26 to 50 of 56 Senior Software Engineer Jobs in the South East

Job Title: Senior Software Engineer Our Client: Our Client operates in the Scientific Technology industry, providing cutting-edge solutions for a range of scientific applications. They are known for their inclusive and innovative culture, fostering growth and development among employees. Role Summary: Our Client is seeking a Senior Software Engineer to join their dynamic … team in Oxford. The successful candidate will play a vital role in developing and supporting software applications and drivers for a variety of Oxford Instruments products. Reporting to the Software Manager, this position is crucial for ensuring projects meet customer requirements and overseeing the complete software development lifecycle. Responsibilities: Collaborate within an Agile team to deliver high … quality software solutions Utilise software design methodologies to develop robust components and systems Participate in design reviews and explore new tools and techniques Provide ongoing support for new and existing products Ensure documentation is up-to-date to facilitate system maintenance Stay abreast of industry trends and suggest enhancements for product performance Essential Skills & Experience: Degree in Science More ❯

Senior Software Engineer – C# Salary: Up to £100,000 + Benefits Location: Royston (Hybrid) Employment Type: Permanent Are you a seasoned software engineer who thrives on solving complex problems, setting technical direction, and mentoring others? Our client, an innovative and forward-thinking technology business based in Royston, is looking for a Senior Software Engineer to play a pivotal role in scaling their cutting-edge products to the next level. This is a hybrid position with the opportunity to work part-remote while being part of a highly collaborative and ambitious team. Key Responsibilities Lead by example in implementing best practice software design patterns, architecture, and agile methodology. Drive the re … code. Mentor and develop junior engineers to help them reach their potential. Guide the team in making pragmatic decisions while upholding strong technical principles. Champion code quality, including rigorous software test coverage and maintainability standards. Desirable Experience & Skills Strong candidates are likely to bring most (but not all) of the following: Experience in software engineering, with deep expertise More ❯

Senior Embedded Software Sustaining Engineer required for a manufacturer of life saving electronic solutions products. Part of a global group, this company offers rewarding careers, great benefits, and plenty of opportunities to grow in a supportive, energetic workplace. Hybrid working options (5 out of 10 days in the Rochester office). We are seeking a dedicated Software Engineer to take ownership of sustaining and enhancing existing embedded firmware and software product portfolio, primarily developed in C, with some C++ used for QT-based front ends. This is a new role within the R&D team, created to ensure the continuity and quality of support for mature products. The primary focus will be maintaining and … driver integration, allowing the core development team to focus on new product innovation. You will become a key knowledge holder across the product range and work closely with the software manager to plan and coordinate sustaining engineering tasks. While they operate a rotating schedule where software engineers take turns supporting legacy products, this role will act as the More ❯

Senior Software Engineer Location: Margate Job Type: Full-time Overview: We seek a Senior Software Engineer to drive innovation in embedded firmware development. You will lead R&D efforts, collaborate with leadership, and ensure high-quality software solutions for our products. Key Responsibilities: Lead firmware development and mentor junior engineers. Collaborate on product … concepts and refine specifications. Translate system requirements into software solutions. Develop, test, and document software programs. Work with hardware teams to optimise integration. Research and implement emerging technologies. Assess technical risks and provide expert guidance. Support design reviews and project management. Ensure compliance with quality and safety standards. Qualifications: Education: Bachelor's in Electrical Engineering, Computer Science, or … related field (Master's preferred). Experience: 10+ years in embedded software development with leadership experience. Skills: Expertise in ARM-based microcontrollers, FreeRTOS, and Microsoft Visual Studio. Knowledge of RF communication and marine navigation is a plus. Competencies: Strong leadership, problem-solving, and collaboration skills in a fast-paced environment. CVs in Word Format to New Appointments Group, Expertly More ❯

