176 to 200 of 411 Senior Software Engineer Jobs in London

inspired, connected, developed and rewarded here. Everything that makes you unique is welcome; join us and be your best self! We are seeking a Senior Software Engineer to join our team! Your Impact: Software Development: Design, implement, and maintain scalable, maintainable, and efficient Python-based applications … Apache Spark , Databricks , Apache Pulsar , Apache Airflow , Temporal , and Apache Flink , sharing knowledge and suggesting improvements. Documentation: Contribute to clear and concise documentation for software, processes, and systems to ensure team alignment and knowledge sharing. Your Qualifications: Experience: Professional experience in Python development or related software engineering roles. … Design: Strong knowledge of RESTful API design and implementation; knowledge of GraphQL is a plus. Security Best Practices: Awareness of security best practices in software development. Team Collaboration: Strong communication skills and the ability to collaborate effectively with cross-functional teams. Cloud Services: Experience with cloud platforms like AWS More ❯

rewarding experiences a career can offer. If that sounds exciting to you, you're in the right place. The role We're looking for senior software engineers to join our Web App engineering team. You'll have the opportunity to lead implementations across our entire product stack, with … phase of the development cycle, from planning and architecting, to implementation and testing, to code review and maintenance. Requirements 4+ years experience as a software engineer Ability to make senior level contributions writing in TypeScript React PostgreSQL Bonus points for experience in high velocity and technically challenging … is rapidly growing - creating high impact engineering opportunities that come with a lot of variety. It's also a great place to be an engineer - we have technical co-founders who know first hand the importance of creating space and focus for engineering teams to do their best work. More ❯

Embedded Linux Senior Software Engineer - Optimisation Home based - Worldwide Work across the full Linux stack from kernel through GUI to optimise Ubuntu, the world's most widely used Linux desktop and server, for the latest silicon. The role is a fast-paced, problem-solving role that's … role What your day will look like Design and implement the best Ubuntu integration for the latest IoT and server-class hardware platforms and software stacks Work with partners to deliver a delightful, optimised, first-class Ubuntu experience on their platforms Take a holistic approach to the Ubuntu experience More ❯

as Lua London and Ladies Who Code and speak at events like Digital Shoreditch and LNUG. The Role We’re looking for a Permanent Senior Software Engineer to join our digital product delivery function. Red Badger builds high-quality digital products using a lean delivery process and … will lead by example; getting your hands dirty in the code, inspiring your peers & educating our clients. You are passionate about the craft of software development and contribute to technical and non-technical discussions that help shape the direction of digital product delivery. You are able to work independently … as well as collaboratively, on user stories within an agile delivery environment and are versed in modern software delivery practices. You care about creating quality software that meets the needs of our client’s vision and goals, in a thoughtfully pragmatic way. As well as contributing to production More ❯

as Lua London and Ladies Who Code and speak at events like Digital Shoreditch and LNUG. The Role We’re looking for a Permanent Senior Software Engineer to join our digital product delivery function. Red Badger builds high-quality digital products using a lean delivery process and … will lead by example; getting your hands dirty in the code, inspiring your peers & educating our clients. You are passionate about the craft of software development and contribute to technical and non-technical discussions that help shape the direction of digital product delivery. You are able to work independently … as well as collaboratively, on user stories within an agile delivery environment and are versed in modern software delivery practices. You care about creating quality software that meets the needs of our client’s vision and goals, in a thoughtfully pragmatic way. As well as contributing to production More ❯

Senior Software Engineer - RISC-V at Trilitech, powered by Tezos Our Team At Trilitech, our mission is to power the Web3 revolution by building cutting-edge solutions on the Tezos blockchain. We specialise in core development, application development, and business development across three key areas: Culture, Decentralised … You will have a huge impact on shaping the platform and guiding important design decisions. What you'll need Strong hands-on experience in software engineering Experience with modern idiomatic Rust or a strong desire to learn it Strong Computer Science fundamentals (e.g. algorithms, data structures and concurrency) Familiarity … contexts Being comfortable or having worked on/with language runtimes, compilers or interpreters Experience in systems programming or embedded systems or performance-critical software Be able to think through large engineering problems and break them down into digestible problems Communicate clearly in deep technical contexts verbally but also More ❯

