The Senior Java Developer to manage the software development life cycle, from planning and prioritizing to testing and release.

Senior Java Developer responsibilities include gathering system and user requirements, building Java modules and testing features before release. If you have hands-on experience developing software with agile methodologies and are ready to lead our junior developers, we’d like to meet you.

Ultimately, you will deploy and maintain functional, secure and high-quality applications.

Responsibilities:

• Design, develop, and maintain high-performance, scalable Java applications.

• Collaborate with cross-functional teams to define, design, and ship new features.

• Write clean, maintainable, and efficient code following best practices and industry standards.

• Participate in code reviews to ensure code quality and share knowledge with team members.

• Troubleshoot and debug complex issues in a timely and efficient manner.

• Provide technical leadership and mentorship to junior developers.

• Contribute to the continuous improvement of the development process, tools, and methodologies.

• Stay updated with the latest industry trends and technologies to ensure our solutions remain current and competitive.

• Work closely with product managers, designers, and other stakeholders to understand requirements and deliver high-quality solutions

Requirements:

• Bachelor’s / Master’s degree in Computer Science, Information Technology, or a related field.

• Proven experience as a Senior Java Developer or similar role.

• Strong proficiency in Java and related technologies (Spring, Hibernate, etc.).

• Experience with microservices architecture and RESTful APIs.

• Strong understanding of software development principles, design patterns, and best practices.

• Proficiency in SQL and experience with relational databases (MySQL, PostgreSQL, etc.).

• Familiarity with version control systems such as Git.

• Experience with continuous integration and continuous deployment (CI/CD) pipelines.

• Experience designing, building and testing Java EE applications

• Strong proficiency in programming languages such as Java, Spring Boot. Micro services

• Familiarity with containerization technologies like Docker and orchestration tools like Kubernetes.

• Excellent problem-solving skills and attention to detail.

• Strong communication and collaboration skills.

• Ability to work independently and as part of a team in a fast-paced environment.

Soft Skills:

• Effective listening, communication and presentation skills

• Strong ability to analyze and solve problems and/or suggest solutions

• Strong appetite for non-stop learning

• Dynamic, proactive, sense of initiative

• Interpersonal skills to work with various cross functional teams

• Ability to work independently and/or prioritize tasks in fast paced environment

JOB DESCRIPTION

· Embedded system software development

· IoT related protocol and software development

· Peripheral device driver and Wi-Fi related software development

· Customer issues support

JOB REQUIREMENTS

· Bachelor’s degree or above in Computer Engineering, Electronics or Networking engineering

· Familiar with C/C++

· Familiar with embedded system and experience in driver-related development is an advantage

· Peripheral and Wi-Fi-related experience is an advantage

· Good communication and team working skills

This will be a 2-years direct contract position.

Responsibilities

• Lead, develop and own architecture blueprints.
• Analyze design options and document trade-offs.
• Decide on technology choices, integration patterns, and platform strategies.
• Collaborate with product managers, engineers, UX designers, and agency stakeholders to ensure architectures are feasible, aligned, and deliverable.
• Architecture and design reviews, enforce standards, and ensure solutions comply with security, data, and policies.
• Coach, guide, and mentor engineers on architectural best practices.
• Cultivate a culture of quality and sound design thinking.
• Identify architectural risks, integration complexities, and legacy constraints.
• Propose mitigation strategies and pragmatic solutions.
• Develop and maintain up-to-date architecture artefacts (reference architectures, decision records, integration maps).
• Produce multi-year technical roadmap, set organisation-wide architectural standards, and be the representative in technology forums.
• Stay abreast with emerging technologies, cloud-native patterns, and industry best practices.

Requirements

• At least a Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.
• Minimum 6 years of experience in software engineering or IT, with at least 3 years in a technical lead or principal engineer role.
• Track record of owning end-to-end architecture for production systems at scale.
• Stakeholder relationships management.

Experience in:

• Leading architecture across multiple teams or platforms
• Cloud architecture
• Designing secure systems — encompassing identity and access management, authentication flows, data protection, and compliance with security standards.
• Reading and reviewing code across relevant technology stacks (e.g., Node.js, React, Python) to ensure architectural intent is faithfully implemented.
• Producing high-quality architecture documentation — C4 diagrams, sequence diagrams, data flow diagrams, and architecture decision records (ADRs).
• Facilitate architecture workshops, design reviews, and technical spike sessions.

