1 to 25 of 56 Senior Software Engineer Jobs in the South East

CONTRACT SENIOR SOFTWARE ENGINEER - eDV CLEARED NEW CONTRACT JOB OPPORTUNITY AVAILABLE WITHIN A LEADING NATIONAL SECURITY COMPANY FOR A SENIOR SOFTWARE ENGINEER WITH eDV CLEARANCE Contract job opportunity for a Senior Software Engineer Globally leading defence/cyber security company £500 - £750 per day (inside and outside IR35 roles available) London … based organisation in an easily accessible location Contract Senior Software Engineer To apply please call or email WHO WE ARE? We are recruiting multiple contract Senior Software Engineers to work with various clients in London ranging from R&D companies, Multi-National Consultancies to SME's and product based companies. Due to the nature of … the work these clients do, you must hold enhanced DV Security Clearance. WHAT WILL THE SENIOR SOFTWARE ENGINEER BE DOING? As a Senior Software Engineer, you will work with an experienced agile team to design and deliver packages of bespoke work, work development teams and liaise with customers. You will work through the entire More ❯

SENIOR SOFTWARE ENGINEER - eDV CLEARED NEW PERMANENT JOB OPPORTUNITY AVAILABLE WITHIN A GLOBALLY LEADING NATIONAL SECURITY COMPANY FOR A SENIOR SOFTWARE ENGINEER WITH eDV CLEARANCE Permanent job opportunity for a Senior Software Engineer Globally leading defence/cyber security company Salary up to £100,000 plus clearance bonus London based organisation … in an easily accessible location Permanent Software Engineer To apply please call/or email WHO WE ARE? We are recruiting Senior and Lead Software Engineers to work with a multi-national, industry leading National Security client in central London. Due to the nature of the work you must hold enhanced DV Security Clearance. WHAT WILL … THE SENIOR SOFTWARE ENGINEER BE DOING? As a Senior Software Engineer, you will work with an experienced agile team to design and deliver packages of bespoke work, work development teams and liaise with customers. You will work through the entire software development life cycle from requirements capture to R&D, implementation to automation. More ❯

Senior Embedded Software Engineer Hampshire Hybrid working (1 Day week in office) Aerospace & Defence 35 Hour week The Role - Senior Embedded Software Engineer This is an outstanding opportunity for a Senior level Embedded Software Engineer to join a prominent global aerospace business in the development of safety critical software solutions. … You will be responsible for designing, developing, and testing software within the avionics development team. You'll need to be a methodical engineer with a strong background in optimising systems utilising embedded C++ coding, and whilst aerospace experience would be hugely beneficial, this is not a prerequisite. Duties - Senior Embedded Software Engineer Lead full lifecycle … of design, implementation and test of aerospace software products. Ensure compliance with Aerospace safety standards. Maintaining and managing continuous software integration and testing processes. Ensure software quality and reliability. Identifying software failures and implementing effective solutions. Mentor less experienced team members. Background - Senior Embedded Software Engineer A bachelor's degree in engineering Extensive More ❯

Senior Embedded Software Engineer Hampshire Hybrid working (1 Day week in office) Aerospace & Defence 35 Hour week The Role - Senior Embedded Software Engineer This is an outstanding opportunity for a Senior level Embedded Software Engineer to join a prominent global aerospace business in the development of safety critical software solutions. … You will be responsible for designing, developing, and testing software within the avionics development team. You ll need to be a methodical engineer with a strong background in optimising systems utilising embedded C++ coding, and whilst aerospace experience would be hugely beneficial, this is not a prerequisite. Duties - Senior Embedded Software Engineer Lead full lifecycle … of design, implementation and test of aerospace software products. Ensure compliance with Aerospace safety standards. Maintaining and managing continuous software integration and testing processes. Ensure software quality and reliability. Identifying software failures and implementing effective solutions. Mentor less experienced team members. Background - Senior Embedded Software Engineer A bachelor s degree in engineering Extensive More ❯

Senior Software Engineer/Software Developer who has proven software application development experience across the stack C#, ASP, .NET, Blazor, API Development, Microservices, Containers and Deployment Pipelines is required for a well-established company based in Bedford, Bedfordshire. TWO JOBS AVAILABLE WOULD YOU LIKE TO HELP SHAPE THE FUTURE OF THE COMPANYS TECHNOLOGY? If you … can design and build scalable software, collaborate with diverse teams, mentor junior engineers, then wed like to hear from you. SALARY: £60,000 - £70,000 per annum + Benefits LOCATION: Hybrid Working with your time split working from home and the office in Bedford (MK44) This role can be based in either UK or Portugal Local Salary Ranges Will … Apply JOB TYPE: Full-Time, Permanent JOB OVERVIEW We have a fantastic new job opportunity for a Senior Software Engineer/Software Developer who has proven software application development experience across the stack C#, ASP, .NET, Blazor, API Development, Microservices, Containers and Deployment Pipelines. Working as a Senior Software Engineer/Software More ❯

