1 to 25 of 68 Senior Developer Jobs in the South East

Senior COBOL Developer Oxfordshire/Hybrid (1-day per week in office) Easily commutable from Birmingham, Coventry & London £55k - £65k + Corporate benefits A long-established software business is hiring a Senior COBOL Developer to maintain and support its core platform during a 4-5 years … Code management with Endevor, ChangeMan, SCLM or similar Pragmatic approach to legacy code, with the patience to read it carefully before changing it Keywords: Senior COBOL Developer, Enterprise COBOL Developer, VS COBOL II Developer, Mainframe Developer, COBOL CICS Developer, COBOL DB2 Developer ...

Senior C++ Developer - London Based in the City of London (2 days in the office)/6 months rolling/£650 per day (Inside IR35) A global leading fintech solutions company and member of the Fortune 500, seek an experienced Senior C++ Developer/Software Engineer … 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 Azure Developer - Active SC, Azure Service Bus, D365 Up to £550 per day (Inside IR35) London/Remote 12 months My client is an instantly recognisable consultancy who urgently requires a Senior Developer with Active Security Clearance (SC), and expertise in Azure Service … Dynamics 365, to join a business-critical programme. Key Requirements: Proven experience working as a Senior Developer within the public sector Active Security Clearance (SC) Hands-on experience with Azure Service Bus and message queue systems. Microsoft Dynamics 365 and Power Automate expertise. Strong understanding of integration patterns ...

Senior Developer is required by fast growing and highly successful global organisation. This is a new opportunity within their experienced, dynamic IT team. Purpose : The 365 Senior Developer will lead and innovate in the creation, customisation, and optimisation of Microsoft 365 and SharePoint solutions that drive ...

Senior Software Developer | C#/.NET | Fully Remote The Role SalamanderSoft builds user identity and account lifecycle management for the education sector. Our software manages 3 million accounts daily across 4,000+ schools, colleges and universities in 34 countries, integrating with Azure, Microsoft 365, Google Workspace and more. … breaks, schools notice. When it works, they don’t, which means reliability, correctness and security aren’t aspirations, they’re requirements.We’re hiring a Senior Developer to take real ownership of parts of this platform: designing solutions, leading delivery, and raising the bar for how the team builds ...

Senior C# Developer/Engineer (C# .Net Desktop Application) Reigate/WFH to £90k Do you have expertise with C# desktop development, working on complex scalable systems? You could be progressing your career, in a senior, hands-on leadership role working on complex and technically challenging systems … with continual learning opportunities a global Fintech. As a Senior C# Developer you'll join an Agile team responsible for the flagship desktop insurance platform that handles 4 billion requests per month. You'll play a key role in architecting, designing and developing new features and enhancements whilst ...

Reed.ai is looking for a Senior Developer to join their team in Holborn, London. Overview Join a collaborative, forward-thinking team that values creativity, experimentation, and impact—and help redefine the future of recruitment through intelligent, human-centered technology. We’re looking for a talented and experienced Senior Fullstack Developer to play a pivotal role in the development and growth of a brand-new AI recruitment platform as it prepares to enter the market this summer. This is a rare opportunity to take a product from Beta launch to full market release and beyond, shaping ...

Senior .NET Developer (AWS & AI Architecture) Brighton, East Sussex (Hybrid) Tech Stack: .NET 8, AWS, SQL Server, DynamoDB, Anthropic Claude AI We are building a sophisticated CRM and Asset Management platform from the ground up, and we need a Senior .NET Developer to take total ownership … LLMs). Security: Implementing robust authentication via JWT, OAuth 2.0, and ASP.NET Core Identity. Other Requirements: Autonomy: You are comfortable being the sole backend developer, making architectural decisions. Problem Solver: You know when to use a relational schema and when to lean on NoSQL for speed and flexibility. Collaborator ...

Senior iOS Developer Swift/SwiftUI Bracknell area | Hybrid working (3 days in the office) Were looking for an experienced Senior iOS Developer to join a growing software team working on consumer-facing digital health applications. This role would suit someone who enjoys building well-structured … Health data. The environment is collaborative, quality-driven, and focused on delivering reliable software in a regulated setting. About the Role This is a senior position where you will play an important part in shaping the development of our iOS applications. You will work closely with Product Managers ...

Senior Back End Developer - £60k Office based 5 days a week Permanent. We need a Senior Web Developer to join a business that is organically growing and building an exceptional team to expand and deliver the best possible services to their varied client base. Ideally … want Senior Web Developers that can easily get to office near Aylesbury 5 days a week. We are looking for Senior Web Developers that are motivated, love coding and passionate about their work and want to progress their skillset and career. There is an opportunity to move into ...

Senior Full Stack Developer (Contract) Outside IR35 | Remote | Up to £600/day Overview We’re partnering with a specialist software consultancy delivering business-critical platforms across financial services and pensions. They’re looking for a Senior Full Stack Developer who enjoys proper engineering — clean architecture … ownership of solutions, and working alongside experienced senior engineers and QA specialists.This is a hands-on delivery role (no line management, no ticket-factory environments) with meaningful technical influence across the full stack. What you’ll be doing Designing and building end-to-end full-stack solutions ...

