35 senior software engineer jobs found in London

Senior Software Engineer We are looking for a Senior Software Engineer in our Credit Decisioning team. Our Credit Decisioning team, part of the Core Services department, is a collaborative group of problem-solvers dedicated to building and refining the technology that delivers near-instant decisions to our customers. As a Senior Software Engineer, you’ll play a key role in evolving our bespoke decision engine, which is central to our application process. You’ll work closely with talented colleagues to understand and enhance our credit strategy implementation and the software systems that support it. This is an exciting opportunity to make a real impact while growing your expertise in an environment that values innovation, teamwork, and shared success. Please note, the minimum expectation for office attendance is a minimum of two days per week in our central London office. Who are we? We’re Funding Circle. We back small businesses to...

Senior / Principal Software Engineers – Threat Protection The driving force behind the scanning platform at Mimecast Dive into the forefront of innovation with our Gateway Security team, where we scan massive volumes of email traffic for our customers! Our pioneering Email Platform pushes on the boundaries of what’s possible, leveraging the latest technologies and tooling in AWS. Why Join Our Team? “The Gateway Security team, within the Threat Protection group, is responsible for developing the cutting edge scanning technology at the heart of Mimecast’s protection stack, scanning over 2 billion emails, files, and URLs daily. If you’re interested in solving customer challenges at immense scale, then this is the role for you!” Responsibilities Experience in a complex, multi-disciplinary environment, delivering products within specific time-scales and engaging with multiple senior stakeholders Transform Product requirements into features/enhancements...

Senior Software Engineer - Cloud Security At Vanguard, we manage over $7 trillion in assets worldwide, carrying a deep responsibility to protect our clients from cyber threats. Our Enterprise Security & Fraud (ES&F) team focuses on delivering secure and seamless login experiences while safeguarding against cyberattacks. Join our newly formed cybersecurity team in Europe and help defend hundreds of thousands of clients across the UK and Europe. Role Responsibilities Develop and enhance modern cloud-based cybersecurity services across all layers, from database to front-end. Implement secure authentication solutions (MFA, Passkeys, etc.). Integrate with identity providers like Auth0, Transmit Security, and Ping Identity. Build solutions to detect and prevent account takeover attempts by bad actors. Improve the efficiency and resilience of cloud services. Drive continuous...

Who we are We’re the people behind global loyalty currency, Avios, and home to three ambitious, growing businesses; Loyalty, Holidays and Retail. Each business has its own goals, strategy and team, but collectively we share a purpose to create the world’s most rewarding experiences for our customers through loyalty programmes, new products and holidays. We’re on a truly exciting journey of growth and transformation – we’re going places! It means we have a fantastic story to tell our people and the rest of the world. This is where you come in. The Opportunity ✨ We’re looking for a Senior Software Engineer to lead the development of our ‘Shopping’ product across our web channels, including avios.com and partner platforms. ‘Shopping’ encompasses our online affiliate portal and in-store card-linking features. You’ll take full ownership of the entire product stack, from front-end to back-end, ensuring smooth, reliable delivery and operation. What...

Walr is a data creation company that supports insight professionals globally. It specializes in reaching diverse audience segments, leveraging proprietary technology, and offering bespoke services. With a comprehensive suite of tools, backed by a team of seasoned industry professionals, Walr’s services include efficient data collection methods, intuitive data visualization and reporting techniques, and supportive and transparent advice. Walr exists to unify the complex and fragmented research process by introducing more efficient, rapid, and straightforward methods. As a rapidly growing company and acclaimed recipient of the Best Workplace in Tech and Best Workplace in Wellbeing titles, we're not just offering a job – we're inviting you to shape our journey. Empowerment and growth define us. Join us in reshaping the future of business. About The Role: As a Senior Backend Software Engineer at Walr, you will design, develop, and maintain robust, scalable...

The Role Step into a pivotal role where your expertise and leadership drive technical innovation and excellence. As a Senior Engineer, you will be instrumental in shaping the technical landscape, mentoring team members, and delivering high-quality solutions. Be a technical authority : Set high standards for your domain and lead by example. Mentor and guide : Empower junior engineers and share your knowledge to foster their growth. Champion best practices : Promote TDD, clean code, and robust architectural practices. Collaborate effectively : Work across teams to create cohesive and scalable solutions. What You'll Do Drive technical discussions : Lead conversations about technical decisions, identify trade-offs, and guide the technical direction within your team. Deliver quality solutions : Balance rapid delivery with maintainability to ensure the platform remains scalable and robust. Hands-on development : Work closely with your team on complex...

Our front office technology team is a collaborative global community of technology enthusiasts who partner with the Commodities and Global Markets business and play a key role in delivering the business strategy. We operate in a flat structure and as a member of the team you are encouraged to take ownership and accountability of your work, collaborating with senior members of the business to identify new opportunities and will be able to see first-hand the positive impact your work has and how it supports revenue growth and operational efficiencies through innovative technology solutions. We encourage our team members to play multiple roles; from business analysis and requirements gathering to delivery and risk management. Through this process our team gains a better understanding of the process of product delivery and has an opportunity to develop different skills and explore different career paths. At Macquarie, our advantage is bringing together...

