126 to 150 of 1,208 Permanent Senior Developer Jobs

Senior Go Developer Location: London Bridge Hybrid: 1x every fortnight We are working with a small, technical team based in London Bridge to build innovative solutions, working with cutting-edge, open-source platform frameworks. As a Senior Go Developer, you will work on complex distributed systems, shaping modern development, contributing to product design and working closely More ❯

Job Title: Senior Full Stack Systems Developer (Environment) Ref. No.: CJD171025K Location: Based near London Salary: £80,000 - £85,000 This is an incredible opportunity to join my client, an industry-leading, eco-conscious Technology Company, renowned for lending their expertise to Water Quality and Infrastructure projects. They are actively seeking an experienced, capable Senior Full Stack … Systems Developer with a knowledge and passion for the environment, willing to take on a variety of challenging projects alongside an established team of professionals, based just north of the thriving, multicultural Capital City of London. Benefits for the role of Senior Full Stack Systems Developer include (but are not limited to): A highly-competitive salary (commensurate … experience) Performance-related bonuses Contributory Pension Scheme (7% company contribution) Generous annual leave entitlement Private Medical Insurance Scheme Electric Vehicle (EV) Salary Sacrifice Scheme Responsibilities for the role of Senior Full Stack Systems Developer include: Overseeing a team of technological experts Leading the production and deployment of the company's software products and services across the environmental sector More ❯

Job Title: Senior Full Stack Systems Developer (Environment) Ref. No.: CJD(phone number removed)K Location: Based near London Salary: £80,000 - £85,000 This is an incredible opportunity to join my client, an industry-leading, eco-conscious Technology Company, renowned for lending their expertise to Water Quality and Infrastructure projects. They are actively seeking an experienced, capable … Senior Full Stack Systems Developer with a knowledge and passion for the environment, willing to take on a variety of challenging projects alongside an established team of professionals, based just north of the thriving, multicultural Capital City of London. Benefits for the role of Senior Full Stack Systems Developer include (but are not limited to): A … experience) Performance-related bonuses Contributory Pension Scheme (7% company contribution) Generous annual leave entitlement Private Medical Insurance Scheme Electric Vehicle (EV) Salary Sacrifice Scheme Responsibilities for the role of Senior Full Stack Systems Developer include: Overseeing a team of technological experts Leading the production and deployment of the company's software products and services across the environmental sector More ❯

Senior Frontend Developer This is an office based role requiring 5 days per week in their new London office. La Fosse are partnering with a market leader within the energy & trading sector, with a strong presence across oil & gas, renewables, power and carbon. They're in the market for a Senior Frontend Developer, with excellent React More ❯

Senior Frontend Developer This is an office based role requiring 5 days per week in their new London office. La Fosse are partnering with a market leader within the energy & trading sector, with a strong presence across oil & gas, renewables, power and carbon. They're in the market for a Senior Frontend Developer, with excellent React More ❯

Senior Frontend Developer This is an office based role requiring 5 days per week in their new London office. La Fosse are partnering with a market leader within the energy & trading sector, with a strong presence across oil & gas, renewables, power and carbon. They're in the market for a Senior Frontend Developer, with excellent React More ❯

Senior Frontend Developer This is an office based role requiring 5 days per week in their new London office. La Fosse are partnering with a market leader within the energy & trading sector, with a strong presence across oil & gas, renewables, power and carbon. They're in the market for a Senior Frontend Developer, with excellent React More ❯

Senior Frontend Developer This is an office based role requiring 5 days per week in their new London office. La Fosse are partnering with a market leader within the energy & trading sector, with a strong presence across oil & gas, renewables, power and carbon. They're in the market for a Senior Frontend Developer, with excellent React More ❯

Senior Salesforce Developer - Service Cloud Location: London : (Hybrid: 2 days office-based, 3 days remote) Right to Work: Candidates must have the right to work in the UK without visa restrictions (no sponsorship offered) Our client is looking for a Senior Salesforce Developer responsible for hands-on Salesforce development and platform optimisation. This role focuses on … and version control. Review and manage the impact of Salesforce seasonal releases, including system updates and regression testing. Essential Skills and Experience Significant hands-on experience as a Salesforce Developer in complex environments. Expertise in Apex, Lightning Web Components (LWC), SOQL, REST/SOAP APIs, and Salesforce configuration tools. Strong working knowledge of Salesforce Service Cloud (essential); experience with More ❯

