126 to 150 of 741 Software Engineering Jobs in the City of London

native microservices and modern web apps? If that sounds like you — keep reading About the Role Our client, a successful Public Affairs company are looking for a Mid-Level Software Engineer to join their talented engineering team to work on a mix of greenfield development and legacy systems. You’ll get to make an impact from day one … search algorithms and explore LLM-based features You will play a key role in advancing their microservices-based, event-driven architecture. What you’ll bring: 3+ years of commercial software engineering experience with Python (FastAPI/Flask) and React. Experience with cloud platforms (GCP/AWS/Azure) and Elasticsearch. Familiarity with CI/CD and infrastructure-as More ❯

/Node.js) £150,000–£170,000 + Equity | Hybrid – 3 days in London We’re helping a VC-backed SaaS scaleup reinvent how organisations manage and approve spend, from software requests to supplier onboarding, and they’re gearing up for serious growth. With enterprise clients already on board and revenue climbing, they’re looking for an outstanding Principal Engineer … the architecture and scalability of a modern, cloud-native, no-code platform Build features from scratch and own them through deployment and user impact Work with a high-trust engineering culture where product ownership is real, not buzzwords Ship fast — multiple times a day — thanks to a rock-solid CI/CD setup Collaborate closely with product, design, and … day) using their robust CI/CD pipelines. Mentor other engineers and help grow a high-performance, high-trust team. What we’re looking for: 6–10+ years in software engineering (open to exceptional candidates outside this range) Proven full-stack ability with TypeScript, React, and Node.js Experience with AWS serverless technologies Passion for delivering excellent products at More ❯

/Node.js) £150,000–£170,000 + Equity | Hybrid – 3 days in London We’re helping a VC-backed SaaS scaleup reinvent how organisations manage and approve spend, from software requests to supplier onboarding, and they’re gearing up for serious growth. With enterprise clients already on board and revenue climbing, they’re looking for an outstanding Principal Engineer … the architecture and scalability of a modern, cloud-native, no-code platform Build features from scratch and own them through deployment and user impact Work with a high-trust engineering culture where product ownership is real, not buzzwords Ship fast — multiple times a day — thanks to a rock-solid CI/CD setup Collaborate closely with product, design, and … day) using their robust CI/CD pipelines. Mentor other engineers and help grow a high-performance, high-trust team. What we’re looking for: 6–10+ years in software engineering (open to exceptional candidates outside this range) Proven full-stack ability with TypeScript, React, and Node.js Experience with AWS serverless technologies Passion for delivering excellent products at More ❯

Head of Integrations SaaS/Software A fantastic opportunity has arisen for a Head of Integrations to join a pioneering software company that is transforming how global enterprises leverage cutting-edge technologies. This innovative business, backed by top-tier investors and recognised among the worlds most promising AI companies, is expanding their technical team to support continued growth … based from the Cambridge office Salary: Negotiable basic salary + excellent benefits package Requirements for Head of Integrations Significant commercial experience in SaaS companies, in a role relating to Software Integrations into customers A strong academic history (2.1/1st top Uni, As at A Level etc) the management team is made up of some of the brightest minds … in AI (many with Ph.D.s from internationally leading Unis), so they need someone who can technically joust at this leve Proven track record in software development, system integrations, and creating developer resources such as APIs, SDKs, and technical documentation. Strong experience across Integrations, Full Stack Web Development, and Cloud Architecture Proficiency with one or more of the following technologies More ❯

