Senior Software Engineer Jobs in England

426 to 450 of 724 Senior Software Engineer Jobs in England

Senior Software Engineer, Modelling: Kallikor

London, United Kingdom
Kallikor Limited
lie in cutting-edge technology and strategic innovation, originally developed for the gaming, entertainment, and defence sectors. Learn more about our mission at kallikor.ai . We are seeking a Senior Software Engineer to join our friendly, relaxed and inclusive team. You'll be developing and implementing models and simulations used in our digital twins. Our models typically … for problem-solving and a desire to work in a collaborative and supportive environment. You'll have the chance to work alongside a multidisciplinary team of scientists, modellers, and software engineers who collaborate closely with our product owners and customers to take modelling to the next level. Your Opportunity: Developing and implementing algorithms which result in plausible modelling behaviour … tested code following modern engineering practices and design patterns Create efficient, maintainable code that transforms prototype models into production-ready solutions Why you're made for this: Essential: Strong software engineering fundamentals including system architecture, design patterns, and development best practices Advanced Python programming skills with experience building complex, maintainable systems Professional software development experience with a track More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

Cambridge, Cambridgeshire, United Kingdom
Hybrid / WFH Options
Gearset Limited
engineering culture, teamwork and tight feedback loops. We're confident in our product, market potential, and we have big plans for the future. What are the opportunities for a Senior Software Engineer at Gearset? Our small engineering teams start from a few core principles but evolve over time. They all work a little bit differently, depending on … of our product and roadmap. About you A pragmatic approach to working, prioritising iteration and delivering value to customers, over process and deliberation Previous experience as a full-stack engineer, including experience working directly with customers A passion for learning and continual improvement, being comfortable giving and receiving constructive feedback to make your work even better You can read More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer, Clojure (London)

London, UK
DRW
what we do that mattersit's how we do it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus. We are seeking a Senior Software Engineer to join our Unified Platform (UP) team. UP consolidates data and technologies into a comprehensive solution, accelerating time to market. Optimizing decision-making and research … our platform simplifies implementing new ideas, enhancing our competitive edge. The UP-Trade Operations team is responsible for developing software to empower the Global Trading Operations group across a variety of specialties. This team is looking for application software developers who can help with our broad set of challenges. We work from high-level requirements where programmers are More ❯
Employment Type: Full-time
Posted:

Senior Software Engineer Virtual Worlds (London)

London, UK
SPAICE
the future of space and autonomous systems. If you're looking for a place where your work has a real, tangible impact SPAICE is that place. About the Role Software Engineer (Virtual Worlds) Traditionally, game engines were used to build experiences for human players. In this role, youll design virtual worlds where the player is not a human … but an algorithm. Specifically, a Spatial AI Agent navigating satellites or drones through complex, simulated environments. As a Software Engineer (Virtual Worlds), youll develop high-fidelity simulations to train, test, and validate navigation algorithms across different platformssupporting both single-vehicle and multi-agent autonomy. Youll work closely with Aerospace Engineers, GNC experts, and AI developers to create physically … e.g., Unreal Engine, NVIDIA Omniverse, Simulink, Gazebo) Building custom tools and SDKs to enable faster iteration for autonomy testing Interfacing simulation environments with Hardware-in-the-Loop (HIL) and Software-in-the-Loop (SIL) setups What we are looking for Senior-level experience with C++ , including development inside modern game engines Hands-on experience with Unreal Engine , ideally More ❯
Employment Type: Full-time
Posted:

Senior Software Engineer Virtual Worlds (London)

Surbiton, Greater London, UK
SPAICE
the future of space and autonomous systems. If you're looking for a place where your work has a real, tangible impact SPAICE is that place. About the Role Software Engineer (Virtual Worlds) Traditionally, game engines were used to build experiences for human players. In this role, youll design virtual worlds where the player is not a human … but an algorithm. Specifically, a Spatial AI Agent navigating satellites or drones through complex, simulated environments. As a Software Engineer (Virtual Worlds), youll develop high-fidelity simulations to train, test, and validate navigation algorithms across different platformssupporting both single-vehicle and multi-agent autonomy. Youll work closely with Aerospace Engineers, GNC experts, and AI developers to create physically … e.g., Unreal Engine, NVIDIA Omniverse, Simulink, Gazebo) Building custom tools and SDKs to enable faster iteration for autonomy testing Interfacing simulation environments with Hardware-in-the-Loop (HIL) and Software-in-the-Loop (SIL) setups What we are looking for Senior-level experience with C++ , including development inside modern game engines Hands-on experience with Unreal Engine , ideally More ❯
Employment Type: Full-time
Posted:

