851 to 875 of 2,129 Developer Jobs in London

Salesforce Developer (SC Cleared) Location: London (Hybrid, 2–3 days per week on-site) Day Rate: £620 (Outside IR35) Contract: 6 Months (with likely extensions) Clearance: Active SC Clearance required (cannot start until clearance is transferred) Our client – a major global technology and consulting partner to UK Government departments – is seeking a Salesforce Developer to join a specialist Salesforce delivery … Familiar with Salesforce sharing model , automated testing tools (Provar, Selenium), and agile delivery methods . Excellent problem-solving, communication, and team collaboration skills. Certifications (highly desirable): Salesforce Certified Platform Developer Salesforce Certified Platform Administrator Salesforce Certified App Builder Salesforce Accredited Professional: Public Sector Solutions Security Clearance Active SC Clearance is essential. Candidates must have held clearance within the past More ❯

Salesforce Developer (SC Cleared) Location: London (Hybrid, 2–3 days per week on-site) Day Rate: £620 (Outside IR35) Contract: 6 Months (with likely extensions) Clearance: Active SC Clearance required (cannot start until clearance is transferred) Our client – a major global technology and consulting partner to UK Government departments – is seeking a Salesforce Developer to join a specialist Salesforce delivery … Familiar with Salesforce sharing model , automated testing tools (Provar, Selenium), and agile delivery methods . Excellent problem-solving, communication, and team collaboration skills. Certifications (highly desirable): Salesforce Certified Platform Developer Salesforce Certified Platform Administrator Salesforce Certified App Builder Salesforce Accredited Professional: Public Sector Solutions Security Clearance Active SC Clearance is essential. Candidates must have held clearance within the past More ❯

Senior Python Backend Developer - Python, AWS, Django Central London/Hybrid -one day in the office £75-85k + benefits Were seeking a topflight Senior Python Backend Developer with a strong software engineering background including 8-9+ years majoring in writing Backend applications using Python and Django (Rest Framework). This is a seriously weighty, complex, technically challenging … role; the successful Backend Developer will be 'red hot' on the core backend skill requirements. Demonstrably the 'go to' person in your role. The Python Backend Developer will be joining a team of 45 at a world-class healthcare scaleup. With each integration of a new hospital group there is an acceleration of the rapid scaling of patient user numbers … Deeper understanding of SQL Knowledge of front-end technologies such as Vue or React Experience with handling sensitive data (e.g. PII) Experience working in a startup environment Senior Backend Developer | Senior Backend Engineer | Senior Backend Python Developer | Senior Software Engineer More ❯

Backend Developer – Python Location: London (Hybrid, 2 days per week) Are you a talented Backend Developer looking for a role that offers real variety, technical challenge, and the chance to work on projects that make an impact? Our client is a highly regarded digital innovator, delivering complex, high-performance systems for some of the most recognisable brands in Europe. They … re seeking a Backend Developer – Python to join their growing engineering team, where you’ll be involved in a range of exciting projects spanning different industries and technologies. You’ll work in a collaborative, fast-moving environment, developing scalable backend services that power large-scale digital platforms, giving you the opportunity to sharpen your technical skills while gaining broad exposure … and cloud-native tools including Python, FastAPI, AWS, PostgreSQL, Django, Kubernetes, Terraform, and GitHub A culture that values technical excellence, continuous learning, and creative problem-solving The ideal Backend Developer – Python will have: Proven experience building and maintaining scalable backend systems using Python (any major framework) Solid knowledge of databases, OO design, data structures, and SOLID principles A proactive, analytical More ❯

Backend Developer – Python Location: London (Hybrid, 2 days per week) Are you a talented Backend Developer looking for a role that offers real variety, technical challenge, and the chance to work on projects that make an impact? Our client is a highly regarded digital innovator, delivering complex, high-performance systems for some of the most recognisable brands in Europe. They … re seeking a Backend Developer – Python to join their growing engineering team, where you’ll be involved in a range of exciting projects spanning different industries and technologies. You’ll work in a collaborative, fast-moving environment, developing scalable backend services that power large-scale digital platforms, giving you the opportunity to sharpen your technical skills while gaining broad exposure … and cloud-native tools including Python, FastAPI, AWS, PostgreSQL, Django, Kubernetes, Terraform, and GitHub A culture that values technical excellence, continuous learning, and creative problem-solving The ideal Backend Developer – Python will have: Proven experience building and maintaining scalable backend systems using Python (any major framework) Solid knowledge of databases, OO design, data structures, and SOLID principles A proactive, analytical More ❯