Senior Salesforce Developer - Service Cloud Location: London : (Hybrid: 2 days office-based, 3 days remote) Right to Work: Candidates must have the right to work in the UK without visa restrictions (no sponsorship offered) Our client is looking for a Senior Salesforce Developer responsible for hands-on Salesforce development and platform optimisation. This role focuses on … and version control. Review and manage the impact of Salesforce seasonal releases, including system updates and regression testing. Essential Skills and Experience Significant hands-on experience as a Salesforce Developer in complex environments. Expertise in Apex, Lightning Web Components (LWC), SOQL, REST/SOAP APIs, and Salesforce configuration tools. Strong working knowledge of Salesforce Service Cloud (essential); experience with More ❯

Senior Full Stack Java Developer Role - Leading SaaS Based Automation Company - Berkshire - Hybrid/Once a Fortnight onsite in Berkshire based office (Moving to new offices in Reading in March 2026 - 2 days onsite from March 2026) - Up to £80,000 + 10% Bonus + Benefits Are you a Senior Full Stack Java Developer looking for … business/mission critical automation platforms for iconic world brands? G.R.E. Recruitment is delighted to partner with a leading SaaS based Automation Company who are looking to add a Senior Full Stack Java Developer to their dynamic scaling development team. These roles will initially be once a fortnight in the Berkshire based office as they plan to move … to new offices in Reading - then it will be twice per week in the office from March 2026. For this role I am looking for a Senior Full Stack Java Developer with 5yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure with strong experience of working across the full More ❯

Senior Oracle PL/SQL Developer, OLTP, Technically challenging hands-on coding role in a large and complex environment. Slough, Berkshire (office based in Slough during probation then 3 days in the office and 2 days working from home). Salary most likely to be in the range of £60000 - 80000 + benefits. Successful software technology company based … in Slough are looking for a Senior Oracle developer to join their team. To be considered you will have excellent PL/SQL development skills with strong knowledge of OLTP, table designs, SQL queries and more. In addition you must also have worked in a large and complex environment. Ideally you will have worked in a software product … A strong and stable career history. * Proven experience of working in a large and complex environment. * Degree level or equivalent education This is an excellent opportunity for a skilled Senior Oracle developer who enjoys hands-on coding in a complex and large transactional environment. Working within a skilled team of Oracle developers you will be developing software for More ❯

Senior Endur Developer up to £1,200 Outside IR35 London They are seeking an experienced Senior Endur Developer to join their technology team and help shape a brand-new Endur instance from the ground up. Build and optimize Endur objects, JVS Java, and SQL solutions. Contribute to all stages of the project, from design and More ❯

Job Title: Senior/Lead Full Stack Systems Developer (Environment) Ref. No.: CJD101025J Location: St. Albans Salary: £80,000 - £85,000 This is a wonderful opportunity to join my client, an industry-leading, eco-conscious Technology Company, renowned for lending their expertise in providing monitoring systems for Water Quality and Infrastructure. They are actively seeking a keen, experienced … Senior Full Stack Systems Developer with a passion for the environment, willing to take on a variety of challenging projects alongside an established team of professionals, based near the vibrant, historical city of St. Albans. Benefits for the role of Senior Full Stack Systems Developer include (but are not limited to): A competitive salary Performance-related … bonuses Contributory Pension Scheme (7% company contribution) Generous annual leave entitlement Private Medical Insurance Scheme Electric Vehicle Salary Sacrifice Scheme Responsibilities for the role of Senior Full Stack Systems Developer include: Overseeing a team of technological experts Leading the production and deployment of the company's software products and services Monitoring the continued maintenance of the products and More ❯

Senior Backend Developer | Java, Spring Boot, RESTful APIs Manchester | Hybrid Up to £85,000 A leading global technology-driven services company in the financial/hospitality sector is seeking a Senior Backend Developer to help architect, build, and optimize backend systems for their international platform. In this role, you will lead the design, development, and deployment … skilled in designing RESTful APIs, developing efficient database schemas, and implementing best practices in security and cloud-based environments. Experience with AWS is highly desirable. This position suits a senior engineer who enjoys being hands-on while also guiding and supporting junior team members and collaborating with a wide range of technical teams. Essential Skills Java Spring Boot RESTful More ❯

Senior Full Stack Systems DeveloperLocation: Watford (Hybrid)Salary: £75,000 - £85,000 + Bonus + Benefits Reference: BY128941 This is a fantastic opportunity to join a leading innovator in environmental technology, with a decade-long track record building innovative, end-to-end monitoring ecosystem across the UK. The team's cutting-edge tools contribute to monitoring environmental data in … real-time. Due to continued growth and increased requirements, they're seeking a Senior Full Stack Developer to lead a team of developers and help shape the next generation of their digital systems and services. This Senior Full Stack Systems Developer role offers: A competitive salary (£75,000 - £85,000 salary + profit/performance bonus … with scope for increased salary with progression. Generous annual leave and pension scheme Private medical cover Electric vehicle salary sacrifice scheme Collaborative culture focused on innovation and impact The Senior Full Stack Systems Developer selected will be leading full-stack development across cloud-based software products, with a good understanding of Full Software System Lifecycle from architecture to More ❯