Understanding of:

• Microservices, event-driven architecture, API design (REST, GraphQL), and system integration patterns.
• Containerisation and orchestration technologies (Docker, Kubernetes).
• DevSecOps practices, CI/CD pipelines, and infrastructure-as-code.
• data architecture, including relational databases (MySQL, PostgreSQL) and data integration approaches.
• scalability, reliability, observability, performance, and maintainability.

Skills and Experience Advantages:

• AWS services (ECS/Fargate, Lambda, S3, RDS, API Gateway).
• Whole-of-government ICT systems and platforms (e.g., Singpass, MyInfo, NDI, GovTech shared services).
• IM8 policies and government ICT security standards.
• Disaster recovery planning and business continuity architecture.
• Sitecore CMS for content management and digital experience platform delivery.
• Imperva for web application security, DDoS protection, and data security.
• Decompose ambiguous business problems into structured, actionable architectural solutions.
• Balance ideal design against delivery constraints, technical debt, and operational risk.
• Certifications (e.g., AWS Solutions Architect Professional, TOGAF, GCP Professional Architect).

Ethos Search Associates Pte. Ltd.

EA License No: 13C6655

EA Reg No: R1988580 Jacky Chong

This will be a 2-years direct contract position.

Responsibilities

• End-to-end ownership of broad project scopes.
• Design and deliver features that span multiple components or services, giving attention to modularity, scalability, and resiliency.
• Support reusable test automation frameworks and adopt better observability, CI/CD, and automation practices.
• Build deep knowledge of product architecture, dependencies, and data flows.
• Author design documents with minimal guidance.
• Conduct architecture reviews for junior engineers' work, offering constructive and actionable feedback.
• Lead triage and debugging, contribute root cause analyses, and drive concrete preventive actions through post-incident reviews.
• Ensure security, compliance, and performance.
• Write clear, unambiguous technical specifications that serve as effective context for both AI tools and junior engineers.
• Identify AI-generated code that introduces technical debt or security risks.
• Establish team-level norms for reviewing AI-generated output.
• Translate goals into actionable plans, breaking down and prioritising work and contributing to project strategy.
• Identify opportunities, drive workstreams, and synthesise data into clear recommendations.
• Anticipate project risks and put mitigations in place.
• Coordinate cross-functional collaboration and help ensure projects are delivered effectively across team boundaries.
• Navigate disagreements, facilitating alignment among team members and stakeholders.
• Support team coordination by communicating project goals and priorities clearly
• Mentor junior team members — sharing knowledge, breaking down problems, and providing constructive feedback that raises overall team productivity.
• Help team members understand how their individual work connects to broader objectives.
• Conduct regular check-ins with one or two direct or indirect reports, focusing on work progress and basic feedback delivery, and help team members work through day-to-day blockers with technical mentoring.
• Participate in recruitment activities where applicable.

Requirements

• Experience in building software.
• Able to write code to solve abstract programming problems
• Able to troubleshoot and debug.
• Able to review and discuss about codes.

Ethos Search Associates Pte. Ltd.

EA License No: 13C6655

EA Reg No: R1988580 Jacky Chong

This will be a 2-years direct contract position.

Responsibilities

• Define engineering vision, strategy, and directions.
• Produce long-term technical plan and roadmap and updating it regularly to meet future product/business needs and infrastructure requirements.
• Engage with engineers in conversations about their performance, professional growth, offering constructive feedback, mentoring, and guidance.
• Partner with stakeholders and agencies to prioritize and manage roadmaps for delivering product vision incrementally and efficiently.
• Collaborate with cross-functional partners to develop quality, reliability, and security strategies.
• Identify and initiate engineering initiatives.
• Introduce practices and tools to encourage a strong engineering culture and maximize engineering effectiveness and impact.
• Tracking engineering capabilities backed by facts ("show me the code").
• Defining and maturing key pillars such as Infrastructure-as-Code (creation, patching, remediation), CI/CD (build, test, deploy), and compliance posture (audits, VAPT, risk management).
• Leverage leading and lagging metrics such as lead time and deployment frequency to create accountability and drive measurable improvement.
• Support recruitment, particularly for more senior hires.

