{"id":160179,"url":"https://alion.io/job/faktion-senior-full-stack-engineer","title":"Senior Full-Stack Engineer","company":{"id":54451,"name":"Faktion","domain":"faktion.com","url":"https://alion.io/company/faktion","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Recruitee","truth_index":{"grade":"D","score":52,"open_postings":15,"ghost_share":0.8,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-16T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Antwerp, Belgium"],"countries":["BE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":56000,"max_usd":165000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":6933},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Machine Learning","optional":false},{"name":"Node JS","optional":false},{"name":"TypeScript","optional":false},{"name":"Apollo","optional":true},{"name":"Apollo Client","optional":true},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"Azure AKS","optional":true},{"name":"Azure Cosmos DB","optional":true},{"name":"Azure DevOps","optional":true},{"name":"Azure SQL Database","optional":true},{"name":"CI/CD","optional":true},{"name":"Cypress","optional":true},{"name":"Docker","optional":true},{"name":"GitHub Actions","optional":true},{"name":"GraphQL","optional":true},{"name":"JavaScript","optional":true},{"name":"Jest","optional":true},{"name":"Kubernetes","optional":true},{"name":"MySQL","optional":true},{"name":"Nest.JS","optional":true},{"name":"PostgreSQL","optional":true},{"name":"Radix UI","optional":true},{"name":"React Native","optional":true},{"name":"React Query","optional":true},{"name":"React.js","optional":true},{"name":"Rest API","optional":true},{"name":"shadcn/ui","optional":true},{"name":"Tailwind CSS","optional":true},{"name":"Turborepo","optional":true}],"status":"live","first_seen_at":"2025-05-09T14:17:00Z","employer_posted_date":"2025-05-09","last_verified_at":"2026-10-16T09:16:30Z","board_verified":true,"closed_at":null,"days_open":524,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":524},"description":"Join Faktion, a leader in designing and developing enterprise-level AI solutions across various sectors. We are at the forefront of machine learning and artificial intelligence, creating innovative solutions that drive the future.\nWe are looking for a Senior Full Stack Engineer to join our dynamic team, provide technical leadership, and contribute to our ground-breaking projects and products. As we are building enterprise-grade production-deployed applications, we are looking for an experienced leader who can guide the development of robust, secure, and scalable applications while mentoring team members.\nKey responsibilities:\nLead the design, development, and deployment of high-quality software architecture and complex, scalable full-stack applications.\n\nCollaborate closely with AI and ML engineers, Product Managers, and Business Stakeholders to translate complex requirements into efficient, high-quality software solutions.\n\nDefine and drive the technical roadmap; identify, prioritize, and delegate tasks within the software development life cycle, ensuring timely and high-quality delivery.\n\nOversee and actively contribute to the development and maintenance of robust, scalable, and high-performance web applications using TypeScript, React, and Node.js, ensuring adherence to best practices and coding standards.\n\nMentor, coach, and lead a team of full-stack developers, fostering a culture of technical excellence, collaboration, and continuous improvement.\n\nChampion and implement automation for development, testing, and deployment processes using appropriate tools and scripting.\n\nLead code reviews, provide constructive feedback, and ensure code quality, maintainability, and scalability.\n\nEstablish and oversee comprehensive validation and verification testing strategies to ensure product quality.\n\nEnsure comprehensive documentation of architectural decisions, development phases, and system designs; lead efforts in system monitoring, performance optimization, and incident resolution.\n\nLead and guide the team through the entire software development lifecycle, from concept and architectural design through to deployment, maintenance, and scaling.\n\nDrive technical innovation, evaluate and recommend new technologies, and promote best practices within the engineering team.\n\nRequirements\nExcellent written and verbal communication skills in native Dutch and English (French is a plus).\n\nBSc/BA in Computer Science, Engineering, or a related field (MSc is a plus).\n\nProven experience of minimum 5 years in full-stack software development, with at least 3 years in a senior engineering or technical leadership role, demonstrating successful project delivery and team leadership.\n\nExtensive hands-on expertise in software development with TypeScript, React, and Node.js.\n\nStrong experience designing, building, and maintaining GraphQL APIs (e.g., Apollo, TypeGraphQL) and integrating with front-end frameworks (e.g., react-query, Apollo Client).