join one of the largest integrated energy and commodity trading companies in the world. We are looking for a Senior Data Engineer with strong technical expertise in Databricks , data engineering , and cloud-native analytics platforms . You will contribute to the development and expansion of our global analytics platform —supporting Front Office Trading across commodities—by building scalable, secure … prepare ML-ready datasets and support the development of production-grade ML/AI pipelines. Implement and maintain CI/CD pipelines, testing frameworks, and observability tools for data engineering workflows. Contribute to MLOps practices, including model tracking, deployment, and monitoring using MLflow and Databricks tools. Participate in code reviews, data modeling sessions, and collaborative solutioning across cross-functional … and performance standards. Stay current with Databricks platform enhancements and cloud data technologies to apply best practices and recommend improvements. Skills and Experience BS/MS in Computer Science, Software Engineering, or equivalent technical discipline. 8+ years of hands-on experience building large-scale distributed data pipelines and architectures. Expert-level knowledge in Apache Spark, PySpark, and Databricks More ❯

join one of the largest integrated energy and commodity trading companies in the world. We are looking for a Senior Data Engineer with strong technical expertise in Databricks , data engineering , and cloud-native analytics platforms . You will contribute to the development and expansion of our global analytics platform —supporting Front Office Trading across commodities—by building scalable, secure … prepare ML-ready datasets and support the development of production-grade ML/AI pipelines. Implement and maintain CI/CD pipelines, testing frameworks, and observability tools for data engineering workflows. Contribute to MLOps practices, including model tracking, deployment, and monitoring using MLflow and Databricks tools. Participate in code reviews, data modeling sessions, and collaborative solutioning across cross-functional … and performance standards. Stay current with Databricks platform enhancements and cloud data technologies to apply best practices and recommend improvements. Skills and Experience BS/MS in Computer Science, Software Engineering, or equivalent technical discipline. 8+ years of hands-on experience building large-scale distributed data pipelines and architectures. Expert-level knowledge in Apache Spark, PySpark, and Databricks More ❯

their growing Investment Technology team. You’ll be: Building clean, scalable Python back-end systems Designing cloud-first solutions in AWS (Lambda, AppSync, DynamoDB) Collaborating with data, investment, and engineering teams Shaping best practices across CI/CD, DevOps, and agile development What we’re looking for: 5+ years’ experience in software engineering (3+ in Python) Needs … to have experience within financial services, fintech, or investment tech! Strong AWS and data engineering experience Solid understanding of APIs, SQL/NoSQL, and modern software design A problem-solver who enjoys working closely with the business If you’re a Python engineer who loves solving complex data challenges in a collaborative, cloud-first environment — drop me a More ❯

their growing Investment Technology team. You’ll be: Building clean, scalable Python back-end systems Designing cloud-first solutions in AWS (Lambda, AppSync, DynamoDB) Collaborating with data, investment, and engineering teams Shaping best practices across CI/CD, DevOps, and agile development What we’re looking for: 5+ years’ experience in software engineering (3+ in Python) Needs … to have experience within financial services, fintech, or investment tech! Strong AWS and data engineering experience Solid understanding of APIs, SQL/NoSQL, and modern software design A problem-solver who enjoys working closely with the business If you’re a Python engineer who loves solving complex data challenges in a collaborative, cloud-first environment — drop me a More ❯

Job title: Engineering Manager Job type: Contract (B2B) Contract Length: 6-12 months Rate: £700-£800 per day inside IR35 (depending on experience) Role Location: London, UK (3 days a week onsite) The company: A leading household brand with over 5000 employees across the UK Role and Responsibilities : Signify have partnered up with a UK household brand with an … exceptionally large user base to work on a digital transformation project. As an Engineering Manager, you will stay close to the codebase and help scale a new small engineering team of 4 engineers to begin with. Job Requirements : Over 8 years experience in software engineering Experience with Scala and Javascript projects AWS is nice to have More ❯

Job title: Engineering Manager Job type: Contract (B2B) Contract Length: 6-12 months Rate: £700-£800 per day inside IR35 (depending on experience) Role Location: London, UK (3 days a week onsite) The company: A leading household brand with over 5000 employees across the UK Role and Responsibilities : Signify have partnered up with a UK household brand with an … exceptionally large user base to work on a digital transformation project. As an Engineering Manager, you will stay close to the codebase and help scale a new small engineering team of 4 engineers to begin with. Job Requirements : Over 8 years experience in software engineering Experience with Scala and Javascript projects AWS is nice to have More ❯

