Total 2,165 Full-time software architect job vacancies

About Airwallex

Airwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 150,000 businesses worldwide – including Brex, Rippling, Navan, Qantas, SHEIN and many more – with fully integrated solutions to manage everything from business accounts, payments, spend management and treasury, to embedded finance at a global scale.

Proudly founded in Melbourne, we have a team of over 1,700 of the brightest and most innovative people in tech across 26 offices around the globe. Valued at US$6.2 billion and backed by world-leading investors including Visa, Airtree, Blackbird, Sequoia, DST Global, Greenoaks, Salesforce Ventures, Lone Pine, and Square Peg, Airwallex is leading the charge in building the global payments and financial platform of the future. If you’re ready to do the most ambitious work of your career, join us.

Airwallex is a rapidly growing fintech unicorn, founded in 2015 and now flourishing at the Series E financing stage.  With a global footprint across Asia-Pacific, Europe, North America, and APAC, we specialize in providing diverse financial payment solutions for B2B merchants, empowering businesses to operate seamlessly anywhere, anytime.

Core Responsibilities

As a Senior Software Engineer, you will be responsible for designing and building the core services that power our platform. You will tackle complex technical challenges, ensuring our systems remain highly available, scalable, and efficient as we continue to grow globally.

• Architecting Scalable Systems: Design and implement robust, high-performance backend services capable of handling high-volume traffic and complex data workflows.

• Optimizing Distributed Infrastructure: Build and maintain reliable internal and external-facing systems, focusing on low latency and high availability.

• Enhancing Data Retrieval: Develop and optimize search and data platforms to ensure fast and accurate information retrieval across distributed datasets.

• Driving Engineering Excellence: Lead technical initiatives, perform deep-dive code reviews, and mentor junior engineers to maintain high standards of code quality and system design.

• Cross-Functional Collaboration: Partner with Product, DevOps, and Security teams to translate business requirements into scalable technical solutions.

What You’ll Do

• Solve High-Scale Challenges: Address intricate, organization-wide problems by leveraging modern technologies in distributed systems, reactive programming, and workflow orchestration.

• Build Mission-Critical Infrastructure: Develop shared libraries and frameworks that eliminate technical bottlenecks and accelerate the pace of innovation across the entire engineering organization.

• Technical Strategy: Conduct evaluations of emerging technologies and guide long-term architectural decisions to ensure global resilience and efficiency.

Minimum Qualifications

• Technical Expert: You have strong proficiency in backend programming languages such as Java, Go, Rust, or Python and their associated ecosystems.

• Distributed Systems Specialist: You have a deep understanding of microservices architecture, including service discovery, load balancing, and inter-service communication.

• Database & Storage Expert: You possess hands-on experience with relational and non-relational databases (e.g., PostgreSQL, Redis, Elasticsearch) and understand data consistency and performance tuning at scale.

• Cloud & Infrastructure Literate: You are comfortable working with cloud providers (AWS, GCP, or Azure) and container orchestration tools.

• API Specialist: You have extensive experience in API design and lifecycle management, with a firm grasp of security protocols (OAuth, JWT, mTLS).

• Clear Communicator: You can articulate complex technical concepts to both technical and non-technical stakeholders in a multicultural environment.

Good to have

• Performance Engineering: Experience with advanced profiling (e.g., flame graphs) and system-level optimization.
• Observability & Reliability: Familiarity with monitoring, tracing, and logging tools (Prometheus, Jaeger, ELK) to maintain system health.
• Open Source Contributor: You actively follow or contribute to the open-source community and enjoy bringing cutting-edge industry trends into your work.
• Familiarity with Kubernetes and Docker.

Job Summary

We are seeking an Application / Software Support Executive to provide operational support for internal systems and business applications. The role involves incident handling, basic troubleshooting, and coordination with internal and external stakeholders to ensure applications operate reliably and efficiently. Training will be provided for entry-level candidates with a relevant educational background.

Key Responsibilities

• Provide Level 1 application support for internal and customer-facing systems
• Receive, log, track, and resolve incidents and service requests through ticketing systems
• Perform basic troubleshooting of application, system, and access-related issues
• Escalate complex or unresolved issues to senior support or development teams
• Support system testing, user acceptance testing (UAT), and deployment activities
• Conduct basic database checks (read-only) and application log reviews
• Prepare and maintain system documentation, SOPs, and user guides
• Coordinate with vendors and internal teams to resolve technical issues
• Adhere to established support processes and service level agreements (SLAs)

Requirements

• Diploma or Bachelor’s Degree in Information Technology, Computer Science, Information Systems, or related discipline
• Entry-level candidates and fresh graduates are welcome to apply
• Basic understanding of web and/or mobile applications
• Basic knowledge of Windows and/or Linux operating systems
• Basic understanding of networking fundamentals (e.g. IP addressing, DNS)
• Basic knowledge of SQL (e.g. simple SELECT queries)
• Ability to communicate clearly in English, both written and verbal
• Willingness to learn, adaptable, and able to work effectively in a team environment