Senior Software Engineer – Product Development – Reading (Hybrid) Avanti Recruitment is partnering with a thriving Software company in Reading. We are looking for an expert Product Engineer with very strong OO PHP skills or OO programming in another language and happy to work with PHP. This role will suit an engineer who thrives on solving … customer problems , not chasing the latest tech or buzzwords. The Senior Software Engineer will take ownership of complex, high-impact product features on a well-established SaaS platform. This is a hands-on engineering role, not a website maintenance job and you’ll be building the logic, architecture, and integrations that power core customer solutions. The Role … evolution with scalable, maintainable architecture Occasionally creating supporting UIs for complex functionality What We’re Looking For Deep expertise in object-oriented programming and backend architecture Strong understanding of software engineering principles and design patterns API design, development, and integration experience HTML, CSS, JavaScript Solid database knowledge (MySQL preferred) Comfortable owning projects end-to-end Linux, SaaS platforms, CRM More ❯

Senior Software Engineer required by a high-tech company located in Fareham. Due to continued success they are looking to grow their software team developing products for Android platforms. The successful Senior Software Engineer is likely to have a degree in Computer Science or similar subject and commercial experience developing Android applications using More ❯

Job title: Senior Embedded Software Engineer Location : Maidenhead, Berkshire Salary Range: £60,000 - £80,000 The Malloy Aeronautics Team: Malloy Aeronautics Limited specializes in the development of heavy lift unmanned air vehicles (UAVs) for both civilian and military uses. Located in Berkshire, our operations are notable for their focus on in-house design and manufacturing. This vertical … we control the production of most aircraft components on-site, enhancing our ability to innovate and maintain high standards across all stages of development. About The Role: As a Senior Embedded Software Engineer, you will be reporting to the Software Engineering Manager as an embedded systems developer . Responsible for integration of hardware and software … in the UK. We seek someone looking to support in the development and verification of flight control software. You will be supporting in the delivery of engineering outputs including software requirements, software design, software implementation and software testing. Applying your knowledge and principles of engineering to assist in the implementation of aircraft control systems to a More ❯

Senior Software Engineer We're looking for an experienced Senior Software Engineer to join our growing IT team in the insurance sector. You'll take the lead in developing scalable, high-quality web and mobile applications using Microsoft technologies (.NET, C#, Blazor), working closely with international and cross-functional teams. As the lead on … Microsoft technologies, you'll help shape the direction of our software solutions while contributing to critical projects across the business. We are looking for someone with strong and confident stakeholder engagement along with technically strong experience. What You'll Do Design, build, and maintain internal and external web/mobile applications (.NET, C#, Blazor). Lead the technical development More ❯

Senior Software Engineer for hybrid IT role with my client's offices being based in Southampton My client is looking to recruit a Senior Software Engineer with excellent .Net c# developer skills The Technology function is responsible for the delivery of business and technology change including the provision of robust infrastructure and IT service … Experience of taking business requirements and designing, implementing and producing high quality end to end products. Working with other members of the team to collaborate to produce high-quality software solutions contributing to and following established development practices. Experience of designing, developing and maintaining RESTful APIs Understanding of integrating with React, Next.js and Ionic applications Technical knowledge and experience More ❯

Senior Software Engineer – Java (Digital Consultancy) – London – Hybrid – up to £85K We’re working with a rapidly growing UK digital consultancy with a headcount of 500+ and offices across the UK. They combine technical excellence with a supportive culture that genuinely puts people first. This is an opportunity to join a cross-functional agile team delivering innovative … finance, e-commerce, gaming, and more. You’ll be working alongside engineers, QA, product, and design to build robust systems that make a real impact. The Role As a Senior Software Engineer, you will: • Work across multiple technologies, producing scalable, testable, and well-architected code. • Develop and maintain RESTful Java APIs and database integrations. • Troubleshoot and solve … complex software issues, ensuring quality and performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. • Have More ❯

