1 to 25 of 45 Senior Software Developer Jobs in the South East

and airlines ranging from check-In, Bag Drop and Biometrics, to smooth the passenger journey through the airport, along with helping airport reduce costs. Collins Aerospace is seeking a Senior Software Developer to join our team in Brighton to work on the current and next generations of Airport Solutions. In this exciting role, you will engage with … new and improved ways of delivering high quality solutions to our customer products. What You Will Do: Work with the Business Analysts and Development team to design and develop software solutions, following the Collins Software Development Lifecycle, using: Application development technologies including WPF, C#, XML, JSON Data interchange technologies such as WCF, Web APIs, SOAP Web technologies, including … REST, Microservices and AngularJS Interfacing with third party hardware and components. Work with the Quality Assurance/Test team to ensure that developed software has been tested at all levels of development, developing and sharing test plans Agree your workload through communications with your Leader and the Technical Project Manager Monitor your progress and report to the Technical Project More ❯

Senior Software Developer - C# Senior Software Developer required by a leading Cloud Technology company based in Bracknell. The company are working on cutting-edge technology including AI and propensity modelling. This is a brand-new position due to growth and will join a well-established, high calibre development team. The company operate on a … in the office and 2 days from home. Essential experience: Degree in Computer Science or other STEM subject ideally from a Russell Group University 5+ years' experience in a software development role C# SQL Server Source control, ideally Git Experience working within an Agile environment Any experience in the following would be advantageous: .NET 5/6 JavaScript, TypeScript More ❯

Senior Software Developer - C# Senior Software Developer required by a leading Cloud Technology company based in Bracknell. The company are working on cutting-edge technology including AI and propensity modelling. This is a brand-new position due to growth and will join a well-established, high calibre development team. The company operate on a … in the office and 2 days from home. Essential experience: Degree in Computer Science or other STEM subject ideally from a Russell Group University 5+ years' experience in a software development role C# SQL Server Source control, ideally Git Experience working within an Agile environment Any experience in the following would be advantageous: .NET 5/6 JavaScript, TypeScript More ❯

Senior Software Developer required by a leading Cloud Technology company based in Bracknell. The company are working on cutting-edge technology including AI and propensity modelling. This is a brand-new position due to growth and will join a well-established, high calibre development team. The company operate on a hybrid model which involves 3 days in … the office and 2 days from home. Essential experience: Degree in Computer Science or other STEM subject 3+ years' experience in a software development role C# SQL Server Source control, ideally Git Experience working within an Agile environment Any experience in the following would be advantageous: .NET 5/6 JavaScript, TypeScript and frameworks such as React.js Docker, Kubernetes More ❯

Senior Software Developer required by a leading Cloud Technology company based in Bracknell. The company are working on cutting-edge technology including AI and propensity modelling. This is a brand-new position due to growth and will join a well-established, high calibre development team. The company operate on a hybrid model which involves 3 days in … the office and 2 days from home. Essential experience: Degree in Computer Science or other STEM subject 3+ years' experience in a software development role C# SQL Server Source control, ideally Git Experience working within an Agile environment Any experience in the following would be advantageous: .NET 5/6 JavaScript, TypeScript and frameworks such as React.js Docker, Kubernetes More ❯