Senior Software Engineer, C++, COR7263 This is a rare opportunity for an experienced, Senior Software Engineer with skills in C++ and Rust, to join an historic British icon at the forefront of Engineering. The Role Ideally with a background in aerodynamics, data science, vehicle dynamics or computer simulations, the Senior Software Engineer will work closely with Design Engineers, Mechanical Engineers and other technical users, to gather and understand the requirements necessary to ultimately design, develop and maintain the software and computational tools they use - a variety of applications across both web and desktop, such as state-of-the-art simulations, real time data and bespoke analysis tools. Benefits include: Bonus … within Engineering, or other technical environments would be of benefit I want to do that! If you have any questions or would simply welcome a chat about this excellent Senior Software Engineer position and company, just call me or drop me an email, as I'd love to hear from you! If, though, you think this role More ❯

Are you an experienced Senior Software Engineer looking to take the lead on cutting-edge projects within the Defence sector? We are seeking a skilled engineer to design, develop, and deliver high-quality software solutions that meet complex system requirements. As a Senior Software Engineer, you'll play a key role in … architectural design, software development, and team leadership, ensuring innovative solutions are delivered on time and to the highest standards. Key responsibilities for the Senior Software Engineer based in Surrey: Lead a team of software engineers, providing technical direction, supervision, and mentoring. Define architectural and detailed software designs in line with wider system requirements. Develop … and test software in C++ across Linux and Windows platforms. Collaborate with multidisciplinary teams, ensuring seamless integration with firmware and electronics. Manage project timescales, resources, and deliverables in conjunction with the Project Manager. Conduct structured software verification, validation, and system integration activities. Prepare and present technical documentation and design reviews to internal teams and customers. Key skills required More ❯

Senior Software Engineer/Developer (Full Stack JavaScript) London to £100k Opportunity to progress your career in a senior, hands-on Software Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets … established 10 years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Software Engineer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and … understanding of web development practices, tools and technologies You enjoy learning and picking up new things You're flexible and able to adapt to changing priorities You have full software development lifecycle experience including CI/CD and testing You're collaborative with Agile team experience, happy to mentor more junior developers You're likely to be degree educated More ❯

Job Description Senior Software Engineer Location: Farnborough, with flexibility to work from home dependent on business demands The Role: We are in search of a Senior Software Engineer t o support a Government Critical National Infrastructure project. As a Senior Software Engineer you will l ead multiple software development team … his position is a full time, permanent role and applicants must have SC clearance or be willing to undergo the clearance process. What will I be doing? Lead multiple software development team(s) to deliver solutions with architectures that provide capability improvements, reduced costs and flexibility to adapt quickly to customer needs. Understand high-level features and desired outcomes … Assist Team building, understanding and analyzing desired outcomes. Responsible for the application-level outcomes, prioritisation of those outcomes and maintaining a roadmap of capability improvements (in conjunction with the Senior Leadership Team) related to the softwares architecture and the end-to-end design. Formulate software designs that create solutions meeting various desired outcomes (both now and future) while More ❯

Senior Software Engineer | Node | TypeScript | React | APIs | Greenfield | AWS | Microservices | £90,000-£95,000 + 10% Discretionary Bonus + Benefits Method Resourcing is thrilled to be partnering with a global leader in the travel services and benefits sector. They're looking for a Senior Software Engineer to drive innovation and drive forward greenfield functionality … as the company dives into AI. The role: As a Senior Engineer, you will join a collaborative, high-impact team where you'll help shape and deliver cutting-edge solutions. This role gives you the chance to design and build cloud-native platforms that leverage AI, automation, and modern architectures at scale. Beyond coding, you'll have a … strong voice in product direction, architectural strategy, and fostering an engineering culture rooted in best practices. If you enjoy creating clean, reliable software while working closely with other skilled engineers, this is an opportunity to make a meaningful impact. Skills & experience we are looking for: Tech Stack Expertise - Skilled in TypeScript (Node.js mainly but also React, this role is More ❯

Senior Software Engineer We're currently working with a growing SaaS company based in Banbury that are looking for a Senior Software Engineer skilled with C# ASP.NET, Angular, and SQL. This role will naturally grow in to a Lead Engineer position as the team grows. You will be working to develop and build … out nationally, and then internationally. This role is based in Banbury, and it will require you to be onsite a minimum of two days per week. Essential Experience: Professional software engineering experience (typically 5+ years) using C#/ASP.NET (Core & Framework) and modern JavaScript/TypeScript frameworks, particularly Angular (v8+). Significant understanding and practical experience with relational databases … Azure). Benefits: Competitive Base Salary Hybrid Working Private Healthcare 33 Days Holiday 37.5 Hour work weeks - flexi-hours Great career progression This is a great opportunity for a Senior Software Engineer skilled with C# .NET and Angular, to join a great company offering an incredible benefits package, with the opportunity for further career progression. Please apply More ❯

