1 to 25 of 65 Senior Developer Jobs in the South East

Senior Scala Developer with solid functional programming understanding is sought on a remote basis by an international software house based in the UK. This Senior Scala Developer would be joining the innovation arm of the business tasked with building complex, highly scalable greenfield solutions utilised worldwide … deliver critical infrastructure. As such experience working on enterprise level applications would be a plus. This Senior Scala Developer will be joining a collaborative, continuous improvement focussed environment working within a mature estate but with scope to upskill in modern automation & containerisation technology. With a real commitment ...

Senior Developer - Full-Stack (C#, .NET, React, Azure) Location: Hybrid - London (1 day per week/fortnight onsite)Salary: Competitive up to £80000 + Excellent BenefitsType: Permanent Are you an experienced Senior Developer with strong full-stack skills and a passion for modern cloud technologies … exciting opportunity to join a forward-thinking organisation that is investing heavily in digital transformation and cutting-edge technology. About the Role As a Senior Developer, you'll play a key role in designing, developing and maintaining high-quality software solutions across both enterprise and client-facing environments. ...

Senior Developer - Active SC, Java, Oracle Up to £550 per day (Inside IR35) London/Hybrid 6 months My client is an instantly recognisable consultancy who urgently require a Senior Developer with Active Security Clearance (SC), to join a business-critical programme. Key Requirements: Proven experience … working as a Senior Developer within the public sector. Active Security Clearance (SC) Advanced proficiency in Java technologies (SE 8, EE 5/6/11, EJB, JSP) Proven experience supporting and modernising legacy applications Demonstrated ability to refactor complex codebases and develop robust automated tests Strong background ...

Senior Developer (Full time) Salary £56,312 - £65,697 (dependent on experience) - Hybrid working A bout Ordnance Survey Ordnance Survey is the national mapping agency for Great Britain, providing world-class geospatial data and services that power innovation, support national infrastructure, and help people make better decisions every … cutting-edge technology to solve real-world problems-and we're looking for talented people to join our mission. About the Role As a Senior Developer, you'll take a leading role in designing, building and delivering high-quality, AI-driven software solutions. You'll guide technical decision ...

Senior Application Developer - Remote UK - £60000 What is in it for you? As a talented Senior Application Developer you can expect: A supportive and adaptive culture Access to a structured training and career progression plan Opportunities to take the lead on critical projects and enhance your … across the banking, digital commerce and retail experience software space. Due to continued growth and demand for their products they now urgently need a Senior Application Developer to join their team. This role would suit a Senior Application Developer who has a love ...

Senior Software Developer – PHP/Laravel Maidstone, Kent Salary: Up to £55,000 Office-based (with some flexibility) Are you a Senior Developer confident in PHP and Laravel? Are you confident with Laravel and ready to take ownership of key projects? Looking to join a company … recruiting for a long-established and successful company based in Maidstone, Kent, looking to expand their internal development team. They are looking for a Senior Software Developer with strong PHP Laravel experience to take ownership of both greenfield and ongoing projects, from system design through to implementation ...

Senior Unity Developer - Immersive (AR/VR) & AI Projects Permanent/Full-Time Camberley-Based Studio - 1--2 days per week on-site We're working with an experience design studio that builds real-time VR and AR projects for clients in automotive, construction, infrastructure, hospitality and retail. … been steadily expanding and have a busy pipeline of projects for 2026, and beyond. Owing to this, they're looking to appoint an experienced Senior Unity Developer to join their team. What you'll do as Senior Unity Developer Build Unity applications across VR, AR, mobile ...

Senior C++ Developer/Software Engineer - London Based in the City of London (2 days in the office)/6 months rolling/£750 per day (Inside IR35) A global leading fintech solutions company and member of the Fortune 500, seek an experienced Senior C++ Developer … analysing, and modifying programming systems including encoding, testing, debugging and installing for a large-scale Mainframe computer system. Essential Duties and Responsibilities for the Senior C++ Developer/Software Engineer: Maintains project estimates and project management timelines for multiple major projects. Verifies completeness and accuracy of specifications ...

Senior React Developer required by a successful technology company whose office is in Staines. Hybrid working - 3 days per week in the office The successful Senior React Developer is likely to have a relevant degree and commercial experience in a similar role. The Senior Software … Developer will join an experienced team developing modern interactive user interfaces using React with TypeScript. Key experience React TypeScript JavaScript Experience in any of the following areas would be advantageous but is not a prerequisite Good software engineering principles eg Version control/Git, issue tracking, documentation etc Node.js ...

Senior React Developer required by a successful technology company whose office is in Staines. Hybrid working - 3 days per week in the office The successful Senior React Developer is likely to have a relevant degree and commercial experience in a similar role. The Senior Software … Developer will join an experienced team developing modern interactive user interfaces using React with TypeScript click apply for full job details ...

Senior Backend Developer (Java/Kotlin). Public Sector Contract. Transform Crime Data Management and Make a Difference. Up to £700 a day Inside IR35. 6 Month contract. Hybrid working from a hub of UK wide offices. Join the Electronic Monitoring team, a dedicated group focused on revolutionising … processes crime data efficiently. - Professional Growth: Engage with cutting-edge technologies and methodologies, enhancing your skill set and career trajectory. Key Responsibilities for the Senior Backend Developer: - Design and implement backend infrastructure to process crime data CSV files received from the police.- Develop APIs for secure data exchange ...

ServiceNow Senior Developer (HR Suite) – London (Hybrid) Contract | £600/day (Outside IR35) | Immediate Start Role Overview Morela is supporting our client on an exclusive basis . We are seeking a ServiceNow Senior Developer with strong HRSD (HR Service Delivery) experience and exposure to CBS . ...

