376 to 400 of 662 Software Engineering Jobs in London

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 Location: London - Hybrid Salary: £70,000-85,000 Tech stack: Typescript & Node.js Maxwell Bond have partnered with a leading SaaS business who are looking for a Senior Software Engineer, with a focus on frontend development, to join their team. You'll work … largest complex platforms for an enterprise client, being hands-on throughout the full software development lifecycle. What you'll do as Senior Software Engineer: Design, build and maintain full stack development for an enterprise platform, taking ownership from initial design through to production. Work with modern tech stack ...

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 ...

This role is greenfield and will allow you to shape the build out of this business function. What else is in it for you? • Software Engineers are treated as the company's #1 asset • Low attrition rate; people working there love what they do on a daily basis! • Very ...

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 ...

Software Engineer - C++ Title : Software Engineer - C++ Company : Elite Software House Location : Remote (London office) Salary : £80,000 - £115,000 Skills : C++, Algorithms, Boost Overview : Are you someone that thinks that writing slick, classy C++ code can and should be an art? Would you like … part of an internationally recognised team of C++ experts led by the brightest C++ minds in the world? An elite software house are looking for the top 1% of engineers of all levels to come on board as they continue to develop beautiful algorithms which power business decisions ...

+ Benefits Clearance: Active SC clearance required We’re looking for a Senior DevOps Engineer with active SC clearance to join a high-impact engineering team working on secure, mission-critical systems. You’ll be operating in a modern, cloud-native environment with a strong focus on AWS, Kubernetes … automation, and engineering excellence. This is a hands-on role where you’ll shape the platform, not just maintain it. What you’ll be doing Designing, building, and operating secure AWS-based platforms Building and running Kubernetes clusters and containerised workloads Driving an automation-first approach across infrastructure ...

+ Benefits Clearance:Active SC clearance required We’re looking for a Senior DevOps Engineer with active SC clearance to join a high-impact engineering team working on secure, mission-critical systems. You’ll be operating in a modern, cloud-native environment with a strong focus on AWS, Kubernetes … automation, and engineering excellence. This is a hands-on role where you’ll shape the platform, not just maintain it. What you’ll be doing Designing, building, and operating secure AWS-based platforms Building and running Kubernetes clusters and containerised workloads Driving an automation-first approach across infrastructure ...

Our client is the leader in their field and with pipeline opportunities that would enable them to double their revenue by the end of 2028. To support this, they are in the early stages of ...

Location : Hybrid UK Contract Type: Permanent Hours : Full time Salary : Competitive COMPANY OVERVIEW MOBKOI is a fast-growing mobile company headquartered in London, with offices across central Europe, US and Asia. We use the latest ...

joining the Agent team - a small, high-calibre group building the systems and tooling that actually makes agents work in production. This is engineering embedded in research - the model team trains the models; the agent team builds everything around them. What you'll do Build and improve agent logic … turn ideas into production-ready agent behaviour Iterate quickly, experiment often, and own problems end-to-end What you'll need Senior-level engineering experience from a high-bar environment (top AI lab, scale-up, or Big Tech) Strong software engineering fundamentals and system design skills Interest ...