534 Full Stack Engineer jobs in Singapore

Full Stack Engineer (React.js & Node.js)

Why we need you

As we continue building scalable and secure digital platforms, we need engineers who can turn ideas into reliable, high-performing web applications. We're looking for a Full Stack Engineer who can design, build, and optimize modern cloud-based applications from frontend to backend.

What you'll work on

We're after someone who's equally comfortable writing elegant frontend code and architecting robust backend services — someone who loves solving problems end-to-end and thrives in an agile, DevOps-driven environment. In this role, you'll:

• Build and maintain scalable, responsive, and secure full-stack web applications.
• Design modern frontend architectures with reusable and performant components.
• Develop reliable backend APIs and microservices supporting business logic and scalability.
• Automate deployments, testing, and infrastructure provisioning using CI/CD pipelines.
• Collaborate with DevOps and QA teams to ensure quality, security, and observability.

Your keys to success

You'll thrive in this role if you're passionate about clean code, automation, and continuous improvement. You'll bring:

• Proficiency in JavaScript/TypeScript with frameworks like React, Vue, or Angular.
• Strong backend experience using Node.js, Python, Java, or Golang frameworks.
• Experience deploying applications on AWS, Azure, or Google Cloud environments.
• Hands-on knowledge of CI/CD, Docker, Kubernetes, and Infrastructure as Code tools.
• Familiarity with security best practices, testing frameworks, and performance monitoring.

How to apply

To apply online, please click the 'Apply' button. Send us your updated resume along with a short note on why you'd be a strong fit for this role—let's talk at

PERSOLKELLY Singapore Pte Ltd
• EA License No.01C4394
• EA Registration No. R (Naveen Vasudevan)

By sending us your personal data and curriculum vitae (CV), you are deemed to consent to PERSOLKELLY Singapore Pte Ltd and its affiliates to collect, use and disclose your personal data for the purposes set out in the Privacy Policy available at You acknowledge that you have read, understood, and agree with the Privacy Policy.

***

Activate Interactive Pte Ltd ("Activate") is a leading technology consultancy headquartered in Singapore with a presence in Malaysia and Indonesia. Our clients are empowered with quality, cost-effective, and impactful end-to-end application development, like mobile and web applications, and cloud technology that remove technology roadblocks and increase their business efficiency.

We believe in positively impacting the lives of people around us and the environment we live in through the use of technology. Hence, we are committed to providing a conducive environment for all employees to realise their full potential, who in turn have the opportunity to continuously drive innovation.

We are searching for our next team members to join our growing team.

If you love the idea of being part of a growing company with exciting prospects in mobile and web technologies that create positive impact on people's lives, then we would love to hear from you.

Co-Development Business Unit is looking for Full Stack Engineer

This is a fixed term contract. The engagement is 24 months

The Full Stack Engineer / Data Engineer is responsible for designing, developing, deploying, and maintaining scalable, high-performance, and secure web applications.

The role requires expertise in frontend and backend development, cloud technologies, DevOps automation, and application security. Engineers must work in an agile, DevOps-driven environment, ensuring high software quality, security, and maintainability.

What will you do?

• Be responsible for developing backend APIs & working on databases to support the applications.
• Experience on data transformation, flow and cleaning
• Design, develop and deploy databases and datasets with operational data store, data lake and data virtualization.
• Take full ownership of end-to-end application development, integrating frontend, backend, and cloud infrastructure.
• Design, develop, and maintain responsive, accessible, and performant web applications.
• Implement modern frontend architectures, ensuring reusability, scalability, and security.
• Develop high-performance backend services and APIs, ensuring reliability, security, and observability.
• Work with Quality Assurance (QA) engineers to ensure automated test coverage and proactively fix bugs and defects.
• Optimize full-stack CI/CD deployment strategies, ensuring seamless and automated releases.
• Work with DevOps teams to automate infrastructure provisioning, monitoring, and cloud deployments.
• Ensure full-stack security, including authentication, authorization, API security, and frontend security best practices.
• Continuously evaluate and adopt emerging technologies to improve application performance and developer productivity.
• Manage and resolve day-to-day IT related issues pertaining to application, infrastructure or security, to facilitate smooth running of daily operations
• Troubleshoot and resolve complex technical issues in low-code applications

What are we looking for?