Responsibilities

Experience in

• Large, high-availability software systems that have operated at scale.
• Modern full-stack web application technologies; experience in modern front-end engineering like Next.js/React.js and Java/TypeScript on the backend.
• Coaching developers (minimum 2 years).
• Operating in an environment where engineering maturity is being built, not inherited

Ethos Search Associates Pte. Ltd.

EA License No: 13C6655

EA Reg No: R1988580 Jacky Chong

About the Role

We love engineers who love solving new problems every single day.

• Data Egress - How does one transport 100s of TBs of data around the world without breaking the piggybank? (https://www.databricks.com/blog/announcing-public-preview-delta-sharing-cloudflare-r2-integration)
• Handle high traffic - How can we support the biggest applications in this industry and allow handle 100,000 QPS at peak traffic and not go down? (https://www.allium.so/post/the-inside-story-of-the-jup-airdrop-at-phantom)
• Botnets - This industry is in its early days, how does one catch botnets based on their behavioral patterns? (https://www.allium.so/post/initial-report-for-the-10-6k-botnet)
• Fraud (Sybil) Detection - Is it possible to transfer the same fraud detection heuristics into this blockchain world? (https://www.allium.so/post/from-eligibility-to-sybil-detection-a-deep-dive-into-wormholes-multichain-airdrop)
• Who is real? - What constitutes meaningful and organic transactions on the blockchain? (https://www.allium.so/post/visa-x-allium-making-sense-of-stablecoins)
• Bring Your Own Transformation - How do we let our customers design their own APIs and transform their own realtime data streams? (https://docs.allium.so/allium-app/explorer-api/quickstart)
• Data Governance - We pride ourselves on our data quality - How can we ensure our data is consistent across every copy and every region 24/7?
• AI and LLMs - How does one design the LLM and AI experience on top of our data to lower the barrier of entry to crypto data? (https://docs.allium.so/allium-app/allium-explorer/allium-ai-assistant)
• Data Transformation Holy grail: How can one unify streaming and batch transformation logic into a single code base?

Please also send your application to https://jobs.ashbyhq.com/allium

Key Responsibilities

• Gather, analyze, and document business and system requirements.
• Design, develop, test, implement, and maintain software applications and system enhancements.
• Prepare and maintain project deliverables throughout the SDLC, including:Business Rules DocumentationSoftware Requirement Specifications (SRS)Software Architecture DocumentsDesign SpecificationsInterface SpecificationsSource Code DocumentationTest Plans and Test SpecificationsOperation & Maintenance ManualsTraining ManualsOther technical documentation as required by project standards.
• Design and deliver software solutions for high-volume and performance-intensive back-office systems, particularly within Automatic Fare Collection (AFC) environments.
• Collaborate with users, business stakeholders, and project teams on requirements gathering, solution design, testing, and implementation activities.
• Troubleshoot, diagnose, and resolve application and system issues.
• Provide day-to-day application support and maintenance to ensure system reliability and availability.
• Participate in software performance optimization, database tuning, and system enhancement initiatives.
• Work closely with cross-functional development teams to ensure successful project delivery.
• Ensure compliance with software development standards, security requirements, and industry best practices.
• Support system integration, deployment, user acceptance testing (UAT), and post-implementation activities.

Qualifications & Requirements

• Bachelor's Degree in Computer Science, Information Technology, Software Engineering, Computer Engineering, or a related discipline.
• Minimum 5 years of relevant experience in software development and system engineering.
• Strong experience in software design, development, and maintenance using modern programming languages and frameworks.
• Experience in database design, development, optimization, and performance tuning.
• Good understanding of Software Development Life Cycle (SDLC) methodologies and best practices.
• Experience with system integration, API development, and enterprise application architecture.
• Experience in Automatic Fare Collection (AFC) systems will be an added advantage.
• Knowledge of EMV payment standards and Payment Card Industry Data Security Standard (PCI DSS) will be an added advantage.
• Familiarity with version control systems, testing methodologies, and deployment processes.
• Strong analytical, troubleshooting, and problem-solving skills.
• Excellent written and verbal communication skills in English.
• Ability to work independently and collaboratively in a fast-paced environment.