Senior/Lead Software Developer - .NET, Entity Framework Hybrid/Remote/Bicester (1 day per week in office) - Strong rail & Motorway connections. An established UK technology business is looking to hire a Senior/Lead .NET Developer to join their software engineering team, working … RESTful APIs. You’ll also work with HTML, CSS and JavaScript, and use Git for version control within an agile development environment. As a senior developer, you’ll contribute to technical decision making, take part in code reviews, and help uphold development standards across the team. There ...

Senior Full-Stack Engineer Legal Innovation & AI | London | Hybrid We're building something different. While many innovation teams in law firms focus purely on off-the-shelf tools, this team is actively designing, customising, and building new solutions from the ground up. The aim? To embed technology deeper into … firm, move faster, and deliver smarter tools for lawyers and clients. This is a senior role within a growing Legal Innovation function that works at startup speed - but with the backing, support, and visibility of a top-tier firm. The Role You'll join a small but ambitious development ...

Senior .Net Developer - Onsite in Horsham - Up to £70k I am recruiting for a fast growing UK SaaS company that produces a market-leading SaaS platform used by Finance companies across the UK and Europe. Due to the continued and rapid growth of the company and the expansion … their SaaS product suite they are looking to hire a number of developers with a background in the ASP.Net. As a Software Developer, you will play a crucial role in ensuring the quality and reliability of software products to hundreds of blue-chip finance brand companies across ...

vulnerability research and exploit development. Have a real impact on offensive security covering everything from smartphones to cars in a low friction environment Senior Software Developer - Offensive Security Locations: Basingstoke Salary: Competitive, dependent on experience Currently recruiting for a Senior Software Developer to join a highly … with world-class vulnerability researchers, building complex software that interacts deeply with real-world platforms to deliver genuine security impact. The Role As a Senior Software Developer, you'll be developing robust, high-quality software in unusual and challenging environments, with a strong focus on offensive security. Your ...

Senior React Developer React, TypeScript, API, HTML, CSS, JavaScript Fareham, Hampshire. This role is to work in the office full time. Salary circa £40,000 - £60,000 plus benefits In 2023, cybercrime cost UK businesses an estimated £21 billion. But don't think its the just … self! They have built a suite of innovative products designed to offer superior protection against a broad spectrum of online threats. The role of Senior React Developer is a new position in the team demonstrating the increasing demand for a robust cyber solution. Working with a talented software ...

Senior PHP Developer Location: Fareham | Hybrid | On-site Salary: Up to £75,000 + benefits We're working with a well-established, award-winning technology business that's scaling rapidly and building a suite of market-leading products. As they continue to expand, they're looking … experienced Senior PHP Developer to join their backend engineering team. You'll play a key role in modernising core systems, improving scalability, and supporting the delivery of new features across a range of high-traffic products. The Role You'll join a collaborative, cross-functional team of backend ...

Senior Developer (Node/React) Are you a pragmatic, innovative, and self-motivated problem solver with a passion for building scalable, high-performing software? We're looking for a Senior Full Stack Engineer, with strong skills in Node and React, to join a high-performing product team ...

Senior PHP Developer Location: Fareham Hybrid On-site Salary: Up to £75,000 + benefits We're working with a well-established, award-winning technology business that's scaling rapidly and building a suite of market-leading products. As they continue to expand, they're looking … experienced Senior PHP Developer to join their backend engineering team click apply for full job details ...

Reed.ai is looking for a Senior Developer to join their team in Holborn, London. Overview Reed.ai is building the future of recruitment technology. We’re a small, fast-moving, and ambitious team on a mission to transform how people find work and employers discover talent—powered … want to build something meaningful from the ground up, this is the role for you. Key Responsibilities Contribute to our excellent team of 6 senior engineers, setting technical direction while coding and problem-solving. Own the end-to-end delivery of features, ensuring speed, scalability, and quality are never ...

Senior Software Engineer | Java | AI | London | £500-£600/day About the Role We are seeking an exceptional Senior Software Engineer with expertise in Java and AI to join our client, an established financial services brand, on a 6-month contract Outside IR35. This is a unique opportunity … Senior Software Engineer to work at the cutting edge of AI-driven development. The Opportunity As a Senior Software Engineer, you'll join a small, innovative team modernising and simplifying critical legacy services using cutting-edge AI tooling. You'll demonstrate what's possible when AI is deeply ...

Senior Software Developer (Voice/SIP Platforms) £55,000 £65,000 DOE | Hybrid Working (1x day a month office) Are you a seasoned developer with a passion for building robust, real-time communications platforms? Looking for a role where you can work on complex, enterprise-grade systems … enhancing and extending an existing SIP and VoIP platform used in production environments. This is a hands-on role suited to an experienced developer who enjoys solving complex protocol-level problems, building secure services, and integrating with third-party systems. Youll contribute across the full software lifecycle from design ...

supporting information regarding this job opportunity. Have a real impact on offensive security covering everything from smartphones to cars in a low friction environment Senior Software Developer - Offensive Security Locations: Basingstoke Salary: Competitive, dependent on experience Currently recruiting for a Senior Software Developer to join … with world-class vulnerability researchers, building complex software that interacts deeply with real-world platforms to deliver genuine security impact. The Role As a Senior Software Developer, you'll be developing robust, high-quality software in unusual and challenging environments, with a strong focus on offensive security. Your ...

Senior Software Developer (Voice/SIP Platforms) £55,000 £65,000 DOE Hybrid Working (1x day a month office) Are you a seasoned developer with a passion for building robust, real-time communications platforms? Looking for a role where you can work on complex, enterprise-grade systems ...