{"id":23957,"url":"https://alion.io/job/capco-poland-senior-back-end-net-api-ai-ready","title":"Senior Back-End - .NET, API, AI Ready","company":{"id":1444,"name":"Capco","domain":"capco.com","url":"https://alion.io/company/capco-poland","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":77,"open_postings":131,"ghost_share":0.023,"stale_share":0.824,"repost_share":0.038,"time_to_fill_p50_days":42,"computed_at":"2026-11-11T05:49:22Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Toronto, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":68000,"max_usd":124000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":209},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"ASP.NET Core","optional":false},{"name":"CI/CD","optional":false},{"name":"Dapper","optional":false},{"name":"Docker","optional":false},{"name":"Entity Framework Core","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false},{"name":"Azure","optional":true},{"name":"C#","optional":true},{"name":"JavaScript","optional":true},{"name":"Radix UI","optional":true},{"name":"React.js","optional":true},{"name":"shadcn/ui","optional":true},{"name":"Snowflake","optional":true},{"name":"Tailwind CSS","optional":true}],"status":"closed","first_seen_at":"2026-06-19T14:21:52Z","employer_posted_date":"2026-10-05","last_verified_at":"2026-10-16T22:44:31Z","board_verified":false,"closed_at":"2026-10-16T22:44:31Z","days_open":119,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":119},"description":"The Role\nCapco is seeking a Senior Full Stack Engineer with strong .NET and React experience to join our Technology & Engineering practice in Toronto. In this role, you will help design, develop, and maintain modern applications and APIs that support business-critical solutions for our clients. Working alongside experienced engineers, product teams, and quality specialists, you will contribute to the delivery of secure, scalable, and high-performing applications while leveraging AI-assisted development practices to improve efficiency and quality.\nWhy This Role Is Open\nWe are currently hiring for this role due to an existing or newly created vacancy within our organization. This position is open as part of our ongoing business needs, and we are actively reviewing applications to fill this role with a qualified candidate who can make an immediate impact.\nWhat You’ll Do\nDesign, develop, and maintain scalable web applications using .NET, React, SQL Server, and modern development practices.\nBuild secure RESTful APIs, implementing authentication and authorization mechanisms such as JWT and OAuth2 while ensuring consistent validation and error handling.\nCreate responsive and accessible user interfaces using React and modern front-end technologies, delivering reliable user experiences.\nContainerize applications using Docker and contribute to CI/CD processes, code reviews, documentation, and knowledge sharing activities.\nLeverage AI-assisted development tools responsibly to accelerate coding, testing, debugging, and technical documentation while maintaining quality and security standards.\nWhat We’re Looking For\n5+ years of professional software engineering experience with strong hands-on expertise in .NET, ASP.NET Core, and REST API development.\nWorking proficiency in React, SQL Server, Docker, and data access technologies such as Dapper and/or Entity Framework Core.\nUnderstanding of API security concepts, including authentication and authorization patterns such as JWT and OAuth2.\nExperience working within established development processes, including source control, code reviews, CI/CD pipelines, and agile delivery environments.\nStrong collaboration, communication, problem-solving, and troubleshooting skills with the ability to work effectively within cross-functional teams.\nBonus Points For\nExperience with Tailwind CSS and modern component libraries such as shadcn/ui.\nExposure to Azure cloud environments and deployment troubleshooting activities.\nFamiliarity with Snowflake and data platform integrations.\nExperience contributing to technical documentation, runbooks, and API documentation.\nInterest in emerging AI-assisted software engineering practices and responsible AI usage.\nWhy Join Capco\nDeliver high-impact technology solutions for Tier 1 financial institutions.\nWork in a collaborative, flat, and entrepreneurial consulting culture.\nAccess continuous learning, training, and industry certifications.\nBe part of a team shaping the future of digital financial services.\nHelp shape the future of digital transformation across FS & Energy.\nBenefits\nComprehensive Benefits Coverage - 100% company-paid health, life, and disability insurance effective from Day 1 of employment.\nRetirement Savings Program - Registered Retirement Savings Plan (RRSP) with the option of receiving a matching employer contribution.\nVirtual Health Care and Employee & Family Assistance Program (EFAP) available to employees and their dependents/partners.\nParental Leave Top-Up, New Parent Gift, and Wellness Support including fitness reimbursement benefits.\nBusiness Coach from Day 1 with personalized one-on-one coaching to support career growth and professional development.\nInclusion at Capco\nWe’re committed to making our recruitment process accessible and straightforward for everyone. If you need any adjustments at any stage, just let us know - we’ll be happy to help. We value each person’s unique perspective and contribution. At Capco, we believe that being yourself is your greatest strength. Our #BeYourselfAtWork culture encourages individuality and collaboration - a mindset that shapes how we work with clients and each other every day.\nUse of Artificial Intelligence in Talent Acquisition\nAt Capco, we use artificial intelligence (AI) tools to support and enhance several parts of talent acquisition. This includes using AI-enabled features within LinkedIn to help source potential candidates, speeding up routine recruitment communications such as emails and creating compelling and brand-aligned job postings that accurately reflect role requirements, and AI-scheduling applications to improve the efficiency of interview coordination.\nAI is used as a support tool only. All hiring decisions are made by talent acquisition and hiring teams.\nPay Transparency\nThe salary range for this position is listed below. Additionally, this position may also be eligible to receive an annual discretionary/variable bonus payment.\nCapco is committed to providing fair and equitable compensation to our people. Our compensation policies and salary ranges are designed to allow our people to progress through the salary range as they demonstrate strong performance and develop in their role over time. The base pay offered to selected candidates will be within the salary range and the placement will vary based upon a variety of factors, including, but not limited to job-related knowledge, skills, experience and internal equity. \nCanada Pay Transparency\n$118,000—$152,000 CAD","description_format":"text","description_chars":5500,"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":[]},"benefits":["Continuous learning","Equity","Parental leave","Professional development","Retirement plans"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","RegTech, AML & Compliance","IT Consulting & Digital Transformation","Management Consulting"],"lifecycle":[{"event":"open","at":"2026-06-19T14:21:52Z"},{"event":"close","at":"2026-10-16T22:44:31Z"}],"visa":[],"liveness":null,"pay":null,"html_url":"https://alion.io/job/capco-poland-senior-back-end-net-api-ai-ready","json_url":"https://alion.io/job/capco-poland-senior-back-end-net-api-ai-ready.json","meta":{"generated_at":"2026-11-11T10:41:29Z","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":18428,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-12T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":1444},"rest":"https://alion.io/mcp/rest/get_company?id=1444"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcapco-poland-senior-back-end-net-api-ai-ready"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Fcapco-poland-senior-back-end-net-api-ai-ready"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fcapco-poland-senior-back-end-net-api-ai-ready"},{"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/capco-poland-senior-back-end-net-api-ai-ready\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcapco-poland-senior-back-end-net-api-ai-ready"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":23957}},{"tool":"search_jobs","arguments":{"company":"capco.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":23957},"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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