Senior Front End Developer jobs in Slough

Excellent opportunity for Front-End Developer looking to join a forward-thinking company producing award-winning software used by leading businesses across the globe. The successful Senior Frond Developer will need to have extensive commercial experience using ReactJS and should be comfortable working to their own initiative but also happy to mentor and offer guidance to the more junior members...

Front-End Contractor (React / Next.js) Location: Remote (UK based candidates only) Contract: Outside IR35 Day Rate: Up to £400 per day I am currently looking for an experienced front-end developer to help deliver key product features at speed for one of my start up clients. You’ll work on high-impact UI components and collaborate with design, backend, and AI teams to create interfaces for...

About Aero A digital experience company, we sit at the intersection of insights, creativity and technology, crafting digital experiences that transform business performance. We’re a small, fully remote team with big ambitions. We work hands-on with our clients, giving our teams genuine ownership of their work. Every project you touch will be seen by thousands of people and will directly...

Location: Flexible/Remote - US/Eastern time zone THINKalpha is reshaping the capital markets. Our platform enables generative content using dynamic data. The core of our platform includes financial search, streaming analytics and is accompanied by both data and transactional frameworks. We are currently seeking a talented Front End Web Developer with a strong technical background and a passion...

Senior Front-End Engineer Location: London (open to Poland) Type: Initial Contract - with high potential for permanent conversion to Associate Director or Director level depending on experience Duration: 6 months + conversion to perm Rate: up to £950/day (London) Company: Investment Bank We are looking for an experienced Front-End Engineer to join a high-performing team building...

Senior Frontend Developer (Lead-Level) Location: London (Hybrid, 4–6 days in office per month) Type: Full-time | Global Fintech | 80% Hands-On / 20% Technical Leadership About the Role We’re looking for a Senior Frontend Developer with proven lead experience to help shape and scale our next-generation fintech platform. You’ll work across a modern JavaScript and TypeScript stack, using React...

About Us:- Net2Source Inc. is one of the fastest growing diversities certified global workforce solutions companies with an unprecedented YoY growth of over 100% for last 6 years working with Fortune 1000/Global 2000 across 34 countries and 5 continents including North America, South America, Europe, Asia, Australia, and Middle East. About the Role: Job Title - Shopify theme engineer / Front...

Front End Engineer (Product focus for AI) - Perm £115 - £130K basic + equity - Central London (On-Site, 5 Days a Week) - £115 - £130K basic + meaningul equity - Backed by the biggest name in AI Investment - $6M of recent funding - Very quick feedback and process! About the Company An AI company on a mission to build autonomous digital teammates that take on complex workflows end-to-end —...

📌 Role: Front-End Engineer within Quant / Research 📍 Location: London (Hybrid) 💰 Comp: Up to £175,000 + exceptional guaranteed bonus + full package 🏆 Company: Award-winning Quant Fund, founded by Computer Scientists Why this stands out: - Tech Lead is not only an absolute/distinguished beast but one of the nicest people…probably ever! - Engineers report to engineers — no red tape & truly...

You will be working in a cross-functional team on responsive single page web applications using TypeScript and React, and naturally you will have a strong eye for user experience. We are always impressed by an eagerness to learn and a proactive attitude. We are a friendly, supportive team and sharing knowledge and expertise, through peer reviews and pairing, is key to our success.

Front Office Python Developer – Trading Systems Orbis are proudly working with a Trading firm who are redefining how data and technology shape the future of the industry. They are looking for a Front Office Software Engineer with excellent Python (pandas) experience to be at the forefront of this evolution. As a Front Office Python Software Engineer, this is an incredible opportunity to work...

We’re working with a leading global investment bank expanding its Front Office FX eTrading team. This is a greenfield build of a next-generation trading platform that is performance-critical, front-office facing, and built for scale and speed. You’ll be joining a team of exceptional technologists delivering cutting-edge solutions across FX Spot, Forwards, and Pricing, with exposure to Rates and...

Backend Web Developer This is an initial Fixed-term Contract (6-12 months) with the view to make it permanent. Location: Fully Remote (UK) Salary: £38,000 - £48,000 (DOE) The role: We enjoy making the complex simple for our clients. We create websites, campaigns and digital products for professional services clients, arts, fashion, and e-retailers. You’ll be joining an experienced,...

Backend Software Engineer – Python / FastAPI / Event Driven Architecture Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 About the Role: This startup is building a cutting-edge platform to transform how engineers design physical products. Instead of creating one solution at a time, this system enables users to generate, visualise, and explore...

You will be a key player in designing, developing, and maintaining critical backend services. Your expertise in JavaScript and Spring Boot will be essential for creating robust RESTful APIs and event-driven microservices deployed on AWS. We are looking for a developer who is passionate about embedding security, observability, and automation directly into the development lifecycle.

🚀 Senior Backend Software Engineer – London (Hybrid) | Equity + Competitive Salary Join a fast-growing AI startup transforming a trillion-pound industry through intelligent automation. We’re building the next generation of workflow technology - streamlining complex, manual processes and empowering professionals to focus on the work that truly matters. If you love solving deep technical...

Senior Backend Engineer | Fully Remote | Full Time Are you a seasoned backend engineer with a passion for building scalable APIs and robust backend systems? We’re looking for a Senior Backend Engineer to join our development team and help shape the future of our platform. What You’ll Do - Design, develop, and maintain high-quality APIs and backend services - Architect scalable software...

Our leading Banking client are looking for a talented Senior Kotlin Developer to join a small highly skilled team tasked with developing a modern trading application to replace an existing Legacy system. You'll design, develop, and implement a scalable trading application to replace the Legacy system. You'll collaborate with team members to architect and deliver high-performance Back End...

🚀 Senior Front-End Software Engineer (React / TypeScript) Location: Remote (1 day per month in Oxford, UK) Type: Permanent | SaaS | Global Tech Company Are you passionate about building exceptional, scalable front-end applications? Our client — a leading SaaS company based near Oxford — is expanding and looking for a Senior Front-End Software Engineer to help shape the future of their...

Title: Senior Kotlin Developer Client: Leading Trading Firm Rate: Up to £850 p/d Duration: 6 Month - Rolling Location: London - Hybrid We are looking for a Java Developer, with strong experience working in the finance sector, to join a leading trading firm based in London and help them with a greenfield built out of a next generation high performance trading system. This role will give you...