{"id":4222821,"url":"https://alion.io/job/oliver-james-associates-node-react-developer","title":"Node / React Developer","company":{"id":4413055,"name":"Oliver James Associates","domain":"ojassociates.com","url":"https://alion.io/company/oliver-james-associates","size_band":null,"is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Brussels, Belgium"],"countries":["BE"],"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":"AWS","optional":false},{"name":"AWS Lambda","optional":false},{"name":"DynamoDB","optional":false},{"name":"Node JS","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-09-22T05:15:10Z","employer_posted_date":null,"last_verified_at":"2026-09-22T05:15:10Z","board_verified":false,"closed_at":null,"days_open":52,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":52},"description":"Senior Node.js / React / AWS\nAbout the roleWe are looking for a strong Senior Full-Stack Developer to join the team of one of our clients and contribute to the development, maintenance and long-term evolution of their products.\nThe organisation is currently investing in a more modern technology stack, with TypeScript, Node.js and React at the heart of its new product development, while progressively moving away from legacy technologies.\nThis role goes beyond simply developing features. You will be expected to understand the technical and product challenges behind the solutions, take ownership of complex problems, explore different approaches and contribute to the technical decisions that will shape the products over the long term.\nYou will also have an important role in exploring the practical use of Artificial Intelligence within software development, identifying where AI can genuinely improve productivity, quality and efficiency.\nYour responsibilitiesSoftware development & product evolutionDevelop, maintain and continuously improve the organisation's products.\nWork across the full stack, with a strong focus on Node.js, TypeScript and React.\nDevelop backend services and workers, with Node.js representing a significant part of the backend environment.\nContribute to the development of modern, scalable applications while helping progressively move away from legacy technologies.\nWork with cloud-based environments and contribute to application deployments.\nDevelop and maintain APIs and Back-for-Front (BFF) components.\nWork with cloud services such as AWS Lambda and DynamoDB.\nEnsure that solutions remain maintainable, scalable and sustainable over the long term.\nTechnical problem-solving & decision-makingTake ownership of technically complex problems and investigate several possible solutions.\nAnalyse the advantages, constraints, risks and short- and long-term impact of different technical approaches.\nFormulate clear, well-reasoned technical recommendations.\nContribute actively to architectural and technical decisions.\nConsider not only whether a solution works today, but also how it will evolve and be maintained over time.\nHelp ensure consistency and coherence across the products and technical solutions.\nAI & innovationAI is an important area of interest for the team.\nYou will be encouraged to:\nIdentify opportunities where Artificial Intelligence can improve software development.\nExperiment with AI tools, technologies and approaches.\nEvaluate their potential benefits, limitations and impact.\nRecommend practical use cases where AI can improve developer productivity, software quality and development efficiency.\nShare your findings and help the wider team make informed decisions about the adoption of AI.\nYou don't need to be an AI/ML specialist. What matters is a genuine curiosity and appetite for experimenting with AI and understanding how it can bring practical value to engineering teams.\nKnowledge sharing & collaborationAs a senior member of the team, you will also contribute to the development of the people around you.\nShare your technical knowle\n\nAbout youYou are a strong Senior Developer with the technical maturity to go beyond implementing predefined solutions.\nYou bring:\nSeveral years of experience in professional software development.\nStrong hands-on expertise with Node.js and TypeScript.\nSolid experience with React.\nExperience developing modern full-stack applications.\nExperience with AWS or another major cloud provider.\nThe ability to understand and navigate a cloud environment and participate in deployments.\nExperience with Lambda, DynamoDB, serverless architectures or similar technologies is a strong advantage.\nGood understanding of APIs, application architecture and BFF patterns.\nThe ability to analyse complex technical problems and compare different solutions.\nStrong communication skills and the ability to explain and defend technical recommendations.\nA proactive mindset and genuine interest in continuously developing your technical expertise.\nA strong interest in Artificial Intelligence and its practical applications in software engineering.\nThe mindset we're looking forBeyond the technology stack, we are looking for someone who:\nThinks beyond the immediate solution and considers long-term maintainability and sustainability.\nIs comfortable challenging existing approaches when there is a better alternative.\nDoesn't immediately jump to the first technical solution, but takes the time to understand the trade-offs.\nIs curious and enjoys experimenting with new technologies.\nTakes ownership of their own technical development.\nNaturally shares knowledge with colleagues.\nCan adapt to changing priorities and complex situations.\nEnjoys working collaboratively and 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