Role Overview

We are looking for an experienced Senior Software Engineer (Web) to build and enhance robust web systems that support Weather Information Dissemination. This role involves working on complex enterprise systems, improving engineering practices such as CI/CD and SRE, and partnering closely with technical teams and stakeholders to deliver scalable, resilient, and high-impact digital solutions.

Job Responsibilities

• Partner with software engineers and cross-functional teams to understand development delivery and system resiliency objectives.
• Assess existing technical landscapes, workflows, and processes to identify inefficiencies, pain points, and improvement areas.
• Recommend suitable engineering practices such as CI/CD and Site Reliability Engineering (SRE) to improve system performance and delivery efficiency.
• Develop transition roadmaps from current-state systems to future-state solutions, including recommended tools, processes, and best practices.
• Explain complex technical concepts clearly to stakeholders and provide actionable recommendations.
• Prepare supporting diagrams and documentation where required.
• Support proof-of-concept initiatives to validate solutions and assist during early implementation stages.
• Collaborate with fellow Software Engineers to share insights, tools, scripts, and best practices.
• Support continuous improvement and knowledge sharing across engineering teams.

Job Requirements

• At least 6 years of experience in an individual contributor software engineering role.
• Hands-on experience with React and TypeScript.
• Experience with Node.js will be an advantage.
• Experience with cloud service providers such as AWS, Azure, or Google Cloud Platform will be an advantage.
• Strong track record in large-scale partner solution implementation, preferably in complex enterprise environments.
• Strong communication skills with the ability to bridge technical discussions between internal teams and external partners.
• Experience working in highly secured or air-gapped environments such as government, banking, or similar systems will be an advantage.

Responsibilities:

• Lead the full sales cycle for digital and IT services, from generating leads to closing deals.
• Actively engage in public and private RFPs, tenders, and government procurement platforms (such as GeBIZ).
• Prepare customized proposals, quotations, technical documents, and presentation materials.
• Act as the technical advisor throughout the sales process, translating client needs into effective and scalable solutions.
• Showcase product features through demonstrations, prototypes, and walkthroughs.
• Collaborate with project teams to accurately scope solutions and align expectations with deliverables.
• Ensure client satisfaction by managing upselling, renewals, and handling escalations professionally.
• Monitor and manage sales pipelines, providing regular updates on key metrics and achievements.
• Build and maintain strong client relationships based on trust, transparency, and reliable delivery.
• Evaluate and communicate the technical feasibility and architecture of proposed solutions, such as CMS platforms, custom applications, and experiential technologies.
• Act as a bridge between sales and development teams to ensure solutions are technically viable and properly scoped.
• Coordinate with vendors and internal technical teams to gather requirements, define system specifications, and ensure seamless integration.

Qualifications:

• Degree or diploma in Information Technology, Computer Science, Digital Media, or related disciplines.
• 1 to 3 years of combined experience in IT sales and/or pre-sales/solution consulting.
• Proven experience managing IT tenders and digital transformation projects, particularly within Singapore.
• Skilled at translating technical concepts into clear business value for non-technical audiences.
• Detail-oriented with a professional attitude and strong commitment to client success.

We regret only shortlisted candidates will be contacted. All applications will be handled confidentially. By submitting your application, you agree to the collection, use, retention, and disclosure of your personal information to prospective employers.

Wecruit Pte Ltd

EA License No: 20C0270

EA Personnel: Nyon Hock Sen (Aden)

EA Personnel Reg No: R24124070

This will be a 2-years direct contract position.

Responsibilities

• Design, development, and implementation of complex, scalable, and secure software applications across the full software development lifecycle.
• Produce clean, maintainable, and efficient code in various programming languages (e.g., Python, Java, Go, JavaScript, C#).
• Perform code reviews and provide constructive feedback.
• Mentor junior engineers to foster a culture of technical excellence.
• Troubleshoot and debug production issues
• Ensure high availability and performance of critical systems.
• Support technical documentation, architectural diagrams, and best practices.
• Work with product managers, UX designers, and other engineers to define requirements, architect solutions, and deliver high-quality products.
• Stay abreast of emerging technologies and industry trends.
• Practitioner of agile development processes, including stand-ups, sprint planning, and retrospectives.

