{"id":2861404,"url":"https://alion.io/job/people-focus-senior-full-stack-engineer-net-react","title":"Senior Full Stack Engineer (.NET & React)","company":{"id":4449135,"name":"People Focus","domain":"peoplefocus.rs","url":"https://alion.io/company/people-focus","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Career sitemap","truth_index":{"grade":"B","score":75,"open_postings":4,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-22T06:10:10Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Belgrade, Serbia"],"countries":["RS"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":32000,"max_usd":95000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":7270},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Agile","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"React.js","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"GCP","optional":true}],"status":"live","first_seen_at":"2026-08-11T00:00:00Z","employer_posted_date":"2026-08-11","last_verified_at":"2026-10-22T19:37:20Z","board_verified":true,"closed_at":null,"days_open":72,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":72},"description":"On behalf of our client, we are looking for an Senior Full Stack Engineer (.NET & React):\nLevel: Senior\nType of employment: Full time\nLocation: Belgrade, Serbia\nModel of work: Remote\n\nThe Opportunity:\nOur client is a fast-growing international outsourcing company providing a wide range of business and technology solutions to clients across different industries and markets. With offices across Europe and beyond, they combine experienced teams, technology expertise and tailored outsourcing solutions to support the growth and development of their clients.\nOne of their key areas is IT staffing and outsourcing, providing skilled remote technology professionals and dedicated teams for international projects. Their technology services focus on delivering reliable, scalable and high-quality solutions tailored to each client's specific needs.\nWe are looking for an experienced Senior Full Stack Engineer to become part of the development team and contribute to the delivery of modern, high-quality web applications. In this role, you will work across both backend and frontend layers, taking part in the full development lifecycle - from technical planning and solution design to implementation, optimization and continuous improvement.\nYou will collaborate closely with developers, Product Managers, Designers and QA Engineers to build scalable, secure and high-performing solutions, while contributing to engineering best practices, code quality and the continuous improvement of the development process.\nKey Job Responsibilities:\nDevelop and maintain full-stack web applications using .NET (C#) and React.\nDesign clean, scalable, and maintainable backend services and frontend components.\nBuild and integrate RESTful APIs and ensure seamless communication between services.\nCollaborate with Product Managers, Designers, QA Engineers, and other developers throughout the entire software development lifecycle.\nParticipate in technical planning, solution design, and architectural discussions.\nImprove application performance, reliability, security, and scalability.\nInvestigate, troubleshoot, and resolve application issues in production and development environments.\nSupport deployment processes, containerized applications, and CI/CD pipelines.\nPerform code reviews, promote coding standards, and provide technical guidance to other engineers.\nContribute to Agile ceremonies, sprint planning, and continuous process improvement initiatives.\n\nIf you are someone who has:\n Must:\nMinimum 5 years of professional experience in full-stack software development.\nStrong hands-on experience with C# / .NET.\nSolid knowledge of React and modern JavaScript/TypeScript development.\nExperience designing and integrating RESTful APIs.\nStrong understanding of relational databases and SQL.\nPractical experience with Docker containers and modern deployment practices.\nExperience using Git and CI/CD pipelines in collaborative development environments.\nGood understanding of software architecture, design patterns, and object-oriented programming principles.\nStrong analytical thinking and problem-solving skills.\nAbility to work effectively both independently and within distributed teams.\nProfessional working proficiency in English.\n Nice to have:\nExperience working with cloud platforms (Azure, AWS, or GCP).\nFamiliarity with automated testing frameworks.\nExperience with monitoring, logging, and observability tools.\nKnowledge of microservices architecture and distributed systems.\nPrevious experience mentoring developers or leading technical initiatives. \nAdditional information:\nIf you are interested in the position, please send us your resume. If you would like to have more details, please contact us at \nWe are happy to meet you!","description_format":"text","description_chars":3753,"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":"English","level":"Upper-Intermediate (B2)","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Serbia","iso":"RS","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-19T16:19:33Z"}],"visa":[],"liveness":{"score":14,"band":"cold","label":"Long shot","p_open":1,"p_active":0.484,"p_room":0.28,"age_days":72,"expected_fill_days":27,"reasons":["conf:3","win:tail","crowd:"],"computed_at":"2026-10-22T06:10:10Z"},"pay":null,"html_url":"https://alion.io/job/people-focus-senior-full-stack-engineer-net-react","json_url":"https://alion.io/job/people-focus-senior-full-stack-engineer-net-react.json","meta":{"generated_at":"2026-10-22T22:34:29Z","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":7849,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-23T00:00:00Z"}},"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":4449135},"rest":"https://alion.io/mcp/rest/get_company?id=4449135"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fpeople-focus-senior-full-stack-engineer-net-react"},{"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%2Fpeople-focus-senior-full-stack-engineer-net-react"},{"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%2Fpeople-focus-senior-full-stack-engineer-net-react"},{"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/people-focus-senior-full-stack-engineer-net-react\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fpeople-focus-senior-full-stack-engineer-net-react"}]}