{"id":563331,"url":"https://alion.io/job/first-advantage-singapore-sr-full-stack-engineer","title":"Sr Full Stack Engineer","company":{"id":451841,"name":"First Advantage","domain":"fadv.sg","url":"https://alion.io/company/fadv-2","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":86,"open_postings":25,"ghost_share":0,"stale_share":0.52,"repost_share":0.04,"time_to_fill_p50_days":25,"computed_at":"2026-10-28T05:59:10Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Mexico"],"countries":["MX"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":46000,"max_usd":93000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":9},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"JavaScript","optional":false},{"name":"Node JS","optional":false},{"name":"npm","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"Amazon ECS","optional":true},{"name":"Amazon S3","optional":true},{"name":"API Gateway","optional":true},{"name":"AWS","optional":true},{"name":"AWS Lambda","optional":true},{"name":"CloudFormation","optional":true},{"name":"Confluence","optional":true},{"name":"Cypress","optional":true},{"name":"DynamoDB","optional":true},{"name":"Git","optional":true},{"name":"Kanban","optional":true},{"name":"LLM","optional":true},{"name":"Microsoft Teams","optional":true},{"name":"OpenSearch","optional":true},{"name":"Scrum","optional":true}],"status":"live","first_seen_at":"2026-09-08T00:00:00Z","employer_posted_date":"2026-09-08","last_verified_at":"2026-10-28T04:47:25Z","board_verified":true,"closed_at":null,"days_open":50,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":50},"description":"Senior Full Stack Software Engineer\nWe are on the front line of recruitment, enabling organizations to hire smarter and onboard faster. At First Advantage (Nasdaq: FA), people are at the heart of everything we do. From our customers and partners to our greatest advantage - our team members.\nSay hello to a rewarding career and come join a leading provider of mission-critical background screening solutions to some of the most recognized Fortune 100 and Global 500 brands.\nAbout First Advantage\nFirst Advantage (NASDAQ: FA) is a leading provider of global software and data in the HR technology industry. Enabled by proprietary technology and AI, First Advantage’s platforms, data, and APIs power comprehensive employment background screening, identity solutions, and verification services.\nHeadquartered in Atlanta, GA, we have an internationally distributed workforce of about 10,000 employees spanning 17 countries. With a strong emphasis on innovation, automation, and customer success, First Advantage empowers 80,000 organizations to modernize their hiring and onboarding processes on a global scale.\nWhat You'll Do\nAs a successful FullStack Senior Software Engineer, you will help maintaining and enhancing First Advantage’s key end-user-facing platform, owning delivery from design through deployment with a strong focus on modern frontend development. This hands-on role partners with the Product Owner and Lead Architect to ensure adherence to FADV security and quality standards, while building scalable, high-quality solutions across the stack with an emphasis on React, JavaScript/TypeScript, and modern UI practices. The role involves developing and optimizing a high-volume, security-intensive application using automated testing and deployment frameworks, while ensuring an intuitive user experience for hiring managers and candidates. Strong communication skills are essential to collaborate effectively with cross-functional and globally distributed teams.\nResponsibilities:\nDesign and Develop software applications and solutions based on documented business and system requirements.\nWrite, edit, and debug code for assigned projects. Understand how applications operate, are structured, and how customers use them\nProvide assistance to the testing team and support personnel as needed to resolve application issues. Respond promptly and professionally to bug reports.\nAssist and mentor junior developers on technical patterns and coding challenges. \nReview designs and code and provide feedback and guidance.\nTake ownership of the delivery schedule and quality of work. Provide input and estimates about the effort required to build desired functionality.\nDesign applications for stability, scalability, and performance. Design solutions to problematic programming.\nUse Test-driven Development (TDD) techniques to specify a detailed, executable design for your solution\nWhat You Will Need to be Successful:\nEducation requirements: Bachelor’s degree in computer science or equivalent experience\n5+ years of frontend software development experience\nMust have working experience writing and deploying UI Applications using React.JS and Backend Applications in Node.JS\nDesign and develop Micro-frontend and/or Microservices systems with Node.js and NPM\nKnowledge of RESTful API services\nShould have working knowledge on SQL/NoSQL Database\nExperience developing and supporting mission critical applications in a production environment.