Preferred Skills (Advantageous)

• Internship, project, or practical experience in application support or IT helpdesk
• Familiarity with ticketing systems (e.g. Jira, Freshdesk, ServiceNow)
• Exposure to cloud platforms (e.g. AWS, Azure)
• Basic understanding of IT service management processes (e.g. Incident and Problem Management)

Additional Information

• On-the-job training and guidance will be provided
• Shift work or on-call support may be required based on operational needs
• Appointment and remuneration will be commensurate with qualifications and experience
• Employment is subject to applicable work pass approval (where required)

Responsibilities

• Responsible for the design, programming, debugging, testing, modifications, deployment, operation, and maintenance of the applications.

• Responsible for developing digital products or features to support operations.

• Ensure that the developed modules/deliverables meet expectation, quality standards and target schedule.

• Effectively document issues and provide regular status and progress updates towards project milestones.

• Maintain and update the user guide to reflect system enhancements.

Requirements

• At least 1 year of hands-on working experience with Node.js, ReactJS, TypeScript, Shell Scripting, MySQL, NoSQL, Object-Relational Mapping (ORM) or other similar tech stack

• Bachelor’s Degree, Post Graduate Diploma or Professional Degree in Engineering (Computer/Telecommunication), Computer Science/Information Technology or an equivalent.

• Able to understand and take over existing implementations effectively.

• Able to document project know-how regularly and share with the team (system documentation, incident reporting, etc.).

• Experienced in internet technologies, application servers, and databases.

• Familiar with Git, Design Patterns, and Unit Testing.

• Experience with repositories and CI/CD pipelines such as GitLab, Bamboo and BitBucket

• Experience developing in Mac/Linux environment.

• Experience with AWS (Certification preferred), including foundational services like EC2, S3, and Amazon RDS.

• Strong verbal and written communication skills, able to transmit information in a clear way.

• Problem-solving skills with a high level of initiative.

• A team-player who takes ownership and is highly collaborative.

• Ability to work under pressure and meet tight deadlines.

• A quick learner who can work with minimum supervision.

Good-to-haves

• Experience with Amazon Connect, Cloudwatch, Code Pipeline, Lambda, CloudFront, Amazon SES are a plus.

• Familiarity with a serverless setup is a plus.

• Experience and certifications in cloud infrastructure deployment (Azure or Google Cloud).

• Working experience in Agile and UX development environment is an added advantage.

Job Description:

• Design and develop SDK drivers and Harmony/Android-based solutions in the audio domain, including end-to-end audio dynamic architectures.
• Implement and optimize intelligent voice algorithms, audio 3D codecs, and 3D sound effect algorithms, with a focus on efficiency and performance.
• Conduct audio quality (AQ) effect tuning, support customer integration, and deliver high-quality audio solutions under HiSilicon brand.
• Collaborate with cross-functional teams to drive product development from design to deployment.

Required Skills:

• Bachelor's or Master's degree in Computer Science, Electronic Engineering, or related filed
• Solid programming foundation in C/C++, familiar with Linux or embedded operating system environment programming.
• Strong software development skills, familiar with software design principles, development processes, and project delivery.
• Experience in software solution development for audio systems, codecs, or related areas.
• Basic knowledge of audio and complex software modules

Bonus Points:

• Experience in basic algorithm development such as embedded system drivers and AI protocol stacks
• Working knowledge of DSP algorithm optimizations
• Experience in products such as mobile phones, smart watches, smart screens, set-top boxes, or other embedded devices
• Android/Linux system experience is an added advantage.

Interested candidate please click "APPLY" to begin your job search journey.

We regret to inform that only shortlisted candidates will be notified.

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PERSOL Singapore Pte Ltd

•RCB No. 200007268E • EA License No. 01C4394

•Registration ID: Heah Sian Wei R23117518

ASTEK has been providing IT and Engineering solutions for some of the world’s largest industrial and services groups for more than 35 years with 10,000 passionate experts in 22 countries throughout Europe, APAC, Middle East and the Americas

Currently, we are looking for Senior Software Engineer which would be based in Singapore

Responsibilities:

• Bachelor's degree with minimum 5 years of relevant experience in software development, DevSecOps, and production/platform support.

• Proficient in modern programming languages (C#, TypeScript/JavaScript) with hands-on experience in Test Driven Development (TDD).

• Solid understanding of SOLID principles, design patterns, and data models.

• Hands-on experience with building and integrating REST APIs and webhooks.

• Familiarity with CI/CD pipelines, Git, and infrastructure-as-code principles.

• Experience with identity and access management (SSO, OAuth, SCIM).

