Senior Software Engineer Jobs in London

26 to 50 of 186 Senior Software Engineer Jobs in London

Senior Software Engineer (Python) -London

London, United Kingdom
MODE Recruitment Limited
Senior Software Engineer (Python) -London Senior Software Engineer - Python - London/Home office The company: Through the power of AI and Big Data this company have developed a number of data driven tools and platforms aimed at delivering a transparent financial solution. Focusing purely on sustainable investment! If you want the leave the planet … ethos of this company. This group has 4 arms: A Data Provider: Assessing the performance and sustainability of companies worldwide. AI: An advisory and technology company with an AI engineer for forecasting investment opportunities Asset Management: Investment management company investing in sustainable equities They focus on R&D of AI, ML, Data, Finance and sustainability. You will be based … and other teams (Specialists, Researchers, Product owners, designers etc) Have freedom to govern your own tasks and spend time on new developments and research. The candidate: Extensive experience in Software Engineering Strong experience with Python. You have a deep understanding of system design, data structures, and algorithms. Comfortable in cloud environments Test coverage is as important as the code More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer, Backend

London, United Kingdom
SevenRooms
Senior Software Engineer (Fullstack, Frontend Leaning) London, United Kingdom The Team & Role SevenRooms is hiring a remote Senior Fullstack Engineer (frontend leaning) . We're looking for a strong developer who is excited to engineer highly performant, mission-critical systems that are designed for agile development and rapid scaling. You will partner with other … includes: Python, Typescript, ReactJS, Redux, Django, App Engine, CloudFirestore, Memcache, Cloud Tasks, Firebase, BigQuery, Elasticsearch, and more What You'll Do Engineering: Design, develop, test, deploy, maintain and improve software with a strong focus on customer-facing features Product Focus: Be the technical owner of features, from design to implementation to ongoing support Project Management: Manage individual project priorities … deadlines, code quality and deliverables; Participate in occasional on-call duties to keep software systems up and running Who You Are BS degree in Computer Science, similar technical field of study or equivalent professional experience Experience with algorithms, data structures, complexity analysis and software design 4+ years of software engineering experience Experience with Python and Reactjs is More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

London, United Kingdom
Hybrid / WFH Options
Fruition Group
Senior Software Engineer London (Hybrid 1x per week) Salary: Up to £85k + benefits 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 focussed Senior engineer looking to start an ambitious business. About the role We're looking for a Senior Front End Engineer to help shape the future of our B2C products. This is an exciting opportunity to work at the heart of a cross-functional, agile, and diverse team that's More ❯
Employment Type: Permanent, Work From Home
Salary: £85,000
Posted:

Senior Software Engineer

London, United Kingdom
Hybrid / WFH Options
Pod Point, Ltd
Senior Software Engineer Department: Technology Employment Type: Full Time Location: London Reporting To: Product Engineering Manager Compensation: £70,000 - £90,000/year Description Leading the way in electric vehicle charging, we've been at the forefront of adoption in the UK since 2009. With over 250,000 charge points installed so far, out of a total … applicant should be within a reasonably commutable distance to our office (Gray's Inn Road, London, WC1X 8HB). Join the EVolution: We're searching for a seriously talented Software Engineer to join our incredible Software department within our "Grid" team. You'll be joining an established department with a mix of engineering backgrounds, and a friendly … with your agile squad via pair programming, peer code reviews, helping QA with testing, or story writing & defining tech specs with project managers and product owners. Developing and supporting software products in line with product and architecture roadmaps. Demonstrating strong, sustainable and collaborative software development practices that are focused on delivering high quality, readable, maintainable and appropriate code More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

London, United Kingdom
Faraday
Casualty (North American Specialist Lines, Financial Lines, International Casualty, UK Liability Insurance), Property (Direct, Facultative, and Treaty), Accident & Health, Agriculture, and Energy. We are offering an opportunity for a Senior Software Engineer . Context of the Role: We seek a highly skilled Senior Software Engineer with expertise in building scalable, high-performance solutions on … for the Microsoft stack. Key Responsibilities Design, develop, test, support, and deploy custom web and mobile applications based on .NET (Blazor, C#), C++. Gather customer requirements and develop related software applications. Collaborate with architects, engineers, and team members to design scalable solutions. Implement Azure Cloud Services to enhance performance and reliability. Research and evaluate new software technologies and … testing and maintenance procedures. Develop high-quality coding standards. Required Skills & Experience: University degree in Computer Science, Information Systems, or related field, or equivalent work experience. Proven experience in software development with C# in the .NET environment, including ASP.NET Core and Entity Framework Core. Experience with iterative methodologies like Scrum or Design Thinking, using Azure DevOps and Git. Experience More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

