26 to 50 of 130 Senior Software Engineer Jobs in the South East

Circa £60,000 + Excellent Benefits Are you an experienced Software Engineer who takes pride in writing clean, efficient, well-structured code? Do you enjoy owning projects end-to-end, solving complex technical challenges and contributing to high-performance, mission-critical software products? This is a fantastic … part of a close-knit engineering team, you'll play a key role in enhancing existing products, developing new products and features, supporting released software and contributing to long-term technical innovation. As Senior Software Engineer, you'll work closely with the Software Product Lead ...

build real world value. Are you ready to elevate your career? At Ripple Labs Inc., we offer an outstanding opportunity for a Senior Software Engineer to join our top-tier team in London. As a part of our dynamic and ambitious group, you will play … role in crafting and developing groundbreaking software solutions that drive innovation and success! Responsibilities As a Senior Software Engineer, you will: Design, develop, and implement software systems that meet meticulous quality standards. Work with diverse teams to define technical needs and deliver impeccable solutions. Lead ...

Senior Software Engineer (Full-stack) - Permanent | On-Site | London Join a rapidly scaling US-backed startup at a pivotal moment. With significant funding secured and strong momentum, they are establishing their UK presence and offering exceptional equity opportunities for early team members. As a Senior Software Engineer, you'll work across our Python and TypeScript stack, contributing wherever the team needs you most. What You'll Be Doing: Develop and maintain FastAPI (Python) and Next.js (TypeScript) applications. Own features end-to-end - from user interface through to infrastructure and internal tooling. Navigate and contribute ...

Senior GUI Software Engineer (C#/C++) - Electronic Warfare Location : Southampton, Hampshire (Hybrid: 3 days per week onsite) Duration: 6 Months (Initial) Rate: £735 per day (Inside IR35) Security Clearance: SC Clearance (Must be currently held) The Opportunity Are you a versatile Software Engineer who excels at the intersection of high-performance backend logic and intuitive user interfaces? We are seeking a high-calibre GUI Software Engineer to join a world-class engineering team at the forefront of UK defence innovation. Working within a pioneering technology consultancy, you will play ...

Senior Software Engineer Location: Southampton, UK (Hybrid – 3 days per week on-site) There are easier ways to make a living. But if you’re the kind of software engineer who prefers hard technical problems over incremental feature work, this might be worth your time. … joining a small, high-calibre team developing software that underpins next-generation satellite and space communications systems. This is performance-critical, real-time software, where microseconds matter and design decisions have long-term consequences. What you’ll be working on Designing and developing high-performance C/C++ ...

Senior Software Engineer, Python, Django, ReactJS, JavaScript, PHP, Mainly Remote, Central London Senior Software Engineer (Python, Django, ReactJS) required to work for a fast growing and exciting business based in Central London. However, this role is mainly remote. We need an experienced Python Developer ...

Role: Senior Software Engineer (Data & Platform) @ VC Firm Location: London – Hybrid (3 days) Compensation: Up to £200,000 + equity We're working with a high-performing venture capital firm building a proprietary technology platform that sits at the heart of how they identify, evaluate, and partner … with exceptional companies. The engineering function operates like an internal startup: small, fast-moving, and deeply embedded in the investment process. As a Senior Software Engineer, you'll take full ownership of the firm's core data platform — the primary day-to-day tool used by partners ...

Senior Software Engineer Salary: Negotiable plus benefits, pension (7% contribution), 25 days holiday & life insurance We are looking for senior software engineers with a range of levels of experience including designing and delivering software applications. We are a small but rapidly growing consultancy, owned ...

Senior Software Engineer Salary: Negotiable plus benefits, pension (7% contribution), 25 days holiday & life insurance We are looking for senior software engineers with a range of levels of experience including designing and delivering software applications. We are a small but rapidly growing consultancy, owned ...

next generation of AI models to assist artist workflows. See the result yourself Passcode: scaneverything About the role We are looking for a Senior Software Engineer to own the 3D asset processing and rendering infrastructure in Marso Measure, our desktop material capture application for Windows. …/game workflows and wants to work at a startup connecting frontier AI to 3D asset creation. Where you will have impact As a Senior Software Engineer you will own the 3D rendering and asset processing systems that power our material estimation technology and ship Marso Measure ...

Senior Design Engineer Development of real-time machine control software in C#/.NET, integrating lasers, motion control, robotics, and industrial systems. Location: Oxfordshire (On-site) Contract: Full-time Salary: Competitive Were looking for a Software Software Engineer to help build and maintain high … performance software for advanced industrial systems. Key Responsibilities Build and maintain C#/.NET software (operator tools + backend services) Develop control software integrating hardware subsystems (automation, sensors, motion) Focus on performance and reliability (multithreading, low latency) Integrate with industrial systems via EtherCAT/OPC UA/ ...

Senior Software Engineer experienced in C, C#, XAML, C# .NET (Framework & Core), WPF, MVVM, C CLI and C++, with experience using .NET/.NET Core frameworks and cloud-based architectures such as AWS. Software Engineers will develop project applications, graphical software, developing cross-platform, graphical … data analysis and device-configuration for software applications. Software Engineers will have experience of leading major projects involving Web client/server applications. Software Engineers with coding experience in C, C++, C#, C# .NET (Framework & Core), WPF, MVVM, C CLI will have some of the following experience ...

Senior Java Software Engineer - User Interfaces Location: Guildford, GU1 4QU Salary: Circa £50K - £85K per annum, DOE + Benefits, Bonus and Relocation Contract: Full time, Permanent Benefits: Competitive salary, Annual bonus, Private medical insurance, Membership fees to professional organisations, such as the IET or BCS, 8% employer … Kaon's success is a result of the skills and effort of our engineering team which is made up of signal processing, acoustic, software and systems engineers. Due to our continued success, we are looking to expand our highly skilled engineering team. The Role: We are currently seeking ...

