{"id":3854609,"url":"https://alion.io/job/xtremax-full-stack-engineer-technical-lead-public-sector","title":"Full Stack Engineer - Technical Lead (Public Sector)","company":{"id":3414,"name":"Xtremax","domain":"xtremax.com","url":"https://alion.io/company/xtremax-pte-ltd","size_band":null,"is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"A","score":88,"open_postings":42,"ghost_share":0,"stale_share":0.286,"repost_share":0,"time_to_fill_p50_days":65,"computed_at":"2026-11-07T05:47:08Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"contractor","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Singapore"],"countries":["SG"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon Aurora","optional":false},{"name":"Amazon CloudWatch","optional":false},{"name":"Amazon S3","optional":false},{"name":"API Gateway","optional":false},{"name":"AWS","optional":false},{"name":"AWS Lambda","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"DynamoDB","optional":false},{"name":"Express","optional":false},{"name":"Nest.JS","optional":false},{"name":"Node JS","optional":false},{"name":"OpenSearch","optional":false},{"name":"OWASP Top 10","optional":false},{"name":"PostgreSQL","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-11-06T05:30:39Z","employer_posted_date":"2026-11-06","last_verified_at":"2026-11-07T15:58:22Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"The role will work closely with the in-house Solution Architect, Product Owner, Business Analyst, UI/UX Designer, QA Automation Engineer and Infrastructure Team to design, build and deliver a secure, scalable and maintainable cloud-based digital platform. The Technical Lead will translate the Solution Architect’s target architecture into working application design, guide developers, enforce engineering standards, oversee code quality, support CI/CD, coordinate security readiness and ensure the platform is ready for deployment into AWS-managed environments.\nResponsibilities\nTechnical Leadership: Lead the engineering team in the design, development and delivery of cloud-based digital platform\nArchitecture Implementation: Translate solution architecture into implementable frontend, backend, API, database and deployment designs. \nFull-Stack Development: Design and develop application components using React.js, TypeScript, Node.js and PostgreSQL. \n• API & Integration: Design secure REST APIs and integration patterns to support internal modules and future external integrations. \nDatabase Design: Oversee relational data modelling, schema design, transaction handling, audit logging and reporting-ready data structures. \nCloud Application Readiness: Work with the Infrastructure Team to deploy applications into AWS environments. \nCI/CD & Release: Familiar with configuration and maintain application-level CI/CD pipelines, build processes, deployment scripts and environment-specific configurations. \nSecurity & Code Quality: Act as the team’s Security Champion by embedding secure coding, code review, SAST, dependency scanning, secret scanning and vulnerability remediation into the sprint process. \nVAPT Readiness: Coordinate remediation of security findings from code scanning, DAST and formal VAPT reports. \nRequirements\nFull Stack Development\nDegree or Diploma in Computer Science, Computer or Electronics Engineering, Information Technology, or related disciplines.\nat least 5 years of professional software engineering experience with experience leading small team\nStrong proficiency in both frontend and backend development.\nFrontend\nStrong working knowledge of React.js, TypeScript, \nHTML5 and CSS3\nExperience in responsive web application development. \nBackend and API Development\nStrong experience with Node.js, TypeScript, Express.js, or Nest JS.\n Experience designing and securing REST APIs. \nDatabase\nStrong experience with PostgreSQL, relational database design, SQL optimisation, data integrity and migration scripts. \nExperience with non-relational database such as DynamoDB, and OpenSearch. \nAuthentication, Access Control, and Security\nKnowledge of OAuth2, OIDC, SSO\nintegration, MFA concepts, RBAC, secure token/session handling and audit logging.\nKnowledge of OWASP Top 10, secure coding, SAST, dependency scanning, secret scanning and vulnerability remediation. \nAWS Application Knowledge\nWorking knowledge of AWS application services such as API Gateway, Lambda, RDS/Aurora PostgreSQL, S3, CloudWatch and Secrets Manager. \nDevOps\nExperience with CI/CD pipelines, Docker or container packaging, environment configuration and release deployment. \nBenefits\nBy 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.\nYou 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.\nThe personal data held by us relating to your application will be kept strictly confidential and in accordance with the PDPA. 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