+ Bonus + Benefits Clearance Required: British Citizens only, SC eligible Our client, a consultancy at the forefront of public sector digital transformation, is looking for a Senior Software Engineer to join a high-performing team delivering AI-powered data platforms to government departments. You'll contribute to a secure full-stack platform enabling sensitive data redaction … and digital archiving. This is a chance to build innovative, scalable services that make a real-world impact across central government. Responsibilities: Design and develop secure, scalable full stack software solutions Work across 30% front-end development (React, TypeScript) and 70% back-end (Java, Spring Boot) Develop APIs, manage relational databases (PostgreSQL/MySQL), and deliver clean DevOps pipelines … looking for: 4+ years of experience in full stack development Expertise in Java, Spring Boot, and front-end technologies including React Strong skills in PostgreSQL, API design, and secure software deployment Comfortable working in hybrid environments using CI/CD, Docker, GitHub Actions Excellent problem-solving ability and communication skills Must be a British Citizen and eligible for SC More ❯

About the job Senior Software Engineer Robotics Location: Hertfordshire Salary: £50,000 - £60,000 Are you a Software Engineerwith a passion for C#/.NET and Robotics? Join a fast-growing technology start-up that builds advanced robotics systems for real-world applications. Key Responsibilities: +Lead the way and be a strong advocate of best practice … software design patterns, software architecture and agile methodology. +Take a lead in our effort to re-architect and harden our code to prepare for 10x-100x scale +Mentor junior software engineers +Help the team to find the right balance between strong principles and pragmatism; and help the team to inform buy vs build decisions +Be the standard … bearer for code quality (including software test coverage and maintainability of code) Key Requirements: +10+ years experience in software engineering. +10+ years experience with C# and .NET. + Previous experience with Linux, Python and Azure DevOps +Previous experience in both start-ups/scale-ups and larger organisations +Strong communication skills +Previous experience in robotics or other hardware More ❯

A Technology Consultancy seeks a Senior level Software Engineer with a strong academic record, proven C/C++ development skills and experience of working on complex real-world problems to provide solutions to challenging projects in a number of areas such as cyber security and network security. You must be a British National as UK Security Clearance … a STEM subject from a leading University as well as A’s at A level in Mathematics and Physics are required, with a PhD being highly beneficial. The successful Senior Software Engineer will ideally bring a range of software development skills and experience, including strong C/C++ development experience, using and configuring Linux systems; developing … well as familiarity with source control systems. An appreciation of hardware is also highly beneficial. You should be adaptable, self-motivated and possess the ability to produce clear, efficient software designs; be confident in supporting customers and providing training as well as mentoring others. This Technical Consultancy encourages innovation, seeking bright minds who thrive on technical challenges. This is More ❯

Senior Software Engineer £60000 GBP Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Solutions Engineer - London (Hybrid) We're supporting a global technology group in hiring a Solutions Engineer to join their Digital Solutions team. This is an exciting opportunity to design, prototype, and deliver modern digital solutions leveraging cloud, AI, VR …/AR, Edge computing, and other emerging technologies to drive strategic initiatives across multiple industries. This role is ideal for a software engineering professional with a strong technical foundation who is passionate about applying innovative technologies to solve real-world business challenges, while collaborating in a forward-thinking, cross-functional environment. Key Responsibilities: Collaborate with the Senior Solutions … Concepts (POCs) and prototype solutions, leveraging cloud services, AI, VR/AR, and other emerging technologies. Work closely with development teams to deliver strategic initiatives, supporting adoption of modern software practices. Develop reusable technical assets, including reference architectures, implementation playbooks, and solution templates to accelerate delivery across group companies. Provide guidance on software engineering best practices, CI/ More ❯

Role: Senior Software Engineer - .NET, Angular, Azure Location: Bedfordshire Working Arrangements: 2 days in the office per week Salary: Up to £80k plus great benefits, including 10% company pension contribution and 35 hour working week Youve been looking for a great company thats financially stable, with a lot of interesting work to do, with modern tech, that … house, so their tech stack is centered around C#, .NET 8+, Azure, TypeScript, and Angular. I am looking for someone who is the full package - not only a superb software engineer, skilled in the above technologies, who loves to create efficient, elegant, and well-documented technical solutions, but also who is a great person to be around - a More ❯

