1 to 25 of 86 Senior Developer Jobs in Central London

Senior Go Developer 6 Months Contract London Hybrid or Fully Remote An exciting opportunity for a highly skilled Senior Go Developer to join a leading technology business on a contract basis. This organisation is recognised for its engineering excellence and is seeking a Senior Go Developer to help scale distributed systems and deliver high … performance solutions. In this role, the Senior Go Developer will design, develop, and implement data-intensive applications across the full engineering lifecycle. You’ll architect and deliver microservices-based systems using Go (Golang), AWS, Kubernetes, Docker, and Kafka, working closely with cross-functional teams to build scalable, reliable, and resilient platforms. You’ll also play a key role … in optimising system performance, improving reliability, and ensuring scalability, while contributing to code reviews, design discussions, and knowledge sharing across the engineering function. Senior Go Developer – Key Requirements: Strong commercial experience in backend development Advanced skills in Go (Golang), with proven expertise in AWS, Kubernetes, and Docker End-to-end software engineering experience, including system design and architecture More ❯

Senior C++ Developer (Python, SQL, Linux, Trading, FinTech, Financial Technology) ***This is a hybrid role, 2 days remote and 3 days in the office*** Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background, REC Solutions Limited does not discriminate in regards to age, gender, national origin, religion or any … other basis. An excellent opportunity has arisen for a Senior C++ Developerto join a friendly team my client are a well-established exchange (FinTech, Financial Technology) based in the City. My client are working with some cutting edge technologies, this is an excellent opportunity to join an innovative, forward thinking company within the FinTech/Financial services space. The … and diverse business backgrounds. If these sentiments align with your thinking, then my client could be the ideal place for you to develop your career. Benefits (not exhaustive list): Senior C++ Developer(Python, SQL, Linux, Trading, FinTech, Financial Technology) Competitive salary 25 days annual leave - not including bank holiday Private medical insurance Flexible working hours Company pension Group More ❯

Senior Full Stack Software Developer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native Why? start-up financial services, revolutionising the industry Location : Hybrid - 1/2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly … financial products to consumers. The organisation is committed to empowering individuals by enhancing their understanding and control of personal finance through clarity, intelligence, and technology. Senior Full Stack Software Developer - Responsibilities Design, develop, and maintain advanced applications. Collaborate with cross-functional teams to define, design, and ship new features. Guiding and develop the skills of junior engineers. Optimize … quality and speed. Troubleshoot and debug to optimize performance. Provide code reviews, feedback, and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols Senior Full Stack Software Developer - Experience Required Proven experience as a Senior Full Stack Developer or similar role with a strong portfolio of projects. Expertise in Node.js More ❯

Senior JavaScript Developer 3-4 days p/week in London Paying up to £80k Senior JavaScript Developer – Would you like the opportunity to work for a fast growing start-up who are on a mission to create an AI tutor to help learners? They’re currently building an all-in-one platform for aiding students … to achieve their full potential. AI is at the heart of everything they do, from their products to the way they work as a team. As a Senior JavaScript Developer, you will be joining a small team, where you will build, scale, and maintain high-quality fullstack applications while collaborating closely with product and design to deliver end … design, and AI. Key requirements: 5+ years of fullstack development experience. Strong skills in React, TypeScript Node AWS Experience integrating AI/ML via APIs If you’re a Senior JavaScript Developer who enjoys the idea of working in an EdTech Start-up, please apply. More ❯

Senior Frontend Developer | Securing GenAI | Up to £130,000 p/a + Equity Senior Frontend Developer - Typescript & React Helping organisations securely and safely adopt Artificiual Intelligence tools Up to £130,000 per annum + Equity We're partnered with a company bringing much needed security and data protection to AI. As the bubble continues to … not at risk. Having secured an impressive Series A round and built by the founders of a former unicorn in this space, they are looking to add an experienced Senior Frontend Developer to work on a number of exciting greenfield and upgrade projects to the platform. Strong proficiency in Typescript & React is required, and design experience (Storybook/… etc) and cybersecurity interest or experience is a bonus, but not a must have. Interested in finding out more? Apply within or reach out to James for more information. Senior Frontend Developer | Securing GenAI | Up to £130,000 p/a + Equity More ❯

Senior C# Developer/Software Engineer (C# .Net) London onsite to £150k Opportunity to progress your career in a senior, hands-on C# Developer role at a global Asset Manager with c$3 million under management. As a Senior C# Developer within the trading engine team you'll collaborate to design and develop real … You are collaborative with excellent communication and stakeholder management skills You are degree educated in Computer Science or similar technical discipline What's in it for you: As a Senior C# Developer/Software Engineer you will receive a competitive package: Salary to £150k Bonus paid every six months based on personal performance (10-25%) Professional development Pension … Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Apply now to find out more about this Senior C# Developer/Software Engineer (C# .Net) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from More ❯

