19 of 19 Permanent Software Engineer Jobs in the City of London

Principal Software Engineer/Developer (Java Spring Boot AWS) London/WFH to £120k Are you an experienced Java focussed Software Engineer, with technical project leadership and client facing skills? You could be progressing your career at a global technology consultancy. As a Principal Software Engineer you will lead client projects, often long term technical transformations, designing, developing and delivering a range of projects for clients, mainly within the financial services sector and with a focus on migrating legacy systems to AWS and introducing CI/CD pipelines and cloud deployments. ...

Full Stack Software Engineer - Hybrid - (GO/Typescript/AWS) - £60,000/£85,000 Full Stack Software Engineer London - Hybrid £60,000 - £85,000 + Equity Switch are partnered with a fast-growing AI SaaS scale-up that's transforming how enterprise businesses engage customers … scaling their engineering team and looking for experienced product-minded engineers to help build the next generation of their platform. This Full Stack Software Engineer role offers genuine ownership across the full product lifecycle, working closely with Product, Design and customers to deliver scalable, AI-powered features ...

Security Software Engineer (GenAI & LLM Security) Location: London (Hybrid - 1-2 days per week in the office) Salary: Up to £90,000 + Bonus + Excellent Benefits We're partnering with a leading global technology consultancy that's expanding its AI Security and Engineering practice. As organisations rapidly … building secure, enterprise-grade AI platforms that protect Large Language Model (LLM) applications from emerging threats. We're looking for an experienced AI Security Software Engineer to design and develop innovative security solutions that safeguard enterprise AI applications. This is an exciting opportunity to work at the intersection ...

Python Software Engineer | Software Developer | Python, AWS, Terraform London, London City Hybrid, 2 days a week onsite £80k plus 8% bonus, 10% pension, private healthcare We're recruiting for a Python Software Engineer to join a large, global AI & SaaS specialist. This is an opportunity ...

Hiring: Software Engineer – Angular | Google | London I’m currently working on an exciting Software Engineer contract opportunity with Google , and I’m looking for a strong Full Stack Engineer with a frontend focus and solid hands-on Angular experience. This is a great opportunity … engineer who enjoys working across modern frontend technologies while also having enough backend experience to contribute across the stack. 🔹 Role Overview 📍 Location: London 🏢 Working Pattern: Onsite Tuesday, Wednesday & Thursday 💻 Role: Software Engineer – Full Stack 🎯 Frontend/Backend: 60–70% Frontend/30–40% Backend 🔹 What ...

Software Engineer | DevEx/Developer Experience | Hybrid in London | Tier 1 Trading Firm | Highly competitive compensation We're partnering with one of the world's most sophisticated technology-driven trading firms to hire a Software Engineer into a high-impact Developer Experience team that has doubled … work at exceptional scale, improving the productivity of hundreds of engineers globally by building the platforms, tooling and automation that power the entire software development lifecycle. You'll join a business where engineering excellence sits at the core of everything they do. From build systems and CI/ ...

Senior Software Engineer | Data Visualisation & Graphics | London London (Hybrid) Salary up to £200,000 + benefits Most engineers consume visualisation libraries. A small number build them. We’re working with a highly successful software company whose charting technology powers applications used by thousands of organisations worldwide, from … global financial institutions to technology businesses and enterprise software providers. As adoption continues to grow, they’re looking for a software engineer to help build the rendering systems, charting components, and visualisation infrastructure that sit at the heart of the product. This is not a dashboard-building ...

Senior Software Engineer (Sports betting) Up to £120,000 + Bonus + Excellent Benefits London | Python | Java | GCP | Real-Time Distributed Systems Build systems where performance really matters. If you're a Senior Software Engineer who gets excited by high-performance systems, distributed architecture and real … Contributing to architectural and technical decisions Improving resilience, observability and overall system reliability Working closely with engineers and technical stakeholders to deliver high-quality software Supporting infrastructure, deployment and continuous improvement The Technology You'll be working across a modern, cloud-native engineering environment including: Python | Java | GCP | Docker ...

