CrawlJobs Logo
Briefcase Icon
Category Icon

Senior Software Engineer - Systems United Kingdom Jobs

157 Job Offers

Filters
New
Senior Software Engineer
Save Icon
Location Icon
Location
United Kingdom , London
Salary Icon
Salary
Not provided
collinsongroup.com Logo
Collinson
Expiration Date
Until further notice
New
Senior Software Engineer, Subscriptions
Save Icon
Senior Software Engineer, Subscriptions – Manchester, UK. Join Roku, the #1 TV streaming platform, to develop core features for the Roku OS using C++, Embedded Linux, and ReactJS. You will design and ship high-quality software, write tests, and collaborate cross-functionally. Enjoy global wellnes...
Location Icon
Location
United Kingdom , Manchester
Salary Icon
Salary
Not provided
roku.com Logo
Roku
Expiration Date
Until further notice
New
Senior Software Engineer
Save Icon
Location Icon
Location
United Kingdom , London
Salary Icon
Salary
80000.00 - 95000.00 GBP / Year
weareorbis.com Logo
Orbis Consultants
Expiration Date
Until further notice
New
Senior Software Engineer
Save Icon
Location Icon
Location
United Kingdom , London
Salary Icon
Salary
150000.00 - 160000.00 GBP / Year
weareorbis.com Logo
Orbis Consultants
Expiration Date
Until further notice
New
Senior Software Engineer
Save Icon
Location Icon
Location
United Kingdom , London
Salary Icon
Salary
Not provided
optimizely.com Logo
Optimizely
Expiration Date
Until further notice
New
Senior Software Engineer, Ad Auctions
Save Icon
Location Icon
Location
United Kingdom , Cambridge
Salary Icon
Salary
Not provided
roku.com Logo
Roku
Expiration Date
Until further notice
Senior Software Engineer
Save Icon
Senior Software Engineer sought for a fully remote UK role with a cloud-native leader in child safety technology. You will design and build high-performance backend services using Golang and GCP, alongside frontend work with TypeScript and React. Key requirements include microservices, SQL, CI/CD...
Location Icon
Location
United Kingdom
Salary Icon
Salary
75000.00 - 85000.00 GBP / Year
pg-rec.com Logo
Premier Group
Expiration Date
Until further notice
Senior Software Engineer
Save Icon
Senior Software Engineer (C++ / Algorithms) sought to build a high-performance visualization engine in the UK. This role demands strong C++ skills, deep computer science fundamentals, and a passion for solving complex algorithmic and graphical problems. Join a culture of technical excellence, foc...
Location Icon
Location
United Kingdom
Salary Icon
Salary
200000.00 GBP / Year
oho.co.uk Logo
Oho Group Ltd
Expiration Date
Until further notice
Senior Software Engineer
Save Icon
Join Microsoft’s MORSE team as a Senior Software Engineer in the UK, securing Windows, Azure, and virtualization technologies for over a billion users. You’ll perform security design reviews, code reviews, and vulnerability research, building mitigations and scalable bug detection systems. Requir...
Location Icon
Location
United Kingdom , Multiple Locations
Salary Icon
Salary
Not provided
https://www.microsoft.com/ Logo
Microsoft Corporation
Expiration Date
Until further notice
Full-Stack Senior Software Engineer, GenAI Data Products and Platform (VP)
Save Icon
Join Citi as a VP Full-Stack Senior Software Engineer to build 'Citi Assist', a GenAI assistant for global employees. You’ll own end-to-end features using Python, TypeScript, and React, working with data pipelines and cloud infrastructure (OpenShift/Kubernetes). Based in London, this role offers ...
Location Icon
Location
United Kingdom , London
Salary Icon
Salary
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Senior Software Engineer (Kotlin)
Save Icon
Senior Software Engineer (Kotlin) sought by hyperexponential, a high-growth AI startup backed by a16z. Build scalable, cloud-native data systems on AWS using Terraform and Kotlin. You will design distributed analytics infrastructure and deliver customer-facing features for a $7 trillion insurance...
Location Icon
Location
United Kingdom , London
Salary Icon
Salary
Not provided
hyperexponential.com Logo
hyperexponential
Expiration Date
Until further notice
Senior Software Engineer
Save Icon
Senior Software Engineer sought by a London health-tech scale-up to scale a platform used by 100k+ customers. You’ll own problems end-to-end, working across Python backend, React/TypeScript frontend, and AWS infrastructure. Ideal candidates have 5+ years experience, actively use AI in their workf...
Location Icon
Location
United Kingdom , London
Salary Icon
Salary
100000.00 GBP / Year
weareorbis.com Logo
Orbis Consultants
Expiration Date
Until further notice
Senior Software Engineer
Save Icon
Join a greenfield AI startup in London redefining innovation discovery and protection. As a Senior Software Engineer, you’ll build production systems from scratch using Java, TypeScript, or Python, integrate with LLMs, and collaborate directly with founders. No legacy code or bureaucracy—just fas...
Location Icon
Location
United Kingdom , London
Salary Icon
Salary
120000.00 - 150000.00 GBP / Year
linuxrecruit.co.uk Logo
Linux Recruit
Expiration Date
Until further notice
Senior Software Engineer - Margin Technology - Assistant Vice President
Save Icon
Senior Software Engineer (AVP) sought for Citi’s Margin Technology team in London. You will build high-impact financial systems using Java, React, and Python, with expertise in RESTful APIs, Spring, and TDD. Ideal candidates have investment banking experience and knowledge of AWS, Kafka, or Kuber...
Location Icon
Location
United Kingdom , London
Salary Icon
Salary
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Senior Software Engineer - Margin Technology
Save Icon
Senior Software Engineer - Margin Technology at Citi in Belfast. Build high-impact financial systems using Java, React, and Python, with RESTful APIs and TDD. Join a global team solving complex problems at massive scale. Enjoy 27 days leave, bonus, private medical, and hybrid work.
Location Icon
Location
United Kingdom , Belfast
Salary Icon
Salary
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Senior Embedded Software Engineer
Save Icon
Senior Embedded Software Engineer sought to architect next-gen motion control systems for robotics and industrial automation. This role demands strong C/C++, ARM, and RTOS/bare metal expertise to optimize real-time algorithms. Based in Gloucestershire, you'll join a global R&D team solving comple...
Location Icon
Location
United Kingdom , Gloucestershire
Salary Icon
Salary
Not provided
t2mresourcing.com Logo
T2M Resourcing
Expiration Date
Until further notice
Senior Software Development Engineer
Save Icon
AMD seeks a Senior Software Development Engineer in Cambridge, UK to design Linux network device drivers for 800G+ SmartNIC adapters. You will write high-quality C code, lead complex driver development, and submit changes to the upstream Linux kernel. Requires 5+ years of experience, proven Linux...
Location Icon
Location
United Kingdom , Cambridge
Salary Icon
Salary
Not provided
amd.com Logo
AMD
Expiration Date
Until further notice
Senior Software Engineer
Save Icon
Senior Software Engineer sought to design and deliver scalable micro frontend architectures using React, TypeScript, and NestJS. This UK-based role focuses on building high-performing, secure applications with a DevSecOps mindset. You will mentor engineers, drive CI/CD improvements, and shape tec...
Location Icon
Location
United Kingdom
Salary Icon
Salary
Not provided
admiralgroup.co.uk Logo
Admiral Group Plc
Expiration Date
Until further notice
Senior Software Engineer
Save Icon
Senior Software Engineer sought in Belfast to build high-quality, scalable applications impacting global users. You will drive technical decisions, mentor junior developers, and apply best practices in security and performance. Ideal for experienced engineers proficient in full-stack development,...
Location Icon
Location
United Kingdom , Belfast
Salary Icon
Salary
Not provided
kainos.com Logo
Kainos
Expiration Date
Until further notice
Senior Software Engineer - Cloud Infrastructure & Observability
Save Icon
Senior Software Engineer sought to architect Roku’s next-gen observability platform in Cambridge, UK. You will lead multi-cloud infrastructure, scaling metrics, logs, and traces across thousands of services. Requires deep Golang, Kubernetes, and Prometheus expertise, plus experience with Istio an...
Location Icon
Location
United Kingdom , Cambridge
Salary Icon
Salary
Not provided
roku.com Logo
Roku
Expiration Date
Until further notice
Previous 1 2 3 4 5 6 ... 8 Next

