26 to 50 of 333 Senior Developer Jobs in London

Senior Python Developer (Storage/Platform) £850 per day (Inside IR35) 12-Month Contract (Highly Likely Extension) London - Hybrid (3/4 Days Onsite) We are partnering with a highly regarded organisation operating within the financial sphere, seeking a Senior Python Developer to join a high ...

Senior Python Developer Overview Company Name: Adecco UK Job Role: Senior Python Developer Qualifications: Not specified Category: I Job Type: Full Time Location: London, Greater London, United Kingdom The role Senior Python Developer £675 daily inside IR35 6 months Hybrid working (2 days ...

Senior ServiceNow Developer - Permanent - London (hybrid) - £85,000 to 95,000 per annum A fantastic opportunity has arisen for a Senior ServiceNow Developer to join a London-based global law firm. Key Responsibilities Translate business requirements into functional and technical ServiceNow solution designs. Design, configure ...

Career Opportunities: Senior Developer (19144) Requisition ID 19144 -Posted 10/29/2026 - Technology (50000000) - IT Development (60000409) - Wood Street (14402) - Information Technology - Permanent - Full Time - City of London – and Greater London Salary : Competitive plus comprehensive benefits package Grade: 3A Reporting Line: Lead Developer Contract Type … Permanent Working pattern: Hybrid Location: London Closing Date : 12th November 2026 What to expect Senior developers will be responsible for building, maintaining and supporting our internal applications. As a team member in the nascent Digital & Branch Engineering function this role will help deliver new applications and service ...

Senior .Net Developer, C#/VB.Net, API, SQL, NW London to £85K A Back End Developer is required to join this established financial software house based in North London. They work with some of the leading brands in retail and media, offering financial management systems developed … house by their small dynamic team of tech professionals. Due to growth a Senior .Net Back End Developer is required with expertise in Visual Basic .NET, C#, SQL Server, and SAP Business One integration. The ideal candidate should have strong skills in RESTful API development, database optimization ...

Senior Full Stack Developer - Justice Redact Location: National* Closing Date: 15th November Interviews: 2/3/4 December Grade: 7 (MoJ candidates who are on a specialist grade, will be able to retain this grade on lateral transfer) Salary (for more details, please read further down) **: London … South Colonnade, E14 4PU. We are no longer recruiting to 102 Petty France, SW1H 9AJ. The Role We’re recruiting for a Senior Full Stack Developer here at Justice Digital, Data and Science to be part of our warm and collaborative Justice Redact team. You will help ...

Location: London, UK Employment Type: Full-time Work Model: Hybrid About the Role The Senior Developer, Core Services role is focused on building and supporting highly scalable backend systems for live and Video on Demand streaming services. The developer will work primarily with Java and Spring, developing ...

## Senior .Net DeveloperApplylocations: Londontime type: Full timeposted on: Posted 2 Days Agojob requisition id: JR1001433When you join EDF Trading, you’ll become part of a diverse international team of experts who challenge conventional ideas, test new approaches, and think outside the box.Energy markets evolve rapidly, so our team … title. As such, developers must be prepared to do their own analysis and testing in some situations, however they will be supported by Senior Developers and Business Analysts (BA) in the team. A BA will typically be involved in most cases, especially for larger items.In addition, developers are expected ...

Senior Developer Advocates are technical leaders and mentors that anchor our team. They own projects from beginning to end, facilitating collaboration and enabling Datadog's community to solve real-world problems. With a focus on Data Observability, this role will enable our community of engineers around Datadog … move fluidly between code, queries, and notebooks when exploring or demonstrating data systems. You also have: 10+ years of experience as a software developer, data engineer, SRE, or other practitioner building and maintaining production systems 3+ years of experience in advocacy, developer relations, or equivalent experience reaching technical ...

Senior Rust Developer - Staff Rust Developer UK Role type: Permanent Location: UK Preferred start date: ASAP LIFE AT SATALIA As an organisation, we push the boundaries of data science, optimisation and artificial intelligence to solve the hardest problems in industry. Satalia is a community of individuals devoted … full IaC in a GCP container environment Working with cutting-edge technologies in the machine learning, optimisation and AI spaces. SKILLS NEEDED: Experienced Software Developer Proven commercial experience developing with Rust. Strong proficiency in low latency data handling and data transformation. Solid understanding of distributed systems, scaling and resilience ...

systems that manage risk, create efficiency and improve transparency within the firm and across our broad community of investors and portfolio companies. Job Title: Senior Quant Developer Job Description: As a Senior Quantitative Developer, you will work on the quantitative platforms team focused on our risk … portfolio, trading and other data models. This Senior Quantitative Developer will be responsible for the building and implementation of models across various Equity and Fixed Income products including Real Estate, Asset Backed Securities, Credit, and Private Equity. You will sit in the Technology organization and work with various ...

passionate about developing your career, while helping others along the way, come join the Broadridge team.We are excited to announce an opportunity for a Senior Developer to join our organization as part of our AI Enablement Team. In this role, you will play a crucial role in Implementing … designing the solutions that enhance our AI capabilities across the organization, with a specific focus on GenAI projects.As a Senior Developer, you will be at the driving innovation and delivering cutting-edge solutions. Your expertise will contribute to the development of our platform, shaping its capabilities and providing ...