Senior Software Developer required by a leading Cloud Technology company based in Bracknell. The company are working on cutting-edge technology including AI and propensity modelling. This is a brand-new position due to growth and will join a well-established, high calibre development team. The company operate on a hybrid model which involves 3 days in … the office and 2 days from home. Essential experience: Degree in Computer Science or other STEM subject 3+ years' experience in a software development role C# SQL Server Source control, ideally Git Experience working within an Agile environment Any experience in the following would be advantageous: .NET 5/6 JavaScript, TypeScript and frameworks such as React.js Docker, Kubernetes More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Lead Software Engineering role in a growing SaaS product company ? Keen to grow your technical skills around .Net 8, assist the CTO directly with the adoption of the latest AI/LLM dev tools (Cursor, v0) & act as lead/mentor to a small Dev' team … If yes to the above & you'd like to join a growing, recently invested in, actually bringing offshore, back onshore, UK Software company – we'd like to speak with you! Job title: Lead Software Developer or Senior Software Developer looking for a step up to Lead. Location: Banbury, Oxfordshire. 3 days a week in … package. We can be somewhat flexible though - so please just get in touch. You'll have the full support of an Agile Scrum Master, excellent technical product team & obviously software engineers in your team. Our tech stack, below. But, in the main, if you have solid experience in .Net (C#) at a senior or lead level, please get More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Lead Software Engineering role in a growing SaaS product company ? Keen to grow your technical skills around .Net 8, assist the CTO directly with the adoption of the latest AI/LLM dev tools (Cursor, v0) & act as lead/mentor to a small Dev’ team … If yes to the above & you’d like to join a growing, recently invested in, actually bringing offshore, back onshore, UK Software company – we’d like to speak with you! Job title: Lead Software Developer or Senior Software Developer looking for a step up to Lead. Location: Banbury, Oxfordshire. 3 days a week in … package. We can be somewhat flexible though - so please just get in touch. You’ll have the full support of an Agile Scrum Master, excellent technical product team & obviously software engineers in your team. Our tech stack, below. But, in the main, if you have solid experience in .Net (C#) at a senior or lead level, please get More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Lead Software Engineering role in a growing SaaS product company ? Keen to grow your technical skills around .Net 8, assist the CTO directly with the adoption of the latest AI/LLM dev tools (Cursor, v0) & act as lead/mentor to a small Dev' team … If yes to the above & you'd like to join a growing, recently invested in, actually bringing offshore, back onshore, UK Software company – we'd like to speak with you! Job title: Lead Software Developer or Senior Software Developer looking for a step up to Lead. Location: Banbury, Oxfordshire. 3 days a week in … package. We can be somewhat flexible though - so please just get in touch. You'll have the full support of an Agile Scrum Master, excellent technical product team & obviously software engineers in your team. Our tech stack, below. But, in the main, if you have solid experience in .Net (C#) at a senior or lead level, please get More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Lead Software Engineering role in a growing SaaS product company ? Keen to grow your technical skills around .Net 8, assist the CTO directly with the adoption of the latest AI/LLM dev tools (Cursor, v0) & act as lead/mentor to a small Dev’ team … If yes to the above & you’d like to join a growing, recently invested in, actually bringing offshore, back onshore, UK Software company – we’d like to speak with you! Job title: Lead Software Developer or Senior Software Developer looking for a step up to Lead. Location: Banbury, Oxfordshire. 3 days a week in … package. We can be somewhat flexible though - so please just get in touch. You’ll have the full support of an Agile Scrum Master, excellent technical product team & obviously software engineers in your team. Our tech stack, below. But, in the main, if you have solid experience in .Net (C#) at a senior or lead level, please get More ❯

Senior .NET Full Stack Developer Oxford | Remote | Competitive Salary (DOE) A leading software company based in Oxford is looking for a Senior .NET Full Stack Developer to join their growing team. This is a key role delivering high-quality software solutions for both UK-based and international clients. As a Senior Developer … Benefits: Competitive base salary Flexible remote working Exposure to exciting, bespoke projects Ongoing learning and development opportunities Clear career progression paths If you're an experienced .NET Full Stack Developer looking to work on meaningful projects within a supportive and innovative environment, apply now for immediate consideration. Thank you,Elliot Oscar Associates (UK) Limited is acting as an Employment More ❯

Social network you want to login/join with: Senior Software Developers required for an excellent client who are in the trading industry and their office is based in the City of London. The successful Senior Software Developer will join a small but extremely talented development team. You will be exposed to creating and maintaining … You will be given the opportunity to work with the some of the latest technologies possible and will be expected to produce excellent code for our clients in house software applications whilst having a lot of autonomy. Our client offers a very collaborative working environment with most of the development team coming from excellent educational backgrounds. The company operate More ❯

