76 to 100 of 102 Senior Developer Jobs in London

Senior C#/.NET Developer - Financial Technology (Risk & Financing Platforms) Pay Rate: £600-£650 (Inside IR35 via umbrella) Location: London - 3/4 days per week (with flexibility) Duration: 6 Months (due to be extended) A leading global financial institution is expanding its engineering group and is looking ...

Salesforce Developer/Technical Lead (Service Cloud) Location: London Bridge (2 days office-based, 3 days remote working) Salary: Up to £85,000 (dependent on experience) Organisation: Hyde Group About the Role We are seeking a skilled and motivated Salesforce Developer/Technical Lead to join our Technology ...

partnering with one of London’s most selective and highest-performing quantitative investment funds to appoint a Senior Quant Software Developer to their core systematic trading group. This is a confidential mandate for a team renowned for world-class engineering standards, scientific rigour, and a culture built around … high-performance software development — with code that moves rapidly from prototype to production and directly influences trading performance. The Role As a Quant Developer, you will: Collaborate closely with quant researchers to productionise models and design scalable research/tooling infrastructure Develop high-performance, robust code across Python ...

currently working with a London-based financial services client who are actively seeking 3 Senior Java developers to assist in the development and maintenance of a business-critical system in the Equity Derivatives space. What you'll need to succeed : 10+ years' server side Java development experience. Strong commercial ...

thats modernising processes with AI-driven automation or mentoring the next generation of talent through our academy. The Role We are looking for a Senior Intelligent Automation & Low-Code Developer with a strong focus on Microsoft Power Platform and Copilot technologies. Youll play an important role in designing ...

currently working with a London-based financial services client who are actively seeking a Senior Fullstack Python Developer to work on the development of a next-generation research platform. What you'll need to succeed : Strong Python software engineering experience beyond exploratory scripts Hands-on experience working with ...

currently working with a London-based financial services client who are actively seeking a Senior Fullstack Python Developer to work on the development of a next-generation research platform. What you'll need to succeed : Strong Python software engineering experience beyond exploratory scripts Hands-on experience working with ...

Description I am currently working with a London-based financial services client who are actively seeking a Senior Fullstack Python Developer to work on the development of a next-generation research platform.What you'll need to succeed: Strong Python software engineering experience beyond exploratory scripts Hands-on experience ...

Senior C#/.NET Developer - Financial Technology (Risk & Financing Platforms) Pay Rate: £600-£650 (Inside IR35 via umbrella) Location: London - 3/4 days per week (with flexibility) Duration: 6 Months (due to be extended) A leading global financial institution is expanding its engineering group and is looking ...

SeniorAzureIntegrationDeveloper London Hybrid £65k-95k+bonus+excellentbenefits We are hiring a Senior Azure Integration Developer to join a Business Applications team within a leading financial services environment. This is a hands-on engineering role focused on designing, building and maintaining integrations across the Microsoft Azure ecosystem to support critical business ...

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 ...

Description I am 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 ...

contributing to high-impact projects. You will support innovation, mentor team members, and help improve operational performance and customer outcomes. The Role As a Senior BY Dispatcher WMS Engineer, you will lead the design, configuration, and optimisation of warehouse management systems. You’ll ensure smooth inbound and outbound logistics ...

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. ...

Description Phoenix Community Housing is looking for a hands-on Solutions Developer to develop and maintain complex solutions that digitise, automate, and enable the integration of existing processes in line with our business needs. We are looking for someone who can transform business requirements into the best possible business ...

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 ...

Job Description Our client is a tier 1 investment bank who are looking for a C# .Net developer. Tasks include understanding business requirements, designing applications, business data analysis, programming in Visual C#.NET using both Oracle ...

Our client is a tier 1 investment bank who are looking for a C# .Net developer. Tasks include understanding business requirements, designing applications, business data analysis, programming in Visual C#.NET using both Oracle and SQL ...

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 ...

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 ...