There is a place for you at T. Rowe Price to grow, contribute, learn, and make a difference. We are a premier asset manager focused on delivering global investment management excellence and retirement services that investors can rely on today and in the future. The work we do matters. We invite you to explore the opportunity to join us and grow your career with us. Are you interested in a team-oriented approach, putting people first and a curious and enthusiastic learner? We are a group of diverse problem solvers, working and learning together to support our investors sustainable investment objectives. The ESG Technology platform is a containerized, cloud first blend of Python, C#, Postgres and AWS products. We are looking for a polyglot senior developer with proven C# and Python experience to join our team, specifically with experience in frameworks like aspnet core, pandas or equivalents. The role will involve working on both in-flight and greenfield projects in an...

RedCloud is leveraging AI-powered technology to break down the barriers to fair and profitable trade in emerging markets. RedCloud's Intelligent Open Commerce Platform connects FMCG Brands, Distributors, and Local Merchants on a single, equitable marketplace, empowering them with real-world insights and data to help them make better decisions. RedCloud enables FMCG Brands to seize new opportunities in emerging markets, facilitates access to more buyers & streamlines operations for Distributors, and helps Local Merchants spend more time selling products, not searching for them. The company comprises a highly diverse, dynamic team of driven talented people from over twenty different countries, speaking multiple languages, with a physical footprint in Africa, Europe, and Latin America. Senior Full Stack Software Engineer - Trade Conversion The Trade Conversion Value Stream focuses on transforming carts and expectations into actual orders and supporting retailers,...

We know that people want great value combined with an excellent experience from a bank they can trust, so we launched our digital bank, Chase UK, to revolutionise mobile banking with seamless journeys that our customers love. We're already trusted by millions in the US and we're quickly catching up in the UK – but how we do things here is a little different. We're building the bank of the future from scratch, channelling our start-up mentality every step of the way – meaning you'll have the opportunity to make a real impact. As a Senior Lead Software Engineer at JPMorgan Chase within the International Consumer Bank, you will be joining our Cloud Platform Engineering tribe, which is at the heart of a cutting-edge cloud-native AWS infrastructure that powers the Chase UK bank that is trusted by over 2 million customers. You will be exposed to a wide spectrum of platform technologies such as Kubernetes clusters, connectivity, databases. As well as numerous technologies in the...

Principal AI Engineer Waterloo - Hybrid Working At Currys we’re united by one passion: to help everyone enjoy amazing technology. As the UK’s best-known retailer of tech, we’re proud of the service our customers receive – and it’s all down to our team of 25,000 caring and committed colleagues. Working as one team, we learn and grow together, celebrating the big and small moments that make every day amazing. The Principal AI Engineer role is a senior hands on technical role. It will be accountable for technical leadership and delivery on Currys Generative AI solutions and for the associated development and LLM Ops resources in the UK and India. Role overview: As part of this role, you'll be responsible for: Lead AI Engineering resources to define and deliver Gen AI solutions on our Azure platform. Deliver solutions on other Gen AI platforms as prioritised by the AI Steering Committee...

Senior Cybersecurity Engineer – Product Security | London Are you ready to write your next chapter? Make your mark at one of the biggest names in payments. With proven technology, we process the largest volume of payments in the world, driving the global economy every day. When you join Worldpay, you join a global community of experts and changemakers, working to reinvent an industry by constantly evolving how we work and making the way millions of people pay easier, every day. What makes a Worldpayer? It’s simple: Think, Act, Win. We stay curious, always asking the right questions to be better every day, finding creative solutions to simplify the complex. We’re dynamic, every Worldpayer is empowered to make the right decisions for their customers. And we’re determined, always staying open – winning and failing as one. We’re looking for a Product Security Engineer Specialist to join our ever evolving Cyber team to help us unleash...

Organisation   -  SIGNALS MAINTENANCE AND RENEWALS Job   -  Signal Position Type   -  Full Time Job title:  Cyber Security Engineer (Maintenance) Salary:  £70,000 - £80,000 Location:  London / Hybrid Working Contract Type : Permanent   Overview of project/role The Cyber Security Engineer (Maintenance) is responsible for providing cyber security expertise and support to reduce the likelihood and impact of a cyber security incident for Signalling Systems (And supporting systems) across all London Underground lines. The role holder will lead on the continuous management of cyber security throughout the operational life cycle of railway systems including the delivery of necessary improvements and activities aligned to the Network and Information Systems (NIS) Regulations, TfL's Cyber Security Policies and other relevant regulation and industry best practice. The role is...

