{"id":939358,"url":"https://alion.io/job/caxton-senior-software-engineer-c-net-team-lead","title":"Senior Software Engineer (C# / .NET) - Team Lead","company":{"id":669048,"name":"Caxton","domain":"caxton.com","url":"https://alion.io/company/caxton-2","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"A","score":93,"open_postings":16,"ghost_share":0,"stale_share":0.5,"repost_share":0,"time_to_fill_p50_days":15,"computed_at":"2026-11-08T05:47:12Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":96000,"max_usd":193000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":54},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Amazon EC2","optional":false},{"name":"AWS","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false}],"status":"closed","first_seen_at":"2026-09-15T20:27:04Z","employer_posted_date":"2026-09-15","last_verified_at":"2026-11-02T11:46:54Z","board_verified":false,"closed_at":"2026-11-02T11:46:54Z","days_open":47,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":47},"description":"About Caxton Associates:\nCaxton Associates, founded in 1983, is a global trading and investment firm with offices in London, New York, Singapore, Monaco, Dubai and Bengaluru. Caxton Associates’ primary business is to manage client and proprietary capital through a suite of products designed to fit the specific needs of investors. Employing a multi-portfolio manager framework, Caxton excels in discretionary global macro investing, leveraging its diversified expertise across asset classes and markets.\nAbout the role:\nWe are seeking an experienced Software Engineer to lead a team within our London-based Software Development group. This is a hands-on leadership role combining system design, delivery ownership, and team development. The team builds and maintains services and applications that support trading, compliance, and operations across the firm. You will work closely with various Technology and Operations teams across London, Bengaluru and New York.\nResponsibilities:\nLead, mentor, and develop a small team of engineers\nDesign and build scalable, maintainable distributed systems in C#/.NET \nOwn delivery across multiple concurrent projects and priorities \nDrive best practices in testing, CI/CD, and software quality \nCollaborate with technical and business stakeholders across regions \nContribute to architecture and long-term platform direction\nAct as the technical point of contact for the team\nRequirements\n8+ years of software development experience with C# and the .NET stack\nProven experience leading or mentoring software engineers\nStrong track record building reliable, production-grade systems\nSolid understanding of distributed systems and architectural patterns (event-driven, layered, client-server)\nExperience with Python and its ecosystem\nExperience with CI/CD and modern development workflows\nStrong SQL and relational database skills\nAbility to manage multiple priorities effectively \nStrong communication skills with both technical and non-technical stakeholders\nExposure to financial products and market data (e.g. Bloomberg, Reuters)\nDisplays and operates at the highest degree of ethics and integrity\nThe following would be highly beneficial:\nKnowledge of finance, markets, order to trade life cycle\nExperience with Bloomberg market data APIs like SAPI, B-PIPE, Desktop API\nExperience with Docker and AWS (EC2, RDS)\nBachelor of Science Degree in Computer Science, Mathematics or a related field","description_format":"text","description_chars":2432,"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":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Hedge Funds & Alternative 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