Senior Back End Developer - £60k Office based 5 days a week Permanent. We need a Senior Laravel Developer to join a business that is organically growing and building an exceptional team to expand and deliver the best possible services to their varied client base. Ideally … want Senior Back End PHP Developers that can easily get to office near Aylesbury 5 days a week. We are looking for Senior Laravel Developers that are motivated, love coding and passionate about their work and want to progress their skillset and career. There is an opportunity ...

Senior Java Developer Role - Minimum 6 years exp - Defence Sector - All Candidates must have a UK Passport to satisfy Government/MoD security vetting procedures - 5 days Onsite in Guildford based office - £50,000 - £85,000 + benefits (DOE) Essential Exp: Java, GUI Development using Java … Java Swing, Linux G.R.E. Recruitment is delighted to partner with a leading Defence Sector organisation who are looking to add a Senior Java Developer to their growing team in their Guildford office. In this role you'll be joining an experienced Java team working on user interfaces, developing ...

Senior COBOL Developer Oxfordshire/Hybrid (1-day per week in office) Easily commutable from Birmingham, Coventry & London £55k - £65k + Corporate benefits A long-established software business is hiring a Senior COBOL Developer to maintain and support its core platform during a 4-5 years ...

Senior Python Developer/Software Engineer (Python FastAPI Django) London to £120k Would you like to progress your career in a senior, hands-on role at an early stage AI start-up within the beauty space? As a Senior Python Developer you'll focus … projects What's in it for you: Salary to £120k Influential role with great career opportunities Apply now to find out more about this Senior Python Developer/Software Engineer (Python FastAPI Django) opportunity. ...

Senior Back End Developer - £60k Office based 5 days a week Permanent. We need a Senior Laravel Developer to join a business that is organically growing and building an exceptional team to expand and deliver the best possible services to their varied client base. Ideally … want Senior Back End PHP Developers that can easily get to office near Aylesbury 5 days a week click apply for full job details ...

Senior Back End Developer - £60k Office based 5 days a week Permanent. We need a Senior Web Developer to join a business that is organically growing and building an exceptional team to expand and deliver the best possible services to their varied client base click apply ...

Senior Back End Developer - £60k Office based 5 days a week Permanent. We need a Senior PHP/Laravel Developer to join a business that is organically growing and building an exceptional team to expand and deliver the best possible services to their varied client base. … Ideally, we want Senior Back End PHP Developers that can easily get to office near Aylesbury 5 days a week. We are looking for Senior PHP/Laravel Developers that are motivated, love coding and passionate about their work and want to progress their skillset and career. There ...

Senior Microsoft 365 Developer is required by fast growing and highly successful global organisation. This is a new opportunity within their experienced, dynamic IT team. Purpose : The Senior Microsoft 365 Developer will lead and innovate in the creation, customisation, and optimisation of Microsoft 365 and SharePoint ...

SENIOR SOFTWARE DEVELOPER £85,000 GUILDFORD This is an opportunity to join an innovation-led software consultancy working on complex, real-world engineering problems. The role offers high levels of autonomy, technically challenging work, and exposure to a wide variety of short-to-mid-term projects. THE COMPANY … chance to work on challenging systems rather than repetitive product features. THE ROLE Design and build end-to-end software solutions Work as a senior full-stack engineer (backend-leaning) Own delivery of complex technical problems Build, deploy and support cloud-based systems Collaborate with engineers and data specialists ...

Senior Back End Developer - £60k Office based 5 days a week Permanent. We need a Senior PHP/Laravel Developer to join a business that is organically growing and building an exceptional team to expand and deliver the best possible services to their varied client base ...

Senior Ruby on Rails Developer The Company We are working with a fast-growing, well-invested SaaS company that has been helping organisations manage information security and regulatory compliance since 2005. Its platform is used by more than 65,000 people across the UK, Europe … cares about delivering compliance technology properly, with a focus on strong engineering, practical process and scalable product development. The Role They are hiring a Senior Ruby on Rails Developer to join their backend engineering team. This is a senior individual contributor role with leadership expectations. You will ...

Senior SharePoint Developer & Administrator Location: London Employment Type: Permanent I am working with a leading international professional services firm that is seeking a talented Senior SharePoint Developer & Administrator to join its London technology team. This is an excellent opportunity to take ownership of modernising and enhancing … SharePoint 2016 solutions. Modern, user-friendly SharePoint Online intranet with meaningful customisations. Strong governance, clear documentation and scalable operational processes. If you're a Senior SharePoint specialist looking to lead impactful modernisation work within a global, forward-thinking firm, I'd love to connect for a confidential conversation. ...

Senior .NET/Angular Developer (Contract) - Inside IR35 Guildford (Onsite/Hybrid) | £400 per day | Initial 3 Months We're working with a forward-thinking legal services business, who are looking for a Senior Full Stack Developer to support the transition of their newly launched case ...

Senior DeveloperYou will take a central role in shaping the technical direction of bespoke hardware and software solutions that support critical communication infrastructure. This position offers the opportunity to lead system design processes and mentor a growing team while working with advanced satellite and network technologies. The essentials British ...