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169 senior software engineer jobs found

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BAE Systems
05 Jun, 2026
Senior Software Engineer
BAE Systems London, UK
  Location(s): UK, Europe & Africa : UK : London    BAE Systems Digital Intelligence is home to 4,500 digital, cyber and intelligence experts. We work collaboratively across 10 countries to collect, connect and understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments. . Job Title: Senior Software Engineer National Security Overview   The National Security business is growing and there are an increasing number of opportunities to work with a range of National Security clients to provide solutions that have a real impact.   Be part of a growing team that not only delivers for its clients but also gives back to the community with plenty of opportunities to get involved with local community engagement and outreach activities to help build tech and cyber skills in the region.     About you You will have experience in many of the following:...
Bc
17 Apr, 2026
Senior Software Engineer I - RegTech Sanctions, FinTech
Booking.com London, City of London, United Kingdom
Role Description: About us: At Booking.com, data drives our decisions. Technology is at our core. And innovation is everywhere. But our company is more than datasets, lines of code or A/B tests. We’re the thrill of the first night in a new place. The excitement of the next morning. The friends you make. The journeys you take. The sights you see. And the food you sample. Through our products, partners and people, we can empower everyone to experience the world.   FinTech business unit – with teams in Amsterdam, Bangalore, London and Shanghai – develops new products and drives innovation to help us continue removing financial friction from the travel  process. That makes buying and selling travel-related products and services simpler for both travelers and partners.   About the Regtech The RegTech department in the Fintech Business Unit at Booking.com is dedicated to ensuring compliance and managing risks through innovative regulatory technology solutions. Our vision is to...
BAE Systems
19 Mar, 2026
Senior Software Engineer – Gloucester – National Security West
BAE Systems Gloucester, UK
  Location(s): UK, Europe & Africa : UK : Gloucester    BAE Systems Digital Intelligence is home to 4,500 digital, cyber and intelligence experts. We work collaboratively across 10 countries to collect, connect and understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments. Job Title: Senior Software Engineer Requisition ID: 122309 Location: Gloucester – We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role. Grade: GG10 – GG11 Referral Bonus: £5,000   About the role The National Security business in Gloucester is growing and there are an increasing number of opportunities to work with a range of National Security clients to provide solutions that have a real impact. Be part of a growing team that not only delivers for its clients but also gives back to the...
BAE Systems
06 Feb, 2026
Senior Software Engineer
BAE Systems Gloucester, UK
  Location(s): UK, Europe & Africa : UK : Gloucester    BAE Systems Digital Intelligence is home to 4,500 digital, cyber and intelligence experts. We work collaboratively across 10 countries to collect, connect and understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments.   Job Title: Software Engineer Location: Gloucester (4/5 days onsite) Salary: Competitive   Who we are Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow – shaping a safer future, for all of us.   From the depths of the ocean, to the far reaches of space –...
RE
17 Apr, 2026
Permanent
Senior Software Engineer
RM Education Limited Abingdon, , United Kingdom
Overview: Would you like to help enrich the lives of learners around the world?     At RM, we’ve been pioneers of education technology since 1973. We provide technology and resources to the education sector, supporting over 20 million students and improving educational outcomes worldwide.   What we do helps learners at all stages of their lives, from preschool to higher education and professional qualification; we partner with schools, examination boards, governments, and professional organisations globally to make learning more accessible, more engaging, and more impactful.     RM operates through three divisions: Assessment (digital assessment and marking solutions), Technology (managed services, hardware, and software for schools), and TTS (educational resources).      Within the assessment market we are experts in providing solutions for online exam testing and marking and the management and analysis of educational data. We work with government...
RE
24 Feb, 2026
Permanent
Senior Software Engineer
RM Education Limited Abingdon, , United Kingdom
Overview: Would you like to help enrich the lives of learners around the world?     At RM, we’ve been pioneers of education technology since 1973. We provide technology and resources to the education sector, supporting over 20 million students and improving educational outcomes worldwide.   What we do helps learners at all stages of their lives, from preschool to higher education and professional qualification; we partner with schools, examination boards, governments, and professional organisations globally to make learning more accessible, more engaging, and more impactful.     RM operates through three divisions: Assessment (digital assessment and marking solutions), Technology (managed services, hardware, and software for schools), and TTS (educational resources).      Within the assessment market we are experts in providing solutions for online exam testing and marking and the management and analysis of educational data. We work with government ministries,...
BAE Systems
04 Jun, 2026
Senior Engineer – Software – EGIS
BAE Systems Dorchester DT2, UK
Job Title: Senior Software Engineer Location: Dorchester, Hybrid, 4 days per week on site We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role Salary: Up to £56,465 depending on skills and experience Who we are: Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there’s no limit to where a career at BAE Systems could take you. Job Description: Joining the Environmental and Geospatial Information Systems (EGIS) team in Combat Systems, you will lead the technical delivery of...