Senior Software Engineer II page is loaded Senior Software Engineer II Apply locations UK - Grosvenor House (Southampton) time type Full time posted on Posted Yesterday job requisition id R97533 About the Business: At Cirium, our goal is to keep the world connected. We are the industry leader in aviation analytics; helping our customers understand … terabytes of flights, events and news data and we constantly add new data sources. What we are looking for is someone with sound technical knowledge in ML, statistics and software engineering, the creativity to leverage this knowledge in solving unusual problems and the will to operate while outside his/her comfort zone About the Role: You'll be … part of our Software Engineering squads, working with talented engineers and performing complex research, design, and implementation within a software functional area or product line. Your role will cover all aspects of the software development lifecycle as you will develop, refactor, fix, test and review new software functionality, improvements, and bug fixes to our product portfolio. More ❯

Senior Software Engineer - Python £55000 - 65000 GBP Onsite WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Senior Software Engineer - Python Full-time | Hybrid | Locations: Bristol, Cheltenham, Plymouth, Manchester Our client is a specialist technology consultancy delivering bespoke software and data solutions to government, defence, and critical national infrastructure sectors. They are … looking for a Senior Software Engineer with strong Python expertise to join a high-impact programme, developing solutions that address complex operational challenges. The position is hybrid, with customer-facing work expected on a regular basis (typically every two weeks). What You'll Do Design, develop, and test high-quality software solutions. Work across diverse … calendar with regular team events, summer parties, and company-wide awaydays. Onsite perks including lunch and drinks allowances. This is an opportunity to join a forward-looking team delivering software that genuinely makes a difference in critical infrastructure. You'll work on meaningful projects, enjoy flexibility and career growth, and be part of an environment that values both technical More ❯

Senior Software Engineer I page is loaded Senior Software Engineer Iremote type: Remotelocations: Remote - UK (UTL): Barcelonatime type: Full timeposted on: Posted Todayjob requisition id: R-100890We're UserTesting-the leader in human insight. Our mission is to help organizations craft exceptional customer experiences through fast, actionable feedback.We empower teams to build the best … supportive, inclusive, and committed to fostering a sense of belonging. We leverage scaled agile practices to ensure transparency, alignment, and continuous improvement across our teams. Your Role:As a Senior Software Engineer, you'll play a critical role in designing and building scalable, reliable systems. You'll collaborate closely with a diverse team to create software … and learn effectively, and contribute meaningfully to our technical evolution. Duties/Responsibilities: Daily analyzing and designing reliable & scalable Engineering solutions. Collaborating and guiding the team to bring solid software to production. Providing technical context and finding key points to boost the best decisions. Bringing fresh views on Frontend, Backend and Software strategies. Communicating and documenting solutions, so More ❯

Senior Software Engineer (C++, Perl) Location: Basingstoke, 5 days a week Job Type: Permanent, Full-time Salary: Competitive A new exciting permanent Senior Software Engineer position has become available to lead a software team within the companies Design department. This role is crucial in maintaining and extending world-class design realisation and engraving … implementing new features and addressing technical debt, while also coaching and mentoring junior team members. Day-to-Day of the Role: Lead the design and development of quality, simple software using appropriate patterns. Focus relentlessly on user needs, driving incremental delivery of high-value software and addressing areas of risk timely. Work closely across a multi-disciplinary team … delivery. Promote knowledge sharing across the team and department, enabling collaborative work on the same codebase. Regularly update your team and colleagues on your work through agile ceremonies and software development lifecycle tools (e.g., Azure DevOps, Jira). Identify and implement improvements in ways of working, processes, or adoption of new technologies. Proactively identify and mitigate risks associated with More ❯

Are you an experienced Senior Software Engineer with strong Delphi expertise? Join a forward-thinking technology business, working on a diverse range of bespoke applications, APIs, and databases that underpin both customer-facing products and internal systems. Senior Software Engineer - Delphi & C# Location: Hybrid (office in Southampton, Hampshire) Salary: Circa … + up to 15% discretionary bonus Benefits: Bonus scheme, pension, healthcare, EV car scheme, volunteering day, career progression & more The Role As a Senior Software Engineer, you'll be part of a collaborative Agile product team, responsible for designing, developing, and maintaining innovative software solutions. You will: Write clean, efficient, and secure code in Delphi and … part in Agile ceremonies, code reviews, and sprint delivery. Support out-of-hours incident resolution on a rota basis. This role offers the chance to work across the full software lifecycle, while shaping technical direction and supporting the growth of your peers. About You You'll be a strong communicator and problem-solver, with the ability to work across More ❯