Backend Developer – Python Location: London (Hybrid, 2 days per week) Are you a talented Backend Developer looking for a role that offers real variety, technical challenge, and the chance to work on projects that make an impact? Our client is a highly regarded digital innovator, delivering complex, high-performance systems for some of the most recognisable brands in Europe. They … re seeking a Backend Developer – Python to join their growing engineering team, where you’ll be involved in a range of exciting projects spanning different industries and technologies. You’ll work in a collaborative, fast-moving environment, developing scalable backend services that power large-scale digital platforms, giving you the opportunity to sharpen your technical skills while gaining broad exposure … and cloud-native tools including Python, FastAPI, AWS, PostgreSQL, Django, Kubernetes, Terraform, and GitHub A culture that values technical excellence, continuous learning, and creative problem-solving The ideal Backend Developer – Python will have: Proven experience building and maintaining scalable backend systems using Python (any major framework) Solid knowledge of databases, OO design, data structures, and SOLID principles A proactive, analytical More ❯

Backend Developer – Python Location: London (Hybrid, 2 days per week) Are you a talented Backend Developer looking for a role that offers real variety, technical challenge, and the chance to work on projects that make an impact? Our client is a highly regarded digital innovator, delivering complex, high-performance systems for some of the most recognisable brands in Europe. They … re seeking a Backend Developer – Python to join their growing engineering team, where you’ll be involved in a range of exciting projects spanning different industries and technologies. You’ll work in a collaborative, fast-moving environment, developing scalable backend services that power large-scale digital platforms, giving you the opportunity to sharpen your technical skills while gaining broad exposure … and cloud-native tools including Python, FastAPI, AWS, PostgreSQL, Django, Kubernetes, Terraform, and GitHub A culture that values technical excellence, continuous learning, and creative problem-solving The ideal Backend Developer – Python will have: Proven experience building and maintaining scalable backend systems using Python (any major framework) Solid knowledge of databases, OO design, data structures, and SOLID principles A proactive, analytical More ❯

Lead Java Developer 6 Months Hybrid working 1 day a week on site £500-£550 per a day inside IR35 Talent Consulting is seeking an experienced Lead Java Developer to join one of our government clients on a large-scale digital transformation programme. You’ll lead a team delivering modern, cloud-native solutions—rebuilding internal systems, creating efficient digital processes … and ensuring scalable, high-quality software delivery. As Lead Java Developer you will be responsible for: Design and develop modern, cloud-based services using Java and Node.js. Build and maintain microservices and UI components, ensuring seamless integration between front-end interfaces and back-end APIs. Implement event-driven solutions using Kafka and other messaging technologies. Develop, deploy, and manage scalable … as Terraform. Create, maintain, and optimize CI/CD pipelines using GitLab CI. Collaborate with designers and front-end developers to deliver modern, responsive UI experiences. As a Lead Developer you will have the following experience: Proven experience leading and mentoring development teams. Extensive hands-on experience developing modern cloud-native applications using Java and Node.js. Strong background in microservices More ❯

Lead Java Developer 6 Months Hybrid working 1 day a week on site £500-£550 per a day inside IR35 Talent Consulting is seeking an experienced Lead Java Developer to join one of our government clients on a large-scale digital transformation programme. You’ll lead a team delivering modern, cloud-native solutions—rebuilding internal systems, creating efficient digital processes … and ensuring scalable, high-quality software delivery. As Lead Java Developer you will be responsible for: Design and develop modern, cloud-based services using Java and Node.js. Build and maintain microservices and UI components, ensuring seamless integration between front-end interfaces and back-end APIs. Implement event-driven solutions using Kafka and other messaging technologies. Develop, deploy, and manage scalable … as Terraform. Create, maintain, and optimize CI/CD pipelines using GitLab CI. Collaborate with designers and front-end developers to deliver modern, responsive UI experiences. As a Lead Developer you will have the following experience: Proven experience leading and mentoring development teams. Extensive hands-on experience developing modern cloud-native applications using Java and Node.js. Strong background in microservices More ❯

