1 to 25 of 90 Permanent Senior Developer Jobs in London

Senior Developer Location: Holborn, Central London (Hybrid) Reporting to: Head of AI and Technology Job Type: Full-time An exciting new permanent opportunity has become available for a Senior Developer, to join a juggernaut organisation in the recruitment industry. A highly dynamic, ambitious and fast-growing … team dedicated to transforming the recruitment landscape through AI-driven, human-centered technology. They're looking for a Senior Developer to lead technical initiatives in a dynamic, AI-driven environment. If you have a track record of technical leadership and a passion for building innovative solutions, this role ...

Senior Java Developer | Travel-tech Senior Java Developer | £300-400/day | Outside IR35 | Fully Remote within Europe A fast-growing travel-tech organisation is embarking on a major product evolution and is looking for an experienced Senior Java Developer to join their team. … both web and mobile clients. Contribute to shared architecture, functional models, and backend design patterns to unify services across the organisation. Required Skills & Experience Senior-level expertise building and maintaining commercial, production-scale applications. Deep proficiency in: Java Springboot (server-side development, API design) MySQL (performance optimisation, complex queries ...

Senior Azure Developer - Active SC, Azure Service Bus, D365 Up to £550 per day (Inside IR35) London/Remote 12 months My client is an instantly recognisable consultancy who urgently requires a Senior Developer with Active Security Clearance (SC), and expertise in Azure Service … Dynamics 365, to join a business-critical programme. Key Requirements: Proven experience working as a Senior Developer within the public sector Active Security Clearance (SC) Hands-on experience with Azure Service Bus and message queue systems. Microsoft Dynamics 365 and Power Automate expertise. Strong understanding of integration patterns ...

Senior Frontend Developer Up to £90,000 Central London - Flexible Hybrid Options Health-Tech A start-up within the health space are seeking a Senior Frontend Developer to lead a high performing squad of engineers building a unique SAAS platform which is radically streamlining an existing … complex process. You'd join as a Senior Frontend Developer and make a real impact on user facing features from the off while enhancing frontend architecture in order to accelerate the products ground-breaking advancements. As a Senior Frontend Developer, you will have the following: Strong ...

Senior Developer - £100k - London - Python - C# We are working with a financial services company based in London who is looking for a Senior Developer to join their growing team. This company focuses on using modern technology to solve financial issues and implement cutting edge trading strategies. ...

someone who is both comfortable working proactively and managing your own tasks, as well as confident collaborating with others and communicating regularly with senior managers, directors, and BDO's partners to help businesses effectively. You'll be encouraged to identify and draw attention to opportunities for enhancing our delivery … providing additional services to organisations we work with. As a Senior Developer, you will play a key role in designing, developing and maintaining high-quality software solutions. You will work closely with other developers, UX/UI designers and stakeholders to ensure that our products meet the highest ...

Senior Front End Developer Senior Front End Developer - Global Workforce Technology Innovator - London (Tech stack: React, React Native, TypeScript, JavaScript (ES6+), HTML, CSS, Component Libraries, Design Systems, State Management (Redux, Zustand, MobX, Apollo), Web & Mobile UI/UX, Accessibility, Front End Architecture) Our client began over … team-people who blend craftsmanship with creativity, and who take pride in building products that solve meaningful, real-world problems. If you're a Senior Front End Developer who loves making an impact, this is your chance to join a company where your work genuinely matters. This ...

Senior C# Developer/Engineer (C# .Net Core) London/WFH to £85k Are you a skilled C# Developer looking to progress your career in a senior, hands-on role? You could be at a successful and scaling Retail FX Brokerage working on Greenfield systems. … Senior C# Developer you'll be designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built mostly in C# and React deployed to Azure. You'll focus on C# .Net backend development within an AWS environment, but also with exposure ...

Senior Python Developer looking to help shape the future of how schools use technology to empower learners across the UK? We are searching for a Senior Python Developer/Lead Python Developer who can guide a talented engineering team and push the boundaries of what … Fancy taking ownership over building scalable Python applications, driving Agile delivery, and designing robust AWS-based systems using modern Infrastructure-as-Code approaches? Role: Senior Python Developer, Python Software Engineer, Python Developer, Lead Python Developer Location: 100% work from home/Remote Salary: £55k - £62k base ...

Senior Ruby on Rails Engineer, London, £90,000 - £105,000 + Bonus We’re working with a growing SaaS company solving one of ecommerce’s biggest barriers—buyer trust. Their platform quietly supports hundreds of thousands of retailers and millions of online purchases every month. Growing organically year … year at an impressive rate, they’ve built a loyal customer base in well over 100 countries by focusing on product quality, speed, and developer-led innovation. The Senior Software Developer (Full‐stack) will work across Ruby on Rails, JavaScript, SQL, and AWS to deliver high-quality ...

Senior Derivatives UI Developer/Lead Banking London This is a new and exclusive opportunity for a Senior Derivatives UI Developer/Lead to join my thriving investment banking client as they are expanding their software development team who lead on derivatives projects Role details Title … Senior Derivatives UI Developer/Lead Employer: investment bank Permanent role salary £100,000- £130,000 plus bonus and pension Location: London City and home working hybrid- 50/50% Requirements: Java, React, UI Skills, business knowledge in derivatives/risk and pricing We're looking ...