Senior Software Developers specialising in trading systems required for an excellent client based in London. The successful Software Developer will join a small but extremely talented development team. You will be exposed to creating and maintaining our client's own applications based around a C#/.NET/SQL Server/ASP.NET universe. Many projects are … on.You will be given the opportunity to work with the some of the latest technologies possible and will be expected to produce excellent code for our clients in house software applications.Our client offers a very collaborative working environment with all of the development team coming from excellent educational backgrounds from across Europe. This role is within the sports trading More ❯

join our team, please forward your CV to our dedicated email address here: An opportunity has emerged to join a growing team to develop and support Dunstan Thomas' proprietary software, Imago Administration. Imago Administration is a highly configurable policy administration system that, with its extensive API, augments, renews, and refreshes legacy or new technology, delivering faster, lower risk solutions. … group pension markets, providing an enhanced administration platform for income drawdown, annuities, SLI (Secure Lifetime Income funds), and scheme pensions. Dunstan Thomas has a wide range of customers and software products, and the successful candidate may have the opportunity to work across products, customers, and teams during the course of their employment. Profile The successful candidate will be a … self-motivated and pro-active software developer with experience developing a variety of applications in C# using Microsoft's development tools and working with .NET. They will have good object-oriented analysis and design skills, be familiar with design patterns and practices. Previous experience in the finance or pensions industries would be beneficial. A commitment to building and More ❯

Senior Software Developer | Back-Office Software | Maidstone | 3 days on-site a week | £45-52,000 My client is seeking a skilled Senior Software Developer to take ownership of internal platform development and support the Director of IT in delivering robust, scalable systems. You'll lead a small team of one, manage workloads …/CD pipelines, version control (TFS), and testing practices A passion for clean, well-documented code with a strong eye for UX and detail If you're a proactive developer ready to step into a leadership role, apply now. More ❯

key player in building next-gen architecture that scales globally Mentoring and guiding junior developers, fostering a culture of innovation and learning What You'll Need Experience as a software developer in fast-paced SaaS, eCommerce, fintech, or affiliate marketing environments API integration expertise with a deep understanding of RESTful services and scalable architectures Experience working with Google More ❯

key player in building next-gen architecture that scales globally Mentoring and guiding junior developers, fostering a culture of innovation and learning What You’ll Need Experience as a software developer in fast-paced SaaS, eCommerce, fintech, or affiliate marketing environments API integration expertise with a deep understanding of RESTful services and scalable architectures Experience working with Google More ❯

Sr. Software Engineer - Integrations and Developer Experience Remote, UK Who We Are Addepar is a global technology and data company that helps investment professionals provide the most informed, precise guidance for their clients. Hundreds of thousands of users have entrusted Addepar to empower smarter investment decisions and better advice over the last decade. With client presence in more … than 45 countries, Addepar’s platform aggregates portfolio, market and client data for over $7 trillion in assets. Addepar’s open platform integrates with more than 100 software, data and services partners to deliver a complete solution for a wide range of firms and use cases. Addepar embraces a global flexible workforce model with offices in Silicon Valley, New … York City, Salt Lake City, Chicago, London, Edinburgh and Pune. The Role We are seeking a Senior Software Development Engineer to join our Integrations and Developer Experience Team! The team’s mission is to enable clients and partners to integrate with Addepar. Our cross-functional team designs, develops and operates automated workflows between Addepar and 3rd party More ❯

Social network you want to login/join with: Senior Software Developer required by a leading Cloud Technology company based in Bracknell. The company are working on cutting-edge technology including AI and propensity modelling. This is a brand-new position due to growth and will join a well-established, high calibre development team. The company operate … days in the office and 2 days from home. Degree in Computer Science or other STEM subject ideally from a Russell Group University 5+ years' experience in a software development role C# SQL Server Source control, ideally Git Experience working within an Agile environment Any experience in the following would be advantageous: NoSQL Spectrum IT Recruitment (South) Limited is More ❯