Senior Kotlin Developer | Gov Project | £475 p.d (Inside IR35) | Remote, UK (As this is a time sensitive contract hire, we're only able to consider candidates that are available to start within a 4 week notice period) Role : Senior Kotlin Developer Day Rate : £475 p.d (Inside … partnered with a leading tech consultancy that specialises in delivering complex and high-impact projects within central government. They re looking for a Senior Kotlin Developer with prior gov experience; somebody who can hit the ground running and join a significant ongoing programme of work with ...

enhancing a front office risk and valuation platform used in a fast paced, real time environment. The Role We are seeking a hands on Senior Developer to join a high impact technology team responsible for risk, valuation, and decision support systems. You will work across the full stack ...

Description We are looking for a hands-on Senior Developer with strong experience in .NET and React to join our team and build scalable, secure enterprise applications and APIs. United Kingdom Requirements Deep experience as a Full Stack Developer with .NET and React Good knowledge of REST ...

display and foster them,itsdeeply embedded within our DNA. Invest in us andwellinvest in you!. Job Description We are seeking an experienced Senior OutSystems Developer to oversee the design, development, and deployment of enterprise-grade applications using the OutSystems low-code platform. The successful candidate will have … proven track record of leading technical teams, delivering robust software solutions, and applying industry best practices in Agile environments. As a Senior Developer, you will take responsibility for ensuring quality standards, mentoring team members, and providing technical expertise in software development, systems design, and deployment. You will ...

deeply embedded within our DNA. Invest in us and we'll invest in you!. Job Description We are seeking an experienced Senior OutSystems Developer to oversee the design, development, and deployment of enterprise-grade applications using the OutSystems low-code platform. The successful candidate will have … proven track record of leading technical teams, delivering robust software solutions, and applying industry best practices in Agile environments. As a Senior Developer, you will take responsibility for ensuring quality standards, mentoring team members, and providing technical expertise in software development, systems design, and deployment. You will ...

Senior Applications Support Developer Up to £47,665 for 12-Month Fixed Term Assignment | Remote with Occasional Cheshire Travel Must have right to work in UK (Sponsorship not possible) We're looking for an experienced Senior Applications Support Developer to join a busy technology team supporting ...

deliver better outcomes for our customers, while ensuring that it is used responsibly, with appropriate human oversight, security and governance.Job DescriptionThe position of Senior Software Developer will be based at the NEC Bracknell office working on Oracle web-based applications supplied to both local authorities … will work as part of a team on new development projects as well as helping maintain and enhance existing client software applications. As a senior developer, you will be expected to be able to lead development projects build your business domain knowledge.On a daily basis you will ...

Senior Product Manager - External Developer Experience Reports to: Group Product Manager (Get Set Up & Build) Location: London Your Role We are looking for an experienced Senior Product Manager to own the experience of every developer who builds on Sokin. At Sokin, we are building a world … community is growing fast. We're building a team of exceptional people who share our ambition to transform the future of global payments. Senior Product Manager, External Developer Experience Increasingly, our clients and partners do not use Sokin through a screen: they build on it. They connect their ...

Senior Product Manager - External Developer Experience Reports to: Group Product Manager (Get Set Up & Build) Location: London Your Role We are looking for an experienced Senior Product Manager to own the experience of every developer who builds on Sokin. At Sokin, we are building a world … community is growing fast. We're building a team of exceptional people who share our ambition to transform the future of global payments. Senior Product Manager, External Developer Experience Increasingly, our clients and partners do not use Sokin through a screen: they build on it. They connect their ...

Senior Principal Platform Lead || Internal Developer Platform Full-time If you have built an Internal Developer Platform before, we want to talk to you — you will go straight to the top of the queue. If you have run a developer portal such as Backstage, Port, Cortex … Choreo, say so and tell us what was in the catalogue. This is one of the most senior individual contributor roles in platform engineering at IFS. You will set the direction for our Internal Developer Platform and then build it — owning the vision and executing it. So please ...

Senior AI Agent Developer Department: Applied R+D Employment Type: Permanent - Full Time Location: London Reporting To: Martha Tsigkari Description As a Senior AI Agent Developer at Foster + Partners , you will help shape the next generation of AI-enabled tools for the built environment. Working within ...

Senior Backend Developer Full-time Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels … systems and extensive datasets. Foster close collaboration with our Product, Data, Front-end, Platform, and Security teams. Knowledge and Skills: Demonstrated expertise as a Senior Backend Developer. Proficiency in Python as your primary language, or willingness to adapt. Hands-on experience with RESTful APIs and/or GraphQL. Proficiency ...

Type: Permanent/Contract (depending on engagement) Company: Talan Hybrid Working: 3 Days Per Week onsite About the Role Talan is seeking an experienced Senior KDB+ Developer to join a high-performing front-office technology team supporting Fixed Income electronic and algorithmic trading activities in London. You will … KDB+ development team delivering real-time analytics and trading capabilities with rapid feedback cycles and frequent releases. This is an excellent opportunity for a senior engineer who combines deep KDB+ expertise with strong analytical thinking and business-facing communication skills. You will also be expected to provide technical leadership ...