£70-90k + Benefits 2 days on site in North London 3 days remote I am recruting for a talented and driven Backend Engineer to join a dynamic team, focused on the creation and deployment of innovative software solutions. More ❯

Are you an experienced Frontend Developer looking for a new challenge and to work for an AI startup with an important mission? 🚀 Senior Frontend Developer – AI Data Security 🚀 Location : Hybrid working 1-3 days a week in central London (King’s Cross) Salary : up to £135,000 + bonus + equity We are excited to continue our partnership with an … an incredibly exciting time to join the team as they are growing across multiple areas of the business, having just secured over £17mil in funding. As a Senior Frontend Developer, you will: Have 6+ years experience as a Frontend Software Engineer Experience developing with: React, Typescript, HTML, CSS A desire to be part of an important mission Be adaptable to … cover Critical illness cover If you enjoy a flexible culture with the ability to work from home a few days a week, apply now for this unmissable Senior Frontend Developer opportunity now! Please note : Due to compliancy reasons, we will only be able to consider applications based in and eligible to work in the UK. More ❯

Are you an experienced Frontend Developer looking for a new challenge and to work for an AI startup with an important mission? 🚀 Senior Frontend Developer – AI Data Security 🚀 Location : Hybrid working 1-3 days a week in central London (King’s Cross) Salary : up to £135,000 + bonus + equity We are excited to continue our partnership with an … an incredibly exciting time to join the team as they are growing across multiple areas of the business, having just secured over £17mil in funding. As a Senior Frontend Developer, you will: Have 6+ years experience as a Frontend Software Engineer Experience developing with: React, Typescript, HTML, CSS A desire to be part of an important mission Be adaptable to … cover Critical illness cover If you enjoy a flexible culture with the ability to work from home a few days a week, apply now for this unmissable Senior Frontend Developer opportunity now! Please note : Due to compliancy reasons, we will only be able to consider applications based in and eligible to work in the UK. More ❯

Are you an experienced Frontend Developer looking for a new challenge and to work for an AI startup with an important mission? 🚀 Senior Frontend Developer – AI Data Security 🚀 Location : Hybrid working 1-3 days a week in central London (King’s Cross) Salary : up to £135,000 + bonus + equity We are excited to continue our partnership with an … an incredibly exciting time to join the team as they are growing across multiple areas of the business, having just secured over £17mil in funding. As a Senior Frontend Developer, you will: Have 6+ years experience as a Frontend Software Engineer Experience developing with: React, Typescript, HTML, CSS A desire to be part of an important mission Be adaptable to … cover Critical illness cover If you enjoy a flexible culture with the ability to work from home a few days a week, apply now for this unmissable Senior Frontend Developer opportunity now! Please note : Due to compliancy reasons, we will only be able to consider applications based in and eligible to work in the UK. More ❯

Are you an experienced Frontend Developer looking for a new challenge and to work for an AI startup with an important mission? 🚀 Senior Frontend Developer – AI Data Security 🚀 Location : Hybrid working 1-3 days a week in central London (King’s Cross) Salary : up to £135,000 + bonus + equity We are excited to continue our partnership with an … an incredibly exciting time to join the team as they are growing across multiple areas of the business, having just secured over £17mil in funding. As a Senior Frontend Developer, you will: Have 6+ years experience as a Frontend Software Engineer Experience developing with: React, Typescript, HTML, CSS A desire to be part of an important mission Be adaptable to … cover Critical illness cover If you enjoy a flexible culture with the ability to work from home a few days a week, apply now for this unmissable Senior Frontend Developer opportunity now! Please note : Due to compliancy reasons, we will only be able to consider applications based in and eligible to work in the UK. More ❯

