401 to 425 of 502 Full Stack Engineer Jobs in London

44k - £60k per annum Estimated Full-time Mindgard Canary Wharf, Greater London Mindgard is a London-based startup specializing in AI security. We've spun-out from a leading UK university, and our mission is to secure the future of AI against cyber attacks targeting Deep Learning, GenAI, and LLMs. This is an unsolved challenge globally, and we … capabilities across SaaS Webapps, to integrations that protect customer systems, to internal tooling that powers our AI threat intelligence. We use a variety of tooling across the tech stack, including Python, TypeScript, Postgres, Kubernetes, Docker, Terraform, Azure. In this role you'll be: Building, testing, and continuously delivering small,high qualitychangesto production. Pair programming with others on the … values. Curious-always looking for ways to improve our tech and product for customers. Mission-driven-care deeply about helping people use AI safely. Comfortable working across the stack as part of a small startup team. Competent coding with Python, TypeScript, or a similar language. Collaborative-comfortable working together to build quality fast (e.g. pair programming). Experienced More ❯

Senior Platform Engineer (AWS EKS Terraform ArgoCD) London/WFH to £105k Are you a cloud AWS platform technologist? You could be progressing your career, in a senior, hands-on leadership role at a technology driven market research company that is scaling rapidly, whilst enjoying hybrid working and a huge range of perks and benefits. As a Senior … Platform Engineer you'll collaborate with a small team to ensure the stability, scalability and security of the platform infrastructure, taking a lead role in re-engineering and delivering improvements including optimising CI/CD pipelines and automating AWS/EKS infrastructure with Terraform and Pulumi. You'll work across the full lifecycle with responsibility for … WFH: You'll join the team twice a week in the London office with flexibility to work from home. About you: You have experience in a similar Platform Engineer/DevOps role You have strong AWS, EKS, Terraform and ArgoCD skills and experience You have a good knowledge of other technology in the stack: Linux, Kubernetes More ❯

About this Role As a Software engineer, AI retrieval, you will be responsible for designing, implementing, and optimizing the AI retrieval systems that power our platform. You'll work closely with our data scientists, product managers, and other engineers to ensure that our AI models are integrated seamlessly into our applications, providing fast and accurate results. This role … methodologies, including unit testing with pytest, mocking, and integration testing. Versioning : Familiar with semantic versioning and maintaining changelogs to track changes and updates. Data structures : Proficient in using stack, queue, and priority queue data structures (via collections) to manage and process data efficiently. Functional programming : Experienced in functional programming concepts such as map, filter, reduce, generators, and decorators. … services : Experience with cloud platforms like AWS, GCP, or Azure. Open source contributions : Contributions to open-source projects or a strong portfolio of personal projects. Benefits & perks (UK full-time employees): Generous PTO, plus company holidays Comprehensive medical and dental insurance Paid parental leave for all parents (12 weeks) Fertility and family planning support Early-detection cancer testing More ❯

across the business, we are in this together! The way to thrive and shine within Starling is to be a self-driven individual and be able to take full ownership of everything around you: From building things, designing, discovering, to sharing knowledge with your colleagues and making sure all processes are efficient and productive to deliver the best … the office a minimum of 1 day per week. Our Engineering Environment Starling engineers are excited about helping us deliver new features, regardless of what their primary tech stack may be. Hear from the team in our latest blogs or our case studies with Women in Tech . We are looking for engineers at all levels to join … critical projects, and develop your skills in a rapidly evolving FinTech environment. You'll gain hands-on experience with Java, AWS, Postgres and other parts of our tech stack and have the chance to make a real impact on our security and customer experience. We're committed to your growth and will provide mentorship and support to help More ❯

Principal Embedded Systems Engineer London, England, United Kingdom Full time About the job What is Motif? Motif is a medical device startup based in Houston, Texas. We are designing and developing minimally invasive electronic solutions for serious mental health conditions. Powered by our patent-pending methods for wireless power and data transmission, our goal is to … people with mental health disorders. W e are an early-stage startup with funding from venture capital firms, grants, and private angel and founder investments. Motif's technology stack consists of a small implant that is wirelessly powered via magnetic fields from an external wearable transmitter, configured and controlled from a programming interface. It delivers novel stimulation therapy … considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran status, disability status, or any other protected class status. for regular full-time, exempt, salaried US employees Please click here to apply. Tagged as: ARM Cortex-M medical device job , BLE firmware developer medical , embedded firmware engineer healthcare , embedded More ❯

across the business, we are in this together! The way to thrive and shine within Starling is to be a self-driven individual and be able to take full ownership of everything around you: From building things, designing, discovering, to sharing knowledge with your colleagues and making sure all processes are efficient and productive to deliver the best … the office a minimum of 1 day per week. Our Engineering Environment Starling engineers are excited about helping us deliver new features, regardless of what their primary tech stack may be. Hear from the team in our latest blogs or our case studies with Women in Tech . We are looking for engineers at all levels to join … promote maintainable and extensible software, automated testing and Continuous Integration & Delivery. Experience on distributed systems with a focus on resiliency and maintainability is highly valued. Our Core Tech Stack The following technologies form the foundation of our platform. While expertise in all areas is not required, experience with them is a plus: Java, primary language for our backend More ❯

