151 to 175 of 195 Senior Software Engineer Jobs in the South East

As a GPU Software Engineer, you’ll be translating innovative research into high-performance, high-quality GPU compute solutions—playing a key role in delivering next-generation media technology to the market. Hybrid working, 3 days onsite and 2 days working from home. Key Skills & Qualifications: Degree in … Windows, Linux, iOS, and Android. Enhance, maintain, and expand existing codebases (C/C++/Python). Integrate third-party commercial and open-source software components. Produce clear and well-structured technical documentation, including specifications, APIs, and integration guides. Support external partners and customers in integrating SDKs. Test and More ❯

to Ki's success – allowing us to evolve underwriting intelligently and unlock massive scale. We're a multi-disciplined team, bringing together expertise in software and data engineering, full stack development, platform operations, algorithm research, and data science. Our squads focus on delivering high-impact features – we favour a … involved in building include, developer tooling, microservice orchestration systems, ML model serving infrastructure, feature serving and storage infrastructure. Principal Accountabilities: Build robust and scalable software for business critical, web-based applications Design, build, test, document and maintain API’s and integrations Ensure quality control using industry standard techniques such … of Ki’s core technologies Mentor and coach colleagues in both engineering and business domain subjects Required Skills and Experience: Experience as a mid-senior level engineer working across a modern stack Strong software engineering principles (SOLID, DRY, data modelling) Professional experience with a server-side language More ❯

teams to springboard to their next stage of growth. The set up: Hybrid - 3 days a week onsite in Waterloo 3+ years of commercial Software Engineer experience Mid & Senior roles available Perm - £70-85k starting salary + bonus Skillset required: .NET Core JavaScript & Typescript Vue/ More ❯

UI Engineer - £70-120k (+ Bonus offering of up to 100%) Energy Hedge Fund Start up environment London - Hybrid We're seeking a talented UI Engineer to join our Energy hedge fund client. As a Front End Engineer in a small team you'll play a … pivotal role in designing, developing, and optimising robust software solutions that support their trading operations. The leader of this Firm is one of the most impressive Technology leaders we work with so will be a fantastic opportunity to accelerate your career under their guidance. Bachelor's degree in Computer More ❯

Senior Java Developer 🌍 £100k–£150k 💸 - Remote Working 🏡 – 6+ years experience (PhD Required) Our client, a GreenTech specialising in optimum renewable energy software, is revolutionising the energy industry by making sustainable living accessible and effortless for both suppliers and consumers. They’re looking for a Senior Java Developer … passionate about new, advanced technologies, being able to create impactful solutions in a fast-paced, collaborative environment. Role Highlights 🌟 Design and implement high-performance software systems using Core Java, without relying on frameworks. Tackle multi-threaded, low-latency challenges, manage extensive data streams, and optimise asynchronous programming for real … sustainable energy solutions, contributing to a greener future. Key Requirements ✅ Compulsory: A PhD in Computer Science and the ability to demonstrate extensive knowledge in Software Development. 6+ years with extensive hands-on experience in Core Java, developing systems from the ground up without frameworks. Advanced proficiency in multi-threading More ❯

Senior Java Developer 🌍 Up to £150k 💸 - Remote Working 🏡 – 6+ years experience Our client, a GreenTech specialising in optimum renewable energy software, is revolutionising the energy industry by making sustainable living accessible and effortless for both suppliers and consumers. They’re looking for a Senior Java Developer who … is able to leverage advanced technologies to create impactful solutions in a fast-paced, collaborative environment. Role Highlights 🌟 Design and implement high-performance software systems using Core Java , without relying on frameworks. Tackle multi-threaded, low-latency challenges, manage extensive data streams, and optimise asynchronous programming for real-time More ❯

Senior Core Java Developer 🤖 - Up to £120k DOE 💰 - Hybrid (London) 🏡 Our client is a highly trusted player in asset management and FX trading, looking to recruit a proficient Senior/Core Java Developer to join their apps team. This opportunity will allow you to join a company that … offerings and the team’s workflows.⚙️ Work primarily within GCP, ensuring that the architecture is optimized for multi-cloud compatibility.🔒 Key Requirements: An experienced engineer with 7-8 years of experience.🤖 Strong knowledge and hands-on experience with Core Java. You understand which networking tools are relevant to cloud More ❯

