601 to 625 of 1,330 Permanent Senior Software Engineer Jobs

seeks a Senior Software Engineer to design, build, and operate research and production infrastructure for mid-frequency equity statistical arbitrage strategies. This is a hands‐on role covering data ingestion, research tooling, back testing, production deployment, and live execution integration. The ideal candidate will have ...

genetic data, and we are continuing to grow our engineering capability to support this ambition. We are hiring a backend leaning full-stack focused Senior Software Engineer to join our Research Enablement squad . This squad sits on the intersection of the Trusted Research Environment … using modern, agile development practices like code review, TDD, CI/CD and pairing using tools like Git and GitHub Experience of operationally managing software components once live, including; observability, logging, metrics, error reporting, debugging and live incident management Experience of working with sensitive personal data Competencies Experience working ...

Almac Central Services is seeking a Senior Software Engineer to design, build and evolve platforms that power our business. You will own end-to-end delivery, turning complex requirements into robust software, while shaping standards, architecture, and security for scalable systems. You will work across ...

Civica UK Ltd is seeking a Senior Software Engineer to join our product teams in the public sector space. You will decompose business problems into robust system designs, craft production-grade software, and navigate both legacy and greenfield projects within the same product. Emphasis on engineering ...

Deliveroo is hiring a Senior Software Engineer for our London Hybrid team (3 days from the office). You’ll help improve code structure and architecture while leading project planning to maximise efficiency and reliability across production systems. We seek deep experience across web stacks (Go, Ruby …/Rails, Python, Scala, Rust) and a passion for scalable, well-tested software in a fast-moving marketplace. #J-18808-Ljbffr ...

Google Cloud seeks a Senior Software Engineer for TorchTPU in London. You will lead AI framework work, optimize PyTorch on TPUs/GPUs, and collaborate across teams on large-scale ML systems. You will design and implement performance-focused software, mentor engineers, and drive projects from ...

believe you can make a strong contribution, we still encourage you to apply What the job involves 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 … work and help strengthen our engineering practices as the portfolio grows 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 ...

Online Filings is seeking a Senior Software Engineer to architect and develop our next-generation web application and API. This role requires technical leadership, hands‐on development, and mentoring of junior developers to ensure scalability, security and performance. If you are passionate about software development, enjoy ...

Northrop Grumman UK is seeking a Senior Software Engineer to design, develop and maintain the infrastructure that powers our services. You will be self-driven and organised with a passion for building elegant and stable solutions, and you will lead a team through technical and delivery challenges. ...

globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every … that touch millions and get the opportunity to build the future of finance with Citi Tech. Citi's Equities Technology organization is seeking a Senior Software Engineer – Ultra Low Latency Risk Engine Developer to join the Equities Electronic Execution (Electronic Trading) technology team. This role is focused ...

Bell is seeking a Senior Software Engineer to join our Operational and Regulatory Technology team in Manchester. You will design and build services and APIs across the stack, collaborating with cross-functional teams to deliver secure, scalable, and high-performing software. You’ll work on modern ...

SailPoint is hiring a Senior Software Engineer to design, build, and deploy full-stack microservices for the Policy Engine in a remote UK-based role. You will work on real-time and batch decision systems using Golang, Angular, and modern cloud technologies. The UK Platform Engineering team ...

Wise is seeking a Senior Software Engineer II for Account Integrity to help build a globally scalable fraud prevention engine and protect customer money. You will work on end-to-end systems, focusing on robust controls and detection capabilities. Role blends backend and frontend work (80% backend ...

Wise is hiring a Senior Software Engineer II for the Account Integrity team. You will work on a high-impact engineering role focused on safeguarding customer accounts worldwide, delivering end-to-end projects that strengthen fraud prevention. Leverage Java/JVM, Spring, and CI/ ...

Role Aveni is building next-generation AI systems for UK financial services, where safety, compliance, and trust are non-negotiable. We're hiring a Senior Software Engineer to work on AI and agentic platform capabilities that power intelligent, automated workflows for financial services. This is a high … communicator who can explain complex ideas clearly Passionate about mentoring and raising team standards This role offers a clear path into Staff or Lead Engineer positions Drive architectural decisions across multiple teams Own complex, cross-cutting AI systems Benefits at Aveni. What you’ll love: Remote-first working across ...

MONY Group in Manchester is seeking a Senior Software Engineer to join one of our Manchester-based engineering teams. You will help build products and platforms that power millions of financial decisions, collaborating with product managers, designers and fellow engineers to deliver scalable, secure software. ...

understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments. Python Senior Software Engineer Location: Manchester These roles require 5 days week on site. We offer a range of flexible working arrangements please speak … reaches of space theres no limit to where a career at our client could take you. Role description We are looking for experienced Python Software Engineers who want to have a real impact, and who are keen to apply their creative thinking to the ever-changing space of cybersecurity. ...

MONY Group plc in Manchester is seeking a Senior Software Engineer to build platforms powering millions of financial decisions. You will shape technical direction, deliver scalable solutions, and contribute across the full software lifecycle with a focus on backend-leaning development. The role emphasizes ownership, collaboration ...

Financial Times as one of Europe's fastest-growing companies for two consecutive years—and a UK Best Employer for 2026. As a Senior Software Engineer I at Thought Machine, you will own and deliver highly complex, end-to-end engineering work items. You will look beyond … your team, solving ambiguous problems, guiding less experienced engineers, and actively shaping our technical and product roadmaps. This is a role for an engineer who values clean, maintainable systems, embraces an egoless approach to collaboration, and is driven to deliver robust solutions to production. What You’ll Do Technical ...

Elsevier Limited Company is seeking a Senior Software Engineer I (Java & JavaScript) to design and develop scalable, high-performance applications within the Identity & Access Management team. You will contribute to authentication and authorization infrastructure that powers our global product suite, operating on AWS ECS and EKS. ...

Goodnotes Limited is seeking a Senior Software Engineer to join the Paddington-based AI-native product line. You’ll work directly with the founder and a small squad to design, build, test, ship, and operate features that harness AI agents. You will craft guides and automated checks … catch defects and performance regressions before code lands. You will contribute to iOS, Android, Mac, Windows, web, and backend stacks, shipping high-quality software with fast, deterministic checks and clear #J-18808-Ljbffr ...

seeking a Senior Software Engineer for the Unified Platform - Platform Services in London. The role focuses on defining, developing, and owning services that underpin DRW's Unified Platform, delivering end-to-end features with minimal oversight. The candidate will work across languages and technologies, emphasizing reliability, scalability ...

Elsevier is seeking a Senior Software Engineer to contribute to the Enterprise API Platform, improving developer experience and onboarding for internal and external users. You will mentor juniors, participate in design discussions, and ensure high-quality code across legacy and new platform components. You will collaborate across ...

Disney Streaming is seeking a Senior Software Engineer for Cloud Account Management in Manchester. You will design, build, and support automation tools to enable secure, self-service workflows in the AWS environment, while guiding DevOps teams on secure cloud practices. The role involves working with a talented ...

Catapult is seeking a Senior Software Engineer in London (hybrid) to advance the Perch camera system. You will write Python/C++ across devices and services, improving how we collect and analyze performance data at scale for real sports teams. You’ll work on 3D tracking ...