• Tertiary education in Computer/Computer Science or Electronics Engineering or Information Technology or equivalent
• Proficient in database design and various databases (e.g. SQL, PostgreSQL, AWS S3, Athena, etc).
• Familiar with W3C Document Object Model and customized web scraping (e.g. BeautifulSoup, react, CasperJS, PhantomJS, Selenium, Nodejs, etc).
• Comfortable in at least one scripting language (eg. SQL, Python).
• Proficient in building batch jobs (e.g. AWS Database Migration Services (DMS), Python, AWS Lambda, ECS Container task, Eventbridge, AWS Glue).
• Knowledge about system design, data structure and algorithms.
• Relevant working experience as a developer or equivalent in at least 3 Agile/ full
• project development life cycle and a minimum of 5 years' experience in relevant role.
• Strong proficiency in both frontend and backend development
• Strong problem-solving skills and able to prioritise and manage multiple tasks
• Ability to work both independently and as part of a team with professionals at all levels
• Technologies: JavaScript and TypeScript, NodeJS, RESTful APIs, GraphQL, gRPC, and WebSockets for service communication.
• Frontend frameworks such as React.js, Next.js, Vue.js
• Experience with wireframing and prototyping tools (Figma).
• Strong experience in API design principles, including REST, GraphQL, gRPC, and WebSockets.
• Familiarity with backend service scalability strategies (horizontal scaling, autoscaling, load balancing).
• DevOps, Cloud, and Infrastructure:
• Experience with CI/CD pipelines (GitHub Actions, GitLab CI, ArgoCD, Jenkins).
• Cloud solutioning and hand-on experience with AWS Cloud (ECS Fargate containers, API Gateway, RDS PostgreSQL, Networking). Government Commercial Cloud – GCC will be beneficial.
• Experience with containerization and orchestration (Docker, Kubernetes).
• Familiarity with Infrastructure as Code (IaC) tools (Terraform, CloudFormation)
• Strong knowledge of frontend security (CSP, CORS, XSS prevention)
• Able to build Scripts and API Integrations with knowledge of JWT, JWKS, Cognito and Authorisers.
• Familiarity with cloud security (IAM, Secrets Management, OWASP Top 10)
• xperience with unit and integration testing (Jest, Cypress, Playwright, Pact)
• Backend testing using Postman, Supertest, contract testing. Bonus Experience (Added Advantage)
• Relevant experience in and knowledge of microservice architecture
• Experience in working will LLM, e.g. Open AI, Amazon Q, Gemini
• Familiarity with governance, adoption of digital services in enterprise IT environments.
• Work experience and strong troubleshooting skills in resolving application, infrastructure (including desktop, server, network) and security related issues in a (Singapore) government environment

What do we offer?

• Fun working environment
• Employee Wellness Program

Does it sound like something you are interested in exploring further? Please be in touch with our team for an initial chat at

Activate Interactive Singapore is an equal opportunity employer. Employment decisions will be based on merit, qualifications and abilities. Activate Interactive Pte Ltd does not discriminate in employment opportunities or practices on the basis of race, colour, religion, gender, sexuality, national origin, age, disability, marital status or any other characteristics protected by law.

Protecting your privacy and the security of your data are longstanding top priorities for Activate Interactive Pte Ltd.

Your personal data will be processed for the purposes of managing Activate Interactive Pte Ltd's recruitment related activities, which include setting up and conducting interviews and tests for applicants, evaluating and assessing the results, and as is otherwise needed in the recruitment and hiring processes.

Please consult our Privacy Notice () to know more about how we collect, use, and transfer the personal data of our candidates. Here you can find how you can request for access, correction and/or withdrawal of your Personal Data.

About the client:

Leading MNC Company

Responsibilities:

• Responsible for end-to-end application development, integrating frontend, backend, and cloud infrastructure.
• Design, develop, and maintain responsive, accessible, and performant web applications.
• Implement modern frontend architecture, ensuring reusability, scalability, and security.
• Develop high-performance backend services and APIs, ensuring reliability, security, and observability.

Requirement:

• Degree in Computer Science, Computer or Electronics Engineering, Information Technology, or related disciplines.
• Experience with Git and modern branching workflows (GitFlow, trunk-based development).
• Strong proficiency in both frontend and backend development.
  
  JavaScript and TypeScript.
• Frontend frameworks such as React.js, Next.js, Vue.js, Angular, or Svelte.

Interested candidates, who wish to apply for the above position, please send in your resume to

We regret that only shortlisted candidates will be contacted.

