{"id":2518309,"url":"https://alion.io/job/jit-team-system-engineer-for-legacy-application-cc","title":"System Engineer for legacy application C/C++","company":{"id":53531,"name":"Jit Team","domain":"jit-team.com","url":"https://alion.io/company/jit-team","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Traffit","truth_index":{"grade":"A","score":95,"open_postings":27,"ghost_share":0,"stale_share":0.185,"repost_share":0,"time_to_fill_p50_days":30,"computed_at":"2026-10-17T05:46:00Z"}},"role":"DevOps","role_family":"DevOps","seniority":null,"employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Łódź, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":1000,"max":1200,"currency":"PLN","period":"day","gross":null,"usd_annual":77000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"C++","optional":false},{"name":"Copilot","optional":false},{"name":"Git","optional":false},{"name":"Rest API","optional":false},{"name":"Scrum","optional":false}],"status":"live","first_seen_at":"2026-10-14T08:11:50Z","employer_posted_date":"2026-10-14","last_verified_at":"2026-10-18T00:56:29Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Salary: 1000 - 1200 PLN/day on B2B\nWork model: hybrid fromŁódź(2/3 days per week from the office)\nWhy choose this offer?\nYou can expect a flexible work organization\nThe international work environment will give you the opportunity to interact with the English language on a daily basis\n Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit)\nThe Jit community will bring you a nice time during regular integration meetings\nProject\nYou will be involved in a financial project focused on developing and maintaining credit risk, credit scoring, and recommendation solutions used across multiple European markets. The platform supports critical decision-making processes within the banking and financial sector, ensuring compliance with local regulations and integrating with external credit authorities.\nWorking as part of an Agile Scrum team, you will design, develop, and maintain C/C++ microservices, APIs, and calculation engines that process complex business rules and financial data. You will participate in the full software development lifecycle, from requirements analysis and solution design through implementation, testing, deployment, and ongoing enhancements.\nResponsibilities you'll have\nDevelop and maintain C/C++ applications and microservices.\nBuild APIs and calculation engines for credit scoring solutions.\nIntegrate systems with external credit authorities.\nAnalyze, debug, and resolve technical issues.\nCollaborate with Business Analysts on requirements and solution design.\nWrite and execute unit and integration tests.\nParticipate in code reviews and Agile Scrum ceremonies.\nEnsure code quality, performance, and maintainability.\nExpected competences and knowledge\nStrong commercial experience with C and C++\nStrong debugging and troubleshooting skills\nGood understanding of XML, mapping, and code flow analysis\nKnowledge of unit, integration, and system testing\nUnderstanding of OOP, SOLID principles, and design patterns\nExperience with Visual Studio\nExperience in package building and executable (.exe) creation\nFamiliarity with GitHub Copilot\nGood English communication skills\nTechnologies you'll work with\nC++\nC\nXML\nVisual Studio\nGitHub Copilot\nREST APIs\nMicroservices\nGit\nUnit & Integration Testing\nObject-Oriented Programming (OOP)\nSOLID Principles\nAgile Scrum\nCredit Scoring & Risk Systems (domain-related)\nClient - why choose this particular client from the Jit portfolio?\nJit Team has had an over-decade-long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture, which is conducive to people who place emphasis on work-life balance and feedback culture. Furthermore, all projects are executed in international teams, giving constant exposure to the English language.\nAbout Jit Team\nThe Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts, to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams.\nBehind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.","description_format":"text","description_chars":4238,"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":[{"language":"English","level":"Upper-Intermediate (B2)","optional":false}]},"benefits":["Flexible schedule","Professional development"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Outsourcing & Dedicated Teams","Custom Software Development"],"lifecycle":[{"event":"open","at":"2026-10-14T10:21:27Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":2,"expected_fill_days":30,"reasons":["conf:0","velocity","win:early","comp:brand"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":77000,"is_top_pay":false},"html_url":"https://alion.io/job/jit-team-system-engineer-for-legacy-application-cc","json_url":"https://alion.io/job/jit-team-system-engineer-for-legacy-application-cc.json","meta":{"generated_at":"2026-10-18T01:27:53Z","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":2409,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"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":53531},"rest":"https://alion.io/mcp/rest/get_company?id=53531"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fjit-team-system-engineer-for-legacy-application-cc"},{"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%2Fjit-team-system-engineer-for-legacy-application-cc"},{"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%2Fjit-team-system-engineer-for-legacy-application-cc"},{"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/jit-team-system-engineer-for-legacy-application-cc\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fjit-team-system-engineer-for-legacy-application-cc"}]}