676 to 700 of 1,337 Senior Software Engineer Jobs

major platforms, we’ve rapidly risen to become one of the world's largest publishers. About the opportunity We’re looking for a Senior Software Engineer to help build and develop a growing portfolio of AI-powered products and business tools. You’ll work closely with technical … engineering practices as the portfolio grows. How we work with AI AI‐assisted engineering is a core part of how we investigate problems, develop software, test changes and iterate. These tools support engineering judgement rather than replace it. You’ll be expected to define clear requirements, design appropriate systems ...

Cisco ThousandEyes, a Digital Assurance platform within Cisco, seeks a Senior Software Engineer to design and operate real-time data streaming pipelines and APIs for large networking customers. You will implement scalable backend services and integrate AI tools into modern DevOps workflows. The role emphasizes Java development ...

November 2026 Salary Range £84,624 - £126,936 Flexible Working Options Hybrid Working, Job Share Job Description Summary . Job Description JOB TITLE: Senior Software Engineer SALARY: £84,624-£105,780 LOCATION(S): London HOURS: Full-time WORKING PATTERN: Our work style is hybrid, which involves spending … leadership for strategic platform modernisation initiatives, including risk engine simplification, cloud migration, performance improvement, data platform optimisation, and operational resilience enhancements. Acting as a senior delivery lead and subject matter expert, guiding agile delivery teams, managing complex dependencies, and ensuring successful execution of business-critical risk programmes. Why join ...

Triptease is seeking a Senior Software Engineer in the United Kingdom for a remote-friendly role. You will build with agents, emphasize tests, and own significant features end-to-end, driving architectural choices and team alignment. You will collaborate closely with product managers and engineers to deliver ...

Avaloq Group in Edinburgh is seeking a Senior Software Engineer to join our Platform and Integration team. You will maintain and enhance Core Banking modules, develop change requests and provide support to live clients, working with SMEs to design, test and maintain high-quality banking solutions. This ...

Process Street is seeking a Senior Software Engineer to architect and evolve an AI-native SaaS platform. You will work remotely across time zones, designing scalable backend systems, APIs, and AI-assisted services while shaping frontend work with modern tools. The role emphasizes collaboration with ...

Cisco ThousandEyes in London is seeking a Senior Software Engineer to design, build, test, and operate near real-time data streaming solutions for large networking customers. You will develop agentic workflows, integrate AI tools with CI/CD and dev environments, and create secure, observable backend services ...

Future Health is hiring a backend-leaning senior software engineer to join the Research Enablement squad. You will own backend APIs, security checks and cloud infrastructure, working at the intersection of TRE and bespoke security tooling. You will collaborate with cross-functional teams, mentor engineers and contribute ...

Lloyds Banking Group is seeking a Senior Software Engineer in London to lead the design, optimisation, and evolution of a market risk calculation and reporting platform. You’ll drive cloud-native risk data platforms and work with Risk, Analytics, Trading, and Tech teams to deliver scalable solutions. ...

valuable for us but ultimately, we trust our team to decide what works best for them. You will achieve your mission as our Senior Software Engineer by: Helping lead the rebuild of our tenant referencing product, migrating it from our legacy platform onto Thirdfort’s strategic engineering ...

develop and maintain a microservices-based system using PHP and modern frameworks, contributing to the re-architecture of our bespoke platform., The Senior Software Engineer will be responsible for implementing microservices using PHP, with a strong emphasis on Laravel or similar frameworks. The role also involves database ...

Fortinet, Inc. is seeking a Senior Software Engineer to join the Agent Endpoint DLP team in London. The role focuses on kernel and OS-level development for the FortiDLP endpoint agent, with ownership of new features and maintenance of existing functionality. You will work in a cross ...

Chainalysis is building the data platform for blockchain analytics and seeks a Senior Software Engineer with deep PostgreSQL and Java Spring Boot experience to drive high-impact projects at scale. You will own a data ingest Java service, optimize PostgreSQL operations, and contribute to next-generation architecture ...

Mirae Asset Securities Co., Ltd. in London is seeking a MASUK Senior Software Engineer to build a real-time, event-driven platform for securities lending, repo and delta-1 trading. The role covers end-to-end development across Java server-side components, Python ETL pipelines, and external ...

LineTen is building a data-driven last-mile network and is seeking a Senior Software Engineer to craft robust backend services and frontend integrations. You will operate in a low-ceremony, high-trust environment, owning critical components and driving long-term software quality. You will work ...

just work in the sporting industry; we are actively changing it. Since 2006, our solutions have been leading the way in sports performance software, science, and data, in a world where 1% can literally mean the difference between winning and losing. We work with over 5,000+ teams around … gain an advantage, sharpen performance, and build lasting success. WE WANT PEOPLE WHO ARE PASSIONATE ABOUT SOLVING HARD PROBLEMS We are looking for a Senior Software Engineer to help build the Perch camera system, Based in London (hybrid), you will work across platform, perception, and ML systems. ...

entering an exciting period of growth. We're seeking a talented and ambitious Mid-Level Full Stack Developer to join us as Senior Software Engineer, with potential to move quickly into a Head of Technology role, pending performance. The ideal candidate will be hungry ...

Generative Group in London is seeking a Senior Software Engineer to take complex product problems from conception through delivery, working closely with users to understand needs and design robust, user-centred solutions. You will build systems turning voice notes, photographs and videos into completed reports and shape ...

Light & Wonder, Inc. in Manchester, UK, is seeking a Senior Software Engineer to help build a next-generation, cross-platform game framework powering experiences across web, mobile, desktop, and land-based gaming. You'll design and develop core framework components, influence architectural directions, and tackle complex performance ...

Hozah in the UK offers fully remote roles or a London-based option near East Croydon Station. As a Senior Software Engineer, you will own a product area, shaping architecture, quality, and delivery, with a small team and close collaboration with product and customers. You will build ...

Wise is expanding its MEA region and seeks a Senior Software Engineer to join the regional expansion team. You will help build scalable onboarding and money movement capabilities by integrating with local partners and payment schemes. You will design, implement, test and deploy backend services, collaborate with ...

Trade Desk in London, United Kingdom is seeking a Senior Software Engineer to own end-to-end delivery of significant features in our event tracking and data platform. You will build tools enabling self-service data access and insightful dashboards for multiple teams, including business and product ...

UNITED in London is seeking a Senior Software Engineer to help build and evolve our real-time liability and risk platform for sports betting. You will work on our Core Liability engine — a modular, event-driven system — delivering fast, accurate live insight into positions and risk. ...

Future Health in London is hiring a backend-leaning Senior Software Engineer to join the Research Enablement squad. You will own backend services, APIs, and security tooling while contributing to frontend work as needed in a total ownership model. The role emphasizes cloud hosted apps, TypeScript/ ...

NewDay Technology Limited is building an Engineering Enablement team and is seeking a Senior Software Engineer who enjoys solving problems that make other engineers more effective. You'll design internal tools, services and platform capabilities to help engineering teams deliver safely and quickly, while influencing the roadmap. ...