Solving varied real-world defence and security challenges through software Please note, candidates are required to secure Developed Vetting (DV) clearance for this role. This requires you to be a British citizen and have resided in the UK for at least 10 years. This company is seeking experienced software developers to join their multi-disciplinary team developing integrated … top of specialist hardware. This might require optimisation for low power environments or novel adaptations of existing technologies to new sensor data. Your work will expand to more sophisticated software projects in the cyber security industry, as well as creating UIs for electronic gizmos using web technologies. You will be working alongside other bright software and hardware engineers More ❯

Social network you want to login/join with: ??? x4 Senior PHP Software Engineers/Backend Developers – PHP/Symfony/Restful API Fintech start-up - Office based in London ???, Slough col-narrow-left Client: Location: Slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 26.06.2025 Expiry Date: 10.08.2025 … col-wide Job Description: ??? x4 Senior PHP Software Engineers/Backend Developers – PHP/Symfony/Restful API Fintech start-up - Office based in London ??? Areti has partnered with a Fintech start-up urgently seeking PHP Software Engineers/Backend Developers for a UK-based company on a FULLY REMOTE basis. The company has recently received funding … and plans to expand its software engineering team from 20 to 30 members within the next two months. They are looking for senior PHP Developers. The ideal candidates will have experience with: PHP Symfony Restful APIs Microservices MySQL Docker Containers AWS DataDog Cloud technologies Perks of the role include: Fully Remote Salary between £55,000 - £70,000 Pension More ❯

Social network you want to login/join with: ??? x6 PHP Senior Software Engineers/Backend Developers – PHP/Symfony/Restful API - Fintech start-up based in the UK ???, Slough Client: Location: Slough, United Kingdom Job Category: Other - EU work permit required: Yes Job Views: 4 Posted: 26.06.2025 Expiry Date: 10.08.2025 Job Description: Areti has partnered with … a Fintech start-up urgently seeking x6 PHP Software Engineers/Backend Developers for a fully remote role based in the UK. The company has recently received funding and aims to expand its software engineering team from 20 to 30 members within the next two months to handle new projects. The ideal candidates will have experience with: PHP More ❯

Senior Software Developer ?? Location: Central Reading, UK (Hybrid working options available) ?? Contract: Permanent ?? Salary: £50,000 - £70,000 per annum (depending on experience) 83zero is partnered with a pioneering tech company who is seeking a talented Software Developer to join their team and contribute to a major international research infrastructure initiative. This role focuses on … organisation effort to develop tools and services that ensure the integrity, accessibility, and preservation of research outputs. This is a rare opportunity to work at the intersection of commercial software development and international research, contributing to both a thriving SaaS platform and a high-profile European project. Key Responsibilities Design and implement SaaS solutions for digital preservation. Develop and … integrate software services into a large-scale research infrastructure. Implement support for project-specific specifications, protocols, and data transformation. Contribute to a registry of digital preservation tools and services. Collaborate with stakeholders to validate and refine solutions. Advance standards and protocols for long-term digital preservation. Essential Skills Proficiency in Python , Java , or both. Experience with cloud-hosted software More ❯

Endeavour Recruitment has a new opportunity for an experienced Senior Java C++ Software Developer. Candidates should have experience of leading a team or be in a Senior position and be looking to take on leadership responsibility. The role is near to Reading close to M4. Salary commensurate with experience. The successful candidate will be working 75% in More ❯

Senior .NET Developer with Software Security, Azure Lead Software Security Engineer with Development Background, DevSecOps, Mainly Remote Senior .NET Developer with Software Security, Software Security Engineer Lead is required to work for a fast-growing and exciting company based in Central London. However, this will mainly be remote. Please read in full … before applying... We need someone with a Microsoft tech-stack background who has experience as a .NET Developer with Software Security experience, Azure DevSecOps Consultant or even a good old fashioned Unix/Linux Systems Administrator. We want someone with a development/some form of coding background who has blossomed into Software Security/Cloud Security … acceptable. Rather than someone from a bog-standard IT Operations background, we NEED you to have come from a Development background and you MUST have a good grounding within Software Development as you will mainly working with Developers and need to be able speak their language and develop trust with them. This role was very successfully introduce into this More ❯