the fastest-growing company in the space, doubling our revenue every 3 months. We have a world-class team and product competing against legacy software that hasn't innovated in decades. The only thing that can stop us now is the team we cultivate, so we're looking for … built a RAG-based AI platform that's revolutionizing how people create presentations, but our success is outpacing our infrastructure. We need a talented senior engineer who can: Build and optimize systems to handle significant scale Implement pragmatic technical solutions that balance speed and quality Contribute to both … to do it. You have a high quality bar for your work. As we scale our teams and customer base, the expectations of our software rises with it. You're looking for teammates, not coworkers - folks you can lean on to help make your goals possible while at SlideSpeak More ❯

the fastest-growing company in the space, doubling our revenue every 3 months. We have a world-class team and product competing against legacy software that hasn't innovated in decades. The only thing that can stop us now is the team we cultivate, so we're looking for … built a RAG-based AI platform that's revolutionizing how people create presentations, but our success is outpacing our infrastructure. We need a talented senior engineer who can: Build and optimize systems to handle significant scale Implement pragmatic technical solutions that balance speed and quality Contribute to both … to do it. You have a high quality bar for your work. As we scale our teams and customer base, the expectations of our software rises with it. You're looking for teammates, not coworkers - folks you can lean on to help make your goals possible while at SlideSpeak More ❯

Join us as a Senior Software Engineer for CIAM at Barclays, where you will bring to life a new digital platform capability, transforming and modernising our digital estate to build a market-leading digital offering with customer experience at its heart. This is an exciting and key … collaborative team culture is at the heart of what we do. To be successful in this role you should have: Strong hands-on IAM engineer background with broad expertise across the IAM domain, including tooling, products, protocols, taxonomy, identity management, authentication, authorization and identity federation. Expertise with single sign … as job-specific technical skills. This role will be based out of our London office. Purpose of the role To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues. Accountabilities Development and delivery of high-quality software More ❯

Description We are looking for a Senior Software Engineer - Front-End Development & Data Engineering to join us on a permanent basis. We need talented individuals to apply their expertise in front-end development and a strong understanding of data engineering principles for solving data challenges to support … end development solutions that support multiple data flows to connect operational systems, data for analytics and business intelligence (BI) systems Build, Maintain and Operate software environments associated with data-streaming systems Debug, resolve and optimise data processing and analytics issues Being proactive in evaluating and developing tools and technologies … driven applications. Experience working with ETL platforms Experience with Python and its numerical, data and machine learning libraries Experience of working in an agile software development environment Experience estimating task effort and identifying dependencies Excellent communication skills Experience with cloud platforms (e.g., AWS, Azure, OCI) and their data engineering More ❯

users as part of our team and we work to connect with them on a human level, understanding their world, so we can deliver software that they love to use. Job Summary As a Senior Software Engineer, you will be assuming a key role within our … agile environment to design, develop, and deploy high-quality microservices and scalable solutions using Spring Boot, Java, SQL/NoSQL, and cloud technologies. Champion software engineering best practices, ensure adherence to quality standards, and maintain engineering effectiveness through mentoring, technical reviews, and constructive feedback. Lead efforts in designing and More ❯

About the Role: We are seeking a highly experienced and versatile Senior Software Engineer with deep expertise across quantitative development, infrastructure engineering, and full-stack development , to join and lead a high-performance team. The ideal candidate thrives at the intersection of finance and technology, has led … and infrastructure teams to deliver performant solutions. Maintain and optimize trading infrastructure (low-latency systems, data pipelines, monitoring, etc.). Manage a team of software engineers, mentor junior developers, and drive best practices across the stack. Ensure high code quality through code reviews, CI/CD, test automation, and … Work with data at scale (market data ingestion, real-time analytics, historical storage). Required Skills & Experience: Core Engineering: 5+ years of experience in software development, with exposure to both backend and frontend stacks. Strong programming proficiency in Python , C++ , and Java (Quant/Trading grade codebases). Expertise More ❯

About the Role: We are seeking a highly experienced and versatile Senior Software Engineer with deep expertise across quantitative development, infrastructure engineering, and full-stack development , to join and lead a high-performance team. The ideal candidate thrives at the intersection of finance and technology, has led … and infrastructure teams to deliver performant solutions. Maintain and optimize trading infrastructure (low-latency systems, data pipelines, monitoring, etc.). Manage a team of software engineers, mentor junior developers, and drive best practices across the stack. Ensure high code quality through code reviews, CI/CD, test automation, and … Work with data at scale (market data ingestion, real-time analytics, historical storage). Required Skills & Experience: Core Engineering: 5+ years of experience in software development, with exposure to both backend and frontend stacks. Strong programming proficiency in Python , C++ , and Java (Quant/Trading grade codebases). Expertise More ❯

