876 to 900 of 1,046 Developer Jobs in London

React Native Developer (Expo) Secure Tech: Details: Type: Contract. Hybrid: London. Market rate: Daily (Outside IR35) Start date: ASAP Company and role: Our client is seeking a React Native Contractor to help shape the future of secure communication. Youll be joining a lean, highly technical team focused on building the next-gen in the "Secure Tech" focused industry with real … impact and purpose. Key responsibilities: React Native Developer (Expo) Secure Tech Build performant, secure mobile applications using React Native (Expo), Kotlin, and Swift. Integrate with Gmail APIs, manage OAuth2 flows, and handle MIME payloads. Implement responsive UIs from Figma designs. Contribute to architecture, automated testing, and CI/CD pipelines. What we're looking for: React Native Developer (Expo) Secure More ❯

C++ Developer - Pricing - Investment Banking A leading Investment Bank are looking to continue their buildout of their FX Options Desk, expanding their bespoke pricing and booking platform. This is a proprietary platform written predominantly in C++, which faces off directly to the traders. They are looking for someone to: Expand their current pricing infrastructure capacity. Take requirements directly from business More ❯

Career Opportunities: Graduate Software Developer (10200) Requisition ID 10200 -Posted - Years of Experience (1) - Technology - Where (1) - Job Reply specialises in the design and implementation of solutions based on new communication channels and digital media. As a network of highly specialised companies, Reply defines and develops business models enabled by the new models of AI, big data, cloud computing, digital … ll have an opportunity to work on projects with some of the best brands in the world. Start date will be Summer/Autumn 2025. Responsibilities: As a software developer, you'll develop new systems and applications on the basis of detailed specifications which will includedesigning, coding and debugging of applications Defining and documenting operating procedures You'll createtechnical design More ❯

Role : VisionPLUS Developer Location: London Job Type: Contract Experience Level: 8+ years Domain: Banking/Financial Services (Credit Cards, Payments) Job Summary: We are looking for an experienced VisionPLUS Developer to join our team in supporting, enhancing, and customizing the VisionPLUS platform for card and payments processing. The ideal candidate should have hands-on experience with VisionPLUS modules and be More ❯

Senior D365 BC Developer- £75k Pearson Carter is currently working withan MS partner in the UK and looking to bring in a new senior member to their D365 BC development team. They offer an excellent salary of up to £75,000, depending on experience benefits, opportunities for progression and training! Get in touch if you're looking for your next More ❯

CRM Business Analyst/Developer (Microsoft Dynamics) Salary: Up to £50,000 Location: Hybrid (City of London) – 3 days in-office Industry - Membership Organisation Join a purpose-driven organisation transforming its CRM strategy Our client is a respected, membership professional body with 100+ years of heritage in supporting business professionals. They’re on a mission to elevate how data, systems More ❯

Sales/Business Developer for EA Solutions London, United Kingdom, Hybrid or Remote Job Type Full Time about the role We are seeking an experienced Sales/Business Developer for EA Solutions to drive revenue growth and expand market presence for our Enterprise Architect solutions. The ideal candidate will possess a deep understanding of enterprise architecture principles, coupled with a More ❯

Power BI Developer - MI & BI Reporting Setup Location: Hybrid - up to 2 days a week onsite - Reading or London Contract Length: 3-6 months (initially 3 months) Day Rate: £400-450 per day, Outside IR35 Overview We're seeking a Power BI Developer to establish MI & BI reporting from the ground up. Existing data is structured for operational use rather More ❯

Aircall, our integration partners are at the heart of our business and a driving force behind our growth and innovation. Our mission is to deliver the best-in-class developer experience-removing friction through intuitive onboarding, clear documentation, and robust, easy-to-use APIs. By putting the developer experience first, we'll empower builders to create high-quality integrations with … ease, laying the foundation for the strongest, most vibrant developer community and ecosystem in our space The Developer Advocate is a hybrid role focused on supporting our technology partners in building top-tier integrations while actively engaging with the broader developer community. Your expertise in APIs, and integrations will play a key role in inspiring and supporting our partners and … that developers are excited to build on-enabling us to grow engagement through helpful tutorials and code samples, inspiring events, dedicated community support, and a thriving, well-cared-for developer ecosystem. Key Responsibilities Support and guide partners and developers building, testing, and optimizing integrations with Aircall, providing insights, assets, and troubleshooting support as needed. Work closely with internal teams to More ❯