BAE Systems
03 Jun, 2026
Senior Engineer – Software
BAE Systems New Malden, UK
Job Title: Senior Engineer – Software Location: New Malden, on site We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role Salary: up to £57500 (DOE) Who we are: Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there’s no limit to where a career at BAE Systems could take you. Job Description: As a Senior Software Engineer for Submarine Command System (SMCS) you will play a pivotal role shaping technical direction and delivering complex software for the fleet of UK Submarines. You...
Bc
24 Feb, 2026
Senior Backend Software Engineer
Booking.com Manchester, Greater Manchester, United Kingdom
Role Description: Job Title : Senior Backend Software Engineer    About Us: At Booking.com, data drives our decisions. Technology is at our core. And innovation is everywhere. But our company is more than datasets, lines of code or A/B tests. We’re the thrill of the first night in a new place. The excitement of the next morning. The friends you encounter. The journeys you take. The sights you see. And the memories you make. Through our products, partners and people, we make it easier for everyone to experience the world.   Role Description:   Our mission at Booking.com is to create visionary, innovative, and personalised travel experiences for millions of customers all over the world. Across our offices worldwide, we continue to innovate by solving some of the most complex challenges in travel and technology, and to plan for the exciting developments that lie ahead through strategic long-term investments into what we believe the future of travel can be....
CGI
16 May, 2025
Full time
C# Senior Software Engineer (Security Clearance)
CGI Reading, ENG, United Kingdom
The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation to our clients using proven and emerging technologies, agile delivery processes and our deep expertise across the breadth of space, defence, intelligence, aerospace and maritime, all underpinned by our end-to-end cyber capability. We work collaboratively with global technology companies, cutting edge SMEs and academia to deliver the optimal solution for each client. CGI was recognised in the Sunday Times Best Places to Work List 2024 and has been named one of the ‘World’s Best Employers’ by Forbes magazine. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community...
BAE Systems
10 Jun, 2026
Senior/Principal Software Engineer
BAE Systems Rochester, UK
Job Title: Senior/Principal Software Engineer Job Location: Rochester, Kent. Onsite Salary: Up to £65.000 per annum depending on experience Who we are: Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow – shaping a safer future, for all of us. Role Description: As a Principal Software Engineer, you will lead the design and delivery of embedded software for complex, safety critical systems. You will develop drivers, protocols and human-machine interfaces. Responsible for technical direction and ensuring robust, certifiable solutions. Working across the full lifecycle, you will define architectures and solve complex engineering challenges...
Amazon
08 Jun, 2026
Senior Software Development Engineer, CloudFront Control Plane, CloudFront
Amazon London, UK
AWS Infrastructure Services owns the design, planning, delivery, and operation of all AWS global infrastructure. In other words, we’re the people who keep the cloud running. We support all AWS data centres and all of the servers, storage, networking, power, and cooling equipment that ensure our customers have continual access to the innovation they rely on. We work on the most challenging problems, with thousands of variables impacting the supply chain — and we’re looking for talented people who want to help. You’ll join a diverse team of software, hardware, and network engineers, supply chain specialists, security experts, operations managers, and other vital roles. You’ll collaborate with people across AWS to help us deliver the highest standards for safety and security while providing seemingly infinite capacity at the lowest possible cost for our customers. And you’ll experience an inclusive culture that welcomes bold ideas and empowers you to own them to completion....
Amazon
08 Jun, 2026
Senior Software Development Engineer, AWS CloudFront
Amazon London, UK
Do you enjoy watching the latest movies, television shows, or sporting events on your computer, tablet or smartphone? Do you hate waiting for your pages to load or your show to re-buffer? Do you want to contribute to that deliver a flawless experience in serving video from the edge? Good - us too. AWS Cloudfront is looking for experienced Senior Software Development Engineers to join our team in beautiful London, United Kingdom. We offer comprehensive relocation and benefit packages. At AWS Cloudfront, working on with global scale is a daily part of the job. We solve hard problems. We build reliable, scalable, low-cost that serve our ever-growing customer base. We are constantly shipping features that drive innovation in the CDN market. We deliver an elegant geo- platform to serve not only video from the edge, but a wide variety of use cases. We: - Are a fast-growing, agile and collaborative group of technologists from diverse backgrounds - Are inventors and owners,...
Amazon
08 Jun, 2026
Senior Android Software Engineer, Ring Application Services
Amazon Cambridge, UK
The Ring team is looking for a passionate and talented Senior Android Software Engineer who has experience building world-class Android mobile apps and the ability to design, build, and maintain scalable cloud-based backend systems. You will be responsible for developing mobile applications and cloud services that interact seamlessly with our devices and delight our customers. The ideal candidate is a full stack engineer who can work across mobile, back-end, and cloud infrastructure to deliver high-quality, end-to-end solutions. You will join a team that owns the most important place in the Ring - Setup experience. This is a great opportunity to shape the setup process experience for millions of users. Our goal is to provide the best possible experience to our customers, building solutions and supporting new products that help Ring on their mission to make neighborhoods safer. Key job responsibilities - Design, develop and maintain our Android mobile applications. - Develop...