Senior Software Engineer - Virtual Worlds

London, United Kingdom
SPAICE
the future of space and autonomous systems. If you're looking for a place where your work has a real, tangible impact -SPAICE is that place. About the Role - Software Engineer (Virtual Worlds) Traditionally, game engines were used to build experiences for human players. In this role, you'll design virtual worlds where the player is not a … human - but an algorithm. Specifically, a Spatial AI Agent navigating satellites or drones through complex, simulated environments. As a Software Engineer (Virtual Worlds), you'll develop high-fidelity simulations to train, test, and validate navigation algorithms across different platforms-supporting both single-vehicle and multi-agent autonomy. You'll work closely with Aerospace Engineers, GNC experts, and AI … e.g., Unreal Engine, NVIDIA Omniverse, Simulink, Gazebo) Building custom tools and SDKs to enable faster iteration for autonomy testing Interfacing simulation environments with Hardware-in-the-Loop (HIL) and Software-in-the-Loop (SIL) setups What we are looking for Senior-level experience with C++ , including development inside modern game engines Hands-on experience with Unreal Engine , ideally More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer London (London)

London, UK
Hybrid / WFH Options
Liberis Limited
day approach is: giving our Engineering Teams maximum autonomy, not having them constrained by too many processes, and proactively enabling them to deliver meaningful results! The role: As a Senior Software Engineer, you will work on solving real-world problems in our small, autonomous teams. In this role, you wont just write codeyoull shape the direction of … of what a scaling, multi-product FinTech organisation can achieve! Youll be working with our modern tech stack (C# .NET, Node.js, React and GCP), across all stage of the software lifecycle! We follow a Test-Driven Development (TDD) approach to ensure our code is reliable, maintainable, and built with quality from the start. This helps us move fast without … Bonus points if you have experience of cloud technologies (we are moving to GCP); experience using highly collaborative methods such as ensemble, mob, or pair programming; experience writing financial software; or experience with Test Driven Development. N.B - there is an on-call element to this role, which Chess will outline at the screening stage Next steps If this opportunity More ❯
Employment Type: Full-time
Posted:

Senior Software Engineer (f/m/d) (London)

Wandsworth, Greater London, UK
Contentful
About the Opportunity As a Senior Software Engineer (f/m/d) focused on enterprise solutions you will be responsible for developing digital applications showcasing the use of Contentful for well-established and emerging use cases. You will be the first to see new product features and play a critical role in bringing them to the … junior engineers and peers, act as a tech lead for cross-functional projects and projects delivered by external contractors What do you need to be successful? 7+ years of software development experience and/or systems engineering experience Deep expertise in modern web technologies, particularly TypeScript, React, and Next.js Proven experience with enterprise API design including REST, GraphQL, and More ❯
Employment Type: Full-time
Posted:

Senior Software Engineer - Lasernet Platform

Nottingham, Nottinghamshire, United Kingdom
Hybrid / WFH Options
Formpipe Software AB
With over 35 years of experience, it helps organizations communicate more effectively without custom coding. Currently, we aim to modernize Lasernet into a SaaS platform. We are seeking a Senior Software Engineer to help evolve our monolithic codebase into a modular, scalable architecture. You will join a 25-person platform team responsible for development, infrastructure, testing, and … end-to-end Maintaining and improving the codebase Navigating legacy and new technologies Sharing knowledge and reviewing code with teammates Knowledge and Experience Must-haves: 5-10 years of software development experience across various domains Experience modernizing monolithic systems Strong C++ skills and Windows Desktop Development experience (Win32 is a bonus) Understanding of desktop application development Experience working in More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer, Web Cross-platform (12-month fixed term contract, renewable or B2B) (London)

