351 to 375 of 628 Software Engineering Jobs in London

Senior Full Stack Developer We are looking for a high-caliber Senior Full Stack Developer (L5 equivalent) to join a specialized innovation 'incubator.' Our mission is to accelerate the AI transformation of global business operations ...

This is the future of HL - and the future of investing. We're building the next generation of platform for one of the UK's largest financial services companies, trusted by over 1.8 million clients ...

. Minimum 4 years in cloud platforms (AWS, Azure, GCP) and their AI/ML services. Minimum 5 years in ML model development, data engineering, and software engineering. Minimum 3 years in MLOps and AI/ML deployment. Minimum **2 years in Generative AI, LLMs, and agentic frameworks. ...

rounds. Since then, we've continued to grow rapidly as adoption of AI in financial services accelerates, and we're now scaling our engineering organisation to meet that demand. Our engineering team includes experienced software engineers and PhD-level AI specialists, with strong ties to the University … Edinburgh, giving you access to exceptional expertise and opportunities for continuous learning as part of the day-to-day work. The Role As a Software Engineer at Aveni, you'll be responsible for building and scaling the products that sit on top of FinLLM (the UK's first ...

agent systems. Define patterns, abstractions, and SDK frameworks (e.g., LangGraph/Pydantic-based graph systems or similar) that serve as the foundation for broader engineering teams. Ensure scalability, extensibility, and long-term maintainability. Lead Orchestration & Routing Strategy Define the technical vision for orchestration services, model routing (edge-to-cloud … pipelines. Enable continuous performance evaluation and optimization. Mentor and Grow the Team Lead architectural decision-making within the squad. Conduct code reviews and establish engineering best practices. Mentor engineers and elevate system design standards. Shape the Technical Roadmap Contribute to planning cycles and long-term architectural strategy. Identify technical ...

role in ensuring our solutions are robust, well-integrated, and tailored to our customers' needs, all while collaborating closely with Sales, Product, and Engineering in a hybrid environment that values flexibility and connection. What you'll do: You will work mostly on post-sales operations. Work closely with … create a repeatable playbook, incorporating learnings, frameworks, and best practices to support our growth. Who you are: Over 5 years of experience in software engineering within the payments or fintech space A passion for precision in scoping implementations or migrations, and excelling in negotiations with strategic thinking, patience ...

Software Engineer - Backend London (Occasional travel) Salary: Up to £85k + Benefits An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital solutions. This is an opportunity to shape greenfield projects … What will I be doing? Lead the technical vision and architectural direction across complex backend systems, ensuring scalability, reliability, and performance. Partner closely with engineering leadership to define best practices, coding standards, and long-term technical strategy. Design, develop, and oversee the delivery of robust, production-grade software ...

full life cycle delivery of the project in both technical compliance and quality. Attending meetings with clients to discuss the design, surveys, software programming, configuration, testing and commissioning for projects. As a Controls Systems Intergration Engineer, you will bring an innovative approach to problem solving, you will be working … includes UK site commissioning (which may involve short periods away from home). What we require from you: Previous control system experience ( 2 years+ ) Software Engineering Degree and/or Electrical qualifications Experience with Allen Bradley, Siemens Mitsubishi PLC's or experience of SCADA systems like Wonderware, Iconics ...

features Mentor engineers and shape team practices Drive architecture and integration decisions across multiple services Team Environment: Distributed across UK & Poland Key stakeholders: Architect, Engineering leadership, Delivery, Commercial team Hybrid environment with flexible UK/EU remote options; Holborn office optional Required Skills & Experience Must-have: Node.js/TypeScript … also fine) System design & architecture experience Integration-heavy environments Previous HubSpot experience essential Priority Skills: Mentorship, leadership, and architecture thinking Collaboration with product and engineering stakeholders Scaling complex backend systems Nice-to-have: DevOps/SRE awareness High-scale platforms (gaming, sports, fintech, marketplaces) Experience with complex workflows ...

take ownership of your work from concept to release, write clean and maintainable code, participate in code reviews, and help drive consistent engineering standards across the team. You'll also diagnose and resolve complex issues, contribute to architectural decisions, and play an active role in shaping the evolution ...

looking to engage a Senior Python Developer to support the build-out of advanced data-driven applications and analytical tools.This is a hands-on engineering role working at the intersection of data, analytics and front-office stakeholders. You will be responsible for building clean, modular Python applications, manipulating complex … object-oriented programming skills Deep experience with pandas and numpy for data manipulation Experience with virtual environments, dependency management and packaging Strong understanding of software engineering best practices including Git, unit testing (pytest), documentation and code quality tools Experience building data-driven applications in a commercial environment. ...

looking to engage a Senior Python Developer to support the build-out of advanced data-driven applications and analytical tools.This is a hands-on engineering role working at the intersection of data, analytics and front-office stakeholders. You will be responsible for building clean, modular Python applications, manipulating complex … object-oriented programming skills Deep experience with pandas and numpy for data manipulation Experience with virtual environments, dependency management and packaging Strong understanding of software engineering best practices including Git, unit testing (pytest), documentation and code quality tools Experience building data-driven applications in a commercial environment. ...

Senior Software Engineer | Hybrid | London We are hiring for an innovative analytics software company powering global credit investment is expanding its engineering team and looking for a Senior Software Engineer to help shape its next generation of data products. This is a unique opportunity to influence … financial institutions. The role involves building and scaling backend systems in Node.js and Python, deploying on AWS (Lambda, DynamoDB, PostgreSQL), and collaborating closely across engineering, product, and customer teams. 💼 Ideal Candidate: Proven experience with backend/fullstack development using Node.js , Python , and AWS serverless architecture Strong database design skills ...