Senior Software Engineer (React/Node) £Up to £85k Hybrid working in London (Holborn) Would you like the opportunity to work for a growing organisation in the tech for good space, currently looking for a Senior Fullstack (React/Node) Engineer? You will be joining a dynamic product team, where you will be building great software and having … a direct impact on the environment for the better. The ideal candidate has a solid grasp of software Engineering principles and can lead projects from end to end. You will get the opportunity to work across the entire stack and will play a crucial role in evolving their platform. Core requirements: Commercial experience with their stack TypeScript, React … Next.js and Node.js Strong expertise in designing and maintaining scalable, high-performance web applications A good understanding of databases Experience using Jest and Cypress If you’re a Senior Software Engineer (React/Node) looking to work in a tech for good organisation, please apply. More ❯

ability in Python (or equivalent), with familiarity across cloud platforms (AWS, Azure, or GCP). Understanding of database technologies (SQL and NoSQL). Experience with CI/CD pipelines, software engineering best practice, and modern development workflows. Excellent communication and interpersonal skills — able to influence, advise, and collaborate effectively. Evidence of ongoing professional development and a passion for More ❯

ability in Python (or equivalent), with familiarity across cloud platforms (AWS, Azure, or GCP). Understanding of database technologies (SQL and NoSQL). Experience with CI/CD pipelines, software engineering best practice, and modern development workflows. Excellent communication and interpersonal skills — able to influence, advise, and collaborate effectively. Evidence of ongoing professional development and a passion for More ❯

We're looking for a Senior/Principal Full-Stack Software Engineer to join our clients growing team. This is a high-impact role where you will shape our technical foundation, influence product direction, and help us scale. You'll work closely with cross-functional teams and leadership, including the CEO, to align long-term strategy, product vision, and More ❯

We're looking for a Senior/Principal Full-Stack Software Engineer to join our clients growing team. This is a high-impact role where you will shape our technical foundation, influence product direction, and help us scale. You'll work closely with cross-functional teams and leadership, including the CEO, to align long-term strategy, product vision, and More ❯

AI & Robotics Software Engineer – Greenfield Projects | Remote (UK-based) About the Company Join a rapidly growing AI robotics company that’s redefining automation in the pharmaceutical and chemical industries. About two years into their journey, the team has developed a flagship robotic arm used in cutting-edge lab environments — and now they’re expanding their software and AI … next level. You’ll be joining at a pivotal stage as they move from early prototypes to production-ready systems. Expect to work across the full stack of robotics software — from control logic to cloud orchestration — and see your code power real, physical robots. The Opportunity This role sits at the intersection of AI, robotics, and full-stack software engineering . You’ll be building out core systems that enable intelligent control, simulation, and orchestration of robotic arms used in live chemical manufacturing settings. The work is greenfield and highly varied — ideal for engineers who love problem-solving, experimenting, and bringing ideas to life from concept through to real-world deployment. What You’ll Be Doing Designing More ❯

Software and Senior Software Engineers – Microsoft Dynamics/Cloud/Integrations - Hybrid/London (2-3 days per week)- up to £90k + Bonus and Benefits We’re exclusively recruiting for a Fortune 200 global technology solutions provider that helps some of the world’s most recognised brands design, build, implement, and manage complex IT infrastructure. They’re … an industry leader in enterprise technology, holding top-level accreditations with Microsoft, Cisco, Dell, HP, AWS, and many more. We’re looking for Software Engineers and Senior Software Engineers to join the team as they build modern, scalable software systems supporting enterprise-level digital transformation across international operations. What you’ll do Build, maintain, and enhance large More ❯

