Fullstack Engineer/Data Engineer

Job description

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Fullstack Engineer/Data Engineer
role at
User Experience Researchers Pte Ltd (Singapore)
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Join to apply for the
Fullstack Engineer/Data Engineer
role at
User Experience Researchers Pte Ltd (Singapore)
About The Fullstack Engineer/Data Engineer Role
The Full Stack Engineer / Data Engineer will be 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.


Key Responsibilities
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 virtualisation.


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
Optimise 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, authorisation, 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
Requirements
Degree or Diploma in Computer/Computer Science or Electronics Engineering or Information Technology or equivalent
Proficiency in database design and various databases (e.g. SQL, PostgreSQL, AWS S3, Athena, etc)
Familiar with W3C Document Object Model and customised 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
Frontend Technologies
JavaScript and TypeScript
Frontend frameworks such as React.js, Next.js, Vue.js
Experience with wireframing and prototyping tools (Figma)
Backend Technologies
Node.js
RESTful APIs, GraphQL, gRPC, and WebSockets for service communication.


Backend Scalability & API Design
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 containerisation and orchestration (Docker, Kubernetes).


Familiarity with Infrastructure as Code (IaC) tools (Terraform, CloudFormation)
Security Best Practices
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).


Software Quality & Testing
Experience with unit and integration testing (Jest, Cypress, Playwright, Pact).


Backend testing using Postman, Supertest, contract testing.


Preferred Qualifications And Experience
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
Seniority level
Mid‐Senior level
Employment type
Full‐time
Job function
Engineering and Information Technology
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