1 to 25 of 80 Permanent Full-Stack Development Jobs in East Sussex

of delivering high-quality, user-focused features. · Version control (Git) and collaborative workflows. · Performance optimisation and responsive design implementation. Bonus Points For · Full-stack capabilities with Node.js or similar. · Familiarity with AWS or Azure services. · Experience with NoSQL/graph databases. · Knowledge of state management, testing More ❯

the founding team and the open-source community, you’ll influence both the product and the company’s broader strategy. Key Responsibilities: Feature Development: Plan, develop, test, deploy, and iterate on new features from start to finish. Community Engagement: Actively participate in the platform’s community on GitHub More ❯

of Engineering to lead and scale our software engineering function. This senior leadership role will focus heavily on software engineering excellence across full-stack development, system design, architecture, and software delivery processes — while also overseeing our data engineering, cloud infrastructure, and security functions. You … Software Engineering Leadership Set and own the technical roadmap, ensuring architectural scalability, security, performance, and maintainability of all software systems. Oversee full lifecycle software development — from requirements, technical design, development, testing, deployment, to post-release monitoring and maintenance. Establish, enforce, and continuously evolve software … requirements (e.g., GDPR, ISO 27001, OWASP Top 10). Team Management & Culture Build and scale high-performance engineering teams, including backend, frontend, full-stack, data, and security engineers. Define and track KPIs for engineering productivity, quality, and performance. Promote an engineering culture grounded in ownership, collaboration More ❯

and Design teams to bring polished, thoughtful features to life A STEM degree would be preferred. 🚀 What You’ll Be Doing: Leading the development of engaging, performant frontend experiences Collaborating with design and product teams to transform ideas into elegant, scalable UI components Getting stuck into a mix More ❯

Senior Full-Stack Developer – High-Growth Tech Startup Location: Remote Salary: Up to £85,000 This ambitious, early-stage tech startup is transforming how digital platforms leverage data and automation. Backed by a growing client base and a clear product vision, they are building a solution … that integrates complex data sources to power real-time insights and streamlined workflows. They are now seeking a Senior Full-Stack Developer to join their lean, high-performing team. This is a pivotal opportunity for someone who thrives in fast-paced environments, enjoys autonomy, and brings … from shaping APIs to delivering high-performance user interfaces helping define the technical direction of a rapidly evolving product. Responsibilities Lead full-stack development using NestJS, MongoDB, React, and TypeScript. Integrate and manage third-party APIs, including Meta’s API and a separate More ❯

CI/CD pipelines, and agile delivery Solid understanding of software engineering best practices, including SOLID and design patterns Comfortable working collaboratively across development, operations, and architecture teams What’s on Offer: Remote-first working model (UK only) Work for a 3-star “World Class” rated employer £55k More ❯

driven by quality engineering & innovation and try to do things in a product mindset based around their end users. The role is FULL-STACK but definitely leaning towards the backend. Their stack: Python React/TypeScript Node.js AWS PostgreSQL GenAI + experience with another More ❯

Advance the values of the organisation (caring, accountability, integrity, empowerment, passion, fun) What will make you stand out: Extensive experience in professional software development, with a strong track record of building and delivering high-quality applications Expert proficiency with JavaScript (NextJS, TypeScript, and SST) Strong experience with Event More ❯

a Full Stack Engineer to help design, develop, and scale our FinTech platform. This role leans heavily towards backend development, where you'll be responsible for building and optimising the core services and APIs that drive our system. You’ll work on ensuring high More ❯

