Back-end Developer jobs in Chelmsford

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...

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...

You will work as part of a collaborative R&D team focused on delivering high-quality features, and developing the client architecture using the latest UI patterns.

Job Description 💻: GIS Development 🏢: Leading Global Marine Company 🍃: Offshore Wind 📌: Remote - 1 trip per month to the office An established geoscience and offshore energy consultancy is looking for a Geospatial Developer to join its UK-based team, with opportunities to work from Newcastle, Aberdeen, Glasgow or London 🌍 This role is ideal for someone who enjoys turning complex spatial...

Software Developer (Web & Internal Tools) Remote-first | UK-based up to £50,000 PA Dependent on experience We’re supporting a well established UK adventure business that has recently brought its website development in-house and is now modernising internal systems and tooling. This is a hands on role in a small, trusted tech team, working across a customer facing web platform and the internal...

We’re Cuva Health, a UK healthcare start-up on a mission to make access to treatments simpler, safer, and more convenient. Our digital platform is built with React.js & Nuxt.js, and we’re looking for a Full-Stack Developer to help us complete our initial project, deliver new features, optimise performance, and scale our platform as we grow. What you’ll do - Develop and extend our React.js &...

You will have the opportunity to: - Bring experience in sales, business development, health, coaching or leadership — or simply be willing to learn - Recommend pharma-grade, science-backed products - Earn commission + global income streams through product referrals & international team building

National Business Development Manager Liverpool, Manchester, Leeds, Sheffield based Salary: £42-45k (up to £50k for top performers) + OTE £15-25k Package: £700 pcm car allowance, mobile, laptop, iPad, pension, 24 days holiday We're looking for a hunter‑style salesperson to drive new business across the UK dealer network. This is a national role with full autonomy - you'll manage your own...

Job Description Join Colchester Institute – Where Your Career Makes a Difference At Colchester Institute, we believe in the power of education to transform lives and communities. As one of the leading providers of education and training in the region, we are proud to offer a dynamic, supportive, and forward-thinking working environment. Whether you're an experienced professional or just...

Web Developer Location: Remote Role Overview Our clients are seeking an experienced Web Developer to build, maintain, and enhance their web-based platforms. The role involves working closely with internal teams and third-party partners to deliver robust, scalable solutions that support MTS’s growing digital and e-commerce footprint. Key Responsibilities - Collaborate with technical and...

Multiple Roles Available – Solar PV Development & Delivery Location: Baglan, South Wales Employment type: Full-time Sector: Renewable Energy / Solar PV Winfield Energy UK Ltd is the UK subsidiary of Winfield Co Japan Ltd, specialising in the development and delivery of medium-scale ground-mounted solar PV projects. Due to continued growth and an expanding UK project pipeline, we are looking...

About Us Innovation is at the heart of everything we do at Offshoot Operations. Our Graphics Team delivers end-to-end solutions for broadcasters, sports federations, and facility providers, encompassing design, data and social integration, motion graphics, hardware, and operational support. Our recent projects include major boxing World title fights, Games of the Future esports, Wimbledon, the...

You will take ownership of an established NHS customer base, working with procurement and clinical stakeholders to maintain service levels and identify growth opportunities. The role combines account development, stakeholder engagement, and effective territory management within NHS frameworks.

Location: Remote (UK-based) Salary: £38,000 - £42,000 base + uncapped commission OTE: £65,000 - £80,000+ Employment Type: Full-time, Permanent About FlowDesk BPO FlowDesk BPO builds and manages dedicated offshore teams for UK and international businesses. We're not a traditional outsourcing company—we're an operating partner that helps businesses scale faster through high-quality,...

Do you have call centre experience? Are you looking for a rewarding hustle? Compensation (Independent Contractor – UK) - On-Target Earnings (OTE): £70,000–£100,000+ GBP annually - Activity Retainer: Guaranteed £2,000 per month, earned by meeting a minimum average of 100 outbound calls per business day; retainer is prorated monthly if activity falls below this threshold - Demo Booking...

An exciting opportunity has arisen for a Business Development Manager – RF & Waveguide to join a UK-based, industry-leading manufacturer and technology organisation with over 75 years’ experience delivering RF, microwave and waveguide solutions into defence, medical, telecommunications, research and other mission-critical markets. This role suits a technically credible, commercially driven sales...

Senior JavaScript Developer / front End Engineer (Vue 3) Billericay / WFH to £75k Are you a JavaScript web technologist seeking an opportunity to work with a modern tech stack on Greenfield projects? You could be progressing your career in a senior, hands-on role at an eCommerce payments solutions provider that has experienced great success in the last year and is growing as a result. What's...

You will have a genuine interest in social value, sustainability and value for money, combined with a positive mindset and a natural ability to build long-term relationships.

Job Description Business Developer – Biomethane & Biogas - UK & Ireland Sector: Renewable Energy | Biomethane & Biogas Contract: Full-time | Senior-level About SYSADVANCE SYSADVANCE is a growing, agile, multinational company, deploying innovative solutions for the biomethane and biogas market. Market leaders, with a strong entrepreneurial culture, we support developers, operators and...

We're Cuva Health, a UK healthcare start-up on a mission to make access to treatments simpler, safer, and more convenient. Our digital platform is built with React.js & Nuxt.js, and we're looking for a Full-Stack Developer to help us complete our initial project, deliver new features, optimise performance, and scale our platform as we grow. What you'll do - Develop and extend our React.js &...