{"id":446618,"url":"https://alion.io/job/tp-icap-senior-software-engineer-back-end-2","title":"Senior Software Engineer (Back-End)","company":{"id":172489,"name":"TP ICAP Group","domain":"tpicap.com","url":"https://alion.io/company/tp-icap","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":87,"open_postings":15,"ghost_share":0,"stale_share":0.533,"repost_share":0,"time_to_fill_p50_days":49,"computed_at":"2026-10-24T06:02:35Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Belfast, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":76000,"max_usd":148000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":130},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"AWS","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"Copilot","optional":false},{"name":"GitHub","optional":false},{"name":"GitLab","optional":false},{"name":"JavaScript","optional":false},{"name":"MS SQL","optional":false},{"name":"MySQL","optional":false}],"status":"live","first_seen_at":"2026-06-19T00:00:00Z","employer_posted_date":"2026-06-19","last_verified_at":"2026-10-22T05:31:00Z","board_verified":false,"closed_at":null,"days_open":127,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":127},"description":"The TP ICAP Group is a world leading provider of market infrastructure.\nOur purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through responsible and innovative solutions.\nThrough our people and technology, we connect clients to superior liquidity and data solutions.\nThe Group is home to a stable of premium brands. Collectively, TP ICAP is the largest interdealer broker in the world by revenue, the number one Energy & Commodities broker in the world, the world’s leading provider of OTC data, and an award winning all-to-all trading platform.\nFounded in London in 1866, the Group operates from more than 60 offices in 27 countries. We are 5,200 people strong. We work as one to achieve our vision of being the world’s most trusted, innovative, liquidity and data solutions specialist.\nRole Overview\nAs a Senior Software Engineer at TP ICAP, you will play a key role in delivering business-critical software solutions supporting the internal broking division and its external client base.\nYou will operate within an Agile, cross-functional environment, contributing across the full software development lifecycle-from design through to implementation and post-release support. The role emphasises engineering excellence, continuous improvement, and scalable delivery, with a strong focus on automation, continuous integration, and deployment.\nRole Responsibilities\nCollaborate with Architects and Principal Engineers to design and deliver solutions aligned with the broader IT strategy and architectural vision.\n\nTake ownership of the design, development, and delivery of key features, ensuring high-quality outcomes and timely completion.\n\nPartner closely with QA to ensure robust testing practices and the consistent delivery of high-quality, defect-free software.\n\nChampion engineering best practices, including unit testing, code reviews, and maintainable design principles.\n\nLeverage AI-enabled development tools (e.g. Copilot, code assistants, automation tooling) to enhance productivity, code quality, and delivery velocity-within enterprise risk and control frameworks.\n\nContribute to continuous improvement by evaluating and adopting appropriate technologies, tools, and methodologies.\n\nDesign and deliver solutions that meet both functional and non-functional requirements (e.g. performance, scalability, resilience).\n\nSupport and mentor junior team members, fostering a collaborative and high-performing team environment.\n\nProactively communicate progress, risks, and dependencies, escalating impediments early to minimise delivery impact.\n\nExperience / Competences\nEssential\nExtensive experience (5+ years) as a Senior Software Engineer within a complex, delivery-focused environment.\n\nStrong expertise in .NET (C#) across modern .NET Framework and .NET Core environments.\n\nProven experience developing distributed, real-time systems and designing scalable system components.\n\nSolid experience with relational databases (e.g. MS SQL Server, MySQL), including schema design and optimisation.\n\nProficiency in WPF application development.\n\nHands-on experience with event-driven and asynchronous messaging architectures.\n\nExperience working with cloud platforms (preferably AWS), including deployment and management of cloud-based services.\n\nStrong understanding of CI/CD pipelines, version control (GitHub/GitLab), and package management.\n\nWorking knowledge of Agile methodologies and collaborative delivery across geographically distributed teams.\n\nDemonstrable understanding of AI capabilities and limitations in software engineering, with the ability to apply these responsibly within enterprise governance frameworks.\n\nStrong problem-solving skills, with a proactive, detail-oriented, and delivery-focused mindset.\n\nAbility to critically evaluate and challenge design decisions to drive optimal technical outcomes.\n\nExperience delivering proofs of concept (POCs) to validate technical approaches.\n\nCompetence in writing test tools, technical documentation, and supporting maintainable systems.\n\nDesired\nExperience within financial services/trading platforms and understanding of financial markets.\n\nKnowledge of the FIX protocol and experience managing FIX connectivity.\n\nExposure to Java and/or JavaScript.\n\nDeeper expertise in AWS services, including serverless architectures and microservices.\n\nExperience with TDD, BDD, or similar engineering practices for defining and validating requirements.\n\nBand & Level\nManager / 6\n\n#NIJobs #LI-Hybrid #LI-ASO\nNot The Perfect Fit?\nConcerned that you may not meet the criteria precisely? At TP ICAP, we wholeheartedly believe in fostering inclusivity and cultivating a work environment where everyone can flourish, regardless of your personal or professional background. If you are enthusiastic about this role but find that your experience doesn't align perfectly with every aspect of the job description, we strongly encourage you to apply. You may be the ideal candidate for this position or another opportunity within our organisation. Our dedicated Talent Acquisition team is here to assist you in recognising how your unique skills and abilities can be a valuable contribution. Don't hesitate to take the leap and explore the possibilities. Your potential is what truly matters to us.\nCompany Statement\nWe know that the best innovation happens when diverse people with different perspectives and skills work together in an inclusive atmosphere. That's why we're building a culture where everyone plays a part in making people feel welcome, ready and willing to contribute. TP ICAP Accord - our Employee Network - is a central to this. As well as representing specific groups, TP ICAP Accord helps increase awareness, collaboration, shares best practice, and holds our firm to account for driving continuous cultural improvement.\nLocation\nUK - City Quays - Belfast","description_format":"text","description_chars":5928,"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":[],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Stock Exchanges & Market Infrastructure","Financial Data & Market Intelligence"],"lifecycle":[{"event":"open","at":"2026-09-06T07:48:25Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"evidence":"Licensed UK visa sponsor (Senior or Specialist Worker, Skilled Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Global Business Mobility: Senior or Specialist Worker; Skilled Worker","cap_exempt":false,"checked_at":"2026-10-24T06:24:00+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":10,"band":"cold","label":"Long shot","p_open":0.9,"p_active":0.398,"p_room":0.28,"age_days":127,"expected_fill_days":49,"reasons":["conf:48","stale_co","velocity","win:tail","crowd:"],"computed_at":"2026-10-24T06:02:35Z"},"pay":null,"html_url":"https://alion.io/job/tp-icap-senior-software-engineer-back-end-2","json_url":"https://alion.io/job/tp-icap-senior-software-engineer-back-end-2.json","meta":{"generated_at":"2026-10-24T17:11:21Z","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":24925,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-25T00:00:00Z"}},"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":172489},"rest":"https://alion.io/mcp/rest/get_company?id=172489"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ftp-icap-senior-software-engineer-back-end-2"},{"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%2Ftp-icap-senior-software-engineer-back-end-2"},{"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%2Ftp-icap-senior-software-engineer-back-end-2"},{"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/tp-icap-senior-software-engineer-back-end-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ftp-icap-senior-software-engineer-back-end-2"}]}