Lead Software Engineer- Tax & Legal Technology Location -London We are a team of 300+ technologists providing technology enablement services and solutions across the Tax and Legal business. This business has 2,500 tax & legal professionals covering multiple disciplines. We serve many thousands of clients and private individuals … with the minimum amount of effort. The Engineering department is made up of Product Owners, Business Analysts, multi-disciplinary Engineering teams (approximately 160 Software, QA and Cloud Operations engineers) and IT Service delivery professionals working on a large portfolio of systems used to improve productivity and solve key business ...

Lead Software Engineer- Tax & Legal Technology Location -London We are a team of 300+ technologists providing technology enablement services and solutions across the Tax and Legal business. This business has 2,500 tax & legal professionals covering multiple disciplines. We serve many thousands of clients and private individuals … with the minimum amount of effort. The Engineering department is made up of Product Owners, Business Analysts, multi-disciplinary Engineering teams (approximately 160 Software, QA and Cloud Operations engineers) and IT Service delivery professionals working on a large portfolio of systems used to improve productivity and solve key business ...

Operational Cyber Software Engineer Locations: Gloucester, Manchester or London (Onsite) Employment Type: Full-time or Part-time About the Role We're looking for experienced Software Engineers to join a specialist cyber team delivering high-assurance software for complex security challenges. You'll work on cutting … system design, implementation and testing. Work collaboratively within multidisciplinary engineering teams. Review code, mentor junior engineers and share technical knowledge. Produce well-documented, maintainable software following industry best practice. Embrace emerging technologies while understanding associated security risks. Identify vulnerabilities during development and implement appropriate mitigations. Skills & Experience ...

Senior Software Engineer – Scala, Distributed Systems Location: UK, remote-first with occasional onsite. UK-based, UK data handling only. Engagement: Contract, outside IR35. Rate: circa £700/day depending on experience. Clearance: Current, portable NPPV3 is essential (SC alongside is a strong plus). We can only consider ...

Details: Role - Software Development Engineer II Location – London, UK Type : Onsite – 5 days per week Duration : 12 Months Start Date : ASAP Requirements: Top Must-Haves: Java, Kotlin and TypeScript Job Description: We are hiring an L5 Software Development Engineer (contractor) in London to join the Prime … Prime Video teams Work on Operational Efficiency and maintaining availability and security Participate in on-call rotations and operational excellence practices Basic Qualifications Professional software development experience Proficiency with Java, Kotlin and TypeScript Experience designing and building distributed systems or backend services Experience with cloud infrastructure (AWS — e.g. ...

Software/Programming Engineer - Hybrid Working Looking for more flexibility without compromising on the quality of projects you work on? If you're a BMS Software or Programming Engineer looking for greater autonomy, a better work-life balance, and the opportunity to work on some … Salary/Compensation Salary up to £80,000 Yearly Bonus Hybrid Working Company Car/Car Allowance Healthcare Pension Responsibilities Develop and configure BMS software for major building automation projects. Produce control strategies, graphics, alarms and system integrations. Program controllers and front-end systems. Support commissioning engineers during testing ...

working with a forward-thinking technology company looking to hire a Graduate/Junior Software Engineer to join their growing team. This is a fantastic opportunity for someone early in their career to gain hands-on experience across a modern infrastructure stack, working on systems that are scalable ...

data models and database schemas related to Rates tradi ng.Collaborate with front-end developers, business analysts, and other stakeholders to deliver high-quality financial software solutio ns.Ensure the performance, quality, and responsiveness of applicatio ns.Integrate third-party APIs and financial data fee ds.Implement and enforce security best practices ...

Lead Developer is responsible for providing technical leadership across software development projects, ensuring the successful design, build and delivery of high-quality solutions. The role combines hands-on development with technical oversight, mentoring and stakeholder engagement, helping development teams deliver robust, scalable applications in line with project requirements … Working as part of a collaborative team, the successful candidate will provide technical guidance, support delivery activities and contribute to continuous improvement across the software development lifecycle. They will be expected to work independently with minimal supervision while supporting and developing other team members. Key Responsibilities Design, build ...

into a clear, prioritised quality strategy. Strong communication skills, and the confidence to set and hold a quality bar across teams. 6+ years in software quality and test engineering, including senior or lead-level ownership of test strategy. Proven experience building automated test frameworks for a SaaS product (ideally ...

io.tt is growing quickly, and we are investing in quality as a core part of how we build. We are looking for a hands-on Senior SDET/Quality Lead to own our testing strategy ...