26 to 50 of 207 Senior Developer Jobs in London

Senior Software Developer (PYTHON/AWS/REACT) - Health tech - tech for good, make a positive impact on the world Highly successful and fast growing organisation has an exciting opportunity for a Senior Software Developer (PYTHON/AWS/REACT). They are looking for a talented individual who will design, implement, and maintain their publishing More ❯

Senior Python Developer (PYTHON/AWS/REACT) - Health tech - tech for good, make a positive impact on the world Highly successful and fast growing organisation has an exciting opportunity for a Senior Python Developer (PYTHON/AWS/REACT). They are looking for a talented individual who will design, implement, and maintain their publishing More ❯

Senior Python Developer (PYTHON/AWS/REACT) - Health tech - tech for good, make a positive impact on the world Highly successful and fast growing organisation has an exciting opportunity for a Senior Software Developer (PYTHON/AWS/REACT). They are looking for a talented individual who will design, implement, and maintain their publishing More ❯

Senior Software Developer (PYTHON/AWS/REACT) - Health tech - tech for good, make a positive impact on the world Highly successful and fast growing organisation has an exciting opportunity for a Senior Software Developer (PYTHON/AWS/REACT). They are looking for a talented individual who will design, implement, and maintain their publishing More ❯

Endeavour Recruitment has a fantastic opportunity for a Lead Developer/Senior Developer to join our award winning Digital Marketing client based in Central London This is a permanent position with a salary in the range of £50 000 - £60 000 plus benefits. The role will offer the opportunity to work on various projects, both internal and More ❯

Senior Java Developer - Remote Working - SC Cleared Lynx are currently working with a large IT consultancy to help them source a Senior Java Developer . Our client is large global Consultancy who work with enterprise clients, solving their business and technology problems using cutting edge Solutions. Responsibilities: Engaging in the entire software development lifecycle, from gathering … Key skills and experience: Previous experience working within a consulting organisation or the public sector is essentail Must be either SC cleared or eligible Experience working as a Java Developer Java development experience Experience working within cloud environments If this role sounds of interest, then please apply with your updated CV. More ❯

Senior Android Developer, Kotlin, MVVM - health care app Central London - 3-4 days per week in the office £80k DoE discretionary annual Bonus A cracking opportunity for a Senior Android Developer to join one of the UK’s leading app and technology companies. This small, highly creative team (circa 20) is known for groundbreaking patented health … care apps that are truly innovative and positively impact people’s lives. We’re looking for a proactive and experienced Android Developer to work across a portfolio of fully native apps, primarily developed in Kotlin, with legacy Java code being phased out. The technologies run directly on the phone with limited server interactions. You’ll have a strong track More ❯

Senior BI Developer London - Hybrid (3 Days Onsite) £55,000 - £70,000 An AI SaaS business is looking to hire a Senior Power BI Developer to join their growing Data & Analytics team. With a strong focus on customer analytics, this 50-person business has built a cutting-edge platform designed to help clients unlock value from … models and operationalises customer data to enable faster insight-driven decision making. What You’ll Be Doing Working at the intersection of data engineering, analytics, and product innovation, the Senior Power BI Developer will play a key role in building and delivering enterprise-grade dashboards for private equity clients and their portfolio companies. Develop Power BI dashboards that More ❯

Senior BI Developer London - Hybrid (3 Days Onsite) £55,000 - £70,000 An AI SaaS business is looking to hire a Senior Power BI Developer to join their growing Data & Analytics team. With a strong focus on customer analytics, this 50-person business has built a cutting-edge platform designed to help clients unlock value from … models and operationalises customer data to enable faster insight-driven decision making. What You’ll Be Doing Working at the intersection of data engineering, analytics, and product innovation, the Senior Power BI Developer will play a key role in building and delivering enterprise-grade dashboards for private equity clients and their portfolio companies. Develop Power BI dashboards that More ❯

Senior AI Developer £80,000 + bonus + benefits London or Brighton Join a leading international eCommerce organization committed to driving innovation through AI. We are looking for a Senior Frontend Developer to lead the modernization of our core systems, utilizing React and JavaScript to enhance performance and efficiency. Your expertise will be key in transforming … of software development experience, including significant work in system modernization. Strong expertise in React and JavaScript. Familiarity with REST APIs and cloud infrastructure. Hands-on experience with AI-based developer tools (e.g., GitHub Copilot, ChatGPT, Tabnine). Excellent leadership, communication, and collaboration skills. Passion for clean code, software architecture, and continuous improvement. Why Join Us? Competitive salary (£80,000+ More ❯