Boomi Integration Developer - 6 Months Contract - £500/Day (Outside IR35) - Remote Working (Tech stack: Boomi Integration Developer, ERP, WMS, API, REST, SOAP, JSON, XML, CSV, Programmer, Full Stack Engineer, Architect, Boomi Integration Developer) After 15 years' experience in the fashion industry, our client has a mission to change the way people find clothes they love by combining technology with … box full of stylish pieces from well-loved brands, selected in accordance with each customers' preselected unique fashion tastes.To achieve this, our client is looking for contract Boomi Integration Developer with experience in some or the following: ERP, WMS, API, REST, SOAP, JSON, XML and CSV. The initial contract will be written for 6 months and extended thereafter. Location: Remote More ❯

Contract Opportunity: Java Quant Developer - Curve Building & Pricing Infrastructure - Inside IR35 A leading investment bank in London is seeking a Contract Java Quant Developer to join a front office team focused on rebuilding a strategic curve construction and pricing platform. This role involves close collaboration with Quants and Traders to deliver a flexible, user-driven system for Interest Rate and More ❯

Senior Golang Developer– Ironic Workflow Automation London based/Hybrid- 2 days a week Contract Type 3–6 months About the Role Looking for a skilled Golang contractor to join a key client to accelerate the development of their server provisioning workflows. The role focus on automating OS deployments to physical machines using the OpenStack Ironic Golang SDK. Key Responsibilities More ❯

Senior Golang Developer– Ironic Workflow Automation London based/Hybrid- 2 days a week Contract Type 3–6 months About the Role Looking for a skilled Golang contractor to join a key client to accelerate the development of their server provisioning workflows. The role focus on automating OS deployments to physical machines using the OpenStack Ironic Golang SDK. Key Responsibilities More ❯

Blockchain Developer Position We are seeking a motivated Blockchain Developer passionate about cutting-edge technology and earning potential. This role is fully remote and involves working with technologies such as Blockchain, Ethereum, Tokens, Coins, C++, Java, Node.js, Go, Python, dYdX, Kyber, 0x, and MakerDAO. Role Description The position offers a salary of £130,000 and is with a high-profile … client, a global Prop Trading firm that values technological innovation, especially open-source solutions. We are urgently looking for a Blockchain Developer to join our client's team. More ❯

Quant Research/Python Developer ( (TOP HEDGE FUND!) ( TOP HEDGE FUND!) Looking for a challenging role in the Hedge Fund industry? Robert Half is proud to present this role in the market! Hybrid working role with 3days in the office and 2 days from home. Do you want to work for a TOP TEAM? Look no further and APPLY NOW … A high-performing multi-billion dollar Hedge Fund is Quant Research/Python Developer This individual will work on the build-out of risk management processes and analysis, then transition into the front office trading technology quantitative development team. The ideal candidate will have a strong background in quantitative finance, data analysis, and econometrics/statistics, as well as programming … teams to deliver solutions. Assist with the migration of legacy software to their future state applications. Key Responsibilities Address application issues in a timely manner. Quant Research/Python Developer Maintain and develop applications that support the business globally. Provide local application support and escalate as necessary to the global team. Ensure the applications and procedures in use are documented. More ❯

Copello are seeking a talented Software Developer to join a clientsdigital transformation journey. This role offers the opportunity to work within a small, agile team focused on building and enhancing internal applications using Microsoft Power Platform technologies. Key Responsibilities: Design, develop, and maintain Canvas and Power Apps applications. Collaborate with stakeholders to gather requirements and deliver effective technical solutions. Participate More ❯

Copello are seeking a talented Software Developer to join a clients digital transformation journey. This role offers the opportunity to work within a small, agile team focused on building and enhancing internal applications using Microsoft Power Platform technologies. Key Responsibilities: Design, develop, and maintain Canvas and Power Apps applications. Collaborate with stakeholders to gather requirements and deliver effective technical solutions. More ❯

