26 to 50 of 971 Software Engineer Jobs in the South East

Polyglot Software Engineer 📍 Hybrid – Southampton (1 day fortnightly) | 💰 £60–80k + Equity | 🧱 Deep-Tech Startup | 🌍 £60B Market Opportunity We’re working with an early-stage deep-tech startup that’s gunning for a slice of the £60B SQL database market — and doing so with serious technical firepower. Fresh off a £1.2M pre-seed and mid-way through a More ❯

leading investors so far, with $140 million raised in the last Series C funding round in January 2023. The role We are seeking a highly skilled and experienced C++ Software Engineer with expertise in developing robust mechanisms and pipelines which acquire metrics for real-time production autonomy software and evaluate its performance. You will be responsible for … rely on your field expertise and knowledge of mobile Motion Planning systems to regularly collaborate with a variety of capability owners to innovate and drive progress. As a Senior Software Engineer in the Evaluators, Metrics and Tooling platform team, you will assess Motion Planning performance by: Developing and maintaining high quality processes and APIs to generate performance signals … and problem-solving skills in performing statistical analysis, data modeling, and predictive analytics. Professional experience in modern C++, including the STL and common testing frameworks Fluency in Python for software development Ability to develop high-quality APIs and code documentation Deep understanding of software development methodologies, code reviews, version control systems (e.g., Git), and agile practices Demonstrated leadership More ❯

Social network you want to login/join with: 3x Software Engineers | Competitive Salary | Hybrid (Weekly On-Site in London or Cambridge) We're hiring Software Engineers across Backend, Frontend, Full Stack, ML, and Cloud roles. Join a fast-moving team building secure, scalable systems for advanced drone data applications. Key Responsibilities: * Develop and maintain scalable backend services More ❯

Join to apply for the Senior Software Engineer role at Oxford Instruments GmbH 2 days ago Be among the first 25 applicants Join to apply for the Senior Software Engineer role at Oxford Instruments GmbH Search by Keyword Search by Location Show More Options Loading... Location All Country/Region All Job Function All Language All … Business Unit All Clear Select How Often (in Days) To Receive An Alert Select how often (in days) to receive an alert: Apply now » Senior Software Engineer Date: 27 May 2025 Location: Oxford, GB Job Function: Technical Business Unit: NanoScience Are you a talented and dynamic Software Engineer with a passion for innovation? Oxford Instruments is … offering an exceptional opportunity to join our Technology team and work on our state-of-the-art scientific products. As a Senior Software Engineer, you will be involved in a diverse range of projects, encompassing the entire software lifecycle from concept to testing. Your contributions will be instrumental in meeting our customers' expectations and ensuring the success More ❯

Job Description: Senior Software Engineer Tech Stack: C#, .NET, Microservices, Docker, Kubernetes, AWS/Azure United Kingdom Full Remote: Perm Role Salary: £85,000 - £110,000 Harrington Starr has partnered with an innovative start up FinTech who specialise in providing market access and data from their ultra low-latency platform to financial service firms, leading exchanges and single … dealers across digital assets, FIX and more. They are looking to hire a Senior C#, .NET Engineer with strong experience in start-up/scale up firms, able to take ownership of developing new applications, adding features to existing systems and contributing to the growth and success of the companies core products. Key Requirements: Extensive C#, .NET development experience … phone call to discuss this opportunity in further detail, please apply below or send through a copy of your up-to-date CV via email to [emailprotected] . Senior Software Engineer Tech Stack: C#, .NET, Microservices, Docker, Kubernetes, AWS/Azure United Kingdom Full Remote: Perm Role Salary: £85,000 - £110,000 Harrington Starr has partnered with an More ❯

Job Description: Senior Software Engineer Tech Stack: C#, .NET, Microservices, Docker, Kubernetes, AWS/Azure United Kingdom Full Remote: Perm Role Salary: £85,000 - £110,000 Harrington Starr has partnered with an innovative start up FinTech who specialise in providing market access and data from their ultra low-latency platform to financial service firms, leading exchanges and single … dealers across digital assets, FIX and more. They are looking to hire a Senior C#, .NET Engineer with strong experience in start-up/scale up firms, able to take ownership of developing new applications, adding features to existing systems and contributing to the growth and success of the companies core products. Key Requirements: Extensive C#, .NET development experience … phone call to discuss this opportunity in further detail, please apply below or send through a copy of your up-to-date CV via email to [emailprotected] . Senior Software Engineer Tech Stack: C#, .NET, Microservices, Docker, Kubernetes, AWS/Azure United Kingdom Full Remote: Perm Role Salary: £85,000 - £110,000 Harrington Starr has partnered with an More ❯