EA License No. 01C4394

EA Personnel Reg.No. R (Samsudeen Mohamed Basith)

This is in partnership with Employment and Employability Institute Pte Ltd ("e2i"). e2i is the empowering network for workers and employers seeking employment and employability solutions. e2i serves as a bridge between workers and employers, connecting with workers to offer job security through job-matching, career guidance and skills upgrading services, and partnering employers to address their manpower needs through recruitment, training, and job redesign solutions. e2i is a tripartite initiative of the National Trades Union Congress set up to support nation-wide manpower and skills upgrading initiatives. By applying for this role, you consent to e2i's PDPA.

By sending us your personal data and curriculum vitae (CV), you are deemed to consent to PERSOLKELLY Singapore Pte Ltd and its affiliates to collect, use and disclose your personal data for the purposes set out in the Privacy Policy available at You acknowledge that you have read, understood, and agree with the Privacy Policy

Key Responsibilities

• Work within cross-functional teams to design, develop, and maintain modern web applications that deliver real impact for public users.
• Participate actively in Agile ceremonies (e.g., sprint planning, reviews, retrospectives) and adopt iterative delivery practices.
• Collaborate with UX designers, product managers, and senior engineers to translate business requirements into technical implementations.
• Write clean, maintainable, and well-tested code using React and Node.js, ensuring performance, scalability, and security.
• Implement and integrate with AWS cloud services, containerized environments, and databases.
• Learn and contribute to infrastructure setup using Infrastructure as Code (IaC) tools such as Terraform.
• Participate in code reviews to maintain product quality and learn from more experienced team members.
• Stay curious and explore the use of Gen-AI tools or LLM APIs to enhance product capabilities.

Required Skills & Experience

• 1 to 3 years of professional experience as a Full Stack Engineer or Software Developer.
• Some experience working with or delivering solutions
• Exposure to Agile development environments and UX-focused delivery.
• Practical experience with AWS cloud environments.
• Strong foundation in React and Node.js for frontend and backend development.
• Experience working with databases such as PostgreSQL or DynamoDB.
• Familiarity with AWS services and containerization technologies (e.g., Docker, Kubernetes).
• Exposure to Infrastructure as Code tools such as Terraform.
• Interest or basic familiarity with Gen-AI tools or LLM APIs.
• Degree or Diploma in Computer Science, Information Technology, or related disciplines.
• Solid programming fundamentals, problem-solving skills, and a learning mindset.
• Good communication skills and ability to work effectively in a collaborative team environment.

What you will be working on:

● Design scalable architectures

● Write code that is clean and maintainable

● Perform code reviews

● Write unit tests and integration tests

● Tackle a wide variety of challenges across the technical stack

● Participate in regular tech-sharing sessions and team retrospectives

● You will also collaborate closely with the other members of the cross-functional team:

○ Work with designers to understand customer pain points, come up with solutions, and then continually prototype, test, and iterate

○ Work with DevOps practitioners to manage Continuous Integration / Continuous Deployment (CI / CD) pipelines, to ensure fast feedback loops and seamless deployments

○ Work with Product Owners and Business Analysts to craft user stories by providing technical analysis

○ Work with the Scrum Master to build a positive team culture

What we are looking for:

● Strong understanding of programming fundamentals

● Good analytical and problem-solving skills

● Keen sense of learning & self-discovery

● Team players with good communication skills

● Experience building and deploying full-stack enterprise applications

● Experience with modern web application technology stacks, preferably Django and React

● Experience working with AWS native services

● Experience working within an Agile software development environment

● Experience in automated testing

Job role: Full Stack Engineer

Full Stack Developer with strong experience in AWS cloud services, API development, front-end development, and ETL pipelines. The ideal candidate will be responsible for building and maintaining scalable web applications and data-driven services, integrating cloud-native solutions, and collaborating across teams to deliver robust and efficient systems.

Key Responsibilities:

• Design and develop full stack applications with a focus on cloud-native architecture.
• Build and maintain RESTful APIs and microservices.
• Develop responsive front-end interfaces using modern frameworks (e.g., React, Angular).
• Design and implement ETL pipelines for data ingestion, transformation, and integration.
• Leverage AWS services such as Lambda, API Gateway, S3, Amplify, Glue, and Step Functions.
• Ensure application performance, scalability, and security.
• Collaborate with cross-functional teams including data engineers, DevOps, and product managers.
• Participate in code reviews, integration testing, and deployment processes.