Senior Python Developer Our Client is looking to recruit a seasoned Senior Python Software Developer with at least 5 to - 8 years experience of developing software in Python. You must have excellent technical excellence in Python in developing a is required. Excellent verbal communication skills (English a must) Ability to provide recommendations for the e2e architecture More ❯

team, you'll have the opportunity to shape the future of how software is created and maintained. The easiest way to understand our vision is to visit ainativedev.io our developer community website, dedicated to AI Native Development, which is the go-to place for developers navigating the evolving AI-driven software landscape. Overview of role We're looking for … a Senior Developer Advocate with a passion for AI developer tools. In this role, you'll primarily be an internal user of our product, providing feedback to our engineering team and creating and promoting high-quality Tessl-centric content that helps developers better understand and utilize AI Native Development practices with our product. A core part of … powered development tool, focusing on clear, actionable, and practical insights. Community Collaboration: Engage with users and partners to help and highlight their integrations and successes with the product. AI Developer Tooling: Play with, test, and explore various AI-powered tools for developers. Developer Relations: Participate in various Developer Relations activities, including webinars and podcasts, and engage with More ❯

Senior Salesforce Developer - DESNZ - G7 Full-time (Permanent) National: £55,105 - £62,475 London: £60,620 - £67,565 plus up to £10k allowance Published on 7 August 2025 Deadline 22 August 2025 Location Birmingham, Cardiff, Darlington, Edinburgh, London, Salford About the job Job summary The Integrated Corporate Services (ICS) is a new shared corporate service, launched in July … transparency and collaboration. Our commitment to user-focused design and data-driven decision-making ensures that we deliver accessible services tailored to the needs of our customers. As a Senior Salesforce Developer, you will be responsible for the design, development, implementation, and maintenance of customised solutions within the ICS Digital Salesforce platform. You will lead technical projects and … quality, scalable, and efficient Salesforce solutions that meet the needs of our customers in DESNZ and DSIT. This is a crucial new role that will sit within the Software Developer team, you will work alongside Civil Servants and Contractors to develop a range of services on our Salesforce Platform. Visit our blog to learn more about us and our More ❯

Senior Angular Developer/£75,000 per annum/London (2 days per week) We are working with a leading igaming organisation that needs a Senior Angular Developer to come board to work on some exciting new projects enhancing their fully responsive web product built on Angular. On a day-to-day basis you will be More ❯

This range is provided by Free-Work UK. Your actual pay will be based on your skills and experience talk with your recruiter to learn more. Base pay range Senior Full Stack Developer/Software Engineer (Java JavaScript React) London to 80k Well established trading brokerage is seeking a Senior Full Stack Developer as they expand … into UK markets. As a Senior Full Stack Developer, you'll join a small technology team building Greenfield trading systems from scratch, working in a start-up environment with backing from the larger organisation. You'll take ownership, working across the full development lifecycle and will quickly see the impact of your work, developing high quality, scalable and … You'll join a team of finance entrepreneurs and technologists in City based offices with smart dress code on a fulltime basis. About You You are an experienced Software Developer with a strong knowledge of best practice and the full software development lifecycle You have full stack development experience including Java, JavaScript and/or TypeScript and React and More ❯

Senior C#.NET Developer - Front Office The Front Office (Fixed Income) software development team requires an agile and versatile specialist who is a team player with extensive expertise in .NET/C# software development. The role demands an experienced individual comfortable working closely with a variety of front office stakeholders globally. Role Details Title: Senior Developer (Software More ❯

Vacancy for Senior Software Developer at The National Archives Vacancy for Senior Software Developer at The National Archives 21 May 2021 Richmond upon Thames, London Full-Time Do you have a passion for delivering creative, user focused digital services to a global audience of millions? Would you enjoy working as part of a multi-disciplinary digital … in the world. We are exploring new approaches and tools, simplifying key transactions and finding new ways to help people to use our collections. We are looking for a Senior Software Developer with extensive experience working within the Django web and rest frameworks and ideally with Wagtail CMS development experience. Initially you will work with our contracted supplier … pipelines would be helpful but not essential as we will provide training in those. Our developers have a vital role to play in growing our DDaT capability. In this senior role you will demonstrate excellent software development, interpersonal and team-working skills. You will also have a willingness to learn new skills across a range of technologies, and play More ❯

Senior Software Developer Location: Hybrid, Croydon The Company: At Amber Labs, we are a cutting-edge UK and European technology consultancy that prioritises empowering autonomy, promoting experimentation, and facilitating rapid learning to provide exceptional value to our clients. Our company culture is centred around collaboration, where all colleagues, regardless of their role, work together to minimise risk and … shorten delivery times. Our team consists of highly-skilled cross-functional consultants, analysts, and support staff. Job Overview We are seeking a talented and experienced Senior Software Developer to join our dynamic team. The ideal candidate will have a strong background in government operations and a deep understanding of cloud technologies, particularly Amazon Web Services (AWS). If More ❯

