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123 senior software engineer jobs found

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AMAZON UK-1
17 Apr, 2026
Senior Software Engineer , Ring
AMAZON UK-1 Cambridge, UK
As a Senior 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 what is...
AMAZON UK-1
17 Apr, 2026
Senior Software Engineer, Ring
AMAZON UK-1 Cambridge, UK
As a Senior 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. In this role, you will lead the design of features and initiatives across the organization. Your main focus will be on firmware development of platform components for upcoming Ring battery-powered devices, on Linux and/or RTOS based SOCs....
AMAZON UK-1
17 Apr, 2026
Senior Software Engineer, Ring
AMAZON UK-1 Cambridge, UK
As a Senior 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 complex problems - Is highly effective and thrives in a dynamic environment with multiple, changing priorities - Knows what is...
AMAZON UK-1
17 Apr, 2026
Senior Software Engineer , Ring
AMAZON UK-1 Cambridge, UK
As a Senior 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 challenging problems - Is highly effective and thrives in a dynamic environment with multiple, changing priorities - Knows what is...
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
16 Apr, 2026
Senior Software Engineer – Teamcenter
BAE Systems Warton, Carnforth, UK
Job Title: Senior Software Engineer – Teamcenter Location: Warton- Hybrid, 2 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: £49,400+ (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: You’ll join a specialist Engineering Systems competency centre, supporting a major digital engineering transformation across BAE Systems. Working with Siemens...
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,...
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
20 Apr, 2026
Senior Software Test Engineer
BAE Systems Cowes, UK
Job Title: Senior Software Test Engineer Location: Isle of Wight – Cowes – Full time onsite Salary: Up to £66,300 (dependent on skills and experience) Part time & accruing hours available’ Please let us know if you would like to discuss these options. 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. Role description: As a Senior Software Test Engineer, you will play a key role in delivering high‑quality software within BAE Systems Maritime Services. Working under limited technical...
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...
BAE Systems
16 Apr, 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 through...
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,...
AMAZON UK-1
17 Apr, 2026
HV/MV Senior Elec Design Eng, HVDE Design Engineering EMEA
AMAZON UK-1 London, UK
Elevate Power Infrastructure at the Forefront of Global Technology We're seeking an innovative electrical design engineer to revolutionize critical infrastructure that powers global technological advancement. You'll be instrumental in designing electrical systems that support Amazon's mission of transforming how the world connects, computes, and innovates. AIS AWS Infrastructure Services (AIS) 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 centers 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...
AMAZON UK-1
17 Apr, 2026
Ground Terminal Technical Ops Engineer, Amazon Leo Ground Systems
AMAZON UK-1 London, UK
Amazon Leo is Amazon’s low Earth orbit satellite network. Our mission is to deliver fast, reliable internet connectivity to customers beyond the reach of existing networks. From individual households to schools, hospitals, businesses, and government agencies, Amazon Leo will serve people and organizations operating in locations without reliable connectivity. Have you ever wanted to become involved in the global rollout of satellite earth stations for a high-performance satellite constellation? We are looking for a Satellite Ground Technical Operations Engineer to join Amazon Leo's ground gateway terminal operations team. You will lead efforts to ensure high performance ground gateways are able to continuously serve our broadband customers by investigating faults and anomalies, both remotely and on-site at our gateway terminals. You will collaborate with other subject matter experts to develop the tools and procedures necessary to support this global endeavor. This position may...
AMAZON UK-1
17 Apr, 2026
Senior Systems Engineer
AMAZON UK-1 London, UK
Would you like to help implement innovative cloud computing solutions and solve the most complex technical problems? Are you excited by the prospect of building and running the world's largest cloud computing infrastructure to provide a better world for future generations? Amazon Web Services (AWS) builds and operates some of the largest internet infrastructure on the planet; providing companies of all sizes with an infrastructure web services platform in the cloud. With AWS, customers provision compute power, storage, database, and other cloud resources as their business demands them. To meet the growing demand for AWS Services around the globe, we need exceptionally motivated people who are driven by learning and innovation. AWS Utility Computing (UC) provides product innovations — from foundational services such as Amazon’s Simple Storage Service (S3) and Amazon Elastic Compute Cloud (EC2), to consistently released new product innovations that continue to set AWS’s services...
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