Senior Software Engineer, Site Reliability Engineering, Google Cloud corporate_fare Google place London, UK Apply Minimum Qualifications: Bachelor's degree in Computer Science, a related field, or equivalent practical experience. 5 years of experience with software development in one or more programming languages. 5 years of … to automate routine tasks. Systematic problem-solving approach, coupled with effective verbal and written communication skills. About the Job Site Reliability Engineering (SRE) combines software and systems engineering to build and run large-scale, massively distributed, fault-tolerant systems. SRE ensures that Google Cloud's services-both our internally … needs and a fast rate of improvement. Additionally, SREs will keep an ever-watchful eye on our systems capacity and performance. Much of our software development focuses on optimizing existing systems, building infrastructure and eliminating work through automation. On the SRE team, you'll have the opportunity to manage More ❯

research. We do impactful work with amazing organisations ranging from well-known brands to life-changing non-profits. We are now looking for a Senior Software Engineer with extensive experience delivering high-quality code quickly, breaking down complex technical challenges into manageable tasks, and proactively unblocking team … team and while we have specific needs, there will also be times when you'll need to contribute to a wide range of different software engineering work. Who you are 5+ years of software engineering experience (3+ years with Python) Experience building and maintaining complex web-based systems … Strong DevOps experience including CI/CD pipelines, container orchestration, and cloud infrastructure (we use GCP, Kubernetes, Terraform) Solid understanding of software design patterns, architecture principles, and best practices Experience working with LLMs (large language models) in a practical context Experience working in agile teams and contributing to the More ❯

Senior Software Engineer II, Machine Learning (ThousandEyes) Location: London, United Kingdom Who We Are Cisco ThousandEyes is a Digital Experience Assurance platform that empowers organizations to deliver flawless digital experiences across every network - even the ones they don't own. Powered by AI and an unmatched set … ThousandEyes enables IT teams to proactively detect, diagnose, and remediate issues - before they impact end-user experiences. About The Role As a Machine Learning Engineer for the Alerts team, you'll be at the intersection of cutting-edge AI/ML technologies and real-time data processing. You'll … be crucial. You'll also work on implementing and optimizing stream processing solutions using technologies like Flink and Kafka. Qualifications 3 - 5 years of software development experience and a minimum of 2 internships with direct experience in building and evaluating ML models and delivering large-scale ML products. MS More ❯

Clockwork Dog is looking for software engineers to join the team full time to accelerate the development of our COGS platform. Our mission is to advance the practice of delivering live interactive experiences by offering innovative, reliable and accessible tools for producers, creatives and technicians. COGS is a software … internally by our team to create interactive solutions for live events, and externally by customers who learn to build their own experiences using our software, hardware and tutorials. Our customers trust COGS for its reliability, ease of use, and interoperability with other systems. COGS is used extensively in productions … Group), Bridge Command (Parabolic Theatre), Wishmas (Secret Cinema), and in hundreds of escape rooms across the world. The role In your role as a Senior Software Engineer you will be building on a fast-moving, well-tested system to give it more superpowers and bring more creative More ❯

Senior Software Engineer - Research and Development PolyAI automates customer service through lifelike voice assistants that let customers lead a conversation. Our voice assistants make it possible for businesses to deliver outstanding customer service that rivals their human agents. Our customers, which include the world's leading logos … operations and integrating PolyAI into their daily customer service workflows. This is an exciting position as we are building a new team within the Engineer function. This team will focus on the application of the latest technology into our product. In this role, you will work on building software … ensuring their reliability and accuracy. Responsibilities: Must have at least 4 years of Python experience. Must have at least 4+ years working experience. Develop software that provides visibility into LLM models and offers configurability for tuning and evaluation. Take a hands-on approach to quickly prototype, test, and iterate More ❯