-time Senior-level Software Engineer to join the NGIS EU in team in Canada, UK or Italy to help with the development and delivery of our TraceMark Software as a Service products. The TraceMark Sustainable Solution factory includes products for: Sustainable Sourcing (https://tracemark.com … tracemark.com/flow) Sustainable Fashion (https://materialsimpactexplorer.com/). As a Senior Software Engineer, you will be responsible for building full-stack web, desktop and mobile applications based on customer requirements. You will primarily be working on TraceMark Software as a Service solutions as … part of a high performing, multinational software development team. You will need to have strong written and verbal communication skills and be able to work independently, occasionally dealing directly with clients. About You At least 5 years of commercial software development experience and familiarity with agile More ❯

and efficient web apps. Work Across the Stack - Frontend (React, Vue, or Angular) & Backend (Node.js, Python, Java, .NET). Database & API Development - Design and maintain SQL & NoSQL databases and RESTful APIs. Deploy & Maintain - Use Docker, Kubernetes, AWS, or Azure for … scalable deployments. Collaborate - Work closely with product teams to turn ideas into reality. What We're Looking For: 3+ years' experience in full-stack development. Proficiency in JavaScript (React, Vue, Angular) & backend tech (Node.js, Python, Java, .NET). Experience with databases (MongoDB, PostgreSQL, MySQL, etc.). More ❯

up. What You’ll Be Doing Architect and build a high-scale system designed for millions of users Lead CI/CD pipeline development, testing infrastructure, and system design Collaborate with ML engineers to deploy models into production Work with multi-modal data (text, images, audio, video) Shape More ❯

🚀 Hiring: AI SaaS Developer – Scalable MVP Build We’re building a scalable MVP for a healthcare-focused SaaS platform. You’ll be responsible for developing the AI functionality and key dashboard features. 🧠 Core Features Audio recording + transcription AI-generated More ❯

to coding, testing, and peer reviews Stay ahead of industry trends and mentor team members What they are Looking For: 10+ years of development experience (Solidity, Node.js, React, etc.) Strong database and version control expertise (Git, PostgreSQL) Agile team player with project management skills Bonus: Go, Rust, Swift More ❯

experience) About the Role We are seeking a skilled mid-level C# Full Stack Developer to join our agile development team within a well-established engineering business based in Brighton. In this role, you will work across the full stack … developing new features, refining existing functionality, and contributing to the future direction of our product. Your responsibilities will encompass C# frontend and backend development , Android app development , and some Flutter work , making this an ideal opportunity for someone comfortable transitioning between server-side and client-side … Essential Skills & Experience 2+ years professional experience with C# and RESTful APIs Strong knowledge of client/server architecture and full stack development Comfortable with HTML, CSS, JavaScript and modern frontend practices Experience with cloud services (Azure or AWS) and containerised deployments Familiar with More ❯

experience) About the Role We are seeking a skilled mid-level C# Full Stack Developer to join our agile development team within a well-established engineering business based in Brighton. In this role, you will work across the full stack … developing new features, refining existing functionality, and contributing to the future direction of our product. Your responsibilities will encompass C# frontend and backend development , Android app development , and some Flutter work , making this an ideal opportunity for someone comfortable transitioning between server-side and client-side … Essential Skills & Experience 2+ years professional experience with C# and RESTful APIs Strong knowledge of client/server architecture and full stack development Comfortable with HTML, CSS, JavaScript and modern frontend practices Experience with cloud services (Azure or AWS) and containerised deployments Familiar with More ❯

AWS) Databases: PostgreSQL, DynamoDB Additional Tools & Frameworks: GraphQL, REST APIs, Software Design Patterns – TDD, DDD, Agile methodologies: Scrum and Kanban 🌳 Key Responsibilities 🌳 Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. … Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable … efficient code. DevOps & CI/CD : Use DevOps processes, including virtualization , containerization , and CI/CD pipelines to streamline development and deployment. Agile Collaboration : Work closely with cross-functional teams using Scrum and Kanban to deliver high-quality products in an agile environment. 🌳 Requirements 🌳 Polyglot Developer : Proficiency in More ❯

in mentoring junior developers as the team expands. 🧠 What We’re Looking For - Solid experience with full stack JavaScript development with Node & React. - Hands-on experience scaling applications and working with cloud infrastructure using AWS. - Strong understanding of web application architecture and modern design More ❯