London, United Kingdom
Hybrid / WFH Options
Aquent GmbH
London - Hybrid working - 3 days on site Senior Software Engineer - XR Runtime (C#/Unity) Location: London (3 days onsite, Kings Cross) Duration: 6 months (contract) Hours: 40 hours/week Start Date: ASAP Join one of the most innovative companies shaping the future of augmented and virtual reality. We're seeking a Senior Software Engineer to support the development and optimization of immersive social experiences on a large-scale XR platform. If you're a generalist engineer with deep C#/Unity expertise and a passion for performance and reliability, this role is for you. What You'll Be Doing: Enhance the runtime stability and performance of a cutting-edge VR More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer (AI)

London, United Kingdom
Focaldata
reimagine what is possible in research. We do impactful work with amazing organisations ranging from well-known brands to life-changing non-profits. We are now looking for an Senior Software Engineer with extensive experience delivering high-quality code quickly, breaking down complex technical challenges into manageable tasks, and proactively unblocking team members to keep progress on … track. Join us! What you'll do As a Senior Software Engineer working on our agentic AI product, you will: Deliver High-Standard Code : Develop clean, efficient, and maintainable code that meets the highest standards and prioritises simplicity over cleverness. Unblock Team Members : Identify blockers in the development process, proactively assist and guide fellow team members, and … Challenges : Break down complex, high-level product requirements into smaller, manageable technical deliverables. You will manage the breakdown of epics into tasks to ensure clear progress and communication. Provide Senior-Level Insight & Pragmatism : Bring your experience and seniority to the table by making well-considered decisions that balance trade-offs. Ensure that decisions, whether technical or architectural, are clearly More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer United Kingdom

London, United Kingdom
BloomReach Inc
businesses use Bloomreach to drive higher growth and lasting loyalty. We power personalization for more than 1,400 global brands, including American Eagle, Sonepar, and Pandora. The Team The Senior Software Engineer is part of the Bloomreach Professional Services team and is seen as a consultant by our clients and partners. You're at the frontline helping … SDKs of Bloomreach's Digital Experience Platform (brXM). We are looking for someone who combines deep technical hands-on knowledge with creativity, for the position of Developer/Senior Developer. If you have a talent for building elegant solutions and if you can explain technical concepts in plain language, we want you on board! You'll be working … in one our London office or from home on a full-time basis. Responsibilities As a Senior Software Engineer in our Professional Services team, you will: Work in client-projects as a lead Bloomreach developer, projects which typically impact millions of people on a monthly basis; Assist with the integration of our products using Java and modern More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

London, United Kingdom
National Geographic
worth it. Channeling your inner grit will accelerate your growth, help us win as a team, and create unforgettable moments for our customers. The Crown Is Yours As a Senior Software Engineer, you'll be part of one of our multidisciplinary teams where you'll work closely with designers, product managers, and data analysts. You'll be … contributor to our processes and decision-making so when we build new features, we can ensure scalability and availability of the entire platform. What you'll do as a Senior Software Engineer You will be developing systems and APIs that power a rich set of applications used by a large and passionate group of users every day. … looking for a team that can pivot at a moment's notice. We're constantly growing and forming new teams; you will be able to lead either as an engineer or transition into a manager role. What you'll bring Ideally, you have 4+ years of development experience in object-oriented programming using languages such as C# or Java. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

London, United Kingdom
Hybrid / WFH Options
Ophelos
by Intrum, Europe's biggest credit management service and have begun the next phase in our growth - expansion into 17 European markets over the next two years. The Role - Senior Software Engineer (Growth) At Ophelos, we use cutting-edge AI and a customer-first approach to get people debt-free and organisations paid back. We are on … robust and scalable systems that empower clients and markets to self-onboard and enable us to support the financial health of millions of people. We are looking for a Senior Software Engineer (Growth) with a passion for scale and innovation to join our team. Your mission will be to lead the team across various Growth projects, crucial … Ruby on Rails 7, Hotwire (Turbo, Stimulus), View Components, Sidekiq, PostgreSQL, Redis, Serverless, AWS (Fargate, Aurora, ElastiCache), GitHub In this role, you'll get to: Design, implement and deliver software such as ingestion pipelines, API and a greenfield internal operations application. Align technical solutions with business goals that enable us to meet our goals Prioritise and organise the team More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