Senior Frontend Developer Location: Remote Salary: To £90,000, depending on experience. Sector: Technology/Data Infrastructure Client: Leading Global Data Centre Provider A prestigious data centre provider is seeking a highly skilled Senior Front End Developer to lead the development of large-scale, enterprise-grade applications. Data centre providers are one of the fastest growing More ❯

Job Title: Senior Developer (Ruby on Rails with Front-End Expertise) Location: Cupertino, CA, USA Job Summary: Looking for experienced and passionate Ruby on Rails (RoR) Developer with strong front-end development skills to build and enhance robust, scalable web portal/application. The ideal candidate should possess strong front-end development skills (in addition to their … front-end technologies such as JavaScript, HTML5, CSS3, and React or similar frameworks. Experience Requirements: 6+ Years of IT Experience Around 5+ hands-on experience as Ruby on Rails Developer (with front-end development skills like JavaScript, HTML5, CSS3, and React or similar framework). Qualifications: BS or equivalent degree in Computer Science Engineering or related discipline. Skills Requirements More ❯

Senior Laravel Developer w/ReactJS 🌳🌳 Areti has partnered with a brilliant telco business seeking an experienced Senior Full Stack Developer to join the team, working to deliver their bespoke telco software and revolutionising their industry. Remote with once a month travel to Reading Salary circa £60-65k You'll be joining a team of More ❯

Senior Go Developer Location: London Bridge Hybrid: 1x every fortnight As a Senior Go Developer, you will work on complex distributed systems, shaping modern development, contributing to product design and working closely with customers to solve challenges that impact global engineering teams. Experience in working in Agile environments London Bridge, Hybrid (1 day in office every More ❯

Senior C# Developer/Backend Software Engineer (C# .Net Core) *Newcastle onsite* to £130k+ Are you a backend focused C# Developer with a strong academic background, looking to take the next step in your career? This is an opportunity to work on complex, high-impact systems at a growing FinTech scale-up with solid financial backing, a … holiday Bupa healthcare Generous pension contribution Continuous career development opportunities Social team atmosphere with a range of events and early finish for drinks on Fridays Your role: As a Senior C# Developer you will collaborate with a small, talented team to deliver the core platform within a Microsoft environment using the latest versions of C# .Net to produce … Structures, Design Patterns, Algorithms You're excited to join a start-up in a role that you can shape and influence Apply now to find out more about this Senior C# Developer/Backend Software Engineer (C# .Net Core) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and More ❯

Senior C# Developer/Backend Software Engineer (C# .Net Core) *Newcastle onsite* to £130k+ Are you a backend focused C# Developer with a strong academic background, looking to take the next step in your career? This is an opportunity to work on complex, high-impact systems at a growing FinTech scale-up with solid financial backing, a … holiday Bupa healthcare Generous pension contribution Continuous career development opportunities Social team atmosphere with a range of events and early finish for drinks on Fridays Your role: As a Senior C# Developer you will collaborate with a small, talented team to deliver the core platform within a Microsoft environment using the latest versions of C# .Net to produce … Structures, Design Patterns, Algorithms You're excited to join a start-up in a role that you can shape and influence Apply now to find out more about this Senior C# Developer/Backend Software Engineer (C# .Net Core) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and More ❯

Senior BI Developer Global Travel F&B Leader (London HQ) Circa £75k + Hybrid (2/3 days onsite) We're looking for a Senior BI Developer to join a world-leading F&B operator at their global hub in London, leading the charge on data democratization and business intelligence. This is a hands-on leadership More ❯

Senior BI Developer Global Travel F&B Leader (London HQ) Circa £75k + Hybrid (2/3 days onsite) We're looking for a Senior BI Developer to join a world-leading F&B operator at their global hub in London, leading the charge on data democratization and business intelligence. This is a hands-on leadership More ❯

Senior BI Developer Global Travel F&B Leader (London HQ) Circa £75k + Hybrid (2/3 days onsite) We're looking for a Senior BI Developer to join a world-leading F&B operator at their global hub in London, leading the charge on data democratization and business intelligence. This is a hands-on leadership More ❯