Senior Full Stack Developer Hybrid - Work from Home with occasional travel to London (First week in London for induction) Permanent | Up to £95,000 + Excellent Benefits HBG Recruitment is proud to partner with a leading British media institution , home to some of the UK's most recognisable brands. They're expanding their digital development team and are … now looking for a Senior WordPress Full Stack Developer to play a key role in building, optimising, and maintaining high-traffic media platforms that reach millions of readers daily. What's in it for you Competitive salary up to £95,000 per annum Permanent position with career development opportunities 25 days' holiday (rising each year to 30) Life … 3x your basic salary Discounts on online shopping, dining, and more Onsite perks : gym, canteen, nurse & GP clinics Hybrid working with occasional London meet-ups Your Impact As a Senior WordPress Full Stack Developer, you'll: Lead the maintenance and feature development of enterprise-level WordPress sites across multiple brands. Build and maintain shared plugins and reusable microservices More ❯

Senior Fullstack Developer – EdTech 3-4 days p/week in London Paying up to £80k Senior Fullstack Developer – Would you like the opportunity to work for an EdTech start-up who are on a mission to create an AI tutor to help learners? They’re currently building an all-in-one platform for aiding students … to achieve their full potential. AI is at the heart of everything they do, from their products to the way they work as a team. As a Senior Fullstack Developer, you will be joining a small team, where you will build, scale, and maintain high-quality fullstack applications while collaborating closely with product and design to deliver end … design, and AI. Key requirements: 5+ years of fullstack development experience. Strong skills in React, TypeScript Node AWS Experience integrating AI/ML via APIs If you’re a Senior Fullstack Developer who enjoys the idea of working in an EdTech Start-up, please apply. More ❯

Senior Java Developer - Java, Kotlin, Concurrency, Kafka, RDBMS, Unix, Linux, Front Office, Multi-threading Role Overview: I am seeking a Senior Java Developer to join a leading Investment Bank as part of their global front-office technology team. This is a hands-on position focused on working with a real-time, event-driven system that underpins … required to attend the office in London 3 times per week. If you are interested or know anyone who might be please apply or email me direct - adam.wirth@nicollcurtin.com Senior Java Developer - Java, Kotlin, Concurrency, Kafka, RDBMS, Unix, Linux, Front Office, Multi-threading More ❯

Senior Python Developer - Python, SQL, Databricks, AWS/Azure OB have partnered with a Global Insurance Leader, who are expanding their Python Engineering team, with Senior Python Developer, skilled with Python, SQL, Databricks and Cloud Infrastructure. In this role, you will play a key part in designing and building new capabilities, such as high-performance API … s and high-frequency event streams, as well as making improvements to their current platform. Senior Python Developer - Python, SQL, Databricks, AWS/Azure Key skills and experience: Python FastAPI SQL Databricks AWS/Azure API's Hybrid working with 3-days a week required in a Central London office Pays up to £90k + benefits To be … considered, you must be UK based Senior Python Developer - Python, SQL, Databricks, AWS/Azure More ❯

Senior Guidewire Developer London Job Summary : The Senior Guidewire Developer will lead the design, development, and implementation of Guidewire InsuranceSuite solutions (PolicyCenter, BillingCenter, ClaimCenter). This role involves technical leadership, mentoring junior developers, and collaborating with stakeholders to deliver scalable, high-quality insurance applications. Key Responsibilities : Lead end-to-end development of Guidewire modules including PolicyCenter More ❯

Senior Python Developer - Python, Flask, SQL, AWS OB have partnered with a FinTech company, who are looking to bring on a Senior Python Developer to their highly skilled engineering team, where you'll have the opportunity to work closely with the CTO & Head of Engineering to have an impact from day one, and develop their systems. … In this role, you'll design highly complex systems and applications, writing high-quality and scalable code, to optimise the performance of their Python based applications. Senior Python Developer - Python, Flask, SQL, AWS Required skills and experience: 6+ years of commercial experience using Python Highly skilled with Python Experience with Flask or other similar Frameworks SQL expertise Cloud … from a top ranked University Base salary of £70k-£85k Bonus of up to 30% + stock options package Remote first working available with a Central London based office Senior Python Developer - Python, Flask, SQL, AWS More ❯

Senior Java Developer This is a hybrid role requiring 1/2 days per week in their London office. La Fosse are partnering with a market leading InsurTech provider who are in the market for a skilled Senior Java Developer to join the core software engineering team. This role provides a unique opportunity to lead technical More ❯