We are seeking an experienced .NET developer to play a significant role in the full SDLC of a niche and highly respected range of solutions. If you are looking for an enjoyable and challenging role that will utilize your full spectrum of technical skills and ingenuity, this is the opportunity for you. Based in great offices in South London, you More ❯

Front end Developer Location: Hybrid (2 days per week in canary wharf office) Type: Contract or Freelance About WePlay WePlay is an award-winning sports marketing agency specialising in fan engagement, direct-to-consumer marketing, and monetisation. By blending creative innovation with performance-driven strategies, WePlay partners with leading sports organisations worldwide to drive digital growth and commercial success. With … a new analytics product for the sports and media sector. The core infrastructure and data integrations are already in place, and we’re now looking for a Front end Developer to help bring the user interface to life. You’ll be working with a pre-defined stack including React and Tailwind CSS, alongside embedded dashboards powered by a headless BI More ❯

Front end Developer Location: Hybrid (2 days per week in canary wharf office) Type: Contract or Freelance About WePlay WePlay is an award-winning sports marketing agency specialising in fan engagement, direct-to-consumer marketing, and monetisation. By blending creative innovation with performance-driven strategies, WePlay partners with leading sports organisations worldwide to drive digital growth and commercial success. With … a new analytics product for the sports and media sector. The core infrastructure and data integrations are already in place, and we’re now looking for a Front end Developer to help bring the user interface to life. You’ll be working with a pre-defined stack including React and Tailwind CSS, alongside embedded dashboards powered by a headless BI More ❯

On behalf of FCDO we are looking for an Oracle Report Developer (Inside IR35) for a 4 month contract. Hybrid working based in London or Milton Keynes. The Foreign, Commonwealth & Development Office (FCDO) pursues our national interests and projects the UK as a force for good in the world. We promote the interests of British citizens, safeguard the UK's … security, defend our values, reduce poverty, and tackle global challenges with our international partners. This role is a 'hands-on' OBIEE/OBIA/OACS developer and requires working with others to specify, design and implement the reporting technical and dashboard/report requirements for the Hera Service, this involves developing, validating and reviewing conceptual, logical and physical report designs. … As an Oracle Report Developer your main responsibilities will be to: . Execute data flows by using Oracle Database Cloud. . Create scalable data flows including ingestion, transformation, and persistence. . Create connections and data sources for drill-through, data loads and dimension builds. . Collect collaborative data, create scenarios, and perform what-if analysis using Smart View. . Build More ❯

Register Your Interest - IT Developer Analyst Student Placement Do you want to be at the forefront of innovation within a global healthcare leader? Join our dynamic IT team as a placement student and play a pivotal role in developing and maintaining cutting-edge IT systems that drive productivity and innovation. Collaborate with international teams, leverage AI technologies, and enhance your More ❯

We have an exciting new opening available for a Freelance Back-end Developer to start asap. Timings : start by the 4th August for two weeks with the option to extend Location: Remote but must be based in the UK Essential skills for this role include: - 5 years as a Back-end Developer - Knowledge of C#, Umbraco 9-13 and Azure More ❯

SFMC Campaing Developer A leading marketing consultancy that currently works alongside a number of global corporations such as ITV, Samsung and TUI (to name a few) is currently hiring a Technical Consultant (SFMC) with 1 to 3 years’ experience in designing workflows, campaigns and communication strategies within SFMC. The chosen candidate will also be given a chance to gain experience More ❯

Backbone Network Business Developer, EMEA, GCNA, Backbone Network Development Job ID: Amazon Data Services UK Limited This position can be based in Dublin or London. Today, Amazon Web Services provides a highly reliable, scalable, low-cost infrastructure platform in the cloud that powers hundreds of thousands of businesses in 190 countries around the world. The AWS Cloud infrastructure is built … would you like to come be part of the team that builds out that low latency, high throughput, and highly redundant network? AWS is seeking an exceptional Backbone Network Developer to help architect and scale one of the world's most sophisticated networks. As a key member of our Backbone Network Development organization, you will drive innovation in network scaling More ❯