Our client, a dynamic and growing retail organisation, is seeking a talented and experienced Senior .Net Developer to join their engineering team. This role focuses on extending the features of an existing web application, leveraging a robust Microsoft Azure environment. The successful candidate will play a crucial part in the development and maintenance of the application's back … firewalls/security groups). Essential Skills: Highly self-motivated and proactive. Ability to effectively manage ambiguity and complexity. Strong communication skills, capable of providing clear progress updates to senior management. A proactive approach to questioning, clarifying requirements, and identifying potential issues. Ability to provide technical support to other team members, assisting with debugging and problem-solving. This is … an excellent opportunity for a senior developer to contribute to a significant project within a supportive and collaborative environment. The client uses Azure DevOps for teamwork management and CI/CD pipelines. If you are a driven and experienced developer looking for a challenging and rewarding role, we encourage you to apply. More ❯

Senior Fullstack Software Developer Our Client is a relatively young company but growing quickly in the world of financial technology solutions. They are now looking to recruit a Senior Fullstack Software Developer with at least 5 plus years expertise. The ideal candidate will have great problem solving and communication skills and be comfortable with fast paced More ❯

intuitive and enjoyable to use. Guided by best-in-class UX principles and deep industry expertise, we're on a relentless path to become a leader in decentralized finance. Senior Developer Location London/Remote Salary 45000 - 125000 a year (s) Description About our portfolio company: We are building a decentralized trading platform designed to revolutionize the user … is a beta feature to avoid spam applicants. Companies can search these words to find applicants that read this and see they're human. Job type: Remote job Tags developer design web3 defi crypto code financial finance leader senior digital nomad Sent 1 day ago Apply on external site Share on Facebook Share on Twitter Share on LinkedIn More ❯

We are searching for talented Lead Full Stack Developers to join our team. As a Lead Full Stack Developer, Senior Consultant, your responsibilities include developing and maintaining functional websites, web services, and eCommerce solutions. To be successful in this role, you should have extensive experience building from scratch and be familiar with working on specifications and resolving technical … issues. We expect you to be a strong communicator, committed, proactive, and opinionated developer with great problem-solving skills. We are looking for candidates that have a suitable academic background and solid work experience; however, we value shipping products and services more than theoretical knowledge. Your daily activities would include: Software development of our new projects, i.e. designing, developing More ❯

Senior C# Developer - Apache Kafka, Azure, Microservices Up to £460 per day (Outside IR35) Primarily Remote Initially 3 months I am working with an instantly recognisable consultancy who require a C# .Net Developer with hands-on experience with Apache Kafka and Confluent Kafka, and a strong background in cloud-native development using Docker and Azure.Key Requirements: Proven … experience as a C# .Net Developer Strong experience in building and managing Kafka clusters and topics. Recent experience developing Microservice based solutions Strong knowledge of version control systems such as Git and associated CI/CD tooling (ideally with Azure DevOps, Jenkins or similar) Experience working with structured data formats and APIs (JSON Payloads). Knowledge of schema evolution More ❯

Senior Technical Java and C# .net Software Developer We are currently recruiting a Java with C# .net Senior Software Developer ?" who can be the lead in the team. You must have at least 5 to 7 years proven track record of developing software with Java and C# .net framework coupled with SQL Server. Ability to own … retail business acumen, and customer focus. · Provide governance for troubleshooting complex system issues as necessary · Develop or contribute to business cases, roadmaps and proposals which may include presentations to senior management. · Collaboration with Business, Technical, and Security Architects, to manage risk identification and risk mitigation tactics associated with the designs. Role-specific knowledge: · 5+ years of senior technical … lead. · 5+ years of strong hands-on experience as a developer working on JAVA or .NET Framework standards and technologies - C#.NET, ASP.NET, AngularJS, SQLServer, Web Services, Cloud Platforms, AJAX, JQUERY, XML/JSON, HTML, CSS · Retail/digital technology experience is essential · Experience in SalesForce Service and Marketing Clouds · Safety Knowledge: · Provides a consistent outstanding role model in relation More ❯

Senior Front End Developer/Engineer (React TypeScript Data Visualisation) London to £80k Are you a skilled Software Developer with strong React and Data Visualisation skills combined with a good appreciation of financial markets and technology? You could be joining a growing, global, Fintech services company that has seen 30-40% year on year growth for the … past 10 years and has ambitious growth plans. As a Senior Front End Developer you'll design and develop new features and enhancements to the front end of the platform with a focus on real-time data visualisation on business critical systems using React. You'll collaborate with backend engineers to build complex financial products. Location/WFH … and Python backend systems You're degree educated, having achieved a 2.1 or above in Computer Science or similar technical discipline What's in it for you: As a Senior Front End Developer you will receive a comprehensive package including: Salary to £80k Private Medical Healthcare including Dental and Vision cover Pension Share Option scheme Employee Wellness Programme More ❯