About the Senior Software Engineer - Systems role

Explore Senior Software Engineer - Systems jobs and discover a pivotal role at the intersection of software development and core infrastructure. Professionals in these positions are the architects and builders of the foundational platforms, services, and frameworks that power large-scale, reliable, and performant applications. Unlike roles focused solely on end-user features, Senior Software Engineers in Systems delve into the underlying engine, optimizing for scalability, resilience, and efficiency to support millions of users and complex data flows.

Typically, individuals in this profession are responsible for designing, developing, and maintaining critical system-level software. This includes creating distributed systems, high-throughput data pipelines, low-latency services, and robust platform infrastructure. Common responsibilities involve architecting scalable solutions, conducting deep-dive performance analysis and debugging across the entire software stack, establishing engineering best practices and standards, and providing technical leadership and mentorship to other engineers. They own the full lifecycle of system components, from conceptual design and implementation to deployment, monitoring, and iterative improvement.

The role demands a unique blend of deep technical expertise and strategic vision. Typical skills and requirements include extensive experience with systems programming languages such as C++, Go, Java, or Rust, and a profound understanding of computer science fundamentals like data structures, algorithms, operating systems, and networking. Expertise in distributed systems concepts—including consensus, consistency, and fault tolerance—is paramount. These engineers are proficient in profiling and debugging complex systems, often needing to trace issues from high-level application logic down to native code or kernel interactions. A performance-first mindset, experience with cloud-native technologies and containerization, and a strong grasp of CI/CD pipelines and observability tools are standard expectations. Leadership skills are crucial, as these senior professionals champion technical excellence, drive architectural decisions, and elevate the entire engineering organization through mentorship and the establishment of a culture focused on robustness and scalability.

For those seeking to solve the most challenging engineering problems and build the bedrock upon which digital experiences stand, exploring Senior Software Engineer - Systems jobs offers a career path defined by high impact, continuous learning, and shaping the technological future of an organization.

Filters

×
Countries
Category
Location
Work Mode
Salary