Social network you want to login/join with: Lead Java Software Engineer – Systematic Hedge Fund, slough col-narrow-left Client: Winston Fox Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 10.06.2025 Expiry Date: 25.07.2025 col-wide Job Description: Lead Java Software Engineer with around … is one of the original Systematic Investment firms and is proud of its genuinely collegiate, friendly and supportive culture, with an enviably low staff attrition. This team covers all software front-to-back, outside of Portfolio Management and Research systems, including Execution and Order Management systems, as well as Risk, Fund Accounting, Operations and Corporate Functions. Software is … and grow their careers through management and coaching, as well as engaging with the external Tech community through conferences and meetups. Requirements 7-10 years of experience as a software engineer in a professional environment, managing projects to take requirements from concept to production use. Financial experience and domain knowledge – especially Buy Side and/or Electronic Trading. More ❯

We are offering an exciting opportunity for an experienced Senior Software Engineer to join our client's experienced team on a permanent basis, with the long-term potential for a technical leadership role. The role will involve supporting the development, integration, rollout, and support of complex software solutions, and you'll work on a hybrid basis, primarily … license is essential for this role as you will be visiting client sites. You will work alongside a diverse group of customer representatives, solution architects, academic experts, and top software development companies to deliver impactful solutions, so excellent communication skills are paramount for this role. Due to the exciting nature of the role and the projects you will be … on, you must hold active Security Clearance (SC) to be eligible and be a sole UK national. Key Responsibilities: Lead and collaborate with a diverse team to deliver complex software systems. Support the architecture, management, and maintenance of client-centred solutions, including secure private cloud deployments. Engage in hands-on development, integration, and deployment of software solutions. Work More ❯

Staff Software Engineer– Greenfield Tech refresh project London (Hybrid: 2 days per week onsite) | Up to £120,000 + 10% Bonus + Excellent Benefits Are you a passionate Staff or Principal Engineer looking to lead modernisation initiatives and shape the next generation of systems for a scaling tech-led business? We’re working with a cutting-edge … technology company who are about to embark on a tech refresh project moving toward a modern, cloud-native, event-driven architecture with Go and other modern software development languages. They're on the lookout for an experienced Staff Engineer, who has worked on similar modernisation and migration projects to play a pivotal role in this transformation journey. What … Golang, Python, or NodeJS. Cloud experience (AWS preferred; Azure experience also welcome), including serverless tech like Lambdas. Solid understanding of containerisation (Docker, Kubernetes), infrastructure as code (Terraform), and modern software design patterns. Exposure to front-end technologies like React, TypeScript, or Astro is a bonus. Proactive, collaborative mindset with the ability to influence and lead through change. Whats on More ❯

Staff Software Engineer– Greenfield Tech refresh project Fleet (Hybrid: 2 days per week onsite) | Up to £105,000 + 10% Bonus + Excellent Benefits Are you a passionate Staff or Principal Engineer looking to lead modernisation initiatives and shape the next generation of systems for a scaling tech-led business? We’re working with a cutting-edge … technology company who are about to embark on a tech refresh project moving toward a modern, cloud-native, event-driven architecture with Go and other modern software development languages. They're on the lookout for an experienced Staff Engineer, who has worked on similar modernisation and migration projects to play a pivotal role in this transformation journey. What … Golang, Python, or NodeJS. Cloud experience (AWS preferred; Azure experience also welcome), including serverless tech like Lambdas. Solid understanding of containerisation (Docker, Kubernetes), infrastructure as code (Terraform), and modern software design patterns. Exposure to front-end technologies like React, TypeScript, or Astro is a bonus. Proactive, collaborative mindset with the ability to influence and lead through change. Whats on More ❯

Role Title: Principal Software Engineer (JavaScript) Location: Remote (occasional onsite near Reading – likely 3-4 times per month TBC) Engagement: Statement of Work (Outside IR35) Rate: Up to £550 per day Overview: We are looking for a highly skilled Principal Software Engineer to contribute to a large-scale digital modernisation programme with a leader in their … is a strategic contract engagement focused on modernising and engineering high-quality digital products for a data-driven platform. This is a hands-on leadership role ideal for an engineer who thrives in delivering complex, enterprise-grade solutions to high standards. You will be working with a multi-disciplinary product team to build scalable, secure, and user-centric applications. … Responsibilities: Engineering Delivery Design and build full-stack solutions with an emphasis on quality, performance, and scalability. Apply cloud-native design patterns to build distributed systems aligned with modern software architecture principles. Implement CI/CD, automated testing, and engineering best practices across the SDLC. Ensure compliance with security, privacy, and data protection standards. Collaborate with Platform Engineering to More ❯

