{"id":2450076,"url":"https://alion.io/job/cshark-lead-net-developer-full-stack","title":"Lead .NET Developer (Full-Stack)","company":{"id":1383,"name":"CSHARK","domain":"cshark.com","url":"https://alion.io/company/cshark","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"contractor","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["Wrocław, Poland"],"countries":["PL"],"hiring_countries":["PL"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":68000,"max_usd":115000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":33},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ASP.NET Core","optional":false},{"name":"Bootstrap","optional":false},{"name":"C#","optional":false},{"name":"Claude Code","optional":false},{"name":"Copilot","optional":false},{"name":"Cursor","optional":false},{"name":"JavaScript","optional":false},{"name":"JQuery","optional":false},{"name":"MS SQL","optional":false},{"name":"OpenAI Codex","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false},{"name":"Angular","optional":true},{"name":"Azure","optional":true},{"name":"Azure DevOps","optional":true},{"name":"COBOL","optional":true},{"name":"IBM MQ","optional":true},{"name":"IdentityServer","optional":true},{"name":"Octopus Deploy","optional":true},{"name":"RabbitMQ","optional":true},{"name":"Redis","optional":true},{"name":"SignalR","optional":true},{"name":"SOAP","optional":true},{"name":"TeamCity","optional":true},{"name":"TypeScript","optional":true},{"name":"Windows","optional":true}],"status":"live","first_seen_at":"2026-10-13T12:43:08Z","employer_posted_date":null,"last_verified_at":"2026-10-13T12:43:08Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"We are looking for an experienced Lead .NET Engineer to join an international project focused on developing and modernising an established lending platform used by financial institutions across the UK and Europe.\nInitially, you will focus on hands-on full-stack development, delivering changes across a complex system built primarily on C#, .NET Framework 4.x, ASP.NET and SQL Server, with some legacy components using Delphi 7 and COM/COM+.\nOver time, your role will evolve towards technical leadership, architectural improvements and AI adoption. You will help shape the platform's technical direction, support the existing development team and contribute to its future growth.\nWe are looking for someone who combines strong engineering expertise with technical leadership experience, understands complex legacy systems and knows how to modernise them without disrupting existing business operations.\nIN SHORT:\n🌎 Remote work or from one of our offices\n💰 160 - 190 PLN/h + VAT\n☑️ B2B contract\nYour Daily Missions\nDeveloping and maintaining a complex lending platform using C#, .NET Framework 4.x, ASP.NET and SQL Server.\n\nDelivering full-stack changes end to end, from requirements analysis through implementation, testing and code review.\n\nDeveloping and optimising T-SQL stored procedures, SQL Server Agent jobs and database queries.\n\nWorking with ASP.NET MVC/WebForms, JavaScript, jQuery, AJAX and Bootstrap.\n\nMaintaining APIs, integrations and background-processing services.\n\nWorking with legacy components, including Delphi 7, COM/COM+ and VB.NET, where required.\n\nImproving code quality, system architecture and maintainability through incremental modernisation.\n\nUsing AI coding assistants for development, code analysis, troubleshooting and technical documentation.\n\nCollaborating with developers, business analysts and stakeholders to deliver reliable solutions.\n\nGradually taking ownership of technical architecture, engineering standards and the product's technical direction.\n\nMentoring engineers, sharing knowledge and supporting the adoption of AI-assisted development practices.\n\nThe Essentials We’re Seeking\nStrong commercial experience with C# and .NET Framework 4.x, including production application development and maintenance.\n\nAdvanced knowledge of SQL Server and T-SQL, including stored procedures, query optimisation and SQL Server Agent jobs.\n\nHands-on experience with ASP.NET MVC or WebForms and frontend technologies such as JavaScript, jQuery, AJAX and Bootstrap.\n\nExperience developing and maintaining REST APIs, system integrations and background-processing services.\n\nExperience working with complex legacy systems and modernising existing applications incrementally.\n\nPrevious experience as a Tech Lead or Software Architect, including architectural decisions, engineering standards and mentoring developers.\n\nAbility to take technical ownership, influence decisions and introduce improvements within experienced development teams.\n\nPractical experience using AI coding assistants (GitHub Copilot, Claude Code, Cursor, OpenAI Codex or similar) in daily development, including critical validation of generated code.\n\nCommercial experience in a regulated or financial domain, such as lending, banking, payments, insurance, consumer credit, collections or KYC/AML.\n\nUnderstanding of auditability, change control, data integrity and compliance requirements in regulated environments.\n\nStrong analytical and problem-solving skills, a proactive mindset and the ability to work independently.\n\nStrong written and spoken English (B2+ minimum, C1 preferred).\n\nNice-to-haves\nExperience with Delphi 7, COM/COM+, VB, VB.NET, classic ASP or XSLT.\n\nKnowledge of older Angular applications or SignalR.\n\nExperience with SOAP/ASMX, Windows Services, RabbitMQ, MSMQ, IBM MQ, XML or EDI.\n\nExperience migrating applications from .NET Framework to modern .NET.\n\nExperience in lending, asset finance, consumer credit or debt collection.\n\nKnowledge of SEPA, UK Direct Debit, card payments or financial system integrations.\n\nFamiliarity with IdentityServer, ASP.NET Identity, Redis, Adobe Sign or DocuSign.\n\nExperience with Azure DevOps, TeamCity or Octopus Deploy.\n\nPrevious experience working in a software product company or software vendor environment.\n\nReasons Why You Would Enjoy Working With Us\nWe work in the latest technologies and with international clients, and our projects are polished from < to /> - learn about some of the projects we have completed.\n\nWe organize TechTalks, meet-ups and create guilds where we exchange knowledge - you can learn a lot from your teammates.\n\nWe have a close-knit team and we make sure to have regular integrations - we often go out to celebrate together.\n\nYou can work remotely or choose to work from our offices in Wroclaw or Bielsko-Biala. However, we count on your openness to occasionally visit the office for team meetings or client visits, or possible occasional trips to the client's headquarters.\n\nYou can adjust your working hours to suit your needs, starting your day between 7:00 and 10:00 am.\n\nYou can work with great specialists in their fields who also have a sense of humor and other after-hours hobbies. It is the people who create the unique atmosphere and relaxed atmosphere at CSHARK.\n\nWe have a flat structure - we are not a corporation and don't want to be one 🙃.\n\nWe offer bonuses for employee referrals (from 3000 PLN to 7000 PLN).\n\nTech stack\nC#\n.Net Framework\nSQL\nT-SQL","description_format":"text","description_chars":5450,"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":[],"hiring_locations":[{"name":"Poland","iso":"PL","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Outsourcing & Dedicated Teams","Mobile App Development Services","Custom Software Development"],"lifecycle":[{"event":"open","at":"2026-10-13T14:25:00Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":27,"reasons":["seen:0","win:early"],"computed_at":"2026-10-13T22:51:50Z"},"pay":null,"html_url":"https://alion.io/job/cshark-lead-net-developer-full-stack","json_url":"https://alion.io/job/cshark-lead-net-developer-full-stack.json","meta":{"generated_at":"2026-10-13T22:51:50Z","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":34883,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-14T00:00:00Z"}},"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":1383},"rest":"https://alion.io/mcp/rest/get_company?id=1383"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcshark-lead-net-developer-full-stack"},{"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%2Fcshark-lead-net-developer-full-stack"},{"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%2Fcshark-lead-net-developer-full-stack"},{"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/cshark-lead-net-developer-full-stack\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcshark-lead-net-developer-full-stack"}]}