{"schemaVersion":"jobsearcher.job.v1","id":"312dd1a054b164a7c1fa1389","url":"https://jobsearcher.com/jobs/312dd1a054b164a7c1fa1389","canonicalUrl":"https://jobsearcher.com/jobs/312dd1a054b164a7c1fa1389","title":"Senior JavaScript / TypeScript Engineer","description":"Senior JavaScript / TypeScript Engineer Overview Company | Exchange technology & capital markets infrastructure\r\nPosition | Senior JavaScript / TypeScript Engineer\r\nImpact | Build software used to trade, monitor and manage live financial markets\r\nSize | ~200 people globally\r\nStack | JavaScript, TypeScript, React, Python APIs\r\nLocation | London\r\nHybrid | 3 days per week in the office\r\nOffer | Competitive salary + bonus\r\nBenefits | Private medical, 25 days leave, pension, bonus, enhanced family policies, life assurance, income protection, flexible working hours, cycle to work scheme and more.\r\nThe Work Some frontend engineering jobs are about dashboards and admin panels.\r\nThis one isn't.\r\nYou'll be building applications used to operate and monitor live trading infrastructure across multiple financial markets. The systems process large volumes of data and need to remain clear, reliable and responsive at all times.\r\nYou'll work closely with product engineers, infrastructure specialists and QA to build the interfaces used to control complex trading technology. That means turning large streams of market data into tools traders and operators can actually use.\r\nYou'll also get the space to shape how things are built.\r\nYou'll contribute to architecture decisions, guide more junior engineers and work with designers to turn wireframes into applications that feel fast and intuitive even when handling large volumes of information.\r\nThe engineering group you'll join is small enough that your ideas will be heard, but experienced enough that you'll always have strong people around you to challenge and support your thinking.\r\nAnd the problems you'll work on aren't theoretical.\r\nYour code will sit directly alongside real market infrastructure used by trading firms across Europe.\r\nWhat you'll be doing Building responsive frontend applications in JavaScript / TypeScript with React\r\nTurning complex market and operational data into clear user interfaces\r\nWorking with Python APIs and backend services\r\nCollaborating with UX designers to bring wireframes into production systems\r\nReviewing code and guiding engineers earlier in their careers\r\nImproving testing, reliability and engineering standards across the platform\r\nWhat you'll need To do this well, you'll likely bring:\r\nStrong JavaScript / TypeScript experience with React\r\nAround 5+ years building frontend applications\r\nExperience working on data-heavy applications\r\nSolid understanding of HTML, CSS and modern web fundamentals\r\nExperience with testing, CI/CD and version control\r\nIt helps if you've worked in financial markets or trading systems before, but it isn't essential.\r\nIf you understand how to build reliable applications that handle complex data, you'll be able to learn the domain.\r\nInterview Process | CV Review ? Intro Call ? Technical Discussion ? Final Interview ? Offer\r\nIf this sounds like the kind of engineering environment you enjoy, apply and we'll arrange a confidential conversation to talk through the details.\r\nJ-18808-Ljbffr","company":"Oceanredpartners","rawCompany":"oceanredpartners","city":"New York","state":"NY","isRemote":false,"isActive":false,"createdAt":"2026-04-09T15:49:44.153Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior JavaScript / TypeScript Engineer","description":"Senior JavaScript / TypeScript Engineer Overview Company | Exchange technology & capital markets infrastructure\r\nPosition | Senior JavaScript / TypeScript Engineer\r\nImpact | Build software used to trade, monitor and manage live financial markets\r\nSize | ~200 people globally\r\nStack | JavaScript, TypeScript, React, Python APIs\r\nLocation | London\r\nHybrid | 3 days per week in the office\r\nOffer | Competitive salary + bonus\r\nBenefits | Private medical, 25 days leave, pension, bonus, enhanced family policies, life assurance, income protection, flexible working hours, cycle to work scheme and more.\r\nThe Work Some frontend engineering jobs are about dashboards and admin panels.\r\nThis one isn't.\r\nYou'll be building applications used to operate and monitor live trading infrastructure across multiple financial markets. The systems process large volumes of data and need to remain clear, reliable and responsive at all times.\r\nYou'll work closely with product engineers, infrastructure specialists and QA to build the interfaces used to control complex trading technology. That means turning large streams of market data into tools traders and operators can actually use.\r\nYou'll also get the space to shape how things are built.\r\nYou'll contribute to architecture decisions, guide more junior engineers and work with designers to turn wireframes into applications that feel fast and intuitive even when handling large volumes of information.\r\nThe engineering group you'll join is small enough that your ideas will be heard, but experienced enough that you'll always have strong people around you to challenge and support your thinking.\r\nAnd the problems you'll work on aren't theoretical.\r\nYour code will sit directly alongside real market infrastructure used by trading firms across Europe.\r\nWhat you'll be doing Building responsive frontend applications in JavaScript / TypeScript with React\r\nTurning complex market and operational data into clear user interfaces\r\nWorking with Python APIs and backend services\r\nCollaborating with UX designers to bring wireframes into production systems\r\nReviewing code and guiding engineers earlier in their careers\r\nImproving testing, reliability and engineering standards across the platform\r\nWhat you'll need To do this well, you'll likely bring:\r\nStrong JavaScript / TypeScript experience with React\r\nAround 5+ years building frontend applications\r\nExperience working on data-heavy applications\r\nSolid understanding of HTML, CSS and modern web fundamentals\r\nExperience with testing, CI/CD and version control\r\nIt helps if you've worked in financial markets or trading systems before, but it isn't essential.\r\nIf you understand how to build reliable applications that handle complex data, you'll be able to learn the domain.\r\nInterview Process | CV Review ? Intro Call ? Technical Discussion ? Final Interview ? Offer\r\nIf this sounds like the kind of engineering environment you enjoy, apply and we'll arrange a confidential conversation to talk through the details.\r\nJ-18808-Ljbffr","datePosted":"2026-04-09T15:49:44.153Z","dateModified":"2026-04-09T15:49:44.153Z","hiringOrganization":{"@type":"Organization","name":"Oceanredpartners","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"New York","addressRegion":"NY","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"312dd1a054b164a7c1fa1389"},"url":"https://jobsearcher.com/jobs/312dd1a054b164a7c1fa1389"}}