Klipboard Milton Keynes, England, United Kingdom Join or sign in to find your next job Join to apply for the Senior Software Engineer role at Klipboard Klipboard Milton Keynes, England, United Kingdom 3 days ago Be among the first 25 applicants Join to apply for the Senior Software Engineer role at Klipboard Get AI-powered advice … office and two days working from home. This approach promotes a balanced work environment that combines office collaboration with the comfort and convenience of remote work." Klipboard provides specialist software, services and support to deliver fully integrated trading and business management solutions to companies in the distributive trade – wherever they are in the world. With a unique depth of … good understanding of Blazor, MAUI, React, JavaScript libraries, .NET Core API Elastic Search (ES), NEST client Good communication and interpersonal skills Project Management skills and experience of having delivered software projects to specification, on time and of good quality Knowledge of industry standard methodologies, tools and processes for software development Knowledge of software project lifecycles - Agile/ More ❯

Social network you want to login/join with: We’re looking for a Junior Software Engineer with a passion for building scalable, high-quality software using .NET technologies. This is a great opportunity to join a collaborative, purpose driven development team that works on impactful solutions in the research and innovation space. As part of a … Azure DevOps, or other CI/CD tools Interest or exposure to Infrastructure as Code (e.g., Terraform, Bicep) Basic understanding of Agile methodologies Why Join Us: Work on meaningful software that supports impactful realworld outcomes A supportive team culture that values curiosity, ownership, and continuous improvement Exposure to modern tools, cloud platforms, and real-world projects Clear growth path More ❯

Senior Full-Stack Developer | Senior Software Engineer An opportunity for a Full-Stack Developer with strong front-end experience is needed to help build a brand new SaaS product from the ground up. We’re looking for someone hands-on and technical, with full-stack capability, but with particular strength and passion for building front-end using React. More ❯

Could you create world-beating enterprise-scale software? Could you add value to an existing team of highly skilled developers? Are you ready to make your mark on future-proofed software? The projects here at Preservica are at the razor's edge of commercial software solutions, addressing the need for smart digital preservation technology. Our award-winning … software is used by leading businesses, archives, libraries, museums, and government organizations across the globe. We are world leaders and proud of our achievements - but to stay ahead, we need the brightest and most talented commercial and technical innovators to join our development team. Right now, we are looking for a solid Full Stack Software Engineer with … strong Java, and ideally DevOps experience. The Role Our Software Engineers are responsible for the full software development lifecycle - writing well-designed, testable, and maintainable efficient code. Your work will extend to include: Analysis work to determine operational feasibility Maintaining Preservica and industry standards and project plans Integrating software components into fully functioning software systems Developing More ❯

As a senior Software Engineer, you will have experience in not only working independently to develop cloud-based solutions, but also have taken a lead in coordinating the work of teams of engineers to produce high-quality products and advocating for high standards of practice. You will have a proven track record of designing, developing, and testing high … a motivated problem solver, continuously developing and expanding your skillset to ensure you have the tools to meet new challenges. About the Role: OQC are looking for a Senior Software Engineer to join our growing team, developing web-based/api-based solutions for a variety of challenges encountered by our partners and end-users. In this role … in development and production. Identifying and implementing opportunities for the automation of documentation throughout the project lifecycle. Representing OQC in external networking settings. Providing mentorship and support to Junior Software Engineers. Required Skills and Experience: Extensive knowledge of Python (desirable)/(Other high level such as JAVA or C#). Experience of taking ownership of large projects and coordinating More ❯

Social network you want to login/join with: Polyglot software engineer, portsmouth, hampshire col-narrow-left Client: Spectrum IT Recruitment Location: portsmouth, hampshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: ? Polyglot Software Engineer ? Hybrid – Southampton (1 day More ❯

Junior Software Engineer 📍 Hybrid – Southampton (1 day fortnightly) | 💰 £40–60k + Equity | 🧱 Deep-Tech Startup | 🌍 £60B Market Opportunity We’re hiring on behalf of a well-funded deep-tech startup that’s going after a £60B problem — making enterprise databases interchangeable. Backed by £1.2M in pre-seed and scaling toward a £7M raise, they’re already live with … major customers and building out their UK engineering team as they hit their next growth phase. If you're a curious, ambitious junior engineer who’s comfortable across multiple languages and ready to take on hard problems — this is your shot to learn fast, contribute early, and grow with the business. The Mission: They’re building a platform that More ❯