\n\nExperience with NestJS for building both GraphQL and REST APIs, leveraging its modular architecture, built-in decorators, and robust support for scalable backend applications.\n\nProficiency in modern CSS and Tailwind and experience working with component libraries such as ShadCN, with a strong focus on building responsive, accessible, and high-performance user interfaces.\n\nDeep understanding and practical experience with relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB), including data modeling, performance optimization, and schema design.\n\nProven experience architecting, developing, and managing large-scale applications, preferably utilizing monorepos (e.g., NxDev, TurboRepo).\n\nExperience with various testing frameworks (e.g., Jest, Cypress) and establishing comprehensive testing strategies (unit, integration, end-to-end).\n\nStrong experience in designing, deploying, and managing applications on Microsoft Azure cloud environment or AWS (e.g., App Service, Azure Functions, AKS, Cosmos DB, Azure SQL).\n\nExceptional analytical mind with strong problem-solving aptitude and the ability to tackle complex technical challenges and make sound architectural decisions.\n\nExperience in designing and implementing robust CI/CD pipelines (e.g., Azure DevOps, GitHub Actions).\n\nExperience with containerization and orchestration technologies (e.g., Docker, Kubernetes).\n\nDemonstrated ability to lead and mentor a development team, fostering a collaborative and productive environment.\n\nExcellent organizational, leadership, and interpersonal skills.\n\nExperience in solution architecture and driving technical direction for software projects.\n\nFollowing experiences are a plus:\nDemonstrated leadership skills, including team management and technical mentorship.\n\nPrior experience in software startups and corporate environments, providing balanced strategic insights.\n\nHands-on experience with AI technologies, including integrating AI models into applications or working with AI-driven product features.\n\nFamiliarity with data processing, MLOps, and machine learning concepts and workflows.\n\nWorked with ReactNative or other mobile development frameworks.\n\nActive contributions to open-source projects or strong engagement with the tech community.\n\nWe offer:\nA rewarding salary package that includes additional perks like a company car and fuel card or a mobility budget, comprehensive hospitalization and group insurance, along with a top-tier laptop and smartphone.\n\nBenefit from a company culture that stimulates both individual and team development, fostering your professional and leadership growth.\n\nUtilize your innovation budget for engaging in exciting, educational, and challenging open-source projects within your guild.\n\nParticipate in team-building activities and gatherings, a great opportunity to unwind and engage with our vibrant team initiatives.\n\nA flexible hybrid working-policy to choose where, how, and when you want to work.\n\nAt Faktion we build AI, and we use it thoughtfully in our own processes too. During your application, AI tools may help us with practical steps, like checking that your documents came through complete. They never decide who moves forward: every application is read by a real person on our team, and every decision is made by a human. Curious how this works, or how your data is handled? Just ask, we're happy to explain.","description_format":"text","description_chars":6375,"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":[{"language":"Dutch","level":"Proficiency (C2)","optional":false},{"language":"English","level":"Proficiency (C2)","optional":false}]},"benefits":["Hybrid work"],"hiring_locations":[{"name":"Belgium","iso":"BE","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Computer Vision","AI Consulting & Integration","Document AI","Industrial AI"],"lifecycle":[{"event":"open","at":"2025-05-09T14:17:00Z"},{"event":"open","at":"2026-09-26T02:00:00Z"}],"visa":[],"liveness":{"score":5,"band":"cold","label":"Long shot","p_open":1,"p_active":0.194,"p_room":0.28,"age_days":524,"expected_fill_days":38,"reasons":["conf:1","stale_co","ghost","win:tail","crowd:"],"computed_at":"2026-10-16T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/faktion-senior-full-stack-engineer","json_url":"https://alion.io/job/faktion-senior-full-stack-engineer.json","meta":{"generated_at":"2026-10-16T09:19:26Z","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":7433,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-17T00:00:00Z"}},"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":54451},"rest":"https://alion.io/mcp/rest/get_company?id=54451"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ffaktion-senior-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%2Ffaktion-senior-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%2Ffaktion-senior-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/faktion-senior-full-stack-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ffaktion-senior-full-stack-engineer"}]}