{"id":2005124,"url":"https://alion.io/job/atos-application-support-engineer-c-net","title":"Application Support Engineer (C# / .NET)","company":{"id":3006,"name":"Atos","domain":"atos.net","url":"https://alion.io/company/atos","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":null},"role":"Support","role_family":"Support","seniority":null,"employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Wrocław, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":18500,"max_usd":46000,"period":"year","method":"role_country_seniority_unknown","sample_n":69},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"C#","optional":false},{"name":"Docker","optional":false},{"name":"SQL","optional":false},{"name":"Agile","optional":true},{"name":"Azure","optional":true},{"name":"Azure DevOps","optional":true}],"status":"live","first_seen_at":"2026-09-24T00:00:00Z","employer_posted_date":"2026-09-24","last_verified_at":"2026-10-11T20:10:12Z","board_verified":true,"closed_at":null,"days_open":18,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":18},"description":"Atos is the Atos Group brand dedicated to AI-powered, secure, end-to-end digital services. Atos designs, develops, and operates critical digital environments that drive performance, resilience and sovereignty, helping public and private organizations worldwide retain control over their data and infrastructures, while meeting regulatory requirements.\nWith more than 52,000 employees serving over 4,500 clients across 54 countries, Atos helps modernize core IT systems, accelerate cloud and data transformation, strengthen cybersecurity, and deliver secure digital workplace environments to support its clients, its employees and society. Atos also provides consulting and advisory services through its Atos Amplify brand.\nA trusted partner in operating complex and mission-critical environments, Atos supports organizations across highly regulated and sovereign contexts.\nAbout Atos Group\nAtos Group is a global leader in digital transformation with c. 54,000 employees and annual revenue of c. €7.2 billion, operating in 54 countries under two brands - Atos for services and Eviden for products and systems. European number one in cybersecurity and a leader in cloud, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos Group is listed on Euronext Paris.\nAbout the Role\nWe are looking for a motivated Application Support Engineer to join our team and contribute to the development and maintenance of business-critical payroll applications for one of our key public sector clients. This is an excellent opportunity for a developer who is eager to grow their technical skills, work on real-world business solutions, and gain experience with modern software development practices. You will collaborate with experienced developers and technical specialists in a supportive environment that encourages learning and professional development.\nKey Responsibilities\nDevelop, maintain, and enhance applications using C# and .NET technologies.\nSupport the ongoing development of payroll and workforce-related business applications.\nParticipate in the modernization of legacy .NET applications and components.\nCollaborate with team members to design, implement, and test new features.\nTroubleshoot and resolve application defects and technical issues.\nWrite clean, maintainable, and efficient code following established development standards.\nSupport software deployment activities using Visual Studio and Docker-based environments.\nParticipate in code reviews and knowledge-sharing activities within the team.\nCreate and maintain technical documentation when required.\nEnsure compliance with development standards, security requirements, and best practices. \nRequired Skills\nGood knowledge of C# and .NET Framework / .NET technologies.\nUnderstanding of object-oriented programming principles.\nExperience working with SQL databases\nKnowledge of software development lifecycle and development best practices.\nAbility to troubleshoot and debug applications.\nFamiliarity with Visual Studio development environment.\nUnderstanding of source control concepts.\nStrong analytical and problem-solving skills.\nAbility to learn new technologies and business domains quickly. \nNice to Have\nExperience with Azure DevOps.\nFamiliarity with Docker.\nKnowledge of payroll, HR, or workforce management systems.\nExposure to Agile development methodologies.\nExperience working with SQL databases. \nWhat We Offer\nHybrid work you can truly shape - friendly model designed for real work-life balance (max. 2 office days per month, or less - depending on location)\nChoose the cooperation model that fits you - Employment Contract or B2B\nFair compensation - salary matched to your experience + annual bonus + copyrights\nFeel good at work - passion-sharing meetups, team moments and initiatives\nPrivate medical care\nBenefits platform - shopping, cinema, sports discounts\nStay active - Multisport + b-active\nGrow your skills - courses and certifications\nLevel up professionally - conferences and knowledge hubs\nGift packages and recognition programs\nAdditional days off and experience-based benefits\nCharity and eco initiatives\nHere at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all.\nAtos is a recognized leader in its industry across Environment, Social and Governance (ESG) criteria. Find out more on our CSR commitment.\nChoose your future. Choose Atos.","description_format":"text","description_chars":4479,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Hybrid work","Professional development"],"hiring_locations":[{"name":"Poland","iso":"PL","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Managed Security","IT Consulting & Digital Transformation","Systems Integrators","High-Performance Computing"],"lifecycle":[{"event":"open","at":"2026-10-07T12:37:48Z"}],"visa":[],"liveness":{"score":32,"band":"fade","label":"Fading","p_open":1,"p_active":0.574,"p_room":0.55,"age_days":16,"expected_fill_days":15,"reasons":["conf:3","velocity","win:tail","comp:brand"],"computed_at":"2026-10-10T05:45:15Z"},"pay":null,"html_url":"https://alion.io/job/atos-application-support-engineer-c-net","json_url":"https://alion.io/job/atos-application-support-engineer-c-net.json","meta":{"generated_at":"2026-10-12T02:44:42Z","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":4061,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-13T00:00:00Z"}},"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":3006},"rest":"https://alion.io/mcp/rest/get_company?id=3006"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fatos-application-support-engineer-c-net"},{"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%2Fatos-application-support-engineer-c-net"},{"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%2Fatos-application-support-engineer-c-net"},{"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/atos-application-support-engineer-c-net\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fatos-application-support-engineer-c-net"}]}