Amazon
08 Jun, 2026
Senior Embedded Software Engineer, Ring
Amazon Cambridge, UK
As a Senior Embedded Software Engineer, you will be a core member of a software team developing Ring's next generation of camera-centric devices. While experience with embedded systems is valuable, we're looking for engineers passionate about building IoT products who are eager to work close to the hardware. The ideal candidate is responsive, flexible, and thrives in an open collaborative peer environment. You'll obsess over device performance—whether that's battery life, boot time, system latency, or other critical KPIs. You'll add significant new features and integrate with new hardware and software services. Key job responsibilities You will be responsible for managing your personal backlog, prioritising issues and diving deep into technical issues. A day in the life The ideal candidate: - Enjoys working side-by-side with partners, colleagues, and teams on difficult problems - Is highly effective and thrives in a dynamic environment with multiple, changing priorities - Knows...
Amazon
08 Jun, 2026
Senior Drone Software Dev Engineer, Ring Robotics Platform Engineering
Amazon Cambridge, UK
Ring is working on innovative robotics products; therefore, we are looking for skilled individuals with a strong bias for action and deep technical knowledge to join our team in Cambridge. Our team is developing a new class of product and building the software framework for high performance embedded robotics systems. As a Software Development Engineer, you will be a core member of the development team, implementing control algorithms and system software that bring robotic capabilities to life. The ideal candidate has experience in drone or robotics development, with a strong understanding of embedded and systems software and how your code runs on hardware. You should have experience with control engineering principles and their practical implementation in embedded systems. You must be responsive, flexible, and able to succeed within an open and collaborative peer environment. Key job responsibilities - Delivering high-quality C/C++ code for Ring Devices at Amazon - Specifying,...
BAE Systems
06 May, 2026
Senior Cyber Software Engineer/ Technical Lead
BAE Systems London, UK
  Location(s): UK, Europe & Africa : UK : London    BAE Systems Digital Intelligence is home to 4,500 digital, cyber and intelligence experts. We work collaboratively across 10 countries to collect, connect and understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments. Job Title: Senior Cyber Software Engineer/ Technical Lead Location: London (Southwark) These roles require 5 days/ week on site. We offer a range of flexible working arrangements – please speak to your recruiter about the options for this particular role.   Who we are Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security...
EA
17 Apr, 2026
Senior Software QA Engineer
Engineered Arts LLC Falmouth, England, United Kingdom
About Engineered Arts Engineered Arts is the leading manufacturer of full-size humanoid robots used for entertainment, education and communication. With 20 years of hardware and software development, our robots have been sold in over 30 countries worldwide with customers such as NASA, PwC, Meta and many more.  Our Ameca robot is well known as ‘the face of AI’ and a social media viral success, taking advantage of the generative AI craze. Along with our ultra-realistic Mesmer range of animated figures our robots continue to surprise and excite visitors at museums, theme parks, visitor attractions and trade shows as well as aid leading universities with AI and robotics research. Our robots are poised to break into the future mega-expansion service robot segment, with applications such as front of house, receptions, check-in desks, information points and PoS. We are a team of dedicated engineers and creatives striving to develop the very best experiences for our...
EA
17 Apr, 2026
Senior Software QA Engineer
Engineered Arts LLC London, England, United Kingdom
About Engineered Arts Engineered Arts is the leading manufacturer of full-size humanoid robots used for entertainment, education and communication. With 20 years of hardware and software development, our robots have been sold in over 30 countries worldwide with customers such as NASA, PwC, Meta and many more.  Our Ameca robot is well known as ‘the face of AI’ and a social media viral success, taking advantage of the generative AI craze. Along with our ultra-realistic Mesmer range of animated figures our robots continue to surprise and excite visitors at museums, theme parks, visitor attractions and trade shows as well as aid leading universities with AI and robotics research. Our robots are poised to break into the future mega-expansion service robot segment, with applications such as front of house, receptions, check-in desks, information points and PoS. We are a team of dedicated engineers and creatives striving to develop the very best experiences for our...
CGI
16 May, 2025
Full time
Senior Java Engineer
CGI Reading, ENG, United Kingdom
If your coding skills are backed up with a talent for solving problems, we will give you the opportunity to have real-world impact and purpose, working in one of our Central Government business units. Our Software Engineers are trusted to work closely with a wide range of clients on exciting projects with real-world critical purpose and positive impact on UK Citizens' lives. These roles are to work on a flagship Programme with one of our key UK Government clients within the Law Enforcement sector, helping to keep UK citizens safe. CGI was recognised in the Sunday Times Best Places to Work List 2024 and has been named one of the World’s Best Employers by Forbes magazine. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner, not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent, and inspiring everyone to pursue careers in our sector,...
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