SENIOR BACKEND ENGINEER UP TO £80k + BENEFITS HYBRID ROLE - 1 day a week in office LONDON Are you looking to take ownership of backend systems in a role that offers great benefits, hybrid working, and the chance to work with modern cloud technologies? THE COMPANY This fast-growing organisation operates in the digital space, delivering innovative technology … that drive real business impact. They are expanding their engineering team and investing in cutting-edge products that leverage data, automation, and scalable cloud platforms. THE ROLE As a Senior Backend Engineer , you'll be responsible for building and maintaining scalable systems and services that underpin the company's technology strategy. Key responsibilities include: Designing and delivering backend … software solutions aligned with the engineering roadmap Supporting solution design, infrastructure setup, testing, and maintenance Ensuring services remain robust, secure, and up-to-date with user feedback and evolving requirements Building new features and optimising existing systems for performance and scalability Upholding engineering best practices across cost efficiency, compliance, and quality Collaborating with cross-functional teams and communicating effectively More ❯

Senior Software Engineer/Platform Developer - backend and platform TypeScript, AWS London - hybrid (Tues/Weds/Thurs in offices near Farringdon tube station) around £80,000 - £90,000 plus package Discretionary bonus (10%), Private Healthcare, 25 Days holiday, 5% pension, Life Insurance, 2 Volunteering days a year, Season Ticket Loan Do you love music, storytelling and … building the tools that help a software team succeed? This organisation have helped tell some of the worlds most iconic stories. With a history spanning 24 years, 140 staff and a passion for the highest quality, they need a Senior Developer to be the architect and mechanic of their digital workshop. This Platform Developer role is about making … Fixing core problems: You’ll handle tricky technical stuff (like infrastructure and systems) so the product team doesn't get slowed down. Building APIs: the bridges that let different software talk to each other. You’ll create and manage these bridges to make sure they’re safe, reliable, and can handle lots of use. Helping deploy software faster More ❯

Company description: Khne + Nagel (AG & Co.) KG Job description: ? As the Senior Software Engineer, you will play a key role in bridging the product vision and its technical execution. Youll translate the Product Managers goals into a clear technical roadmap, ensuring development aligns with the product vision. A core part of your role will be acting … system ATLAS is built to be scalable, reliable and secure. Develop and propose coding guidelines, conduct thorough code reviews, and enforce best practices to deliver high-quality software. Refine software development processes to boost efficiency and align with the overall product strategy. Take ownership of solving complex technical challenges and making decisions that keep the product on the right … automated and manual, to ensure the product performs as intended. Optimize build, deployment, and operational processes to maintain reliability, prevent downtime, and ensure consistent performance. Coordinate, schedule, and oversee software updates and releases to ensure seamless delivery and execution What we would like you to bring At least 4 years of experience in software development, ideally for WMS More ❯

Looking for a Senior Software Engineer with strong communicational skills, with opportunity to become a lead in the future. In person - meeting in London once a month tops. So you can be based anywhere in the UK. HIGHLY advanced English. Advanced skills in Next.js, React, GraphQL, Supabase, Vercel, and Google Cloud Platform. Talamo is a fast-growing More ❯

Job Description We are looking for a Senior Software Engineer to join our Group Technology Team in Milton Keynes. You will help development, support and enhance the business systems and applications using .NET technologies and SQL Server. You will also play a key part in driving and supporting change within the department both professionally and technically. Key … responsibilities: Keep up to date regarding best practices in software development and deployment Implement best practice coding in relation to Development coding standards Provides direction and technical context for more junior developers Fosters a culture of observability across the engineering team. Helps teams across engineering use operational data to improve stability and performance of their applications. Awareness of application … teams to resolve them before they become an issue, and installs preventative measures to mitigate repeat occurrences. Effectively handles risk, change, and uncertainty across the organization. Work alongside other Software Engineers on projects or work alone where necessary Create secure and high performing n-tier applications utilising best practices in the development of database applications using SQL Contribute to More ❯