as we know it About The Role "Hello! I'm Nicolas, Chief Product Officer at Next Gate Tech. We're looking for a passionate Senior Software Engineer with a builder's mindset to join our team. In this role, you'll lead the design and delivery of … scalable software solutions, taking projects from concept to completion. If you thrive on solving complex problems and enjoy bringing ideas to life through technology, we'd love to hear from you." Responsibilities include Lead the design, development, and delivery of major product features with a focus on performance, quality … systems with strategic project execution Qualifications Bachelor's or Master's degree in Computer Science, Engineering, or a related field 5+ years of professional software engineering experience Proficient in backend technologies including Python, with a deep understanding of software architecture and design principles, ability to evaluate different approaches More ❯

between probabilistic machine learning and deterministic classical computing. To meet the demands of our increasing commercial traction, we are looking for a smart, dedicated senior software engineer to join our world-class team. We are looking for someone who thrives on diving deep into code, to solve … challenging and novel problems. You will have extensive software engineering experience, with exceptional coding ability ideally including experience in high-growth start-ups. This role will play a major role in developing our core capabilities, including working on how computers reason. You will work closely with other software … Previous experience working with complex algorithms and data structures. Experience in building well-tested code for production and a demonstrable history of advocating for software quality and evangelising best practices. Experience with leading the process from ideation to production for brand new software systems. Relevant degree: Computer Science More ❯

simplifying and expediting international trade processes for our clients worldwide. Position Overview We are seeking a talented, highly-skilled, self-motivated, and well-organised Senior Software Engineer to join our world-class global team in delivering solutions to the logistics industry and beyond. This is a senior level position requiring 7-10 years of experience in software development. Ideal Candidate The ideal candidate has: Team player who proactively contributes to the success of every sprint, bringing significant technical knowledge and know-how to the project team. An understanding of what it takes to build great … web and mobile applications with a compelling user experience. Ability to think critically, ensuring software standards, conventions, performance, and fault tolerance of the highest calibre. Able to effectively collaborate with team members of all levels to strive toward project goals. A minimum of 7 years of hands-on relevant More ❯

A World-Changing Company Palantir builds the world's leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role As … a Senior Software Engineer on Palantir's Identity team, you will design, develop, and maintain core authentication and authorisation services. Your work will enhance the security and usability of identity governance workflows and access management for Palantirians and our customers globally. Your approach will emphasise secure-by … design principles, embedding security considerations into every phase of the software development lifecycle. By adopting shift-left security practices, you will proactively address security concerns early in the development process, ensuring that our systems are resilient against emerging threats. The Identity team is composed of engineers dedicated to reducing More ❯

Leveraging adaptive AI and audio intelligence, it delivers smarter, safer, and more productive voice interactions across networks, apps, and devices. About the Position The Senior Software Engineer is an Individual Contributor position responsible for developing services that power Hiya's applications. This position is strategically positioned to … mobile applications Work closely with product managers, designers, and other partners to balance big ambitions & creative ideas with steady delivery Improve processes, services, and software and participate in a culture of feedback and collaboration Experiment in the voice space and push the boundaries of what's possible for connecting … which power mobile apps Scaling up services to a massive scale with high availability & low latency Leveraging AWS features and infrastructure to deploy your software Building mobile applications for iOS and Android platforms Developing software in the telephony and VoIP space More Details Salary More ❯

state-of-the-art antibody engineering facility. The company is staffed by a multidisciplinary team of more than 50 scientists and engineers. As a Senior Software Engineer at LabGenius, you will collaborate with our talented team of scientists, data scientists and software engineers to deliver our … ll do in this role Work with our Data Scientists to productionise our machine learning drug discovery platform Lead the design and build of software solutions to help our wet lab scientists generate high quality results Configure, maintain and build integrations for our lab information management system (Benchling) Work … and offer solutions Use Google Cloud Platform to deploy, manage and secure applications and data. Work to maintain and improve the quality of our software, exemplifying best practices for testing, code review, security, documentation, and architecture. What we're looking for Background in a scientific field (via education or More ❯

to life. If you have the willingness to learn new products and describe them, then you might be just who we're looking for: Senior Software Engineer to help us shape Emergn's exciting future and play an important role in our growth. We want you to … Work as part of an agile team. Design, develop, and maintain software applications in line with business requirements. Collaborate with the engineering team to design and launch new features. Maintain code integrity and organization that delivers real business value. This job might be for you if you have: Experience More ❯