Front Office Developer Trading Firm London Area, United Kingdom (Hybrid) Salary: Up to 80,000 + Bonus Location: London Hybrid Were working with a multi-asset trading firm at the forefront of technology and quantitative research, driving innovation across global markets. Their Front Office technology team develops high-performance trading systems, algorithmic strategies, and data-driven tools that enable traders … to execute efficiently and intelligently across asset classes. Theyre looking for a talented and ambitious Front Office Developer to join their Algorithmic Trading Development team. This is an exceptional opportunity to work directly with traders and quants, building next-generation trading applications and automation tools in a fast-paced, high-impact environment. Key Responsibilities of the Front Office Developer Install … series databases , performing quantitative analysis on volatility and risk . Optimise trading system performance and architecture across on-premise and cloud environments . Key Requirements of the Front Office Developer Masters degree in Computer Science , Engineering , Financial Mathematics , or a similar quantitative field. 25 years experience in a software development or quantitative role. Strong programming skills in Python, C, C++ More ❯

Front Office Developer Trading Firm · London Area, United Kingdom (Hybrid) Salary: Up to £80,000 + Bonus Location: London | Hybrid We’re working with a multi-asset trading firm at the forefront of technology and quantitative research, driving innovation across global markets. Their Front Office technology team develops high-performance trading systems, algorithmic strategies, and data-driven tools that enable … traders to execute efficiently and intelligently across asset classes. They’re looking for a talented and ambitious Front Office Developer to join their Algorithmic Trading Development team. This is an exceptional opportunity to work directly with traders and quants, building next-generation trading applications and automation tools in a fast-paced, high-impact environment. Key Responsibilities of the Front Office … Developer Install, upgrade, and support trading platforms for the Interest Rates Options desk. Design, develop, test, and document trading algorithms used across multiple desks. Automate options pricing and real-time risk processes for Front Office users. Build and maintain time-series databases , performing quantitative analysis on volatility and risk . Optimise trading system performance and architecture across on-premise and More ❯

Front Office Developer Trading Firm · London Area, United Kingdom (Hybrid) Salary: Up to £80,000 + Bonus Location: London | Hybrid We’re working with a multi-asset trading firm at the forefront of technology and quantitative research, driving innovation across global markets. Their Front Office technology team develops high-performance trading systems, algorithmic strategies, and data-driven tools that enable … traders to execute efficiently and intelligently across asset classes. They’re looking for a talented and ambitious Front Office Developer to join their Algorithmic Trading Development team. This is an exceptional opportunity to work directly with traders and quants, building next-generation trading applications and automation tools in a fast-paced, high-impact environment. Key Responsibilities of the Front Office … Developer Install, upgrade, and support trading platforms for the Interest Rates Options desk. Design, develop, test, and document trading algorithms used across multiple desks. Automate options pricing and real-time risk processes for Front Office users. Build and maintain time-series databases , performing quantitative analysis on volatility and risk . Optimise trading system performance and architecture across on-premise and More ❯

Front Office Developer Trading Firm · London Area, United Kingdom (Hybrid) Salary: Up to £80,000 + Bonus Location: London | Hybrid We’re working with a multi-asset trading firm at the forefront of technology and quantitative research, driving innovation across global markets. Their Front Office technology team develops high-performance trading systems, algorithmic strategies, and data-driven tools that enable … traders to execute efficiently and intelligently across asset classes. They’re looking for a talented and ambitious Front Office Developer to join their Algorithmic Trading Development team. This is an exceptional opportunity to work directly with traders and quants, building next-generation trading applications and automation tools in a fast-paced, high-impact environment. Key Responsibilities of the Front Office … Developer Install, upgrade, and support trading platforms for the Interest Rates Options desk. Design, develop, test, and document trading algorithms used across multiple desks. Automate options pricing and real-time risk processes for Front Office users. Build and maintain time-series databases , performing quantitative analysis on volatility and risk . Optimise trading system performance and architecture across on-premise and More ❯

