1 to 25 of 56 Senior Developer Jobs in Essex

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 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 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 .NET Developer (Licensing & CRM System) – Remote – Outside IR35 We're supporting an exciting greenfield project and are looking for an experienced Senior .NET Developer to join on a fully remote, outside IR35 contract starting January 2026. This is a 6-month engagement with strong potential … sprints using Jira. Frequent feature releases and stakeholder demos. Collaborative environment with a strong emphasis on quality and usability. Interested? If you're a senior-level .NET Developer who excels in enterprise builds and modern UI frameworks, this contract offers both challenge and impact. Get in touch ...

Senior SITS Developer | £55k - £68k | Remote We're partnering with a university who are ambitious and working on exciting projects. You'll be joining a small, collaborative team of SITS, Salesforce, and integration specialists with a genuine appetite for cross-skilling and modernising processes. Why This Role … Exceptional for a SITS Developer? Most SITS roles fall into one of two categories: BAU-heavy, little influence, repetitive support work Project-heavy but siloed with little say in system direction This role is neither. Title: Senior SITS Developer Duration: Permanent Location: Fully Remote Salary ...

Senior SITS Developer | £55k - £68k | Remote We're partnering with a university who are ambitious and working on exciting projects. You'll be joining a small, collaborative team of SITS, Salesforce, and integration specialists with a genuine appetite for cross-skilling and modernising processes. Why This Role … Exceptional for a SITS Developer? Most SITS roles fall into one of two categories: BAU-heavy, little influence, repetitive support work Project-heavy but siloed with little say in system direction This role is neither. Title: Senior SITS Developer Duration: Permanent Location: Fully Remote Salary ...

Senior SITS Developer | £55k - £68k | Remote We're partnering with a university who are ambitious and working on exciting projects. You'll be joining a small, collaborative team of SITS, Salesforce, and integration specialists with a genuine appetite for cross-skilling and modernising processes. Why This Role … Exceptional for a SITS Developer? Most SITS roles fall into one of two categories: BAU-heavy, little influence, repetitive support work Project-heavy but siloed with little say in system direction This role is neither. Title: Senior SITS Developer Duration: Permanent Location: Fully Remote Salary ...

Senior Applications Developer (Power Platform) Contract: onrolling Location: Remote (with equipment pickup + 1 day in-office per month) Working Hours: Full-Time Salary: £500 day rate As a Senior Applications Developer, you'll play a key role in creating and optimising digital products that ...

Senior Applications Developer (Power Platform) Contract: onrolling Location: Remote (with equipment pickup + 1 day in-office per month) Working Hours: Full-Time Salary: £500 day rate As a Senior Applications Developer, you'll play a key role in creating and optimising digital products that ...

Senior Dynamics 365 CRM Developer About the Role We are looking for a highly skilled Senior Dynamics 365 CRM Developer to design and deliver modern, cloud-based CRM solutions. This role is ideal for a hands-on technical expert who enjoys building data-driven, customer engagement ...

Senior Dynamics 365 CRM Developer About the Role We are looking for a highly skilled Senior Dynamics 365 CRM Developer to design and deliver modern, cloud-based CRM solutions. This role is ideal for a hands-on technical expert who enjoys building data-driven, customer engagement ...

Senior React Developer (Contract) Remote | 6-Month Contract | High-Scale Regulated Platform We're hiring a Senior React Developer to support the build and evolution of a large-scale, highly regulated digital platform in the payments/fintech space. This is a fully remote, contract role ...

Senior React Developer (Contract) Remote | 6-Month Contract | High-Scale Regulated Platform We're hiring a Senior React Developer to support the build and evolution of a large-scale, highly regulated digital platform in the payments/fintech space. This is a fully remote, contract role ...

Senior Full Stack Web Developer - ONSITE Mon-Fri onsite in Debden IG10 Salary to £100k (multiple roles & levels) + p ension scheme + health Free onsite gym & parking Offices are a 5 mins walk from Debden tube station (Central line) with close road links to M11/… data for recruitment purposes only (details of Profile 29s privacy policy can be found at: profile-29 .com/privacy) Profile 29 recruitment keywords: senior web developer lead web developer London Essex ASP.NET MVC MVC5 C# 6 Design Patterns SOLID Entity Framework SQL Server TDD NUnit Javascript ...

have 6+ years commercial experience working as a Full Stack Developer using Java and Vue/React/Angular? Are you looking for a new challenge where you can capitalise on your proactiveness, taking initiative and ownership of your work? Senior Full Stack Developer – World-Leading Data … world in nearly 200 countries. As they continue to grow, both as a business and in reputation, they are looking for a talented Senior Full Stack Developer to join the team and contribute to the greenfield development of various new projects as well as maintaining and improving current ...

