{"id":584933,"url":"https://alion.io/job/clearstreet-dev-senior-software-engineer-futures-and-options-execution-services","title":"Senior Software Engineer - Futures and Options Execution Services","company":{"id":326786,"name":"Clear Street","domain":"clearstreet.io","url":"https://alion.io/company/clearstreet","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":79,"open_postings":7,"ghost_share":0,"stale_share":0.857,"repost_share":0,"time_to_fill_p50_days":49,"computed_at":"2026-11-05T05:54:30Z"}},"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":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":93000,"max_usd":181000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":139},"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":true},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"Java","optional":true},{"name":"Kubernetes","optional":true},{"name":"Rust","optional":true}],"status":"live","first_seen_at":"2026-09-08T19:56:36Z","employer_posted_date":"2026-09-15","last_verified_at":"2026-11-05T15:56:16Z","board_verified":true,"closed_at":null,"days_open":57,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":57},"description":"About Clear Street\nClear Street’s mission is to give every sophisticated investor access to every asset, in every market, through a unified platform built for speed, transparency and scale.\nWe give our clients the technology, tools, and service once reserved for the largest institutions, rebuilt with modern infrastructure. Our single, cloud-native, end-to-end capital markets platform powers investor growth today and is transforming how they can interact with markets tomorrow.\nFor more information, visit https://clearstreet.io.\nThe Role\nAs a Senior Software Engineer on Clear Street’s futures and options execution services team, you’ll play a key role in designing and building the next generation of our Clear Street futures and options EMS platform from the ground up. You’ll develop a high-performance platform that brings together real-time market data, low latency exchange connectivity and execution, robust risk controls, and advanced trading capabilities within a fast, responsive web interface. Working closely with cross-functional partners, you’ll contribute to large-scale, high impact initiatives that enhance our prime brokerage offering and help shape the future of the Clear Street trading experience.\nWhat You’ll Do\nYou will be building a brand new EMS platform for Listed Futures and Options.\nTranslate product and design requirements into clean, maintainable and well-tested components.\nCollaborate closely with product managers, business, traders, designers and back-end engineers to deliver high-quality experiences.\nIdentify and resolve performance, accessibility, and usability issues across the application.\nParticipate in code reviews, contribute to shared component libraries, and help uphold our engineering standards.\nSupport the operational health of your features and help maintain a high SLA.\nThe Team\nYou will work with a team of talented, passionate and highly collaborative engineers. Working together, we have built a platform that serves institutional clients and is at the forefront of technological innovation. Our engineers take pride in not just the value we provide our customers but the quality of our work. You will have the opportunity to work with cutting-edge technologies, collaborate with colleagues from diverse backgrounds, and make a meaningful impact on the financial industry. We value creativity, innovation, strong work ethics, and we are committed to providing our team members with the support and resources they need to succeed.\nTech Stack\nJava and/or Rust, AWS, FIX protocol, Kafka , Kubernetes and Cloud (AWS or Azure).\nWhat We’re Looking For\n8+ years of professional software engineering experience using Java. \nAt least 4 years of experience working with modern technologies, including a proven track record operating at Senior Engineer level.\nHands-on experience building and supporting low-latency, front-office trading systems.\nDeep understanding of execution management systems (EMS), including their core functionality and workflows.\nStrong knowledge of software design patterns, data structures, and algorithms.\nA collaborative mindset and a preference for working in team-oriented environments.\nA strong commitment to engineering quality, reliability, and high development standards.\nPassion for delivering a best-in-class developer experience, with a focus on tooling, performance, and maintainability.\nWhat We Offer\nAt Clear Street, we offer competitive compensation packages, company equity, pension, gender-neutral parental leave, and full medical and dental insurance. Our belief has always been that we are better as a business when we are all together in person. As such, we require employees to be in the office a minimum of three days per week.\nOur top priority is our people. We’re continuously investing in a culture that promotes collaboration. We help each other through challenges and celebrate each other’s successes. We believe that modern workplaces succeed by virtue of having high-performance workforces that are diverse in ideas, in cultures, and in experiences. We put in the effort to make such a workplace a daily reality and are proud to be an equal opportunity employer.","description_format":"text","description_chars":4170,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Dental insurance","Equity","Parental leave"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Stock Exchanges & Market Infrastructure","Online Brokerage & Trading Platforms"],"lifecycle":[{"event":"open","at":"2026-09-10T02:36:53Z"}],"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":"2026-11-05T06:29:30+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":46,"band":"ok","label":"Likely open","p_open":1,"p_active":0.844,"p_room":0.55,"age_days":57,"expected_fill_days":49,"reasons":["conf:0","velocity","win:tail"],"computed_at":"2026-11-05T05:54:30Z"},"pay":null,"html_url":"https://alion.io/job/clearstreet-dev-senior-software-engineer-futures-and-options-execution-services","json_url":"https://alion.io/job/clearstreet-dev-senior-software-engineer-futures-and-options-execution-services.json","meta":{"generated_at":"2026-11-05T18:36:09Z","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":24599,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-06T00:00:00Z"}},"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":326786},"rest":"https://alion.io/mcp/rest/get_company?id=326786"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fclearstreet-dev-senior-software-engineer-futures-and-options-execution-services"},{"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%2Fclearstreet-dev-senior-software-engineer-futures-and-options-execution-services"},{"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%2Fclearstreet-dev-senior-software-engineer-futures-and-options-execution-services"},{"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/clearstreet-dev-senior-software-engineer-futures-and-options-execution-services\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fclearstreet-dev-senior-software-engineer-futures-and-options-execution-services"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":584933}},{"tool":"search_jobs","arguments":{"company":"clearstreet.io","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":584933},"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. Docs: https://alion.io/developers"}}