Founding Engineer (AI EdTech Scale-Up) - Backend 🐍 An exciting AI-powered EdTech company, founded just over 2 years ago, is on a rapid growth trajectory. With over 1 million users and £4 million in total funding, this innovative startup is gearing up for Series A and is looking to … the ability to own projects from start to finish. Location: London - 2 days per week onsite Salary: £90k - £120k If you're an innovative engineer ready to make a significant impact and be part of something groundbreaking, apply today to join this ambitious AI EdTech scale-up More ❯

Quantum Engineer - Quantum Error Correction Theorist Location: Hybrid, Reading, England, United Kingdom Department: Quantum R&D We're always looking for people to join us on this exciting journey. If you think you'd be a great fit for OQC but don't see the perfect role for you More ❯

Our client, a leading company in the IT sector, is seeking a Lead Software Engineer to join their team on a permanent basis. This role can be based in either Worcester or Winchester, with an expectation of being in the office two days per week. Key Responsibilities: Full … Stack Development - Build and enhance our software product using .NET (C#) and Angular. Modern Front-End Development - Contribute t... More ❯

energy data collection services. All this is wrapped up with an easy-to-view online data management analysis and reporting software. PURPOSE OF ROLE: Software Engineers are the main creators of our new line of software products, helping us achieve our ambition to deliver highly scalable, exceptional software to our clients across the globe This role is part of our Scrum teams, working with colleagues to craft software using modern Azure and C# technologies. This includes creating unit tests, plus working with our Testers to meet our high-quality standards Our engineers own the code throughout … the entire product lifecycle, building an understanding of the market intent and tuning our outputs in conjunction with customer usage data to ensure success Senior Engineers also undertake more complex works including technical design, plus coach and guide more junior team members Our Team Leaders provide the control and More ❯

energy data collection services. All this is wrapped up with an easy-to-view online data management analysis and reporting software. PURPOSE OF ROLE: Software Engineers are the main creators of our new line of software products, helping us achieve our ambition to deliver highly scalable, exceptional software to our clients across the globe This role is part of our Scrum teams, working with colleagues to craft software using modern Azure and C# technologies. This includes creating unit tests, plus working with our Testers to meet our high-quality standards Our engineers own the code throughout … the entire product lifecycle, building an understanding of the market intent and tuning our outputs in conjunction with customer usage data to ensure success Senior Engineers also undertake more complex works including technical design, plus coach and guide more junior team members Our Team Leaders provide the control and More ❯

Full Stack Software Engineer – Tech for Good Location: Remote/Hybrid (UK or Ireland-based, occasional in-person travel) Contract: 9-month fixed-term (Full-time, PAYE) Salary: Up to £65k Make an Impact, Tech That Matters Join a pioneering startup on a mission to break down digital … Help shape engineering culture in a small, high-impact team You’ll Thrive Here If You Have 6+ years' experience as a full-stack engineer Are confident building both frontend (React, Nuxt, JS frameworks) and backend (FastAPI, Node.js, GraphQL, etc.) systems Write clean, consistent code quickly and thoughtfully Are More ❯

Job Title : Senior Java Developer Location : London/Knutsford/Northampton Type of role : Permanent Get The Future You Want! Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by … one of those people? Responsibilities: Help to reshape our clients' core products, working on green- and brownfield solutions using the latest technologies. Build new software with latest technologies to replace existing vendor software that are currently used in fund services, which will involve requirement gathering, designing, and lot … of coding. Build new software/change the existing software to scale the application to meet the business growth and also reduce the operational cost. Play a large role in the product lifecycle, contributing to design, development & delivery through our automated deployment pipelines. Build easy-to-consume services More ❯

Velocity Tech have partnered with an exciting tech company who are looking for a Senior Full Stack Developer to join their team on a contract basis. The length of the contract is 6 months with the likelihood of extension. This is a hybrid role with the expectation of … development experience with Kotlin (Spring Boot or Ktor frameworks advantageous). Previous leadership experience – mentoring developers, leading small teams or pods. Excellent understanding of software architecture and scalable systems design. Experience working in Agile/Scrum environments. Strong CI/CD and DevOps practices (Docker, Kubernetes, AWS or similar More ❯