\nProficient in writing unit tests and experience using mocking frameworks.\nUsage of source control management in a team environment\nExperience in supporting and/or implementing complex integration projects\nExperience in solving technical issues with thorough research and investigation\nRespond to application outages as part of a regular team on-call rotation.\nWork closely with the software architects to create high-level applications\nUnderstand business requirements and create plans accordingly\nPreferred skills & experience:\nHave good knowledge about Security Vulnerabilities of software applications\nHave experience to cooperate LLM usage into software development life cycle\nAWS Cloud technology stacks such as S3, SQS, CloudFront, Cloud Formation, AppSync, API Gateway, DynamoDB, ECS, Lambda and OpenSearch\nUI testing experience using Cypress and TestCafe\nProficiency using Git in a collaborative development environment.\nAbility to work independently and drive projects from inception to delivery in area of expertise.\nComfortable producing at a high level in a work from home and office environment with onshore and offshore teams using collaboration tools such as MS Teams, Zoom, JIRA/ADO and Confluence\nProvide accurate estimates and manage individual priorities, deadlines, and deliveries as part of a team workflow. (Kanban/Scrum)\nWhy Join Us at First Advantage?\nAt First Advantage, team members are united around a noble purpose: helping organizations to safeguard their workplaces and manage risk. The company’s culture is shaped by its core values - Authenticity, Curiosity, Integrity, Teamwork, Customer-Inspired - empowering team members to bring their best ideas forward, collaborate across departments, and make a real impact.\nFirst Advantage offers a variety of culture programs and benefits designed to enhance employee experience and development.\nEmployee Impact Groups\nFA Cares volunteer opportunities\nMentorship Advantage Program\nSOAR, award-winning manager development program\nWhat Are You Waiting For? Apply Today!\nYou have learned a little about us today - we want to learn about you! If you think this position and our company are a great fit for your areas of interest and expertise, tell us about you by applying now!\nWe have great people here and are looking for more. Come join us!\nFollow us:\nFacebook\n\nInstagram\n\nLinkedIn\n\nX\n\nYouTube\n\nEqual Employment Opportunities at First Advantage\nFirst Advantage is an equal opportunity employer. We are committed to providing a workplace and recruitment process that is free from unlawful discrimination, harassment, and retaliation. Employment decisions at First Advantage are based solely on qualifications, merit, and business needs. We do not discriminate in any aspect of employment on the basis of race, color, national origin, ancestry, citizenship, religion, creed, sex, gender identity, gender expression, sexual orientation, marital or family status, pregnancy, age, physical or mental disability, medical condition, genetic information, veteran or military status, or any other characteristic protected by applicable law.","description_format":"text","description_chars":6556,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"Mexico","iso":"MX","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Human Resources"],"lifecycle":[{"event":"open","at":"2026-09-09T07:37:47Z"}],"visa":[],"liveness":{"score":17,"band":"cold","label":"Long shot","p_open":1,"p_active":0.494,"p_room":0.35,"age_days":50,"expected_fill_days":25,"reasons":["conf:1","stale_co","velocity","win:tail"],"computed_at":"2026-10-28T05:59:10Z"},"pay":null,"html_url":"https://alion.io/job/first-advantage-singapore-sr-full-stack-engineer","json_url":"https://alion.io/job/first-advantage-singapore-sr-full-stack-engineer.json","meta":{"generated_at":"2026-10-28T11:07:41Z","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":14420,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-29T00:00:00Z"}},"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":451841},"rest":"https://alion.io/mcp/rest/get_company?id=451841"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ffirst-advantage-singapore-sr-full-stack-engineer"},{"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%2Ffirst-advantage-singapore-sr-full-stack-engineer"},{"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%2Ffirst-advantage-singapore-sr-full-stack-engineer"},{"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/first-advantage-singapore-sr-full-stack-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ffirst-advantage-singapore-sr-full-stack-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":563331}},{"tool":"search_jobs","arguments":{"company":"fadv.sg","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":563331},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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