London, United Kingdom
Hybrid / WFH Options
Samsara
dashboard and mobile app give customers real-time visibility into their commercial fleet and industrial centre operations, helping them improve safety, efficiency, and sustainability. We're looking for a Senior Software Engineer to join one of our two teams: Telematics and Sustainability . Our Telematics teams are at the core of our platform, processing real-time signals … like GPS, Engine RPM, and Fuel Levels-from our IoT devices in vehicles. As a Senior Software Engineer, you'll take ownership of complex features and play a key role in developing solutions that have a tangible, real-world impact. You'll work closely with engineers across the team to define and build our next-generation technology. … residing in the United Kingdom. Relocation assistance will not be provided for this role. You should apply if: You want to impact the industries that run our world: The software, firmware, and hardware you build will result in real-world impact-helping to keep the lights on, get food into grocery stores, and most importantly, ensure workers return home More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer - Network Production Engineer

London, United Kingdom
Bloomberg L.P
Senior Software Engineer - Network Production Engineer Location London Business Area Engineering and CTO Ref # Description & Requirements Description and requirements As a Network Production Engineer, you will be a critical member of the team responsible for the full lifecycle of our global network infrastructure that supports Bloomberg's core products and services. This includes building … automates network infrastructure. You'll be trusted to design and work on tooling that builds on automation best practices and principles. We'll trust you to Develop and maintain software tools to manage a large-scale, multi-vendor network with an emphasis on automation, telemetry, and model-driven infrastructure as code. Automate the full network lifecycle-including provisioning, configuration … integrating intelligent alerting and self-remediation capabilities to reduce manual intervention and improve incident response. Define and measure service-level objectives (SLOs) to track infrastructure performance and reliability. Write software utilizing orchestration systems to automate tasks and interact with other systems. Provide mentorship to junior engineers and promote software engineering best practices throughout the team. Practice and promote More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer - Energy & Resources Analytics Platform

London, United Kingdom
Baringa Partners LLP
Senior Software Engineer- Energy & Resources Analytics Platform London, United Kingdom req2463 Posted on: 28/05/2025 - Application Deadline: - About Baringa: We aim to build the world's most trusted consulting firm, creating lasting impact for clients and pioneering a positive, people-first culture. We collaborate with a diverse range of clients from FTSE 100 companies … Our global hubs are located in Europe, the US, Asia, and Australia, working worldwide to tackle challenges and make an impact. Our Market, Advisory, and Analytics practice seeks experienced Senior Platform Software Engineers to join our team. We are leaders in modelling energy markets, providing insights to drive change in a decarbonising industry. Our work involves varied modelling … analytics outputs via GUIs, APIs, and other systems, with confidence in compliance and governance. To support our growth, we are building a dedicated global Platform team. We seek experienced software engineers to help architect, implement, and support tools fundamental to Baringa's success. This team values curiosity, problem-solving, and the flexibility to adopt suitable technologies. The next-generation More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer, Platform Engineering

London, United Kingdom
Macquarie Bank Limited
Senior Software Engineer, Platform Engineering Join our Quant Strat Platform team within Commodities and Global Markets to engineer scalable solutions for our global trading desks. Our team applies specialist methods from mathematics, science, and engineering to generate revenue. We focus on data, models, and algorithms for derivative valuation, risk management, automated trading, and data-driven decision … years of unbroken profitability. You'll be part of a friendly and supportive team where everyone contributes ideas and drives outcomes. What role will you play? As a Software Engineer in our team, you'll collaborate with a diverse group of technologists who are always seeking the best tools to tackle each challenge, whether that means embracing new … technologies or revisiting familiar ones. You will deliver solutions for large-scale software and data engineering challenges. Working closely with business teams, you will have the autonomy to innovate and build solutions from scratch, bringing your ideas to life. With full ownership of your projects from conception to deployment, you'll see the direct impact of your work on More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

City of London, London, United Kingdom
Fruition Group
Senior Software Engineer Full Stack - AI Health Tech London, 2 days a week on site Up to £110,000 + Equity Looking to work on something meaningful? I'm currently helping a mission-led health tech start-up who are using AI to remove admin overload, freeing up doctors and clinicians to do what they do best … They're tackling complex, data-heavy workflows with intelligent automation. The result? Faster decisions. Better care. Less burnout. And millions of lives already improved. They're looking for a Senior Full Stack Engineer to join our founding tech team and help scale the impact even further. What You'll Be Doing Take real ownership across the full development More ❯
Employment Type: Permanent
Posted:

Sr Software Engineer - Python /FastAPI

London, United Kingdom
Oman Shell
Sr Software Engineer - Python/FastAPI page is loaded Sr Software Engineer - Python/FastAPI Apply locations London - Shell Centre time type Full time posted on Posted Yesterday job requisition id R172555 , United Kingdom Job Family Group: Information Technology (IT) Worker Type: Regular Posting Start Date: July 31, 2025 Business unit: Projects and Technology Experience Level … Analysis. We develop complex data products grounded in the fundamentals of the oil market, providing innovative and often industry-first insights that support our commodities trading business. As a Senior Software Engineer with proven experience in offering technical and process guidance, as well as mentoring the team for long-term success, you'll be challenged to think … multiple global products Knowledge of other Cloud (Azure etc) is highly desirable Knowledge of containers and functions is highly desirable Demonstrated application of the best patterns & practices in the software development life cycle Experience working in agile teams with demonstrated application of the principles, including facilitation of the planning process What we offer You bring your skills and experience More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

London, United Kingdom
Hybrid / WFH Options
Policy Expert
Policy Expert - Senior Software Engineer Are you ready to transform the insurance industry? Policy Expert is a forward-thinking business that loves to get things done. Leveraging proprietary technology and smart data, we offer reliable products and a wow customer experience. Having achieved rapid growth since being founded in 2011, we've won over 1.5 million customers … using API Gateway and Lambdas. Event-driven architecture using SNS/SQS. Storage with Postgres, DynamoDB and S3. Orchestration with CloudFormation and GitHub Actions. Who are you: As a Senior Engineer in the Home Acquisition team, you'll own and evolve our backend systems to ensure they are high-performing, scalable, reliable and maintainable. Great at working in More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer - Apple Platforms (iOS and tvOS)

London, United Kingdom
Hybrid / WFH Options
Disney Cruise Line - The Walt Disney Company
Senior Software Engineer - iOS and tvOS About the Role & Team On any given day at Disney Entertainment and ESPN Product & Technology, we're reimagining ways to create magical viewing experiences for the world's most beloved stories while also transforming Disney's media business for the future. Whether that's evolving our streaming and digital products in … DEEP&T Technology's worldwide content production and distribution platforms. In doing so, they contribute to a series of cross-functional services and technologies, including Quality Assurance, Data Analytics, Software Development, Broadcast Infrastructure, and Networking & Security. The Apple team responsible for building Hulu is seeking an experienced Software Engineer with a passion for mobile applications to join … continuously analyze data to improve our Apps, our processes, and how we work together. Why You want to work with us: Nurture a highly collaborative, world-class team of software engineers. Work on a cutting-edge and evolving technology stack. Own substantial features shipped to millions of users. Influence the innovation of high-profile products in the media streaming More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer - Risk and Performance Platform

London, United Kingdom
Avature
Senior Software Engineer - Risk and Performance Platform Location London Business Area Engineering and CTO Ref # Description & Requirements The Front Office (FO) group within Risk and Performance Platform is a key client-facing group within the Risk ecosystem. We deliver advanced risk analytics and tools to institutional clients-including hedge funds and global banks-to help them … impact of market dynamics such as interest rates, volatility, and currency movements. Our tools support detailed profit and loss (P&L) analysis, scenario modelling, and performance attribution. As a Software Engineer in the Risk Front Office group, you will play a central role in designing and building high-performance, scalable systems that deliver real-time and scenario-based More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer (Content Delivery Network)

London, United Kingdom
Hybrid / WFH Options
Warner Media, LLC
people all over the world in a wide variety of disciplines. We're always on the lookout for energetic, creative people to join our team. Your New Role The Senior Software Engineer work s with our Global Content Delivery teams to deliver exabytes of content for our brands globally. The S enior Software Engineer has … of our entire stack, contributing to the global control plane, to working on new revisions of hardware to deployed to the field. This team works the full stack from software, networking, operating system, to the hardware and network gear level. Design, write and deliver software and infrastructure to improve the reliability, scalability, latency, and efficiency of our services. … all non-exceptional service conditions. Influence and create new designs, architectures, standards, and methods for large-scale distributed systems. Engage in service capacity planning, service integration and geo-expansion, software performance analysis and system tuning. Candidate must be solutions-oriented oriented using rigorous logic and methods to solve difficult problems with effective solutions, probing all sources for answers. Conduct More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer - Python & AWS (Remote) Remote, UK