have 6+ years commercial experience working as a Full Stack Developer using Java and Vue/React/Angular? Are you looking for a new challenge where you can capitalise on your proactiveness, taking initiative and ownership of your work? Senior Full Stack Developer – World-Leading Data … world in nearly 200 countries. As they continue to grow, both as a business and in reputation, they are looking for a talented Senior Full Stack Developer to join the team and contribute to the greenfield development of various new projects as well as maintaining and improving current ...

product, customer success, marketing, and sales, we're gearing up for hyper‐growth. We're looking for two down‐to‐earth professional, a conscientious Senior Software Developer, to build on what already works and unlock our next wave of innovation. Your Impact Raise the bar sensibly. Whether … refining our Azure architecture as CTO or shipping revenue‐critical features as Senior Dev, you'll set high standards without reinventing the wheel. Champion intuitive user experiences. Both roles care deeply about usability, ensuring our platform feels effortless for travel pros and their travellers. Own the craft. Understand ...

product, customer success, marketing, and sales, we're gearing up for hyper‐growth. We're looking for two down‐to‐earth professional, a conscientious Senior Software Developer, to build on what already works and unlock our next wave of innovation. Your Impact Raise the bar sensibly. Whether … refining our Azure architecture as CTO or shipping revenue‐critical features as Senior Dev, you'll set high standards without reinventing the wheel. Champion intuitive user experiences. Both roles care deeply about usability, ensuring our platform feels effortless for travel pros and their travellers. Own the craft. Understand ...

highest-rated specialist insurers, ensuring reliability and quality for our customers. Role Description This is a full-time remote position for a Senior Full Stack Developer/Full Stack Developer specializing in the insurance retail sector. Responsibilities include building and maintaining robust, scalable, and user-friendly software … Premiums, IPT, commission splits Bordereaux, claims data, and insurer reporting Audit trails and data integrity Collaboration & Delivery Work closely with Product, Compliance, Operations, and Senior Leadership. Translate business and regulatory requirements into technical solutions. Support junior developers and contribute to setting development standards and best practices. Participate in sprint ...

highest-rated specialist insurers, ensuring reliability and quality for our customers. Role Description This is a full-time remote position for a Senior Full Stack Developer/Full Stack Developer specializing in the insurance retail sector. Responsibilities include building and maintaining robust, scalable, and user-friendly software … Premiums, IPT, commission splits Bordereaux, claims data, and insurer reporting Audit trails and data integrity Collaboration & Delivery Work closely with Product, Compliance, Operations, and Senior Leadership. Translate business and regulatory requirements into technical solutions. Support junior developers and contribute to setting development standards and best practices. Participate in sprint ...

highest-rated specialist insurers, ensuring reliability and quality for our customers. Role Description This is a full-time remote position for a Senior Full Stack Developer/Full Stack Developer specializing in the insurance retail sector. Responsibilities include building and maintaining robust, scalable, and user-friendly software … Premiums, IPT, commission splits Bordereaux, claims data, and insurer reporting Audit trails and data integrity Collaboration & Delivery Work closely with Product, Compliance, Operations, and Senior Leadership. Translate business and regulatory requirements into technical solutions. Support junior developers and contribute to setting development standards and best practices. Participate in sprint ...

Senior Product Engineer | Remote First | £100k plus bonus Step into a role where you'll shape products that thousands of users rely on every day and collaborate with the top 5% of developers in the UK. You'll work closely with product, design, and data teams to define features ...

Senior Product Engineer | Remote First | £100k plus bonus Step into a role where you'll shape products that thousands of users rely on every day and collaborate with the top 5% of developers in the UK. You'll work closely with product, design, and data teams to define features ...

Senior PHP Engineer - £80,000 - Remote (UK) We're an established, high-growth SaaS company that builds enterprise-grade lead management and data integrity software used by some of the world's largest brands. Their platform helps global enterprises ensure their marketing and sales data is clean, compliant … directly influence the evolution of a platform reshaping how large organisations manage and optimise their data supply chains. Who are we looking for? A Senior PHP Engineer with strong backend experience using Symfony frameowrk and confidence working with modern TypeScript based lanuages such as React or Angular. ...

Senior PHP Engineer - £80,000 - Remote (UK) We're an established, high-growth SaaS company that builds enterprise-grade lead management and data integrity software used by some of the world's largest brands. Their platform helps global enterprises ensure their marketing and sales data is clean, compliant … directly influence the evolution of a platform reshaping how large organisations manage and optimise their data supply chains. Who are we looking for? A Senior PHP Engineer with strong backend experience using Symfony frameowrk and confidence working with modern TypeScript based lanuages such as React or Angular. ...