Required Qualifications:

• Bachelor's degree in Computer Science, Engineering, or related field.
• 5+ years of experience in full stack development.
• Strong hands-on experience with AWS cloud services.
• Proficiency in API development using Python or Java.
• Solid front-end development skills (HTML, CSS, JavaScript, React/Angular).
• Experience with ETL tools and frameworks (e.g., AWS Glue, Apache Airflow, Pandas).
• Familiarity with CI/CD pipelines and version control (Git) and Integration testing
• Strong problem-solving and communication skills.

Responsibilities:

• Design and develop full stack applications with a focus on cloud-native architecture.
• Build and maintain RESTful APIs and microservices.
• Develop responsive front-end interfaces using modern frameworks (e.g., React, Angular).
• Design and implement ETL pipelines for data ingestion,transformation, and integration.
• Leverage AWS services such as Lambda, API Gateway, S3, Amplify, Glue, and Step Functions.
• Ensure application performance, scalability, and security.
• Collaborate with cross-functional teams including data engineers,DevOps, and product managers.
• Participate in code reviews, integration testing, and deployment processes.

Requirements:

• 5+ years of experience in full stack development.
• Strong hands-on experience with AWS cloud services.
• Proficiency in API development using Python or Java.
• Solid front-end development skills (HTML, CSS, JavaScript,React/Angular).
• Experience with ETL tools and frameworks (e.g., AWS Glue, Apache Airflow, Pandas).
• Familiarity with CI/CD pipelines and version control (Git) and Integration testing
• Strong problem-solving and communication skills.

At Xtremax, our Full Stack Engineers build end-to-end web applications that deliver real impact. You'll work across both frontend and backend, using modern frameworks, cloud services, and DevOps practices to create scalable, secure, and high-performing solutions. This role is perfect for engineers who enjoy versatility, problem-solving, and seeing their work come to life from idea to production. Candidates with public sector experience are preferred, as this role supports IT projects for government agencies.

Responsibilities:

End-to-End Development

• Take full ownership of end-to-end application development, integrating frontend, backend, cloud infrastructure, and headless CMS platforms (e.g., Directus) for content management and delivery.
• Build responsive, accessible, and high-performance web applications.
• Implement modern frontend architectures that are reusable, scalable, and secure.
• Develop backend services and APIs, ensuring reliability, security, and observability.

Testing, Quality, and Security

• Work with QA engineers to ensure automated test coverage and proactively fix bugs.
• Apply best practices in security, scalability, and maintainability across the full stack.
• Monitor application health using APM tools, logging frameworks, dashboards, and alerts.

DevOps and Cloud

• Optimize CI/CD pipelines to enable seamless and automated deployments.
• Collaborate with DevOps teams to automate infrastructure provisioning and cloud deployments.

Innovation and Continuous Improvement

• Continuously evaluate and adopt emerging technologies to improve application performance and developer productivity.
• Document technical decisions and share knowledge with the team.
• (Optional) Contribute to mobile development and low-code platforms when needed.

Experiences & Skills Needed:

Must Have

• Degree/Diploma in Computer Science, IT, Engineering, or related fields.
• Must have more than 5 years of relevant experience.
• Strong proficiency in frontend and backend development.
• Experience with Git and modern branching workflows (GitFlow, trunk-based).
• Frontend: JavaScript/TypeScript, frameworks like React, Next.js, Vue, Angular, or Svelte;
• Backend: Node.js, Express, NestJS, Ruby on Rails, Python (Django, Flask, FastAPI), Java/Kotlin (Spring Boot), Golang.
• API design: REST, GraphQL, gRPC, WebSockets; caching strategies and performance optimization.
• Experience with headless CMS platforms (e.g., Directus) for content management and delivery.

Good to Have

• Experience with Singapore Government Project will be advantageous.
• Experience with low-code platforms (OutSystems, Mendix, Appian).
• Knowledge of security best practices (OAuth, JWT, OWASP).
• Experience with mobile app development (React Native, Swift, Kotlin).
• Familiarity with UI libraries (Tailwind, Material-UI, Bootstrap) and knowledge of design/prototyping tools (Figma).
• Experience with CI/CD pipelines (GitHub Actions, GitLab CI, ArgoCD, Jenkins)
• Experience with observability and monitoring tools (Prometheus, Grafana, Datadog, New Relic, ELK).
• Understanding of Infrastructure as Code (Terraform, CloudFormation, Pulumi).
• Familiarity with frontend and backend testing frameworks (Jest, Cypress, Playwright, Supertest).
• Exposure to micro-frontends, serverless, or edge computing.

