{"id":1542347,"url":"https://alion.io/job/cit-fullstack-net-developer","title":"Fullstack .NET Developer","company":{"id":957,"name":"CI&T","domain":"ciandt.com","url":"https://alion.io/company/ciandt","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"A","score":85,"open_postings":10,"ghost_share":0,"stale_share":0.8,"repost_share":0,"time_to_fill_p50_days":18,"computed_at":"2026-10-05T05:45:15Z"}},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":["BR"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Amazon EC2","optional":false},{"name":"Amazon S3","optional":false},{"name":"Angular","optional":false},{"name":"AWS","optional":false},{"name":"AWS Fargate","optional":false},{"name":"Bitbucket","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"Node JS","optional":false},{"name":"PostgreSQL","optional":false},{"name":"SQL","optional":false},{"name":"Vue.js","optional":false},{"name":"Azure","optional":true},{"name":"JavaScript","optional":true},{"name":"React.js","optional":true},{"name":"Strapi","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-09-30T17:31:20Z","employer_posted_date":"2026-09-30","last_verified_at":"2026-10-06T02:40:20Z","board_verified":true,"closed_at":null,"days_open":5,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":5},"description":"We're looking for a Mid Fullstack .NET Developer to maintain and evolve a set of .NET applications. You will be responsible for the entire ecosystem of a specific business line for our client, work closely with the systems/solutions architect, and maintain daily contact with native English-speaking stakeholders.\nFor this position, the candidate must have experience using AI in their daily work to boost productivity.This will be the most important differentiator among the candidates.\nThe position has a strong focus on enhancing, modernizing and automating workflows. The candidate must be experienced in working on CI/CD pipelines, databases, and AWS infrastructure. Experience on migrating to newer .NET Core versions is a huge differential.\nThe UI of this set of applications are built with Angular and Vue.js, with some Node.js components for backend services.\nResponsibilities:\n- Maintain and improve existing .NET Core applications.\n- Execute .NET Core upgrades and vulnerabilities mitigations.\n- Evolve APIs and work with multiple external/internal integrations.\n- Work with containerized applications using Docker.\n- Use Bitbucket, CI/CD, and automated tests as part of the delivery workflow.\n- Collaborate with stakeholders to discuss and prioritize tasks and clarify requirements.\n- Mentor junior developers.\nImprove the team productivity with AI.\nRequirements:\n- 3+ years of experience with .NET Core (C#) and web development.\n- Strong experience with SQL and PostgreSQL databases.\n- Experience with Angular and/or Vue in production environments.\n- Experience with AWS services (RDS, EC2, Fargate, S3, etc.).\n- Proficiency with Docker and containerization.\n- Experience with relational databases and integrations with third-party APIs.\n- Comfortable with Bitbucket/Git and automated testing.\n- Fluent English and strong communication/relationship skills.\nNice to Have:\n- Experience with AWS platform.\n- Experience with Azure cloud platform.\n- Knowledge of Strapi CMS.\n- React experience.\n- Experience with Mailgun or similar email service providers.","description_format":"text","description_chars":2064,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"Proficiency (C2)","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Brazil","iso":"BR","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Outsourcing & Dedicated Teams","Custom Software Development","AI Consulting & Integration","Data Engineering & Migration Services"],"lifecycle":[{"event":"open","at":"2026-09-30T21:19:27Z"}],"visa":[],"liveness":{"score":62,"band":"ok","label":"Likely open","p_open":1,"p_active":0.622,"p_room":1,"age_days":4,"expected_fill_days":18,"reasons":["conf:0","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-05T05:45:15Z"},"pay":null,"html_url":"https://alion.io/job/cit-fullstack-net-developer","json_url":"https://alion.io/job/cit-fullstack-net-developer.json","meta":{"generated_at":"2026-10-06T03:04:44Z","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","counted_by":"address","units_charged":1,"used_today":4591,"day_limit":5000,"remaining_today":409,"minute_limit":60,"resets_at":"2026-10-07T00:00:00Z"}},"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":957},"rest":"https://alion.io/mcp/rest/get_company?id=957"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcit-fullstack-net-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%2Fcit-fullstack-net-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%2Fcit-fullstack-net-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/cit-fullstack-net-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcit-fullstack-net-developer"}]}