Senior Software Engineer jobs in Greater London

Job Description White Collar Factory (95009), United Kingdom, London, London Senior Software Development Engineer - Services About this role We are seeking a Senior Software Engineer who can walk in the shoes of our users, communicate & collaborate with teams in Business, Technology and Operations, bringing a passion for using software and technology to create impactful solutions. To be...

You will work through the entire software development life cycle from requirements capture to R&D, implementation to automation. WE NEED THE SENIOR SOFTWARE ENGINEER TO HAVE…. - Current enhanced DV clearance - Experience with at least one or more of the following: Java, Python, C++, .

Job Description Job Title: Senior Engineer with Node.js and Python or Back End (Java and ideally Kafka) Max rate: £537/Day on Umbrella Location: Croydon (Hybrid) Clearance required: SC Transfer (Active SC only ) Contract Duration: 05 months Experience of Java Experience of Spring framework or equivalent. Knowledge of software design patterns and when to apply them Excellent knowledge of...

Job Description Senior Software Engineer – TypeScript – GovernmentWe’re looking for a Senior Software Engineer to design, build, and deliver secure, scalable digital services for the UK public sector. You’ll develop cloud-native systems using TypeScript, AWS, and modern frameworks, ensuring high performance, resilience, and compliance.Key Responsibilities - Develop and maintain applications...

Job Description Job Title: Senior Software EngineerLocation: London (Hybrid: 2-3 days/week in office)Contract Type: PermanentSalary: up to £100,000(DOE) About the RoleWe're looking for a skilled and experienced Senior Software Engineer to join a fast-paced, product-focused team building innovative technology that delivers real impact. You'll work across the full development lifecycle-from...

You will work with the Product, Infrastructure and QA teams, to produce high performance, low latency and highly reliable code. Your goal will be to develop software which handle large amount of TPS to drive a highly efficient technology used by several markets around the world.

Job Description Senior Software Engineer Tech: AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native Why? scaling FinTech, revolutionising the industry Location: Hybrid - 1-2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly...

Job Description Senior Software Engineer - Remote UK - £85000 What is in it for you? As a talented Senior Software Engineer you can expect: - A supportive and adaptive culture - Access to a structured training and career progression plan - Opportunities to take the lead on critical projects and enhance your career - Great salary - Up to £85,000 base and Package (neg for the right person) We...

You will be rewarded and recognised for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role, as well as providing development for other roles you may be interested in Required Qualifications:

Location London Business Area Engineering and CTO Ref # Description & Requirements The Risk Factor Discovery team empowers clients to access, customize, and dynamically override pricing and market data inputs to fit their methodologies or regulatory requirements. Our product delivers the flexibility clients require across both Buy-side and Sell-side solutions, allowing them to define rules...

FactSet creates flexible, open data and software solutions for over 200,000 investment professionals worldwide, providing instant access to financial data and analytics that investors use to make crucial decisions. At FactSet, our values are the foundation of everything we do. They express how we act and operate , serve as a compass in our decision-making, and play a big role in how we treat...

Senior Golang Software Engineer - AI Scale-up - Voice AI (Permanent - flexible salary) Senior Golang Software Engineer is now required by an Innovative AI scale up to build the strategic architecture platform for their AI product offering This role will be responsible for building a stable and replicable architecture for their core application, focusing on their AI tools in line for product...

Senior Software Engineer (Music Tech/AI) - TypeScript, NestJS, NextJS 📍Location: West London, 2-3 days a week on site 💸Salary: £90,000-110,000 📈 Incubated: A startup within a global music business ⚙️Required Skills: TypeScript, NextJS, Nextjs, GCP, ReactJS 👥 *High Societal Impact* Join a startup redefining music technologies' role within health and wellbeing.. We're partnered with a...

Job Description Skills & Experience Essential Skills - Agile Expertise: Proven experience working in agile environments with Scrum or similar frameworks. - Software Engineering: Strong ability to design, build, and test software components. - Collaborative Mindset: Experience working within a multidisciplinary team and building relationships with stakeholders. - Technical Understanding:...

R ole: Senior Software Engineer - Full-StackLocation: LondonWorking Model: Hybrid 3 DaysSalary: Up to £128,000Ready to build tech that actually means something?This team is powering the next generation of electrification EVs, solar, batteries, heat pumps, smart devices all connected through a platform thats scaling fast and rewriting the rulebook in green-energy tech.Theyre growing. Theyre...

A leading FinTech innovator is shaping the future of financial markets - across traditional finance and crypto - with cutting-edge trade surveillance technology. Their mission is to protect investors, enhance transparency, and ensure compliance in some of the world's most dynamic markets. Trusted by regulators and institutions worldwide, their systems monitor over a trillion events every single...

Senior Backend Software Engineer – Node.JS About the Opportunity An innovative, fast-growing technology company is searching for a Senior Backend Software Engineer to join its core engineering team. This organisation is building next-generation automation and intelligence solutions, and you will play a key role in developing the backend systems that power a high-impact platform used by...

You will work closely with software engineers, DevOps, and our customers to ensure reliable, secure, and scalable operations of our platform.

You will lead a diverse organization of over 60 engineers, architects, and product managers, directly managing multiple teams and promoting large‑scale transformation initiatives. Job Responsibilities Strategic Leadership: defines and communicates the technical vision and architectural roadmap, ensuring alignment with Markets Business strategy and firm‑wide technology objectives.

You will work through the entire software development life cycle from requirements capture to R&D, implementation to automation. WE NEED THE SENIOR SOFTWARE ENGINEER TO HAVE…. - Current enhanced DV clearance - Experience with at least one of the following: Java, Python, C++, C#, .