Certificates:

• Certified Scrum Developer (CSD) / Professional Scrum Developer (PSD)
• AWS Certified Developer - Associate / Microsoft Certified: Azure Developer Associate
• ScrumMaster (CSM) / Professional Scrum Master (PSM)

By submitting your resume/CV, you consent and agree to allow the information provided to be used and processed by or on behalf of Xtremax Pte Ltd for purposes related to your registration of interest in current or future employment with us and for the processing of your application for employment.

You also represent to us that you have obtained the consent of your referees when you disclose to us their personal data for the purpose of conducting reference checks.

The personal data held by us relating to your application will be kept strictly confidential and in accordance with the PDPA. You may also refer to our Privacy Policy for more details here:

We regret to inform you that should you not consent to providing the necessary data required for us to process your application, your application will be considered void.

Akkodis, is a global leader in the engineering and R&D market that is leveraging the power of connected data to accelerate innovation and digital transformation. With a shared passion for technology and talent, 50,000 engineers and digital experts deliver deep cross-sector expertise in 30 countries across North America, EMEA and APAC. Akkodis offers broad industry experience, and strong know-how in key technology sectors such as mobility, software & technology services, robotics, testing, simulations, data security, AI & data analytics. Akkodis is part of the Adecco Group. Akkodis is a commercial brand under which both AKKA and Modis entities operate.

The Full Stack Engineer is responsible for designing, developing, deploying, and maintaining scalable, high-performance, and secure web applications. The role requires expertise in frontend and backend development, cloud technologies, DevOps automation, and application security. Engineers must work in an agile, DevOps-driven environment, ensuring high software quality, security, and maintainability.

• Own end-to-end application development across frontend, backend, and cloud infrastructure.
• Build responsive, accessible, and high-performance web applications.
• Implement scalable and secure frontend architectures.
• Develop reliable and secure backend services and APIs.
• Collaborate with QA to ensure automated test coverage and fix defects.
• Optimize CI/CD deployment strategies for seamless releases.
• Automate infrastructure provisioning and cloud deployments with DevOps teams.
• Ensure full-stack security (authentication, authorization, API and frontend security).
• Continuously adopt emerging technologies to enhance performance and productivity.

Degree or Diploma in Computer Science, Computer or Electronics Engineering, Information Technology, or related disciplines.

Core Development Skills:

• Proficiency in frontend and backend development.
• Experience with Git and modern workflows (GitFlow, trunk-based).

Frontend Technologies:

• JavaScript, TypeScript.
• Frameworks: React.js, Next.js, Vue.js, Angular, Svelte.
• Mobile: Swift (iOS), Kotlin (Android), React Native.
• UI Libraries: Material-UI, Tailwind CSS, Bootstrap.
• Design tools: Figma.

Backend Technologies:

• Node.js, Express.js, NestJS.
• Ruby on Rails, Java/Kotlin (Spring Boot), Python (Django, Flask, FastAPI), Golang.
• API protocols: REST, GraphQL, gRPC, WebSockets.

Monitoring & Observability:

• APM tools: Datadog, New Relic, Sentry, Prometheus, OpenTelemetry.
• Logging: ELK Stack, Loki, Fluentd.
• Dashboard and alert setup.

API Design & Scalability:

• API design principles and performance optimization.
• Caching: Redis, Varnish.
• Scalability: horizontal scaling, autoscaling, load balancing.

DevOps & Cloud Infrastructure:

• CI/CD: GitHub Actions, GitLab CI, ArgoCD, Jenkins.
• Cloud: AWS, Azure, Google Cloud, Cloudflare Workers.
• Containerization: Docker, Kubernetes.
• IaC tools: Terraform, CloudFormation, Pulumi.

Security Best Practices:

• Frontend: CSP, CORS, XSS prevention.
• Backend: OAuth, JWT, encryption, API rate limiting.
• Cloud: IAM, Secrets Management, OWASP Top 10.

Testing & Quality Assurance:

• Frontend: Jest, Cypress, Playwright, Pact.
• Backend: Postman, Supertest, contract testing.