London, United Kingdom
Hybrid / WFH Options
Quantum Base Limited
the right to work in the UK. This is a remote role, with occasional (eg: once every three weeks) visits to either our London or Lancaster offices. While our software team is largely remote, you are welcome to work more regularly, or even full-time, in office if preferred. About the Role We are looking for an excellent software engineer to work on multiple projects across our tech stack, supporting our product which is mobile based. You will need to have strong fundamental engineering skills and be happy working across a wide range of applications. As a Senior Engineer, you will be responsible for our AWS, Web and Desktop tech stack. This includes: Our AWS … Lambda ) Various scripts and algorithms (Python) Our Microsoft Desktop App (Python) Our ASP.Net web app (.Net, C#, JS, Azure) You will interact heavily with our wider team of mobile software engineers, physicists and mathematicians who manage our mobile stack, mobile SDK and authentication algorithms. You'll play a key role in designing, developing, and maintaining high-quality code, infrastructure More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

(Senior) Software Engineer C# & .NET d/f/m

London, United Kingdom
RWE Gruppe
Senior) Software Engineer C# & .NET d/f/m London, City of London, GB, EC2R 8HP RWE Supply & Trading GmbH To start as soon as possible, full time/part time, permanent Functional area: IT/Digital Remuneration: tariff/non-tariff Department Insights It's an exciting time to join us! RWE Supply & Trading has … recently introduced a new cloud based data analytics platform and as part of a new and expanding team we are looking for an experienced Software Engineer to play key role in expanding our platform capability. Using the latest tech, the Lead in Data (LiD) platform has revolutionised the searching, sharing, transforming and on-boarding of Data within our More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer, ML Ops

London, United Kingdom
Hybrid / WFH Options
Merantix
Job Requisition ID # 25WD89522 Position Overview The work we do at Autodesk touches nearly every person on the planet. By creating software tools for making buildings, machines, and even the latest movies, we influence and empower some of the most creative people in the world. As a Senior Software Engineer at Autodesk Research, you will … by-side with world-class researchers and engineers to build new ML-powered product features to help our customers imagine, design, and make a better world. You are a software engineer who is passionate about solving problems and building things. You are excited to collaborate with researchers and engineers to bring the ML models they develop into Autodesk … escalating issues when necessary and effectively presenting results and insights to stakeholders and leadership. Minimum Qualifications BSc or MSc in Computer Science, or equivalent industry experience. 3+ years of software development experience. Experience with cloud services and architectures (e.g., AWS, Azure). Experience with version control, reproducibility, and CI/CD pipelines for deploying machine learning models. Excellent written More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer (Networks & Infrastructure) - Financial Org

London, United Kingdom
Hamilton Barnes Associates Limited
work alongside the most talented engineers in the world? We are working with the pioneers of High Frequency Trading and Ultra-Low Latency Infrastructure, we're seeing a rockstar Software Engineer with a focus on networks and systems to join their dynamic team of global expert engineers and play a key role in optimising and maintaining one of … the most robust Infrastructures in the world. They are now seeking a Senior Software Engineer to join their passionate team. If you would like to learn more about this opportunity, we encourage you to apply today! Responsibilities: Develop and maintain ultra-fast trading infrastructure Build low level software that sits close to network stack Analyse data … Configure network autonomously and automate manual processes Maintain systems Skills/Must have: 5+ years experience with Python and Go Expert Linux skills In-depth experience with low-level software and system stacks on a global scale Big Data Network architecture and routing experience Rust (nice to have) Salary & Benefits: Up to £500,000 Discretionary bonus Location: City of More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

City of London, London, United Kingdom
La Fosse
Senior Software Developer (C#, .NET, AWS) Hybrid (2x in London Office) | £70,000–£80,000 + Bonus + Clothing Allowance Our client is a direct-to-consumer fashion brand with a strong presence across the UK, US, and Europe. With the majority of sales coming through e-commerce, technology is central to how they operate and grow. As … they scale their digital platform and modernise their cloud infrastructure, they’re looking for a Senior Software Developer to join their fast-paced engineering team. This is a great opportunity to work on mission-critical systems that support millions of customers globally, while contributing to the evolution of a beloved brand’s technology stack. What You’ll Do … Full-Stack Cloud Development: Design, build, and maintain scalable cloud-native services and applications using AWS and .NET technologies. Own the Full Lifecycle: Take ownership of software delivery from ideation and design to development, deployment, and ongoing maintenance. Set the Standard: Help define and implement internal standards, libraries, and templates to promote consistency and speed across the engineering team. More ❯
Posted:
Senior Software Engineer
London
10th Percentile
£72,500
25th Percentile
£85,000
Median
£107,500
75th Percentile
£124,875
90th Percentile
£135,000