Front Office Developer Trading Firm · London Area, United Kingdom (Hybrid) Salary: Up to £80,000 + Bonus Location: London | Hybrid We’re working with a multi-asset trading firm at the forefront of technology and quantitative research, driving innovation across global markets. Their Front Office technology team develops high-performance trading systems, algorithmic strategies, and data-driven tools that enable … traders to execute efficiently and intelligently across asset classes. They’re looking for a talented and ambitious Front Office Developer to join their Algorithmic Trading Development team. This is an exceptional opportunity to work directly with traders and quants, building next-generation trading applications and automation tools in a fast-paced, high-impact environment. Key Responsibilities of the Front Office … Developer Install, upgrade, and support trading platforms for the Interest Rates Options desk. Design, develop, test, and document trading algorithms used across multiple desks. Automate options pricing and real-time risk processes for Front Office users. Build and maintain time-series databases , performing quantitative analysis on volatility and risk . Optimise trading system performance and architecture across on-premise and More ❯

Front Office Developer Trading Firm London Area, United Kingdom (Hybrid) Salary: Up to £80,000 + Bonus Location: London Hybrid We re working with a multi-asset trading firm at the forefront of technology and quantitative research, driving innovation across global markets. Their Front Office technology team develops high-performance trading systems, algorithmic strategies, and data-driven tools that … enable traders to execute efficiently and intelligently across asset classes. They re looking for a talented and ambitious Front Office Developer to join their Algorithmic Trading Development team. This is an exceptional opportunity to work directly with traders and quants, building next-generation trading applications and automation tools in a fast-paced, high-impact environment. Key Responsibilities of the Front … Office Developer Install, upgrade, and support trading platforms for the Interest Rates Options desk. Design, develop, test, and document trading algorithms used across multiple desks. Automate options pricing and real-time risk processes for Front Office users. Build and maintain time-series databases , performing quantitative analysis on volatility and risk . Optimise trading system performance and architecture across on-premise More ❯

PHP Developer - Central London - Office Based My client a leading Travel Management company are seeking a skilled PHP Developer to join their team on a permanent, full-time basis. As a PHP Developer, you'll have the opportunity to work on exciting projects, develop cutting-edge online applications, work on their database and contribute to the success of their digital … initiatives. PHP Developer Key Responsibilities: • Develop high-quality code using PHP programming language and frameworks such as Laravel and Symfony. • Collaborate with our team to design and implement innovative solutions for our clients' online applications, database and websites. • Utilise front-end technologies including HTML5, CSS3, JavaScript, and jQuery to enhance user experience and functionality. • Manage database systems, particularly MySQL, to … effectively with team members and clients to understand project requirements and deliverables. • Work independently and manage multiple tasks simultaneously, while maintaining a high level of quality and efficiency. PHP Developer Requirements: • Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience. • Solid understanding of PHP programming language and its frameworks, with experience in Laravel and More ❯

Senior Full-Stack .NET Developer – Remote (UK-Based) Are you a confident .NET Developer looking for a fully remote senior role where you can take ownership, work autonomously, and help shape a modern tech stack? We’re hiring for an experienced Full-Stack .NET Developer to join a small, senior development team at a high-growth, tech-driven business in More ❯

Power Platform Developer Full-time | Permanent | Remote (Occasional London meetings) Salary: £65,000 - £70,000 + Excellent Package Overview We're seeking a Power Platform Developer to join a global organisation and a collaborative and forward-thinking IT team. This is a hands-on role focused on designing, building, and integrating modern applications using Microsoft’s Power Platform and Azure More ❯

Power Platform Developer Full-time | Permanent | Remote (Occasional London meetings) Salary: £65,000 - £70,000 + Excellent Package Overview We're seeking a Power Platform Developer to join a global organisation and a collaborative and forward-thinking IT team. This is a hands-on role focused on designing, building, and integrating modern applications using Microsoft’s Power Platform and Azure More ❯

Job Title: Full Stack Developer Max rate: £550p/d via Umbrella Clearance required: SC Duration: 4 Months Location: Croydon (Mostly Remote) Job Description: Senior Engineer with either full stack (Java/React/Node.js) or backend (Java and ideally Kafka) * Experience of Java * Experience of Spring framework or equivalent. * Knowledge of software design patterns and when to apply them More ❯