• Familiarity with AWS EKS, and Snowflake.

• Proven problem-solving, analytical, communication, leadership, and stakeholder management.

The Backend Engineer is responsible for building and maintaining backend systems that are secure, scalable, and optimized for performance. You will work in a cloud‑native, Agile, and DevOps‑driven environment, collaborating with cross‑functional teams to deliver highly reliable digital services. The role combines system design, API development, engineering best practices, and continuous improvement to support mission‑critical applications.

Key Responsibilities

1. Backend Development & API Engineering

• Design and implement backend services and APIs that support high‑volume and mission‑critical digital products.
• Build cloud‑native components that are scalable, resilient, and optimized for performance.
• Improve existing backend architectures for better observability, reliability, and throughput.

2. Requirements Collaboration &Delivery

• Partner with Business Analysts and Product Managers to refine user stories and translate them into actionable engineering tasks.
• Work with QA engineers to ensure robust automated test coverage; resolve defects proactively.
• Collaborate with DevOps teams to implement automated builds, deployments, monitoring, and release workflows.

3. Engineering Quality & XPPractices

• Apply modern engineering methodologies such as Test‑Driven Development (TDD), pair programming, and continuous refactoring.
• Conduct peer reviews to maintain code quality, enforce backend standards, and detect security gaps early.
• Follow software craftsmanship principles to produce code that is clean, modular, maintainable, and efficient.

4. Architecture, Security &Documentation

• Develop and document system architecture, interface contracts, and backend operation patterns.
• Ensure all components meet government or enterprise security, compliance, and regulatory requirements.
• Apply secure coding techniques and mitigate risks such as injection attacks, insecure deserialization, and authentication vulnerabilities.

5. Optimization & PlatformReliability

• Enhance backend performance using profiling, caching, concurrency improvements, and query optimization.
• Strengthen observability through structured logs, traces, metrics, and alerting frameworks.

6. Emerging Technologies & AdvancedIntegrations

• Contribute to blockchain or smart contract development when relevant.
• Implement serverless workflows or event‑driven patterns as needed.
• Integrate with API gateways, service meshes, and authentication frameworks.

Required Technical Skills

Core Programming & Frameworks

• Competency in backend languages such as Java, Kotlin, Python, Golang, Node.js, or Ruby.
• Strong understanding of RESTful APIs, GraphQL, gRPC, and WebSocket‑based communication.

Cloud, Containers & Infrastructure

• Hands-on experience with cloud platforms including AWS, Azure, or Google Cloud.
• Proficiency with Docker, Kubernetes, and container orchestration.
• Familiarity with Infrastructure-as-Code tools such as Terraform, CloudFormation, or Pulumi.

Distributed Systems & Messaging

• Knowledge of microservices architectures and event-driven patterns.
• Practical experience with messaging systems such as Kafka or RabbitMQ.

Databases & Persistence

• Strong understanding of SQL and NoSQL systems such as PostgreSQL, MySQL, Redis, MongoDB, DynamoDB.
• Ability to tune queries, optimize data models, and manage storage performance.

DevOps & CI/CD Tooling

• Experience working with CI/CD platforms (e.g., GitHub Actions, GitLab CI, ArgoCD).
• Strong Git skills including branching strategies such as GitFlow or trunk-based development.

Testing & Automation

• Proficient with test automation frameworks such as JUnit, PyTest, Jest, Playwright.
• Comfortable implementing automated integration, unit, and contract tests.

Observability & Monitoring

• Familiarity with platforms like Prometheus, Grafana, OpenTelemetry, ELK/EFK stacks to build visibility into backend operations.

Software Engineering Practices

• Experienced working in Agile teams using Scrum or Kanban.
• Deep understanding of Extreme Programming (XP) principles including TDD, pair programming, and incremental refactoring.
• Strong commitment to writing clean, maintainable code in line with software craftsmanship values.

Qualifications

• Degree or Diploma in Computer Science, Information Technology, Computer Engineering, Electronics Engineering, or related technical disciplines.
• Relevant work experience in backend development, cloud-native engineering, distributed systems, or DevOps environments.

Please submit resumes to john@oaktree.com.sg with the following details in MS Word format:

- Position applying for

- Current remuneration

- Expected remuneration

- Notice period

John Goh Meng Chye

EA License No : 06C4642

EA Reg No : R1102621

We regret that only shortlisted candidates will be notified.