Senior Software Developer An exciting opportunity awaits a Senior Software Engineer to join a well-established design consultancy specializing in advanced signal and image processing technology. We are looking for an experienced professional to bring both expertise and innovative solutions to highly complex, cutting-edge projects. You will be at the forefront of product development … mentoring junior engineers, and collaborating closely with multidisciplinary teams to push the boundaries of software and embedded systems. With access to continuous learning opportunities and collaboration with industry leaders, this role is perfect for a senior engineer who thrives in a challenging, forward-thinking environment. Key Qualifications : 5+ years of experience in software development, with an … lead and mentor junior engineers Benefits : Competitive salary commensurate with experience 25 days of paid leave plus public holidays 10% pension contribution Comprehensive life insurance and income protection Position : Senior Software Developer – Signal/Image Processing Location : Surrey Apply : Send your CV to kristian AT enterpriserecruitment DOT com More ❯

Senior Software Engineer UK Remote Are you ready to put your technical expertise to work in transforming services that directly improve lives across the UK? Our client provides emergency accommodation and vital support for some of the countrys most vulnerable people including survivors of domestic abuse, refugees, and individuals seeking asylum. Their mission is to create safe … environments and deliver innovative solutions that protect and empower those most in need. They are now looking for a Senior Software Engineerto take a key role in rebuilding and modernising their software landscape. This is a unique opportunity to shape critical systems that underpin essential frontline services. Whats on Offer Fully remote within the UK Salary up … pipelines, version control, testing, and code reviews Excellent communication skills, able to work effectively with diverse teams Background in Agile methodologies Eligible for SC Clearance If youre a seasoned Senior Software Engineer passionate about building scalable solutions, and want your skills to make a real difference, wed love to hear from you. Due to close links to More ❯

Senior Backend Software Engineer/Developer (Rust HFT) London/WFH to £180k Do you have expertise with backend software engineering within trading/finance environments? You could be progressing your career at a hugely profitable High Frequency Trading firm that specialise in crypto markets. As a Senior Backend Software Engineer you will … design and develop backend services for real-time risk, pricing, trading engines and market making systems, working across the full software development lifecycle using Rust. You'll collaborate with a small, talented team, collaboratively problem solving and working on complex and challenging systems with interesting work and huge bonus earning potential. Location/WFH: You'll join the team … in Central London with flexibility to work from home twice a week. About you: You have strong backend OOP, multithreaded software engineering experience You have commercial Rust development experience You have experience of working on high throughput, low latency trading systems You achieved a 2.1 or above in Computer Science from a top tier university You are collaborative and More ❯

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 ❯

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 Embedded Software Engineer - C/C++ Upload CV Overview Are you an Senior Embedded Software Engineer - C/C++ looking to work for a company that makes products that save lives. If so, then this is the job for you! My client's office is based in Rochester, Kent, commutable from Gravesend, Dartford … Bexleyheath, Sittingbourne, Maidstone, Ashford, and Sevenoaks and offers flexible/hybrid working. Responsibilities Design and develop application software and embedded firmware in C and C++ for future products Assist with the support and enhancement of the client's existing product portfolio Design and develop embedded software using Embedded C Work with FreeRTOS to develop real-time, low-level … with hardware, sensors, and microcontroller peripherals Contribute to system integration, debugging, and testing Collaborate with cross-functional engineering teams to deliver high-quality products Qualifications Proven experience as a Senior Embedded Software Engineer Strong hands-on experience with Embedded C and FreeRTOS Solid understanding of microcontroller-based systems and real-time constraints Familiarity with low-level hardware 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 This role can be based in either UK or Portugal Who we are? Verifile is an award-winning leading provider of CV verification and background screening services using innovative technology and methodology. We carry out background checks on candidates to enable our clients to make informed and long-term rewarding recruitment decisions. As a … Senior Software Engineer, youll design and build high-quality, scalable software that keeps our products and operations running smoothly. Youll write clean, maintainable code that balances immediate needs with long-term system sustainability. Working closely with both technical and non-technical teams, youll help shape our technical roadmap, break down silos, and ensure alignment with our … ensuring technical concepts are understood by all stakeholders. The must haves: Proven experience with Azure cloud services (App Services, Functions, SQL Database), identity & access, and infrastructure as code. Strong software development skills across the stack using C#, ASP .NET, Blazor, API development, microservices, containers, and deployment pipelines. Solid understanding of secure coding practices and compliance in SaaS environments, including More ❯