Requirements

• Bachelor's degree in Computer Science, Software Engineering, or a related technical field.
• At least 5 years of progressive experience in software development.
• Strong in at least two modern programming languages (e.g., Python, Java, Go, JavaScript, C#) and their relevant frameworks.
• Experience in web development with Node.js background, preferably with Next.js and AI-assisted development
• Working knowledge of software design principles, data structures, algorithms, and distributed systems.
• Experience with government or public sector projects advantageous.

Ethos Search Associates Pte. Ltd.

EA License No: 13C6655

EA Reg No: R1988580 Jacky Chong

JOB DESCRIPTION

· Design and program automated test scenarios according to test plan with its acceptance criteria

· Manage and maintain end to end automated test framework such as prepare test environment, test data, update functional testing scripts in accordance with changing requirements

· Work with QC project leader to identify, propose, prioritize and implement test automations.

· Work with test engineers to troubleshoot observed issue, determine root cause and identify solutions

· Contribute towards continuous improvement of testing practices/tools to improve test strategy and efficiency

· Help to ensure every release happens in a timely manner with a high level of quality.

JOB REQUIREMENTS

•Bachelor’s/ master’s degree in computer science, Software Engineering or other equivalent degrees/experience.

•Strong python scripting skill and C++ programming background.

•Good written and verbal communication skills in Mandarin would be advantage to assist and communicate with Mandarin speaking associates/clients.

•Able to work well both independently as well as in a team.

About the job

Reporting to the Head of Digital Transformation & Data (DT&D), the successful candidate will be responsible for the following:

Use case identification and prioritisation

• Identifying and prioritising digital transformation use cases that deliver clear business value.
• Engaging with business users across the Company and the IT team to identify challenges and improvement opportunities, and translating them into clear problem statements and outcome-based initiatives.
• Supporting prioritisation of initiatives based on value, solution complexity, technology readiness, and strategic alignment.

Solution design and architecture alignment

• Ensuring proposed solutions align with the Company’s enterprise architecture, application landscape, and data strategy.
• Leading early solution design discussions to agree on the most appropriate technology, solution approach, and implementation plan.
• Providing solutions and architecture oversight across digital initiatives.

Vendor selection

• Leading vendor evaluations and providing input into vendor selection decisions.
• Ensuring vendor scope of work, proposed cost, and contract terms are consistent with Company standards and the agreed solution design.
• Facilitating and obtaining necessary internal management approvals for projects.

Project enablement and oversight

• Enabling project managers to focus on delivery by providing a strong pre‑project definition and solution readiness.
• Providing ongoing guidance during delivery on scope interpretation and solution consistency.
• Identifying and escalating risks relating to scope creep, architectural misalignment, or delivery feasibility.
• Promoting structured, transparent, and repeatable delivery best practices across initiatives.

Cross-functional collaboration

• Supporting cross‑functional discussions and problem-solving for initiatives that cut across departments.
• Managing communication consistency across digital initiatives.

Requirements:

• Bachelor’s degree in Information Systems, Computer Science, or related field. A master’s degree is an added advantage.
• Minimum ten years of experience in enterprise technology, with a track record of leading in-house transformation initiatives covering solution design, enterprise architecture, and delivery.
• Preferred certifications include TOGAF (or equivalent Enterprise Architecture) and project delivery certifications like PMP or PRINCE2.
• Strong experience operating at the interface of business, IT, and vendors.
• Proven experience shaping initiatives in early phases of the project (use cases, solution options, business cases).
• Experience supporting vendor selections, vendor evaluations, and contract scope definition.
• Experience working with enterprise systems (ERP, business applications, data platforms, and integration tools).
• Good understanding of enterprise architecture and solution design principles.
• Strong understanding of project governance frameworks and delivery methodologies.
• Effective stakeholder management and communication skills.
• Ability to operate independently, with sound judgement and pragmatic decision‑making.
• Demonstrate the Company’s core values of Integrity, Teamwork, Accountability, Agility, and Ambition.