Key Responsibilities

• Design, develop, and deliver scalable, well-tested features across the full stack, including responsive portal components using Next.js, Redux, and JavaScript, as well as backend services built with Java, Python, or C++
• Participate actively in Agile ceremonies such as sprint planning, development, code reviews, and continuous improvement initiatives
• Collaborate closely with QA, UI/UX, and DevOps teams to ensure robust technical solutions and intuitive user experiences
• Develop and maintain unit and integration tests to support automated testing and CI/CD pipelines
• Investigate, troubleshoot, and resolve software defects and production issues in a timely manner
• Contribute to code reviews, maintain technical documentation, and adhere to secure coding standards
• (Optional) Support system architecture design and integration with government authentication or data exchange platforms

Requirements

• Minimum 4–6 years of hands-on experience in software development
• Proficiency in at least one backend language: Java, Python, or C++
• Experience building front-end applications using Next.js, Redux, and JavaScript/TypeScript
• Strong understanding of RESTful API design, object-oriented programming, and secure coding practices
• Familiarity with Agile methodologies and tools such as Jira, GitLab, and Confluence
• Strong analytical and problem-solving skills, with the ability to work both independently and collaboratively

Nice to Have

• Experience with cloud platforms such as AWS or Azure
• Exposure to real-time systems or IoT environments

Work Location: One North

(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.

Company Overview

Our client is a leading global technology organization investing heavily in next-generation AI capabilities across large language models, search and recommendation systems, AI agents, and high-performance computing infrastructure. As part of its continued expansion in Singapore, the company is looking to appoint multiple Principal / Staff AI Systems Architects to join its growing team.

Job Description

Reporting to senior technical leadership, you will play a critical role in designing and optimizing end-to-end AI systems across the full stack, from model architecture and inference optimization to distributed systems and large-scale production deployment.

You will focus on building high-efficiency AI computing systems, improving performance, scalability, and cost efficiency of large-scale AI workloads in real-world environments.

Key Responsibilities

1. AI Systems Architecture & Optimization

• Design and optimize large-scale AI systems across model, system, and infrastructure layers
• Improve model inference efficiency through techniques such as quantization, sparsity, KV cache optimization, and distributed parallelism
• Ensure low latency, high throughput, and cost-efficient deployment in production environments

2. High-Efficiency AI Computing

• Develop and optimize large-scale inference systems for LLMs and multimodal models
• Work on GPU acceleration, CUDA optimization, and distributed computing frameworks
• Drive performance improvements across compute, memory, and networking layers

3. Search, Recommendation & RAG Systems

• Build scalable AI-powered search and recommendation platforms
• Develop retrieval-augmented generation systems with strong grounding and hallucination control
• Enable multilingual and cross-regional search experiences
• Support personalization and monetization use cases such as recommendation and advertising

4. AI Agent Systems & Security

• Contribute to AI agent system design and orchestration
• Implement safeguards including prompt injection prevention, access control, and system robustness
• Ensure secure and reliable deployment of AI systems

5. End-to-End System Ownership

• Drive technical initiatives from design to production deployment
• Collaborate with cross-functional teams across global engineering and product organizations
• Deliver measurable impact on large-scale production systems

Requirements

Qualifications & Experience

• Bachelor’s, Master’s, or PhD in Computer Science, Engineering, or related field
• 5–12+ years of experience in AI systems, machine learning infrastructure, or distributed computing
• Strong experience working with large-scale production systems

Technical Skills

• Strong expertise in LLMs or multimodal models
• Hands-on experience in inference optimization or high-efficiency computing
• Solid programming skills in Python and/or C++ (CUDA experience preferred)
• Experience with modern AI frameworks and distributed systems

Preferred Experience

• Experience in search, recommendation systems, or RAG architectures
• Familiarity with AI agent systems and orchestration frameworks
• Exposure to large-scale infrastructure such as GPU clusters or cloud-based AI platforms

Key Competencies

• Strong systems thinking across both low-level optimization and high-level architecture
• Ability to work independently as a senior individual contributor
• Comfortable operating in a fast-paced, global environment
• Strong problem-solving and technical leadership capabilities

Additional Information

• Opportunity to work on cutting-edge AI systems with global impact
• Exposure to large-scale real-world AI applications
• Collaborative and innovation-driven environment

Our client is a Singapore-based homeland security solution provider providing secure, reliable and state-of-the-art solutions. They deliver full turn-key solutions from design, development, integration, testing, commissioning to post-implementation maintenance to help their clients fulfill security and operational objectives.

As a Specialist, Software Engineering, you will play a Team Lead role and work in the Public Safety Security department within the organization.

Job Description: 

• Developing and deploying video, biometrics, imaging products and systems
• Preparing and writing evaluation reports on project performance 
• Keeping abreast with latest technology updates in the industry 
• Ensuring product quality with proper unit-tests and realization within the given product architecture, coding standards and UX/UI guidelines 
• Documentation of the functional design and detail design specifications 
• Designing and developing library
• Leading, mentoring and guiding a team of software engineers

Ideally, you should possess strong technical skills in

• Golang, .NET/.NET Core, React, GitHub, GitLab, Docker and Kubernetes 
• Familiar with Video Analytics, Biometrics and AI Technology 

Work Location: Tampines