Thames We are djr or Daniel James Resourcing, but no one calls us that. Were the tech talent partners powering the next generation of software engineering and digital delivery teams across the Microsoft ecosystem - . NET, Azure, DevOps, Product, Data and beyond. From global automotive brands to fast … youll actually do This is full 360 recruitment - youll be right at the centre of both client and candidate relationships. Youll: Build relationships with software engineers, product specialists, and delivery experts across the UK and Europe. Win new business with forward-thinking tech clients - from start-ups to enterprise ...

Backend Software Engineer - Core Business Systems (CBS) STS Digital (www.stsdigital.io) is a leading regulated digital asset trading firm specialising in OTC trading and market making. While trading is headquartered in Bermuda, technology development is provided by a global engineering team. We are seeking a Backend Software Engineer … business, including accounting, reporting, treasury automation, and trade lifecycle management. The engineer will work closely with the CBS Team Lead and other engineering teams to deliver reliable, auditable, and scalable backend services. Primary Responsibilities: Design, implement, test, deploy, and maintain backend services supporting core business operations. Develop and enhance ...

Senior Software Engineer Salary: £75k-£110k (plus attractive bonus on top) Location: London or Leeds (relaxed about hybrid or remote working, if preferred) My client is a specialist provider of sports pricing and trading technology, developing advanced simulation-based models and risk tools that underpin the performance of major … sports brands. Role Overview Were looking for a Senior Software Engineer to join the Modelling & Data Engineering group at a rapidly expanding sports-technology business. This is a hands-on role in a fast-moving environment where youll help shape new modelling tools, improve existing systems, and contribute ...

Contact Centre/Amazon Connect - Software Engineer Amazon LEX engineer. Contract | 12 months | Hybrid (UK‐based) Up to £700 per day Inside IR35 We’re partnering with a major UK enterprise expanding its AWS Contact Centre engineering capability. The team is building new features and services across multiple … Amazon Connect instances and needs hands‐on Senior Software Engineers who can design, build and support scalable, production‐grade solutions. This role is fully engineering‐focused — not an architect position . You’ll be coding daily, working with Amazon Connect, Lex, Lambdas and modern TypeScript/Python across ...

number of candidates may make applications for this position, so make sure to send your CV and application through as soon as possible. Senior Software Engineer - C#, .Net, TypeScript, JavaScript Hybrid, 2 days in the office which is located near Liverpool Street £70,000 - £90,000 If you enjoy … solving complex engineering problems, learning from highly capable peers, and working on a product where your contribution genuinely matters, this is an opportunity to do exactly that.We're hiring for a growing, well-funded SaaS business building a sophisticated, data-driven platform that helps organisations understand and manage complex ...

Manchester (Hybrid 2 Days On-Site Weekly Average) Salary: £100,000 - £120,000 We are looking for a DevOps Consultant with a blend of software engineering, cloud, and infrastructure experience. Youll support the build, improvement, and automation of our AWS-based systems, working across development, operations, and cloud ...

543.48 GBP/day on Inside IR35 on Umbrella We are urgently seeking a highly technical Test Lead to parachute into a fast-paced Software Engineering team. If you thrive in containerized environments and excel at pushing systems to their limits, we want to hear from you. ...

Type: 12 months contract Holiday Entitlement: 33 days About the Role: We are looking for a talented Cloud Platform Engineer to join our dynamic Software Engineering team. In this role, you will design, build, test, and deploy cloud application solutions that integrate cloud and non-cloud infrastructure. ...

Software Engineer (Core Java) - Low-Latency Financial Trading! Salary: £70,000 - £90,000 + bonus + benefits Location: 3 days onsite, City of London Looking to enter the fast-paced environment of financial trading? Do you have experience working in Core Java, high-throughput environments? This role is your ...

foundations as products, platforms, and teams scale. You will play a key role in transforming machine learning prototypes into reliable production systems, defining pragmatic engineering standards, and enabling fast, safe delivery of ML-powered capabilities. The role combines hands-on engineering, architectural ownership, and close collaboration with engineering … reliability, observability, security, and performance across ML systems Automate infrastructure provisioning, deployments, and environment management using cloud-native tooling Partner closely with ML engineers, software engineers, and product teams to deliver ML features end-to-end Act as a technical leader through design reviews, mentorship, and by establishing engineering ...

Senior Software Engineer - Python - London Salary: Up to £90,000 Location: Hybrid 2 days per week in Canary Wharf (E14) Contract: Permanent, Full Time Interviews: WC 9th February Agency Partner: dcoded The Business dcoded are partnering with a high-growth Real-Time Data SaaS business based in London, operating … intensive platforms that ingest and process real-time data at scale, supporting: The business is entering a significant growth phase and is expanding its engineering team. The Role We are hiring a Senior Software Engineer to work on external, customer-facing SaaS platforms not internal IT systems. This ...

This role is ideal for someone who thrives in building modern data platforms, enabling high‐quality data pipelines, and collaborating closely with Data Science, Engineering, and Product teams to deliver scalable data solutions. The successful candidate will play a key role in designing, developing, and maintaining the data infrastructure … design and deploy data solutions. Implement data quality rules, validation processes, and observability tooling. Collaborate closely with Data Scientists, Analysts, and Software Engineers to deliver high‐impact projects. Contribute to the evolution of the data architecture , including modernising legacy systems. Support CI/CD, Infrastructure‐as‐Code, and best ...