{"id":3086388,"url":"https://alion.io/job/vivid-resourcing-modern-c-developer","title":"Modern C++ Developer","company":{"id":4412973,"name":"Vivid Resourcing","domain":"vividresourcing.com","url":"https://alion.io/company/vivid-resourcing","size_band":"11-50","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":{"grade":"B","score":75,"open_postings":108,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"contractor","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Belgium"],"countries":["BE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":40000,"max_usd":111000,"period":"year","method":"role_country_seniority_unknown","sample_n":15},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C#","optional":false},{"name":"C++","optional":false},{"name":"CI/CD","optional":false},{"name":"Git","optional":false},{"name":"GitHub","optional":false},{"name":"Python","optional":false},{"name":"Scrum","optional":false},{"name":"TeamCity","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-10-05T12:06:35Z","employer_posted_date":"2026-10-06","last_verified_at":"2026-10-22T13:46:27Z","board_verified":false,"closed_at":null,"days_open":26,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":26},"description":"Location: Leuven, Belgium\nContract: Freelance\nStart date: December or January (flexible)\nDuration: 12 months, with extension possible\nWorking pattern: Full time, 40 hours per week, 3 days per week on site\nAbout the role\nOur client is an international organisation working in chip manufacturing technology, looking for freelance C++ Developers to join a project based in Leuven, Belgium. The engagement is for 12 months, with the possibility of extension, and is open to both medior and senior developers.\nThe project is a handling platform. The successful candidate will work mostly in C++ on the application, and in Python on testing, with some limited work in C# possible. Day to day, you will join the team’s Scrum sync and then work on design, coding and development testing, with AI used to support the work. You will work closely with the systems engineering team, so the role suits someone who can follow technical complexity and explain their decisions clearly.\nThe role is based on site in Leuven three days a week, with the rest of the week remote. Depending on project needs, international travel to Asia may be required, with expenses covered by the customer. Rate details will be confirmed with candidates.\nMain responsibilities\nDesign, develop and maintain the application for the handling platform, mainly in modern C++\nWrite and maintain automated tests in Python\nContribute to limited development work in C# where needed\nTake part in Scrum activities, including daily syncs with the team\nWork closely with systems engineering to turn requirements into well-structured software\nUse AI-assisted tools to support design, coding and development testing\nApply object-oriented design principles to keep the codebase clear and maintainable\nUse Git and GitHub for version control, and JIRA and TeamCity for tracking and CI/CD\nSupport the team’s process rigour, including documentation and review\nTravel internationally when the project requires it\nRequirements\nEssential\nStrong experience in modern and advanced C++\nExperience with Visual Studio\nPython, used for testing\nObject-oriented design\nGit\nExperience developing on Windows\nFluent English\nMedior or senior level experience\nAvailability to work on site in Leuven 3 days per week\nAvailability to start in December or January\nDesirable\nMMI experience, including WPF and C#\nHandler experience, including C# and PLC\nStrong communication skills and the ability to work comfortably with complexity\nFast learner with a rigorous approach to process\nComfortable with international cooperation and travel\nTechnology stack\nLanguages: C++20, C#, Python\nUI: MFC, WPF\nCompiler: Visual Studio 2022\nVersion control: Git and GitHub\nProject tracking: JIRA\nCI/CD: TeamCity\nEnvironment: Windows 11\nThe offer\nThis is a 12-month freelance engagement, with extension possible, starting in December or January. The role is full time at 40 hours per week, with 3 days per week on site in Leuven. Any international travel, such as to Asia, is covered by the customer. The interview process has one to two stages, and the rate will be confirmed with candidates.\nIt offers the chance to work on a platform used in chip manufacturing, alongside systems engineers, with a modern C++20 stack.\nIf you are a medior or senior C++ developer who enjoys complex technical work and close collaboration with engineering teams, this role offers a long-term freelance project in Leuven. Apply below.","description_format":"text","description_chars":3423,"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":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Belgium","iso":"BE","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-22T13:45:15Z"}],"visa":[],"liveness":{"score":17,"band":"cold","label":"Long shot","p_open":0.7,"p_active":0.275,"p_room":0.9,"age_days":25,"expected_fill_days":38,"reasons":["conf:208","agency","stale_co","velocity","win:mid","comp:brand"],"computed_at":"2026-10-31T05:58:55Z"},"pay":null,"html_url":"https://alion.io/job/vivid-resourcing-modern-c-developer","json_url":"https://alion.io/job/vivid-resourcing-modern-c-developer.json","meta":{"generated_at":"2026-11-01T01:56:30Z","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":2910,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-02T00:00:00Z"}},"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":4412973},"rest":"https://alion.io/mcp/rest/get_company?id=4412973"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fvivid-resourcing-modern-c-developer"},{"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%2Fvivid-resourcing-modern-c-developer"},{"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%2Fvivid-resourcing-modern-c-developer"},{"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/vivid-resourcing-modern-c-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fvivid-resourcing-modern-c-developer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3086388}},{"tool":"search_jobs","arguments":{"company":"vividresourcing.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3086388},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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