Senior Endur Developer | up to £1,200 Outside IR35 | London We’re partnering with a leading commodities trading firm that is embarking on a full greenfield Endur reimplementation. They are seeking an experienced Senior Endur Developer to join their technology team and help shape a brand-new Endur instance from the ground up. What you’ll More ❯

Senior Go Developer Location: London Bridge Hybrid: 1x every fortnight We are working with a small, technical team based in London Bridge to build innovative solutions, working with cutting-edge, open-source platform frameworks. As a Senior Go Developer, you will work on complex distributed systems, shaping modern development, contributing to product design and working closely More ❯

Senior Frontend Developer This is an office based role requiring 5 days per week in their new London office. La Fosse are partnering with a market leader within the energy & trading sector, with a strong presence across oil & gas, renewables, power and carbon. They're in the market for a Senior Frontend Developer, with excellent React More ❯

Senior Salesforce Developer - Service Cloud Location: London : (Hybrid: 2 days office-based, 3 days remote) Right to Work: Candidates must have the right to work in the UK without visa restrictions (no sponsorship offered) Our client is looking for a Senior Salesforce Developer responsible for hands-on Salesforce development and platform optimisation. This role focuses on … and version control. Review and manage the impact of Salesforce seasonal releases, including system updates and regression testing. Essential Skills and Experience Significant hands-on experience as a Salesforce Developer in complex environments. Expertise in Apex, Lightning Web Components (LWC), SOQL, REST/SOAP APIs, and Salesforce configuration tools. Strong working knowledge of Salesforce Service Cloud (essential); experience with 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 … This is 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 … insurance Dental 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 ❯

Senior UI Developer About the Company: Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. We have been meeting customers wherever they are in the digital lifecycle and helping them outperform their competition through speed and innovation. Apexon brings together distinct core competencies – in AI, analytics, app development More ❯

We're looking for a Senior Android Developer to join an innovative tech company that delivers cutting-edge solutions to regulated industries such as Finance and Healthcare. In this role, you will take ownership of developing Enterprise-level Android applications to enhance user experiences and support delivery of high-quality products. Role: Senior Android Developer Location … with app deployment processes, including Google Play submission, signing keys, and building pipelines. A portfolio of previous Android apps or code samples is highly desirable. If you are a Senior Android Developer interested and wish to learn more please apply or get in touch for more details as interviews will be taking place immediately. More ❯

Senior Full Stack Developer - Hybrid, London - £75,000-£90,000 🚀 limitless is closely partnered with a multi award-winning audio AI company transforming how the world experiences sound. Since founding, the team of 50 (including 20 top-tier engineers) is building pioneering AI technology that enhances clarity, removes noise and redefines digital audio experiences from broadcasting and podcasts … cloud deployment - A passion for clean, scalable systems and continuous learning Join a team of brilliant minds where you’ll make a real impact shaping the future of sound. 🎧 Senior Full Stack Developer - Hybrid, London More ❯

Senior Salesforce Engineer require to join one of the leading MarTech companies in the world. Our team at MRJ have been engaged once again by the CTO of a leading MarTech company that continues to push boundaries and is 100% leading the way when it comes to AI/Data innovation within their market. Due to continued growth, we … have a great opportunity available for a Senior Salesforce Developer to join a dedicated Salesforce team and help modernise how their platform connects with the rest of the global infrastructure/platforms. In summary, this is a unique opportunity to redefine how Salesforce powers this global business. In the words of the Salesforce Leader, day-to-day you … Write clean, maintainable code and set high standards across testing, version control, and release management. What do you need to be considered? We're looking for a Certified Salesforce Developer, a collaborative communicator and problem solver, currently operating at a senior level and who offers the following skills/expertise: Deep experience with Salesforce architecture, Apex, SOQL, Lightning More ❯

Senior Golang Developer - Web/Vulnerability Scraping 3-Month Rolling Contract (up to 2 years) £600-£650 per day - Inside IR35 Hybrid - London 3 days per week & 2 days working from home Our global media and consumer technology client is seeking a Senior Back End Engineer to join their Information Security team for an initial 3-month More ❯

Senior Golang Developer - Web/Vulnerability Scraping 3-Month Rolling Contract (up to 2 years) £600-£650 per day - Inside IR35 Hybrid - London 3 days per week & 2 days working from home Our global media and consumer technology client is seeking a Senior Back End Engineer to join their Information Security team for an initial 3-month More ❯

Senior Software Developer – Python/Ruby Location: London (2/3 days per week on-site) Rate: Up to £650/day (Inside IR35 – 12-month Contract) A major UK government department is seeking an experienced Senior Software Developer to play a key role in the redevelopment of a critical national open data platform. This is More ❯