architecture and integration to performance optimisation Collaborate with customers and stakeholders to understand operational constraints and align on solution design Mentor junior engineers and shape internal technical standards for software quality, reliability, and reproducibility Support the continuous improvement of delivery practices, internal tooling, and knowledge sharing across teams What We’re Looking For Strong software engineering skills … Practical experience working with cloud infrastructure (e.g., AWS, Azure, GCP) and a good understanding of architecture, security, and scaling Hands-on experience with Docker and Kubernetes in real-world engineering workflows Solid grasp of ML fundamentals: supervised/unsupervised learning, statistical modelling, evaluation A pragmatic approach to engineering capable of balancing speed, risk, and delivery in complex environments More ❯

architecture and integration to performance optimisation Collaborate with customers and stakeholders to understand operational constraints and align on solution design Mentor junior engineers and shape internal technical standards for software quality, reliability, and reproducibility Support the continuous improvement of delivery practices, internal tooling, and knowledge sharing across teams What We’re Looking For Strong software engineering skills … Practical experience working with cloud infrastructure (e.g., AWS, Azure, GCP) and a good understanding of architecture, security, and scaling Hands-on experience with Docker and Kubernetes in real-world engineering workflows Solid grasp of ML fundamentals: supervised/unsupervised learning, statistical modelling, evaluation A pragmatic approach to engineering capable of balancing speed, risk, and delivery in complex environments More ❯

Espire Infolabs is hiring for Front End Developer(React.js) for London, UK location. Role : Front End Developer(React.js) Location: London, UK(3 Days/Week onsite) Desired Industry Experience: 5+ years Relevant Experience: React.Js, Typescript, Azure Job Description: Proven experience More ❯

Java Engineer A fast-growing loyalty & rewards company helping brands create deeper, data-driven relationships with their customers seek skilled Java Engineers to help design and deliver cutting-edge Microservices powering next-generation loyalty experiences. What You’ll Do Design More ❯

Job Opportunity: Backend .NET Developer Contract Type: Permanent Location: London – On-site full-time Salary: £90,000–£95,000 DOE We’re working with a privately held group with a strong presence in the commercial property sector, known for delivering More ❯

Job Opportunity: Backend .NET Developer Contract Type: Permanent Location: London – On-site full-time Salary: £90,000–£95,000 DOE We’re working with a privately held group with a strong presence in the commercial property sector, known for delivering More ❯

We are partnering with an early-stage, mission-driven company at the intersection of AI and national defence to appoint exceptional Full Stack Software Engineers . This fast-growing organisation is transforming mission-critical combat planning and operational decision-making by building next-generation AI-driven software tools for western forces. Founded in 2023, the company has already … a $10m Seed round in 2024. The founding team is composed of ex-Palantir and ex-Open AI leaders. They combine deep sector knowledge with cutting-edge design and software engineering expertise to deliver state-of-the-art SaaS capabilities leveraging NLP, Generative AI, and reinforcement learning technologies. Position location (hybrid): London (Shoreditch) or Paris (Le Marais) We … as a hands-on individual contributor and problem-solver Requirements Degree in Computer Science or a related field, or equivalent experience 5+ years of experience working with cross-functional software development teams Experience shipping and iterating on production-grade software components professionally and/or in the open-source community Ability to write robust, well tested, and well More ❯

We are partnering with an early-stage, mission-driven company at the intersection of AI and national defence to appoint exceptional Full Stack Software Engineers . This fast-growing organisation is transforming mission-critical combat planning and operational decision-making by building next-generation AI-driven software tools for western forces. Founded in 2023, the company has already … a $10m Seed round in 2024. The founding team is composed of ex-Palantir and ex-Open AI leaders. They combine deep sector knowledge with cutting-edge design and software engineering expertise to deliver state-of-the-art SaaS capabilities leveraging NLP, Generative AI, and reinforcement learning technologies. Position location (hybrid): London (Shoreditch) or Paris (Le Marais) We … as a hands-on individual contributor and problem-solver Requirements Degree in Computer Science or a related field, or equivalent experience 5+ years of experience working with cross-functional software development teams Experience shipping and iterating on production-grade software components professionally and/or in the open-source community Ability to write robust, well tested, and well More ❯