WPP is the creative transformation company. We use the power of creativity to build better futures for our people, planet, clients, and communities. Working at WPP means being part of a global network of more than 115,000 accomplished people in 110 countries. WPP has headquarters in New York, London and Singapore and a corporate presence in major markets worldwide. We create transformative ideas and outcomes for our clients through an integrated offer of communications, experience, commerce, and technology. WPP and our award-winning agencies work with most of the world's biggest companies and organisations – from Ford, Unilever and P&G to Google, HSBC, and the UN. Our clients include 61 of the FTSE 100, 307 of the Fortune Global 500, all 30 of the Dow Jones 30 and 62 of the NASDAQ 100. WPP are the leader in the Bloomberg Gender Equality Index and 20th in the FTSE 100 rankings for Women on Boards. Why we're hiring: WPP is at the forefront of the marketing and...

Who we are We’re the people behind global loyalty currency, Avios, and home to three ambitious, growing businesses; Loyalty, Holidays and Retail. Each business has its own goals, strategy and team, but collectively we share a purpose to create the world’s most rewarding experiences for our customers through loyalty programmes, new products and holidays. We’re on a truly exciting journey of growth and transformation – we’re going places! It means we have a fantastic story to tell our people and the rest of the world. This is where you come in. The Opportunity ✨ We’re looking for a Junior Software Engineer to join our team and help deliver our ‘Shopping’ product across our web channels, including avios.com and partner platforms. The Shopping product spans both an online affiliate shopping portal and an in-store card-linking proposition, giving you the chance to gain full-stack exposure, working on both front-end and back-end development. As a Junior...

Details Reference number 377464 Salary £44,590 The base salary for this grade is £44,590, offers above this will be made up of a Digital Skills Allowance of up to £11,400 per annum for exceptional candidates. This role is eligible for London weighting. A Civil Service Pension with an employer contribution of 28.97% Job grade Senior Executive Officer C1 Contract type Permanent Business area MOD - Strategic Command Type of role Architecture and Data Defence Operations Digital Information Technology Intelligence Working pattern Flexible working, Full-time, Compressed hours Number of jobs available 1 Contents Location About the job Benefits Things you need to know Apply and further information Location London About the job Job summary Do you want to work at the forefront of UK Defence, supporting operations that are...

About Walr: Walr is a data creation company that supports insight professionals globally. It specializes in reaching diverse audience segments, leveraging proprietary technology, and offering bespoke services. With a comprehensive suite of tools, backed by a team of seasoned industry professionals, Walr’s services include efficient data collection methods, intuitive data visualization and reporting techniques, and supportive and transparent advice. Walr exists to unify the complex and fragmented research process by introducing more efficient, rapid, and straightforward methods. As a rapidly growing company and acclaimed recipient of the Best Workplace in Tech and Best Workplace in Wellbeing titles, we're not just offering a job – we're inviting you to shape our journey. Empowerment and growth define us. Join us in reshaping the future of business. About The Role: This role is responsible for shaping the technical direction and ensuring the successful delivery of...

About Walr: Walr is a data creation company that supports insight professionals globally. It specializes in reaching diverse audience segments, leveraging proprietary technology, and offering bespoke services. With a comprehensive suite of tools, backed by a team of seasoned industry professionals, Walr’s services include efficient data collection methods, intuitive data visualization and reporting techniques, and supportive and transparent advice. Walr exists to unify the complex and fragmented research process by introducing more efficient, rapid, and straightforward methods. As a rapidly growing company and acclaimed recipient of the Best Workplace in Tech and Best Workplace in Wellbeing titles, we're not just offering a job – we're inviting you to shape our journey. Empowerment and growth define us. Join us in reshaping the future of business. About The Role: Walr is looking for a Principal Software Engineer. This role is ideal for someone who loves to lead...

About us! Our open source charts and commercial libraries are used by tens of thousands of financial sites across the planet, including whales like: CME, Refinitiv, Investopedia, Crunchbase, Binance, Bitcoin.com and many many others. We’re also one of the world’s biggest websites (#61 to be exact, according to Alexa Rankings), visited by 100s of millions of people every year. So if you’re interested in finance, chances are you’ll have already seen us around the place. Our mission is to help millions of people succeed in life, whatever that means for them, by providing the highest quality information in the smartest way so they can make the best-informed decisions possible. To do this, we’re looking for individuals to join a team where product quality means everything, where you’ll be given the opportunity to develop your best work, and where the fruits of your labor will be seen by millions of people each and every day. Join our Spanish team We’ve got people all...

As the nation’s flag carrier, we take great pride in connecting Britain with the world and the world with Britain. It’s something we’ve been doing for over 100 years, ever since we launched the world’s first international scheduled air service between London and Paris. This originality has been in our blood since day one. It’s the spirit we share with the people that fly with us, our partners, and our colleagues. So, whether you are a reassuring voice on the end of a phone, a smile at the door, under a wing keeping the turbines spinning or landing us gently in far-flung places, a job at British Airways is yours to make. We know great things can happen when you’re inspired to think big and bring your ambition to work every day, which is why, at British Airways the sky is never the limit. We are looking for talented   Principal Data Engineers   with deep technical data platform engineering skills including   SQL,   AWS, Snowflake, Airflow, Git   and   Python....