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 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.

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

•Registration ID: Heah Sian Wei R23117518

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.

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.

Primary Purpose

The Senior Software Engineer is responsible to develops software based on design requirements and ensure software and subroutines are working to specification, program codes have conformed to standards and are delivered with quality meeting schedule and requirements.

Responsibilities

Project Delivery

• Analyse process/program specifications & translate specifications to program codes, conforming to program guidelines and programming best practices

• Make changes to configurable items, which include hardware, software, documentation, etc. It covers configuration management planning, configuration identification, configuration controls & audits

• Develop unit test package, execute tests & document test results to ensure the quality of the program

• Assist in the integration testing, system testing, User Acceptance Test ( UAT) & implementation activities to fix the reported problems/bugs of the system to ensure the smooth execution of programs in the production environment

• Investigate all reported problems/errors & initiate amendments & testing so that the system can operate correctly &efficiently

• Prepare & maintain up-to-date system documentation.

• Analyse functional requirements to translate into application design using established design methodologies and guidelines

• Ensure codes comply with NCS security guidelines

Team Work

• Work with team lead to ensure design and programme codes conform to architecture and design standards, and that design satisfies functional and system requirements

• Participate in requirements gathering; work with Business Analysts in reviewing and refining functional specifications

• Participate in peer reviews to improve project quality

Requirements

·      Typically 5-7  years’ experience with substantial project work in software development

·      Experience in Peoplesoft Financial.

·      Diploma or Degree in Computer Science,Information Technology, Management of Information Systems or equivalent

·      Possess initiative and disposition with a strong commitment and orientation towards results and high quality standards

·      Strong problem solving skills and ability to think out of the box

·      Team player with strong communication and interpersonal skills

Role Overview

We are seeking a highly experienced Software Design Lead to drive the development of next-generation network switch software. This role focuses on building and optimizing Network Operating Systems (NOS), particularly SONiC with deep involvement in C/C++ development, embedded Linux, networking protocols, and switch ASIC integration.

Responsibilities

• Lead design and development of NOS (SONiC based) features and modules
• Develop high-performance software in C/C++ for control plane and system components
• Work on embedded Linux systems, including kernel-level and system programming
• Implement and optimize networking protocols (L2/L3) such as BGP, OSPF, VLAN, VXLAN
• Interface with switch ASICs (e.g. Broadcom, Marvell) to program forwarding behavior
• Design and maintain HAL (Hardware Abstraction Layer) for hardware-software integration
• Debug complex system issues across software, network stack, and hardware layers
• Lead and mentor engineers, ensuring high-quality architecture and code standards

Requirements

• Strong experience with NOS (SONiC based)
• Expert-level programming in C/C++ (low-level, high-performance systems)
• Deep knowledge of Linux OS (kernel, networking stack, drivers)
• Solid understanding of networking protocols (L2/L3, routing, switching)
• Hands-on experience with switch ASIC programming and hardware interaction

Preferred Background

• Experience in enterprise networking / data center switching
• Exposure to control plane vs data plane design
• Familiarity with Broadcom SDK or similar ASIC platforms
• Prior experience leading engineering teams

• Examining and solving production problems associated with the Oracle platform.
• Addressing customer-reported technical problems.
• Creating codes to confirm the proper functioning of connections.
• Conducting data transfers and managing third-party connections.
• Designing and developing distributed applications using Oracle platform
• Writing efficient, scalable, and reliable code in programming languages such as C, C++, Java, or COBOL to implement application logic
• Setting up and managing the Oracle environment involves configuring application servers, resource management, and performance optimization.
• Collaborating with cross-functional teams, including business analysts, system administrators, and database administrators, to gather requirements, design application architecture, and ensure seamless integration
• Developing and maintaining documentation for applications, including code comments, technical specifications, and system configurations
• Performing unit testing, debugging, and troubleshooting to ensure the applications meet functional and performance requirements
• Conducting performance tuning and optimization of Oracle applications
• Keeping up to date with the latest Oracle platform updates, technologies, and best practices in distributed application development, RTPM
• Providing technical support and guidance to other team members and stakeholders
• Participating in code reviews and ensuring adherence to coding standards and software development best practices
• Bachelor's degree in Computer Science, Software Engineering, or a related field
• Proven experience in developing distributed applications using Oracle
• Strong proficiency in programming languages such as C, C++, Java, or COBOL
• Familiarity with middleware concepts, distributed computing, and service-oriented architecture (SOA)
• Experience in performance tuning and optimization of Oracle applications
• Knowledge of database systems and SQL
• Excellent problem-solving and debugging skills
• Strong communication and teamwork skills
• Ability to work independently and manage multiple priorities in a dynamic, deadline-driven environment