Junior Full-Stack Software Developer Location: London, United Kingdom Type: Full-Time (hybrid working – home and office-based) Salary: Competitive A forward-thinking organisation is seeking a motivated and enthusiastic full-stack software developer to support digital transformation projects, with a focus on sustainability and climate change. This is an excellent opportunity for someone early in their career … to security best practices (e.g., OWASP). Work on RESTful API design and consumption. Collaborate on version control practices using Git, documentation, and code reviews. Desired Skills: Passion for software development and continuous learning. Some frontend experience with JavaScript/TypeScript and frameworks like React.js. Basic backend experience with Python or Node.js. Understanding of databases (relational and NoSQL). … Understanding of API integration and security fundamentals. Experience or interest in OCR and NLP is beneficial. Knowledge of version control (e.g., Git). Education & Experience: Degree in computer science, software engineering, or a related discipline – or relevant practical experience. Some practical experience with full-stack development or internships is a bonus. A strong interest in sustainability, ESG, and climate More ❯

then we would like to hear from you today. What you’ll do at Elekta: You will be part of a team of highly talented engineers, designing and developing software products that deliver automated and integrated quality assurance in radiation therapy. The software you will deliver enables our customers’ clinical staff to optimize their equipment’s performance and … deliver treatment with precision and confidence. Your responsibilities will include but are not limited to: Demonstrate solid software engineering skills in all aspects of the development life cycle. Participate in technical design discussions. Contribute to architecture and design documents. Develop and maintain full stack application components and services. Implement automated tests as part of the product CI/CD … pipeline. Collaborate with peers for successful product delivery. Be accountable for the software you ship and for the overall success of the team. Be part of a learning organization, always open to test new ideas. Be part of a product scrum team with shared purpose and ready to help each other. Additional roles and responsibilities may be assigned as More ❯

forefront of agentic systems. What You’ll Do Design & build scalable backend services and data pipelines - written in Python and deployed with Docker & Kubernetes. Integrate with enterprise ecosystems- enterprise software systems such as SAP and Oracle ERP, GraphQL/REST APIs, SFTP feeds, and event buses (Kafka, Pulsar). Wrangle large, heterogeneous data sets —model, transform, and index multi … the stack - build lightweight front-ends when needed and pair with ML engineers on inference and evaluation pipelines. You Might Be a Great Fit if You Have strong commercial software-engineering experience, with a fluency in Python and comfortable in TypeScript/JavaScript . Have built and operated data-intensive systems (batch & streaming) in a cloud environment (AWS, GCP More ❯

Backend Software Engineer/Developer (C# .Net Core Cloud CQRS) London/WFH to £80k Are you a technologist with strong backend C# .Net skills? You could be progressing your career at in a senior, hands-on role Backend Software Engineer role at a successful and scaling Retail FX Brokerage working on complex and interesting Greenfield … systems with continual learning and self development opportunities. As a Backend Software Engineer you'll be designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built mostly in C# and React deployed to Azure. You'll focus on C# .Net backend development within an AWS environment, but also with exposure … TypeScript/React.js or Angular You have strong analytical and problem solving skills You're collaborative with excellent communication skills What's in it for you: As a Backend Software Engineer/Developer you will earn a competitive package: Up to £80k salary Bonus Private Healthcare Pension 25 days holiday Apply now to find out more about this More ❯

Social network you want to login/join with: Junior Software Engineer – Graduate Opportunity Location: Remote (UK-Based) About the Opportunity: We’re looking for a bright and motivated Junior Software Engineer to join a collaborative, fast-paced tech team building modern, scalable applications across web, mobile, and cloud platforms. This is an exciting opportunity for … new user-facing features, improving system performance, or contributing to API design, you’ll have the chance to make meaningful contributions from day one while learning best practices in software engineering. What You’ll Be Doing: Designing, developing, testing, and deploying software solutions in an agile team Writing clean, maintainable code across both front-end and back-end … best practices in version control, testing, and CI/CD Debugging and resolving issues, and contributing to continuous improvement Staying up to date with emerging tools and technologies in software development What We’re Looking For: A recently completed degree in Computer Science, Software Engineering, or a related field Understanding of software development principles, data structures, and More ❯

Reading – likely 3-4 times per month TBC) Engagement: Statement of Work (Outside IR35) Rate: Up to £550 per day Overview: We are looking for a highly skilled Principal Software Engineer to contribute to a large-scale digital modernisation programme with a leader in their respective space. This is a strategic contract engagement focused on modernising and engineering … high-quality digital products for a data-driven platform. This is a hands-on leadership role ideal for an engineer who thrives in delivering complex, enterprise-grade solutions to high standards. You will be working with a multi-disciplinary product team to build scalable, secure, and user-centric applications. This is a Statement of Work (SOW) contract , where payment … client. Key Responsibilities: Design and build full-stack solutions with an emphasis on quality, performance, and scalability. Apply cloud-native design patterns to build distributed systems aligned with modern software architecture principles. Implement CI/CD, automated testing, and engineering best practices across the SDLC. Ensure compliance with security, privacy, and data protection standards. Collaborate with Platform Engineering to More ❯

Join to apply for the Software Engineer (C# & Native) role at TÜV SÜD About TÜV SÜD With over 70 years' experience in the UK, TÜV SÜD provides testing, product certification, knowledge services, and training to various industries including Aerospace, Defence, Electronics & Consumer, Machinery, Marine, Medical, Rail, and Telecommunications. Responsibilities Design, develop, and maintain high-quality software applications More ❯