London, UK
Hybrid / WFH Options
Goodnotes
Senior Software Engineer, Web Cross-platform At Goodnotes, we believe that every individual holds untapped potential waiting to be unleashed. By reimagining the way we interact with information, were merging human creativity with the breakthrough capabilities of AI. Our renewed vision and mission drive us to create the best medium for human and AI collaboration, empowering users … and frameworks like: React/Redux Expertise with TypeScript At least 5 years of related working experience, you've made mistakes and learned from it, we also welcome very senior developers who can lead complex initiatives Experience building cross-platform SDKs for shipping one or more non-trivial apps on respective app stores Expertise in cloud storage, deployment and More ❯
Employment Type: Full-time
Posted:

Senior Software Engineer 2 - Windows Cybersecurity C++

Oxford, Oxfordshire, United Kingdom
Hybrid / WFH Options
Sophos Group
Sophos X-Ops and the Counter Threat Unit (CTU). Sophos is headquartered in Oxford, U.K. More information is available at . Role Summary We're looking for a Senior Software Engineer 2 with deep expertise in Windows internals and low-level development to join our team. This high-performance software captures and analyzes malicious behavior … with engineers, researchers, and security experts to build new capabilities for our Windows agent, spanning both user-mode and kernel-mode. If you're passionate about building performant, resilient software at the OS level, this is the opportunity for you. What You Will Do Design and implement core components for our Windows agent with high concurrency and low system … tracing Collaborate with product and engineering teams to build next-generation endpoint detection capabilities Build tools to support internal workflows and contribute to automated testing Follow best practices for software quality, code reviews, and secure development Contribute to a cross-platform development effort alongside Linux and macOS teams What You Will Bring Minimum of 5 years of experience in More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer, Clojure (London)

Wandsworth, Greater London, UK
DRW
what we do that mattersit's how we do it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus. We are seeking a Senior Software Engineer to join our Unified Platform (UP) team.UP consolidates data and technologies into a comprehensive solution, accelerating time to market. Optimizing decision-making and research, our … platform simplifies implementing new ideas, enhancing our competitive edge. The UP-Trade Operations team is responsible for developing software to empower the Global Trading Operations group across a variety of specialties. This team is looking for application software developers who can help with our broad set of challenges. We work from high-level requirements where programmers are expected More ❯
Employment Type: Full-time
Posted:

Senior Software Engineer, Clojure (London)

Wandsworth, Greater London, UK
DRW Holdings, LLC
what we do that mattersit's how we do it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus. We are seeking a Senior Software Engineer to join our Unified Platform (UP) team. UP consolidates data and technologies into a comprehensive solution, accelerating time to market. Optimizing decision-making and research … our platform simplifies implementing new ideas, enhancing our competitive edge. The UP-Trade Operations team is responsible for developing software to empower the Global Trading Operations group across a variety of specialties. This team is looking for application software developers who can help with our broad set of challenges. We work from high-level requirements where programmers are More ❯
Employment Type: Full-time
Posted:

Senior Software Engineer (London)

London, UK
Growth Kitchen
Highlights: Senior/Lead Engineer, deep involvement in product (we don't have PMs), work directly with the founders of a series A food tech company, significant stock options, build and manage a world class engineering team, full-autonomy on technical roadmap, best ideas win: no politics, just build, leverage AI across all areas of the company. About … re 30 people and we're a profitable business, our engineering team still young and small. You will be joining a team of three (including you). One Junior Engineer and one incredible AI/Data Science Engineer. As our first Senior/Lead Engineer, you will be an integral part of the management team, working side … quality control (models + Mechanical Turk) AI & Gamified kitchen management Anomaly detection Direct to consumer sales Further tools/apps for quality control data collection (cameras, mystery diner, etc.) Software engineer who is strong on data engineering and integrations Architect profile: ability to define and build stable underlying architecture that scale Desire to get involved with product, drive More ❯
Employment Type: Full-time
Posted:

Senior Software Engineer (London)

London, UK
Hybrid / WFH Options
Liberis
with small businesses. Our Engineers are encouraged to collaborate and bring their ideas on project approaches, with teams empowered to have autonomy and independence in their roles. As a Senior Software Engineer, you will have the opportunity to mentor other members of the Engineering team, supporting continuous development and pushing the boundaries of what a scaling, multi … where requirements are evolving and experimentation is necessary. Bonus points for experience with cloud technologies (we are moving to GCP), collaborative methods like ensemble, mob, or pair programming, financial software development, or Test Driven Development. N.B - there is an on-call element to this role, which Chess will outline during the screening. Next steps If this opportunity seems like More ❯
Employment Type: Full-time
Posted:

Senior Software Engineer, Java, C++, Ad Engineering

Manchester, Lancashire, United Kingdom
Roku, Inc
is critical to support and grow Roku's rapidly expanding ad business. It is the mission of the Ad Engineering Team to build this platform. We are hiring a Senior Software Engineer, Advertising Platform, to be a vital part of this mission. If you bring extensive experience building complex systems, love great technology at scale, enjoy mentoring … non-technical audiences Be an evangelist for best practices across all functions - developers, QA, and infrastructure/ops Be an evangelist for platform innovation and reuse Deliver top-quality software in a timely fashion We're excited if you have 10+ years of experience building large scale and low latency distributed systems Command of Java, C++ or Go/ More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer (London)

London, UK
Hybrid / WFH Options
Lloyds Banking Group
Date: Saturday 07 June 2025 Salary Range: 78,849 - 118,274 Flexible Working Options: Flexibility in when hours are worked, Hybrid Working Job Description Summary Job Description JOB TITLE: Senior Software Engineer SALARY: 81,999 - 91,110 LOCATION(S): London HOURS: Full-time WORKING PATTERN: Our work style is hybrid, involving at least two days per week … million customers. Join us and be part of our growth journey. What youll need Technical expertise in Java, with experience from project inception to production, valuing well-tested software and feedback. Experience with Spring, Hibernate, REST APIs, JSON, Microservices, Kafka, and Postgres. Understanding of architecture and cloud-native principles. Knowledge of algorithms and data structures. Familiarity with test-driven More ❯
Employment Type: Full-time
Posted:

Senior Software Engineer (London)

London, UK
Ripple
our backs. If youre ready to see your impact and unlock incredible career growth opportunities, join us, and build real world value. THE WORK: We are looking for a Senior Software Engineer passionate about solving ambitious problems and working directly with Ripple Trading and Markets in the cross-border payments space. We are passionate about the growth … align technical design with trading objectives. Drive engineering excellence through clean code, automated testing, operational rigor, and mentorship of junior team members. WHAT YOU'LL BRING: 5+ years of software development experience in quantitative trading, with deep expertise in Java and/or Python. Proficient in Pythons data science ecosystem (Pandas, NumPy, Scikit-learn), with strong debugging and analytical … with distributed systems in fast-paced front-office environments. Experience building transactional systems with modern databases (Aurora, DynamoDB) and deploying services via Kubernetes or Nomad. Solid understanding of agile software development, automated testing, and secure, scalable architecture design. Exposure to FX and/or crypto markets; front-end experience with frameworks like React is a plus. Passion for clean More ❯
Employment Type: Full-time
Posted:

Senior Software Engineer

London, United Kingdom
Ripple
backs. If you're ready to see your impact and unlock incredible career growth opportunities, join us, and build real world value. THE WORK: We are looking for a Senior Software Engineer passionate about solving ambitious problems and working directly with Ripple Trading and Markets in the cross-border payments space. We are passionate about the growth … align technical design with trading objectives. Drive engineering excellence through clean code, automated testing, operational rigor, and mentorship of junior team members. WHAT YOU'LL BRING: 5+ years of software development experience in quantitative trading, with deep expertise in Java and/or Python. Proficient in Python's data science ecosystem (Pandas, NumPy, Scikit-learn), with strong debugging and … with distributed systems in fast-paced front-office environments. Experience building transactional systems with modern databases (Aurora, DynamoDB) and deploying services via Kubernetes or Nomad. Solid understanding of agile software development, automated testing, and secure, scalable architecture design. Exposure to FX and/or crypto markets; front-end experience with frameworks like React is a plus. Passion for clean More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Backend Software Engineer