Urgent! x8 Fullstack Senior Software Engineers/Tech leads Needed – UK-based – – Rapid Growth – Fully Remote 🌳 Areti Group is excited to partner with a Series funded startup poised for rapid expansion, growing by 40 heads in the next 3 months! We are urgently seeking x8 Fullstack Tech leads … Java, Python, C#, PHP 🌳 VueJs, Typescript/Angular/React Cloud : 🌳 Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both … scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. DevOps & CI/CD : Use More ❯

Urgent! x8 Fullstack Senior Software Engineers/Tech leads Needed – UK-based – – Rapid Growth – Fully Remote 🌳 Areti Group is excited to partner with a Series funded startup poised for rapid expansion, growing by 40 heads in the next 3 months! We are urgently seeking x8 Fullstack Tech leads … Java, Python, C#, PHP 🌳 VueJs, Typescript/Angular/React Cloud : 🌳 Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both … scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. DevOps & CI/CD : Use More ❯

Urgent! x8 Fullstack Senior Software Engineers/Tech leads Needed – UK-based – – Rapid Growth – Fully Remote 🌳 Areti Group is excited to partner with a Series funded startup poised for rapid expansion, growing by 40 heads in the next 3 months! We are urgently seeking x8 Fullstack Tech leads … Java, Python, C#, PHP 🌳 VueJs, Typescript/Angular/React Cloud : 🌳 Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both … scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. DevOps & CI/CD : Use More ❯

We're Hiring: Senior Full Stack (Angular/.NET) Developer (Remote) Are you a seasoned Full Stack Developer with a passion for building robust, scalable applications? Our client are looking for dynamic coders to join their team and work on cutting-edge, high-profile projects that make a real More ❯

C# Full Stack Engineers wanted by a Remote Scale-Up Software Company, that is transforming aviation risk management software through incredible data, technology, expertise and innovation. They are keen to find people who come from a strong background of product development, working within product environments with a product More ❯

We’re a fast-growing, AI-first tech company transforming how visual content is created. Our innovative products power millions of creators and brands worldwide — from AI-driven video and photo tools to an influencer platform that monetizes creativity. What More ❯

and conduct code reviews. Stay current with industry trends and technologies to keep the tech stack efficient. Requirements: Proven experience as a Full Stack Engineer Expertise in back-end (Python, Typescript, Node.js, FastAPI) and front-end (NextJS, React) technologies. Familiarity with cloud services (AWS, Azure, Google Cloud), containerization tools More ❯

MUST HAVES's - Significant Apex & Salesforce Experience with Java foundation** - you have to be a coder. ** MUST HAVE - Financial Services Experience** Job Title: Senior Developer Salary - 80-90k + Bonus Location: Hybrid/Remote Contract Type: Full-Time Department: Technology Overview We are seeking a highly skilled and … motivated Senior Developer to play a key role in the development and enhancement of our in-house lending and risk management platform. This platform features a Salesforce backend integrated with a bespoke JavaScript web UI and connects to a variety of third-party APIs including Snowflake, Rutter, TrueLayer, GoCardless … test cases. Troubleshoot and resolve technical issues with a focus on long-term sustainability. Project Management & Team Support Lead or contribute to the full software development lifecycle: requirements, design, development, testing, and deployment. Manage technical tasks, risks, and dependencies across multiple projects. Provide technical leadership and mentorship to junior More ❯

technologies: Experience in developing and deploying in cloud platforms (e.g., AWS, GCP or Azure), an understanding of containerisation (e.g., Docker) and infrastructure-as-code software (e.g., Terraform). Algorithms and data structures: Excellent understanding of core CS fundamentals, including common abstract data structures and algorithms with the ability to … work environment and wider ecosystem. Why join us? Work in an environment conducting cutting-edge research in AI. An official role title of “Founding Engineer” - make an impact on day one. Competitive salary, equity and benefits package. 28 days + public holidays allowance. Opportunities for professional growth and progression More ❯

A fast growing AI/Tech company that supports the Energy sector is looking to hire a Senior Back End Developer. Reporting into their Head of Engineering, and collaborating with other teams, you will build and optimise new and existing software which will be added onto their core … platform using Python. We are seeking individuals who can demonstrate their ability to optimize software and in people development and who have experience in the commercial/wholesale side of the energy market or in the financial services sector. Of particular interest are individuals who have been exposed to More ❯