{"id":63978,"url":"https://alion.io/job/xtremax-full-stack-engineer-ai-public-sector","title":"Full Stack Engineer - AI (Public Sector)","company":{"id":3414,"name":"Xtremax","domain":"xtremax.com","url":"https://alion.io/company/xtremax-pte-ltd","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"A","score":95,"open_postings":53,"ghost_share":0,"stale_share":0.208,"repost_share":0,"time_to_fill_p50_days":58,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":null,"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":{"min_usd":39000,"max_usd":108000,"period":"year","method":"role_country_seniority_unknown","sample_n":279},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"CI/CD","optional":false},{"name":"Function Calling","optional":false},{"name":"Human-in-the-Loop","optional":false},{"name":"LLM","optional":false},{"name":"LLM Guardrails","optional":false},{"name":"Node JS","optional":false},{"name":"RAG","optional":false},{"name":"React.js","optional":false},{"name":"Structured Outputs","optional":false},{"name":"Tool Use","optional":false},{"name":"TypeScript","optional":false},{"name":"Docker","optional":true},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-08-19T00:00:00Z","employer_posted_date":"2026-08-19","last_verified_at":"2026-10-17T04:36:11Z","board_verified":true,"closed_at":null,"days_open":59,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":59},"description":"We are looking for a hands-on Software Engineer with strong AI engineering capabilities who can build production AI systems and work directly with the teams using them. This role spans full-stack development, LLM applications, evaluation, observability, deployment, and customer-facing technical delivery. Accessibility experience is not required, but you should be willing to develop expertise in digital accessibility and WCAG standards.\nResponsibility\nDesign, develop, and maintain high-quality features and services for government product teams, ensuring accessibility and performance. \nDevelop full-stack features across frontend, backend, APIs, data, and AI systems. \nDesign and build production-grade applied AI-powered applications and developer tools. \nUtilise CI/CD pipelines to ensure seamless, reliable, and high-quality deployments. \nDevelop and maintain technical documentation, including API specs, troubleshooting guides, and system architecture diagrams. \nTranslate customer feedback and production issues into reusable product improvements. \nWork alongside Product Management to provide L1/L2 support to customers we serve. \nWork directly with government teams on discovery, demos, Proof-of-Concepts, architecture discussions, onboarding, integrations, and troubleshooting. \nGain knowledge debugging and remediating WCAG accessibility issues on production websites \nRequirements\nProven experience in designing and building scalable, reliable, and maintainable software systems. \nStrong proficiency in modern software development (e.g., React.js, TypeScript, Node.js) and a deep understanding of browser architecture. \nBuild LLM workflows using RAG, tool calling, structured outputs, agents, and human-in-the-loop patterns. \nBuild evaluation pipelines using golden datasets, regression tests, deterministic evaluators, and LLM-as-a-judge.\nImplement observability, monitoring, guardrails, fallbacks, and validation for reliable AI systems. \nBalance model quality, latency, reliability, maintainability, and cost. \nMaintain automated tests, CI/CD pipelines, and technical documentation. \nHands-on experience with quality engineering practices, including automated testing (unit, integration, E2E) and test automation frameworks. \nSolid grasp of CI/CD, infrastructure concepts, and agile engineering practices. \nStrong troubleshooting and debugging skills, with an ability to analyze complex system behaviors and logs. \nExcellent communication skills to explain technical trade-offs and quality standards to diverse stakeholders. \nNice to Haves\nDocker, Infrastructure as a Code and Bash scripting knowledge \nPassion for building inclusive technology and a willingness to apply or develop expertise in WCAG 2.2 standards and assistive technologies. \nWillingness to learn knowledge of digital accessibility, including digital accessibility regulations & Web Content Accessibility Guidelines (WCAG) 2.2 Level A and AA requirements, learn how to use screen readers such as VoiceOver, NVDA and TalkBack. \nExperience writing code that meets accessibility standards such as the Web Content Accessibility Guidelines (WCAG).\nCandidates with more than 7 years of relevant experience in software engineering may be considered for senior positions.\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. You may also refer to our Privacy Policy for more details here:\nWe 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.","description_format":"text","description_chars":4088,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Government","IT Consulting & Digital Transformation","Managed IT Services (MSP)"],"lifecycle":[{"event":"open","at":"2026-08-19T00:00:00Z"}],"visa":[],"liveness":{"score":37,"band":"fade","label":"Fading","p_open":1,"p_active":0.678,"p_room":0.55,"age_days":59,"expected_fill_days":58,"reasons":["conf:1","velocity","win:tail"],"computed_at":"2026-10-17T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/xtremax-full-stack-engineer-ai-public-sector","json_url":"https://alion.io/job/xtremax-full-stack-engineer-ai-public-sector.json","meta":{"generated_at":"2026-10-17T06:00:53Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":8259,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":3414},"rest":"https://alion.io/mcp/rest/get_company?id=3414"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fxtremax-full-stack-engineer-ai-public-sector"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fxtremax-full-stack-engineer-ai-public-sector"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fxtremax-full-stack-engineer-ai-public-sector"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/xtremax-full-stack-engineer-ai-public-sector\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fxtremax-full-stack-engineer-ai-public-sector"}]}