London, United Kingdom
Hybrid / WFH Options
Fruition Group
Senior Backend Engineer London - Hybrid (1x day a week) Salary: Up to £80k DOE About Us Our client is a Insurtech Unicorn looking to expand their engineering team. With the opportunity to work on existing products which have generated millions in revenue to something new changing the landscape of the insurance world, this is the perfect opportunity for … a results driven and growth focused Senior engineer looking to start an ambitious business. The Role We're looking for a Backend Engineer with strong Python skills and experience building scalable cloud-based microservices, ideally with FastAPI. You'll work in a cross-functional team delivering reliable, performant services that power our core insurance platform. What You More ❯
Employment Type: Permanent, Work From Home
Salary: £80,000
Posted:

Senior Embedded Software Engineer

Reading, Oxfordshire, United Kingdom
Platform Recruitment
Senior Embedded Software Engineer £ 40k - 50 k Reading 1 or 2 days a week on-site My client is an elite company in their niche, providing electronics and software design services. Due to recent success, they are expanding their R&D team. Main duties: + Involvement in the whole SDLC + Interfacing software with custom More ❯
Employment Type: Permanent
Salary: GBP 40,000 - 50,000 Annual
Posted:

Senior Embedded Software Engineer

Reading, Berkshire, United Kingdom
Platform Recruitment
Senior Embedded Software Engineer | £ 40k - 50 k | Reading | 1 or 2 days a week on-site My client is an elite company in their niche, providing electronics and software design services. Due to recent success, they are expanding their R&D team. Main duties: + Involvement in the whole SDLC + Interfacing software with custom More ❯
Employment Type: Permanent
Salary: £40000 - £50000/annum
Posted:

Senior Software Engineer, Mobile Cloud

Manchester, Lancashire, United Kingdom
Roku, Inc
work," seamlessly integrating into users' lives. Achieving that intuitive user experience isn't accidental-it's crafted by dedicated teams committed to simplicity and clarity. We're seeking a Senior Software Engineer (Backend) who excels at building scalable, reliable services. Our Roku Mobile Backend team designs and implements robust backend services powering our mobile apps, ensuring optimal … productivity. Collaborate cross-functionally with product, design, frontend, and other backend teams, driving seamless integration, consistency, and exceptional user experiences. We're Excited If You Have Expertise of backend software engineering Bachelor's or master's degree in computer science, Engineering, or related field (or equivalent experience). Strong proficiency in backend languages like Java or Python. Proficiency in More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer (London)

London, UK
Faculty
About Faculty At Faculty, we transform organisational performance through safe, impactful and human-centric AI. With more than a decade of experience, we provide over 350 global customers with software, bespoke AI consultancy , and Fellows from our award-winning Fellowship programme . Our expert team brings together leaders from across government, academia and global tech giants to solve the … work with, and learn from, some of the brilliant minds who are bringing Frontier AI to the frontlines of the world. About the role We're looking for a Senior Software Engineer to join our cutting-edge product, Frontier, working within the Platform Core product squad. In this role, you'll be immersed in hands-on work … AI and machine learning, revolutionising how businesses thrive utilising Decision Intelligence. What you will be doing Collaborating with other Engineers in the team to develop and implement AI-driven software solutions. Conducting code reviews & pair programming with junior members of the team, directly impacting customer projects and outcomes. Getting the opportunity to work in diverse domains, expanding your industry More ❯
Employment Type: Full-time
Posted:

Senior Software Engineer - Platform (London)

London, UK
The Rundown AI, Inc
About Faculty At Faculty, we transform organisational performance through safe, impactful and human-centric AI. With more than a decade of experience, we provide over 350 global customers with software, bespoke AI consultancy , and Fellows from our award winning Fellowship programme . Our expert team brings together leaders from across government, academia and global tech giants to solve the … work with, and learn from, some of the brilliant minds who are bringing Frontier AI to the frontlines of the world. About the role We're looking for a Senior Software Engineer to join our cutting-edge product, Frontier, working within the Platform Core product squad. In this role, you'll be immersed in hands-on work … AI and machine learning, revolutionising how businesses thrive utilising Decision Intelligence. What you will be doing Collaborating with other Engineers in the team to develop and implement AI-driven software solutions. Conducting code reviews & pair programming with junior members of the team, directly impacting customer projects and outcomes. Getting the opportunity to work in diverse domains, expanding your industry More ❯
Employment Type: Full-time
Posted:
Senior Software Engineer
England
10th Percentile
£56,925
25th Percentile
£65,000
Median
£88,081
75th Percentile
£112,500
90th Percentile
£135,000