javascript developer react jobs in County Bristol

About Us: We're a forward-thinking technology company building innovative web solutions using modern development practices. Our team values continuous learning, collaboration, and cutting-edge technology to create exceptional digital experiences. Position Summary: We're seeking an enthusiastic Entry-Level JavaScript Developer to join our dynamic team on a contract basis. This is an excellent...

You will be responsible for building high-quality user interfaces, leading frontend architectural decisions, and helping guide our junior developers as they grow. This role is perfect for someone passionate about performance, user experience, and modern web technologies. Key Responsibilities

Senior React Native Mobile Developer Location: Bristol (Remote-first with occasional site visits) Employment Type: Permanent Salary: £65,000 - £75,000 DOE Visa Sponsorship: Not available A growing technology-led organisation is looking for a Senior React Native Mobile Developer to join their mobile engineering team. This is a remote-first permanent role , with occasional visits to the Bristol...

C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets with a flat structure where you will get your voice heard and can make a real impact...

You will be responsible for building high-quality user interfaces, leading frontend architectural decisions, and helping guide our junior developers as they grow. This role is perfect for someone passionate about performance, user experience, and modern web technologies. Key Responsibilities

You must speak, write and be able to understand fluent English. - Deep knowledge and regular usage of Firebase suite, especially Firestore. - Strong proficiency in TypeScript and modern JavaScript (ES6+).

You must enjoy constantly learning and researching to improve your level of expertise.

Position: Front End JavaScript Developer Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date: ASAP Purpose of the role: As a Front End Developer you will join one of our multinational Scrum teams to create state-of-the-art software solutions. In all...

We are currently recruiting full stack developers to join a trading technology team at a leading investment firm. This team is responsible for building a new front-office trading platform used directly by traders and quants. These roles are best suited for candidates with experience in full stack development using React and Python and particularly those who have built trading platforms from the...

You will be a great fit if you: - Have 5+ years full-stack experience, with strong JavaScript/TypeScript depth. - Are backend-leaning, with deep Node. js and API experience. - Have previously worked in early-stage start-ups or very lean engineering teams. - Have extensive evidence of being a hands-on individual contributor in complex codebases.

A fast-growing AI-driven SaaS company is hiring three Senior Software Engineers to join its engineering team. These are hands-on roles with a strong backend and architectural focus, ideal for engineers who enjoy working in scale up or startup environments and want to build high-quality, cloud-native software that powers real-world automation. You’ll be part of cross-functional squads delivering...

You will be contributing to client projects delivered in an agency environment, as well as occasional work on our in-house product.

You should be comfortable discussing requirements, demonstrating progress and raising risks early.

You will work across our monolithic Strapi codebase and React applications.

You will be expected to: ● Develop new features working with the data science ● Develop bug fixes and security patches promptly

You must be able to demonstrate the following: ● 6+ years experience full-stack development ● High proficiency with Typescript, React, Next, Azure, Pulumi and Node

You will be contributing to client projects delivered in an agency environment, as well as occasional work on our in-house product.

You should be comfortable discussing requirements, demonstrating progress and raising risks early.

You will work across our monolithic Strapi codebase and React applications.

You will work within an agile development approach, with the opportunity to contribute ideas around product design, structure, technology, usability and interface improvements.

You will be comfortable with JavaScript, React, HTML/CSS frameworks, SQL and Git, with strong attention to detail, good security practices and clear communication skills.

You will primarily focus on the mobile front end using React Native and Expo, but this is not a siloed role.

You will also contribute across the stack, collaborating on REST API design, integrating backend systems using Node.

You will thrive in this role if you are proactive, curious and care about delivering elegant solutions to messy real-world problems.

UX/UI + Frontend Developer Thursday Salary: £40-£50K Thursday is a singles IRL events company that organises singles events, trips, dinners, activities, education and media. We're building technology to scale our operations and enhance the experience for our members. We value equality and inclusion as core principles - our diverse audience deserves technology that serves everyone well, and...

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...

You will be contributing to client projects delivered in an agency environment, as well as occasional work on our in-house product.

You should be comfortable discussing requirements, demonstrating progress and raising risks early.

You will work across our monolithic Strapi codebase and React applications.

You will be responsible for building high-quality user interfaces, leading frontend architectural decisions, and helping guide our junior developers as they grow. This role is perfect for someone passionate about performance, user experience, and modern web technologies. Key Responsibilities

You will be responsible for building high-quality user interfaces, leading frontend architectural decisions, and helping guide our junior developers as they grow. This role is perfect for someone passionate about performance, user experience, and modern web technologies. Key Responsibilities Frontend Development: Build and maintain responsive, high-performance web interfaces using React, Next.