76 to 86 of 86 Senior Developer Jobs in London

that performs real‐time portfolio valuation, alongside other components that will be integrated into a cohesive, modernised core platform. You will work closely with senior stakeholders including the CTO, COO, Head of Operations, and Project Management. Candidate Profile Domain Expertise Strong background in fixed‐income trading systems Knowledge across ...

currently working with a Tier 1 Investment Bank who are actively seeking multiple Senior Software Developers who are proficient in both Java and Python. What you'll need to succeed : Extensive hands-on development with both Java and Python Strong financial services background, ideally within investment banking Strong cloud ...

have Svelte, Web Components or other framework experimentation. Experience with auth flows (OAuth2, OpenID Connect) and secure front‐end patterns. Prior work on B2B developer tools or dashboards at the seed‐to‐Series‐B stage. What’s on offer £80,000–£100,000 base + annual company performance bonus. ...

TheOpportunity Wearepartneringwithaninnovativeandfast-growingtechnologybusinesstorecruita SeniorFrontendDeveloper withdeepexpertisein ReactandReactNative . Thisisakeyhirewithintheengineeringteam,suitedtosomeonewhocan takeownershipofcorefrontendareas ,workindependently,andconfidentlydelivercomplexfeaturesfromdevelopmentthroughtorelease. KeyResponsibilities Developandmaintain webapplications(React/Next.js) and mobileapps(ReactNative/Expo) Takeownershipoffeaturesfromconceptthroughto productionrelease(includingAppStoredeployment) Designandimplement robustfrontendarchitectureandintegrationlayers Manageauthenticationflowsusing MSAL Collaboratecloselywithbackendteamsworkingon Node.jsmicroservices Supportdeploymentandconfigurationacrossenvironmentsusing Azure KeyRequirements ...

SeniorPythonDeveloper(PYTHON/AWS/REACT)-healthtech - tech for good - make a positive impact on the world. HighlysuccessfulandfastgrowingorganisationhasanexcitingopportunityforaSeniorPythonDeveloper(PYTHON/AWS/REACT. Theyarelookingforatalentedindividualwhowilldesign,implement,andmaintaintheirpublishingsoftware,systems, andcustomer-facingdigitalproducts. Requirements Designandimplementsystemsandsoftwaretomeetrequirementsusingappropriatetoolsandmethods. Promotethecreationofhigh-qualitycodebycommitmenttopracticessuchastest-drivendevelopment,pairprogrammingandcodereview. ...

Want to work at a hedge fund that is expanding within systematic trading? This is a high-impact role where you’ll collaborate closely with traders and portfolio managers to develop cutting-edge trading systems ...

Robert Half have partnered with a high growth sports manufacturing organisation based in London who are looking to engage an experienced Senior Backend Engineer to support the evolution of a live, transaction-driven platform as it scales internationally. This is an initial 6-month, Inside IR35 contract, focused … higher backend engineering standards Collaborating closely with frontend, mobile, and product teams to deliver global user experiences Skills: Extensive experience working as a Senior Backend Engineer in production environments Strong background designing and building distributed systems and APIs Proven experience building or scaling payment, ledger, or transaction systems Experience ...

currently working with a public sector client who are actively seeking 3 SC Cleared Senior Python Developers with strong Django experience. What you'll need to succeed : Extensive (10 years +) Python Development experience, ideally within the public sector. Active SC clearance is highly desirable, minimum expectation is previous ...

Description I am currently working with a public sector client who are actively seeking 3 SC Cleared Senior Python Developers with strong Django experience.What you'll need to succeed: Extensive (10 years +) Python Development experience, ideally within the public sector. Active SC clearance is highly desirable, minimum expectation ...

looking for a Python Developer with strong experience in trading and risk management systems within investment banking. The role involves building backend applications and data processing logic supporting risk calculations, trade workflows and reporting. Key Responsibilities Develop and enhance Python-based applications for trading and risk use cases Build ...

Proven experience in developing and delivering native iOS applications in commercial/production environments Strong proficiency in Swift , with a solid understanding of modern iOS development patterns and best practices Experience integrating mobile applications with ...