Title: Senior Software Engineer Salary/Package: £80k-£100k + Equity Company Sector: Fintech (SaaS) Tech: TypeScript, Node, React, Next, GraphQL, AWS Location: Central London (London Bridge/Bank) WFH/Hybrid: 2-3 days in office (Bank) I'm hiring a full-stack Software Engineer … impact Are curious about AI, automation, and modern code-assist tools (Cursor, Copilot, etc.) Move fast, test properly, and think like a product engineer Enjoy working in small, high-energy teams Bonus Points For: Experience with Postgres, Prisma, GraphQL, Next.js Exposure to LangChain/LangGraph/AI-driven workflows ...

client, a leading provider in the Defence & Security sector, is currently seeking an Senior Software Engineer for a 12-month contract based in New Malden. Key Responsibilities: Engage with different teams, including integration teams, to ensure seamless system integration. Develop, review, and maintain complex automation scripts. Automate … solution deployment methods for software. Utilise techniques in the automation of systems integration and software deployment. Work on large complex systems, ensuring effective integration and performance. Job Requirements: Experience in systems integration, preferably within the Defence & Security sector. Proficiency in using PowerShell and C# for script development Strong knowledge ...

fast-growing AI-driven SaaS company is hiring three Senior Software Engineers to join its engineering team. These are hands-on roles with a strong backend and architectural focus, ideal for engineers who enjoy working in scale up or startup environments and want to build high-quality, cloud … native software that powers real-world automation. You'll be part of cross-functional squads delivering modern, serverless, AI-enabled applications used in highly regulated industries. The company has a strong engineering culture, embraces AI-assisted development, and offers autonomy, impact, and the chance to help shape technical direction. ...

Software Engineer - Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 Company: VC back Startup About the Role: This startup is building a cutting-edge platform to transform … more intelligently than ever before. Looking for someone who enjoys writing clean, wellstructured code and has a genuine interest in engineering.. not just software, but how things are built in the real world. Backed by one of Europe's leading VCs and with a 4-year runway. This company ...

Senior Software Engineer Full Stack - Ruby on Rails, React Up to £120k DOE Fully Remote - must be UK based A fast-growing sports tech company building high-performance, data-driven products for a rapidly expanding global audience is searching for a Senior Full Stack Engineer. This … pivotal role for an experienced engineer who thrives on shaping architecture, driving technical direction, and still remaining hands-on in the codebase. As a technical leader within a cross-functional Product Team, you'll influence the long-term engineering strategy, guide architectural decisions, and ensure the platform scales reliably ...

Senior Software Engineer – 3D Graphics/Computer Vision London preferred | Full-time | Visa sponsorship available The mission Work at a stealthy 3D/graphics startup that turns real‐world objects into production‐ready, photoreal assets for film, games and real‐time experiences. Think: high‐end material capture … photogrammetry tools used behind the scenes by top studios, not off‐the‐shelf consumer software. The role You'll be the go‐to engineer for 3D rendering and asset processing in a Windows desktop app that sits at the heart of the company's pipeline. Expect deep work ...

Title : Senior Embedded Software Engineer Location : Oxford Salary : £60,000 - £70,000 (Depending on Experience) Job Overview: We are seeking an experienced Senior Embedded Software Engineer to join a multidisciplinary design and engineering team developing high-quality, safety-critical embedded systems. The successful candidate … will take technical ownership of embedded software development across multiple concurrent projects, working closely with hardware, systems, and test engineers to deliver robust and compliant solutions. This is a full-time, on-site role based in Oxford, offering the opportunity to influence software design and development across several ...

Title : Senior Embedded Software Engineer Location : Oxford Salary : £60,000 - £70,000 (Depending on Experience) Job Overview: We are seeking an experienced Senior Embedded Software Engineer to join a multidisciplinary design and engineering team developing high-quality, safety-critical embedded systems click apply ...

Title: Senior Embedded Software Engineer Rank: Determined by the confirmed level and scope of experience Company: Chevalier Tech Limited Location: Colindale, Greater London (On-site) Salary: Salary is competitive and negotiable based on experience. Job Type: Full-time, Permanent About Us Chevalier Tech Limited is a tier … Smart Door Handles, and Control Electronics, which are integrated into high-end passenger and super cars worldwide. About the Role As a highly Experienced Software Engineer, you will lead the software engineering team, play a pivotal role in the design, development, and implementation of embedded software ...

Senior Software Engineer (.NET) Financial Services Consultancy Payments & Gateways Oxford area (Hybrid - 3 days in office) £70,000 base + discretionary bonus I'm currently working with a well-established financial services technology consultancy based in the Oxford area click apply for full job details ...

looking for a Senior Software Engineer to join our Group Technology team in Milton Keynes. In this role, you will help develop, support and enhance business systems and applications using .NET technologies and SQL Server. We offer a hybrid working arrangement with two days per week … Milton Keynes office. Key Responsibilities: Be up to date regarding best practices in software development and deployment Implement best practice coding in relation to development coding standards Use operational data to improve the stability and performance of the applications Maintain documentation and release notes Have awareness of application security ...

Senior Software Engineer - .Net, Azure. - Contract £700 - 750pd UK, Remote | Contract Inside IR35 Only | 6 months January start. Curated is partnering with a global SaaS scale-up undergoing a significant platform modernisation and growth phase. The business is scaling multiple engineering teams and is looking to bring … highly experienced contract Software Engineers to support complex, high-impact delivery. This role is suited to senior engineers who enjoy working on large, evolving platforms, modern cloud infrastructure, and solving non-trivial technical problems in fast-moving environments. The Role You will join a cross-functional product engineering ...