Senior .Net Developer - Onsite in Horsham - Up to 70k I am recruiting for a fast growing UK SaaS company that produce a market-leading SaaS platform used by Finance companies across the UK and Europe. Due to the continued and rapid growth of the company and the expansion of their SaaS product suite they are looking to hire a … number of developers with a background in the ASP.Net. As a Software Developer, you will play a crucial role in ensuring the quality and reliability of software products to hundreds of blue-chip finance brand companies across the UK and Europe. They are looking for a 2x Senior developers to join their team in Horsham, West Sussex. … C# and JavaScript skills VS Code/Visual Studio ASP.Net 4.8 and above T-SQL/SQL Server Desirable Source control (Ideally using GIT) Azure DevOps Working as a Senior Software Developer, you will receive: Very competitive salary up to 70k (depending on experience) Strong personal and company bonus schemes 20 days holiday entitlement (plus all the bank More ❯

Senior .Net Developer - Onsite in Horsham - Up to £70k I am recruiting for a fast growing UK SaaS company that produce a market-leading SaaS platform used by Finance companies across the UK and Europe. Due to the continued and rapid growth of the company and the expansion of their SaaS product suite they are looking to hire a … number of developers with a background in the ASP.Net. As a Software Developer, you will play a crucial role in ensuring the quality and reliability of software products to hundreds of blue-chip finance brand companies across the UK and Europe. They are looking for a 2x Senior developers to join their team in Horsham, West Sussex. … C# and JavaScript skills VS Code/Visual Studio ASP.Net 4.8 and above T-SQL/SQL Server Desirable Source control (Ideally using GIT) Azure DevOps Working as a Senior Software Developer, you will receive: Very competitive salary up to £70k (depending on experience) Strong personal and company bonus schemes 20 days holiday entitlement (plus all the bank More ❯

crypto-native firms, they process trillions of market events daily to protect investors, detect manipulation, and ensure integrity across both traditional finance and digital asset markets . As a Senior Software Engineer , you'll play a key role in designing and scaling advanced systems and algorithms that safeguard some of the most dynamic and complex markets in … architecture for low-latency monitoring and high-throughput processing . Continuously improve data quality, reliability, and query optimisation at scale. What we're looking for 5+ years' experience in software engineering , ideally in financial markets, market surveillance, or large-scale data systems . Strong skills in Java (or similar: Kotlin, C#, C++) ; Python is a plus. Proven experience with More ❯

Senior Backend Engineer Python/Django | Climate Tech Scale-Up | Central London c.£85-95k Ready to make real impact with your code? This climate-tech scale-up is going through the gears, backed by world-class investors, and heading towards a big future. Theyve built a platform already trusted by global enterprise brands and now the … engineering team is growing fast to take things to the next level. Youll join as a Senior Backend Engineer , taking ownership of complex Python/Django services that power enterprise decarbonisation. Expect to design elegant APIs, tackle data-heavy challenges, and collaborate closely with sustainability experts and product teams. What makes this special? High-performance engineering team smart More ❯

Senior Embedded C++ Software Engineer 62ph (Inside IR35) Southampton (Hybrid) Initial 6 month contract Our Southampton facility is a leading UK centre of excellence for electro-optics, photonics, and laser-based technologies. The site focuses on the design, development, and manufacture of advanced systems used across defence, aerospace, and security applications. We play an important role in … supplying critical technologies to both the UK armed forces and international partners, contributing to next-generation capabilities in multiple domains. We are on the hunt for talented software engineers to support our Integrated Sensors & Protection line of business. Direct industry experience is not required, we are happy to explore all backgrounds. We want to develop a new generation of … features and capabilities using innovative software solutions and we need you to create them. Essential Bare metal embedded C++ software development Embedded interfaces e.g. CAN bus, I2C, SPI, GPIO Familiarity with the tools and approaches to embedded development Work in our Southampton office 1-4 days a week. Employees are welcome to work onsite 5 days a week More ❯