Senior iOS App Developer A leading retailer are looking for a Senior iOS App Developer to join their Mobile Team to contribute to the development and evolution of their Mobile App. As the Senior iOS App Developer, you will be responsible for building … version of the app, ensuring it delivers a pixel-perfect, performant, and luxury-aligned experience for customers. You will be a high-performing developer who thrives on clean architecture, elegant code collaborative delivery whilst working as part of an Agile cross-functional team. Skills and Experience * Strong proficiency ...

Senior Android App Developer A leading retailer are looking for a Senior Android App Developer to join their Mobile Team to contribute to the development and evolution of their Mobile App. As the Senior Android App Developer, you will be responsible for building … Android version of the app, ensuring it delivers a pixel-perfect, performant, and luxury-aligned experience for customers. You will be a high-performing developer who thrives on clean architecture, elegant code collaborative delivery whilst working as part of an Agile cross-functional team. Skills and Experience * Strong proficiency ...

Vanilla JS Developer We need a Senior JavaScript Developer that gets excited about doing Vanilla class based ES JavaScript. The client loves React. Ideally Hybrid, 1-3 days a week in the London office. However, we will consider UK based remote developers. Preference will be given … candidates that are Hybrid. A great career opportunity has arisen for a Senior JavaScript Developer in London, to join an established and creative Agency. The JavaScript Developer will need solid knowledge of Vanilla JavaScript and React. This JavaScript Developer role will suit someone who is looking ...

Vanilla JS Developer We need a Senior JavaScript Developer that gets excited about doing Vanilla class based ES JavaScript. The client loves React. Ideally Hybrid, 1-3 days a week in the London office. However, we will consider UK based remote developers. Preference will be given … candidates that are Hybrid. A great career opportunity has arisen for a Senior JavaScript Developer in London, to join an established and creative Agency. The JavaScript Developer will need solid knowledge of Vanilla JavaScript and React. This JavaScript Developer role will suit someone who is looking ...

Senior Java Developer - Remote Working 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 … practices in software engineering across teams and projects Key skills and experience: 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. ...

Senior ODI ETL & OAS/OBIEE BI Developer – Investment Banking Location: London Salary up to £100k Only people with previous ODI ETL & OAS/OBIEE BI Developer skills will be considered for this role THIS ROLE DOES NOT OFFER SPONSORSHIP Join a leading investment bank … Senior ODI ETL & OAS/OBIEE BI Developer, driving the design, build, and optimisation of complex data integration and analytics solutions across our global banking systems. This is a hands-on senior developer role within a fast-paced environment, ideal for someone who thrives on solving ...

Senior GIS Developer Construction, ArcGIS £65,000 - £70,000 Fully remote As Senior GIS Developer, you'll join a fast-growing construction consultancy that has seen good growth over the past three years. They are now investing in geospatial capability to provide clients with deeper insights … Engage with clients to represent and sell GIS services. Line management responsibilities with potential team growth in future We're looking for Experienced GIS Developer with a background in the built environment. Strong knowledge of Esri ArcGIS tools and platforms (ArcGIS Online, ArcGIS Pro, Experience Builder etc). Strong ...

Senior Android App Developer A leading retailer are looking for a Senior Android App Developer to join their Mobile Team to contribute to the development and evolution of their Mobile App. As the Senior Android App Developer, you will be responsible for building ...

Senior iOS App Developer A leading retailer are looking for a Senior iOS App Developer to join their Mobile Team to contribute to the development and evolution of their Mobile App. As the Senior iOS App Developer, you will be responsible for building ...

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 + … 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 ...

Senior Frontend Developer (React.js) | Brand New Trading Payments Desk | £130,000 + Bonus + Benefits | London Hybrid I am looking for a Senior Frontend Engineer with React focus for a Trading House that build cross asset trading systems. The FinTech are building from the ground … currently expanding their team to work on a completely greenfield build, payments platform. As a Senior Frontend, your role will be to come in and build out a new Payments platform working very closely with another engineer to redesign parts of the system and lead from the front ...

Senior Full Stack Developer | C# & React | Greenfield Trading Platform | London, Hybrid | Up to £120k + Bonus, Benefits ❗ Note: This role does not provide Visa Sponsorship ❗ 💹 Our client is looking for a Senior Full Stack Developer with strong expertise in C# to join them in shaping … core back-end technology across the business. React is used for the front-end, making experience with it beneficial but secondary. As a Senior Developer , you’ll be hands-on in development while also contributing to technical decisions. 💸 Salary: Up to £120,000 + Strong Bonus + Benefits ...

Title: Senior Systems Developer DETAILS We are seeking a highly skilled Senior Systems Developer with extensive experience in data architecture, system design, and enterprise-level application development. The successful candidate will be responsible for constructing scalable systems, designing robust data models, and guiding the technical direction ...

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 ...