{"id":67416,"url":"https://alion.io/job/blockchain-com-senior-back-end-engineer-trading-platform","title":"Senior Back-End Engineer, Trading Platform","company":{"id":4744,"name":"Blockchain.com","domain":"blockchain.com","url":"https://alion.io/company/blockchain-com","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":90,"open_postings":38,"ghost_share":0.079,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":80,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"hybrid","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":90000,"max_usd":174000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":139},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Python","optional":false},{"name":"Rust","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-05-14T13:48:08Z","employer_posted_date":"2026-08-24","last_verified_at":"2026-10-31T14:43:02Z","board_verified":true,"closed_at":null,"days_open":170,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":169},"description":"Blockchain is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions.\nWe are looking to hire a Senior Software Engineer to join our Institutional team in our London office. Blockchain.com is a high-performance culture marked by fearlessness and hyper productivity. You are a hardworking team player with a desire to learn and grow with us, someone who can work harder, faster, and smarter to deliver tangible results and process improvements.\n WHAT YOU WILL DO \nBuild low latency, scalable and highly performant trading services in RUST including Order Management System (OMS), exchange gateways, risk management systems, etc.\nEnhance and maintain OMS functionality, ensuring efficient order execution, routing, and management in a high-frequency trading environment.\nBe a part of a fast-paced dedicated engineering team committed to constantly improving and iterating on cutting edge systems\nBe at the forefront of the cryptocurrency exchange ecosystem building out a new set of financial services, systems and architecture.\nGain exposure to an array of low latency, high throughput techniques and algorithms.\nEnsure security is at the forefront of everything you do, employing advanced encryption schemes to secure user and company data.\nWork closely with the other tech teams to seamlessly deliver the highest quality products and improve performance across the board\nWHAT YOU WILL NEED\nYou possess an innate curiosity, and thrive on learning new technologies.\nExtensive experience in C++ and/or Rust\nExperience with Python and SQL.\nExperience in one or more of the following programming areas:\nMultithreading\nNetwork programming, including multicast\nPerformance benchmarking and tuning\nExtreme interest in delivering high quality software. This means that testing is embedded in the development process from the very beginning, from coding stage (unit testing), to integration testing (local and end to end integration testing), to performance (load and capacity) testing and finally, to failure recovery testing. Software engineers are fully involved in the testing process, driving much of the testing at all stages.\nExperience in trading systems architecture: Familiarity with Order Management Systems (OMS), exchange gateway connectivity, market data ingestion and processing, as well as high-throughput, low-latency systems.\nYou take a pragmatic approach to developing clean solutions to complex problems.\nBasic understanding of algorithms, data structures, databases and distributed systems is must.\nCOMPENSATION & PERKS\nFull-time salary based on experience and meaningful equity in an industry-leading company\nRole based in our London office, with a mandatory in-office presence four days per week\nWork from Anywhere Policy: You can work remotely from anywhere in the world for up to 20 days per year.\nClassPass \nBudgets for learning & professional development \nUnlimited vacation policy; work hard and take time when you need it\nApple equipment\nThe opportunity to be a key player and build your career at a rapidly expanding, global technology company in an emerging field\nFlexible work culture \nBlockchain is committed to diversity and inclusion in the workplace and is proud to be an equal opportunity employer. We prohibit discrimination and harassment of any kind based on race, religion, color, national origin, gender, gender expression, sex, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law. This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, and apprenticeship. Blockchain makes hiring decisions based solely on qualifications, merit, and business needs at the time.\nThe personal data you provide will be used by Blockchain to process your application. To learn more about your rights, see our Applicant Privacy notice.","description_format":"text","description_chars":4232,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"phd","optional":false},"security_clearance":false,"languages":[]},"benefits":["Equity","Flexible schedule","Professional development"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Cryptocurrencies","Crypto Exchanges","Crypto Wallets"],"lifecycle":[{"event":"open","at":"2026-05-14T13:48:08Z"}],"visa":[],"liveness":{"score":19,"band":"cold","label":"Long shot","p_open":1,"p_active":0.675,"p_room":0.28,"age_days":169,"expected_fill_days":80,"reasons":["conf:2","win:tail","crowd:"],"computed_at":"2026-10-31T05:58:55Z"},"pay":null,"html_url":"https://alion.io/job/blockchain-com-senior-back-end-engineer-trading-platform","json_url":"https://alion.io/job/blockchain-com-senior-back-end-engineer-trading-platform.json","meta":{"generated_at":"2026-10-31T15:23:09Z","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":24007,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-01T00:00:00Z"}},"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":4744},"rest":"https://alion.io/mcp/rest/get_company?id=4744"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fblockchain-com-senior-back-end-engineer-trading-platform"},{"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%2Fblockchain-com-senior-back-end-engineer-trading-platform"},{"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%2Fblockchain-com-senior-back-end-engineer-trading-platform"},{"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/blockchain-com-senior-back-end-engineer-trading-platform\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fblockchain-com-senior-back-end-engineer-trading-platform"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":67416}},{"tool":"search_jobs","arguments":{"company":"blockchain.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":67416},"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"}}