Stack Developer to join our Product Engineering team. This is a hands-on technical role initially focused on leading the development of modern web applications across multiple client projects. You'll help shape technical architecture, contribute directly to code and collaborate closely with Agile teams … to deliver secure and maintainable software solutions. Our projects primarily utilise React and TypeScript for front-end development with varied back-end technologies including Python, Node.js, .NET and Ruby. You'll benefit from robust DevOps support, established delivery processes and the autonomy to shape how we approach and … engineers and delivery leads to deliver secure, maintainable systems Participate in workshops, demos and discussions with internal teams and clients Contribute to the development of internal delivery standards and team culture Take on line management responsibilities as the role matures, including conducting 1:1s, providing performance feedback and More ❯

Framework, WinForms, WCF Client-Server Architecture, MS SQL Server Modern .NET 9, Blazor, Minimal APIs Entity Framework, Redis, RabbitMQ Aspire (.NET), Cloud-Native development Key Responsibilities Project Leadership – Lead projects … from concept to deployment, collaborating with senior developers and the technical director to design and implement architectural and technical solutions. Full Stack Development – Maintain and enhance both legacy desktop applications and modern browser-based web apps. Legacy-to-Modern Migration – Help drive the migration … stakeholders. Degree in Computer Science or related field (or equivalent experience). Bonus Points For Experience with Blazor and RESTful/API-first development Familiarity with Azure or other cloud platforms Understanding of .NET Aspire and containerisation (e.g. Docker) CI/CD pipelines, DevOps practices OAuth/OpenID More ❯

additional projects that will allow you to scope out additional skills in data engineering, AI, Machine Learning and Power BI. Perfect for personal development! If you have a strong desire to work in a smaller team and develop in a range of skills personally, then this could be More ❯

Finance, Retail & Energy sectors. Budget: £55k + full benefits + fully remote Primary requirements: Must be eligible for SC Clearance Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent Frontend Development: Experience in building React applications More ❯

in at least one all purpose imperative language: Python (ideal), Java, C++, etc. Familiar with modern DevOps/CloudOps best practices - test driven development, CI/CD, etc. Desirable: prior experience with Azure and NoSQL Desirable: experience and interest in machine learning, data engineering, and data visualization Cultural … with experience Unlimited annual leave Up to 15% performance-based bonus Flexible working conditions and international travel Budget for co-working space Professional development programs We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity More ❯

mission. As a key member of our global team, you will work across the full stack, contributing to the development and automation of tooling and continual improvement of existing in use systems, while collaborating with engineers and stakeholders across the U.S. and Europe. This … role will play a critical part in the continued improvement, scalable development, and support of products used to deliver Beazley Security services. As a Senior Software Engineer, this role will provide technical guidance around architecture and development, as well as mentor members of the Engineering team. … This is an excellent opportunity for a motivated self-starter to make a significant impact in a dynamic and fast-paced environment. Responsibilities: Development: Create user-friendly interfaces using HTML, CSS, JavaScript, and TypeScript. Develop and help design scalable and efficient back-end solutions using Python and/ More ❯

a Senior Software Developer to join a small, agile engineering team working on impactful, business-critical software. This is a hands-on full-stack role with a strong focus on the .NET ecosystem. You'll play a leading part in maintaining and evolving internal applications and … What You'll Be Doing: Designing, building, and maintaining internal and client-facing software using C#, .NET, Angular , and related technologies Leading the development of new features using modern DevOps and deployment practices ( Docker, AWS ECS, CI/CD ) Refactoring and optimising legacy systems for performance, scalability, and … efficient technical solutions Contributing to architectural decisions, technical direction, and documentation 🧠 What You Bring: 3-5+ years of commercial experience in software development (ideally in regulated or B2B environments) Strong skills in: C#/.NET Core/.NET Framework Angular or similar front-end frameworks MS SQL More ❯