{"id":3588028,"url":"https://alion.io/job/easysoftgroup-tech-leadsenior-node-js-backend-engineer-infrastructure-high-load-systems","title":"Tech Lead/Senior Node.js Backend Engineer (Infrastructure & High-Load Systems)","company":{"id":4449252,"name":"EasySoftGroup","domain":"easysoftgroup.com","url":"https://alion.io/company/easysoftgroup","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_regions","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":["DE","FR","AT","BE","BG","HR","CY","CZ","DK","FI","HU","IE","IT","NL","PL","RO","ES","SE","EE","GR","LV","LT","LU","MT","PT","SK","SI"],"hiring_countries_total":27,"salary":null,"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Node JS","optional":false},{"name":"Redis","optional":false},{"name":"TypeScript","optional":false},{"name":"CI/CD","optional":true},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-10-06T18:40:49Z","employer_posted_date":"2026-10-06","last_verified_at":"2026-11-04T00:51:23Z","board_verified":true,"closed_at":null,"days_open":28,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":28},"description":"We are looking for a Tech Lead/Senior Backend Engineer on behalf of our client, an innovative technology company operating at the intersection of financial technology, AI, and digital asset infrastructure.\nThis is an opportunity to join a highly skilled engineering team working on complex backend systems where scalability, reliability, and data integrity are critical. The role is best suited for engineers who enjoy solving challenging technical problems, taking ownership of their work, and contributing directly to the development of core platform functionality.\nResponsibilities\nDesign, develop, and maintain backend services using Node.js and TypeScript.\n\nBuild and enhance APIs, data models, and core platform components.\n\nWork with MongoDB, Redis, and AWS cloud services.\n\nDesign, build, and maintain high-load backend systems capable of handling large-scale traffic and ensuring high availability.\n\nParticipate in the setup, configuration, and ongoing support of cloud infrastructure to ensure reliability, scalability, and operational efficiency.\n\nContribute to improving deployment processes, monitoring, logging, and alerting for backend services and production environments.\n\nTroubleshoot and resolve production issues while ensuring system stability and performance.\n\nOptimize applications for scalability, reliability, and maintainability.\n\nParticipate in technical discussions and contribute to architectural decisions around backend services, infrastructure, and platform scalability.\n\nRequirements\nDegree in Computer Science, Mathematics, or a related technical field.\n\n7+ years of commercial backend development experience.\n\nStrong expertise in Node.js and TypeScript.\n\nHands-on experience with MongoDB and Redis.\n\nProven track record of building and supporting high-load production systems.\n\nSolid understanding of backend architecture, API design, and scalable system design principles.\n\nHands-on experience with infrastructure setup, configuration, and support in cloud environments.\n\nExperience contributing to architectural decisions for scalable and reliable backend systems.\n\nStrong debugging, troubleshooting, and problem-solving skills.\n\nAbility to work independently in a fast-paced environment.\n\nNice to Have\nExperience with distributed systems and event-driven architectures.\n\nFamiliarity with messaging systems and asynchronous workflows.\n\nPrevious experience in fintech, trading platforms, marketplaces, or other high-load systems.\n\nStartup or scale-up environment experience.\n\nExperience with CI/CD pipelines, containerization, or infrastructure automation tools\n\nExperience in competitive programming or participation in programming olympiads\n\nWe Value\nStrong ownership mentality.\n\nAttention to detail and focus on system reliability.\n\nAbility to identify edge cases and design robust solutions.\n\nPractical engineering mindset with a hands-on approach to development.\n\nExcellent communication and collaboration skills.\n\nInterested? 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