Youwill be working with a team of dedicated & committed engineers for thedevelopment of healthcare application platform and solutions for thetransformation of Singapore Healthcare IT landscape. Our mantra is to “workhard and have fun”, to deliver the next generation healthcare digitalexperience across whole of Singapore

Role& Responsibilities

• Translate business requirements into detail module or component level design
• Participate in solution design in hybrid cloud environment
• Hands-on coding on the assigned modules or components
• Work closely with DevOps engineer for Release management

Requirements

• Bachelor's Degree, Post Graduate Diploma, Professional Degree in Computer Science, Information Technology.
• 6+ years of relevant work experience in software product development.
• Hands-on development experience for Backend application (C# .Net core)
• Knowledge and experience in frontend development (e.g. Reactjs) will be advantageous
• Design and implementation of  REST API and backend business logic, and ensure the API is compliant to healthcare industry standards HL7 FHIR
• Knowledge and experience in application design patterns
• Knowledge and experience in Azure DevOps or equivalent CI/CD
• Experience developing applications using native cloud service offer by AWS or Azure will be advantageous
• Experience with Containers and Orchestration such as Kubernetes/OpenShift will be advantageous
• Experience in Microservice architecture design and implementation will be advantageous

Weare looking for potential CRM Dynamics specialists who will be working with ateam of dedicated & committed engineers for the development of healthcareapplication platform and solutions for the transformation of SingaporeHealthcare IT landscape. Our mantra is to “work hard and have fun”, to deliverthe next generation healthcare digital experience across whole of Singapore

Role& Responsibilities

• Responsible to do development for MS CRM Dynamics 365 for both On Cloud and On Premises deployments.
• Responsible for the development on Power Platform especially power apps. 
• Responsible for making solution recommendations with pros and cons considering the MS CRM Dynamics and Power Platform.
• Responsible to integrate with other system using KingswaySoft and Web API. 
• Responsible for packaging for deployment team over various Dynamics environments using CI / CD of Azure Cloud. 
• Perform application/technical design documentation.
• Provide on-going application support and be involved in various stages of the SDLC
• Plan and coordinate end-user training for any system implementations or enhancements.
• Work effectively in a tight deadline, high pressure environment.

Requirements

• At least 8-10 year’s working experience in programming using Microsoft and web technologies.
• Detailed knowledge of MS CRM Dynamics and Power Platform having developed at least 2 or 3 Applications using Dynamics best practices and design standards.
• Implementation ofMS CRM Dynamics  
• Develop .Net (C#) Plugins.
• Develop .Net assemblies for Custom Workflow.
• Develop client-side Jscript (JQuery) for entity form events.
• Develop using MS CRM SDK to implement customization.
• Configuration of multi-disciplinary user roles
• Deployment of configurations and customization including solution package for entities (Forms, Views, Charts and Dashboards), Plugins and custom workflows.
• Data Migration 
• Experience in Object Oriented Programming, .Net Web Applications, Web Technology (IIS), .Net framework 4.6.2 and above, C#, SQL and Stored procedure in MS SQL Server 2016 and  Above
• Experience in application integration and / or web services integration required.
• Having a knowledge of various version controls repositories.            
• Bachelor’s degree in software engineering, Computer Science or Management Information Systems

Key Responsibilities

• Develop and maintain scalable web applications and backend services using Java and JavaScript-based technologies.
• Build RESTful APIs and microservices using Spring Boot and Node.js.
• Design responsive user interfaces using React.js and TypeScript.
• Work with SQL and NoSQL databases such as PostgreSQL, MongoDB, and ElasticSearch.
• Collaborate in an Agile development environment with cross-functional teams including DevOps, QA, and Product.
• Implement CI/CD pipelines and participate in DevOps practices using Docker and related tools.
• Ensure software quality through unit testing, code reviews, and automated testing.
• Troubleshoot issues and optimize application performance.

Requirements

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• Strong proficiency in Java and JavaScript, with experience in Spring Boot, Node.js, and React.js.
• Proficient in TypeScript, MongoDB, and SQL/NoSQL databases.
• Familiarity with Docker, ElasticSearch, and DevOps concepts.
• Experience working in an Agile/Scrum environment.
• Good understanding of system design, APIs, and microservices architecture.
• Strong analytical and problem-solving skills.

Preferred Qualifications

• Experience with cloud platforms (e.g., AWS, Azure, GCP).
• Familiarity with CI/CD tools and infrastructure as code.
• Knowledge of security best practices and performance tuning.

Location: Central

(EA Reg No: 20C0312)

Please email a copy of your detailed resume to qianyu@talentsis.com.sg for immediate processing.

Only shortlisted candidates will be notified.