The Role Work with a small team of experienced and highly talented developers in an environment with cutting-edge technologies. Work closely with Product, Design, and Analysis, taking full responsibility and ownership from conception to post-deployment in a fast-paced, collaborative environment. Data Analysis and Insights - Analyze user behavior, market trends, and performance metrics to identify growth … performance, and communicate findings to stakeholders. User Experience Enhancement - Identify areas for improvement in the user experience and implement strategies to increase user engagement and conversion rates. Our Stack - React.JS, Redux, Node.js, Ruby on Rails, AWS, Elastic Search, Redis, MySQL Your Experience & Skills 6+ years of proven experience. Experience building web applications from scratch in a production environment … tackling complex engineering problems at a great scale. We're accountable for bringing the company's vision to life by navigating our progress into flawless execution and encouraging full ownership and independence in all projects. More ❯

prioritizing security, reliability, and user-centric solutions, we empower OpenAI employees to drive impactful AI research, corporate operations, and product innovation. About the Role As a Network Security Engineer at OpenAI, you will play a critical role in architecting and maintaining both campus and cloud network infrastructure. You will design and implement secure, scalable, and high-performing network … Strong Routing and Switching experience including routing protocols (BGP, OSPF and MPLS) Experience with Network monitoring tools/protocols and logging pipelines like SNMP, Syslog, Netflow, Elasticsearch (ELK Stack) and Grafana Strong understanding of network security principles including ACLs, Firewalls, VPN, 802.1x authentication, profiling and RBAC Proficiency in a modern programming language (Python, Golang, Ruby, etc.) Strong knowledge … with safety and human needs at its core, and to achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity. We are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status More ❯

DevOps Engineer (DV Security Clearance) Position Description CGI's Space, Defence, and Intelligence business unit is dedicated to delivering cutting-edge technical solutions that address the most complex challenges faced by government. Our mission-critical systems are custom-built to ensure security, reliability, and innovation, helping our clients protect the nation and its people. We are currently seeking … a DevOps Engineer to join our Secure Innovation & Advisory team, working collaboratively with clients to deliver impactful solutions. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named one of the 'World's Best Employers' by Forbes magazine. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme … onsite attendance at the specified location(s) will be required for secure system access. Your future duties and responsibilities • Design, implement, and maintain secure cloud environments through the full development lifecycle, from development to production. • Be adaptable and pragmatic in the face of unique challenges, with the ability to pivot quickly as requirements and technologies evolve. • Foster collaboration More ❯

Highlights: Senior/Lead Engineer, deep involvement in product (we don't have PMs), work directly with the founders of a series A food tech company, significant stock options, build and manage a world class engineering team, full-autonomy on technical roadmap, best ideas win: no politics, just build, leverage AI across all areas of the … people and we're a profitable business, our engineering team still young and small. You will be joining a team of three (including you). One Junior Engineer and one incredible AI/Data Science Engineer. As our first Senior/Lead Engineer, you will be an integral part of the management team, working side by … side with the founders and ourAI/Data Science Engineer. You will have full autonomy to build the team as you see fit, support our product roadmap and define our technical roadmap. We will allocate all the resources you need to building the team and staying at the forefront of technological innovation in the food space. The role More ❯

Principal Test Engineer Automation and Innovation Centre - Home Office - G6 National £73,900 London £77.900 plus up to £21,700 skills allowance Published on Full-time (Permanent) National £73,900 London £77.900 plus up to £21,700 skills allowance Published on 3 July 2025 Deadline 10 July 2025 Location Croydon CR0 2WF , Manchester M5 3LZ , Sheffield … a future-ready Home Office where innovation delivers daily impact. Ready to use cutting-edge technology to transform millions of lives across the UK? As the Principal Test Engineer for the Automation and Innovation Portfolio, you'll be critical to delivering testing, quality engineering, assurance and maturing the quality of our engineering practice. This will particularly excite you … making. Making the QAT practice thrive by exploiting new and emerging tools and approaches and using these to help the organisation deliver better services. As a Principal Test Engineer, you will have experience of: Selecting and deploying a broad range of tools and test automation techniques including Open-Source technologies and object-orientated design, programming languages such as More ❯

Lead QA Engineer Department: Tech Hub Employment Type: Full Time Location: London Description Contract type: Permanent Hours: Full Time, 37.5 hours per week Salary: circa £67,000 depending on experience Location: Canary Wharf, London WFH policy: Employees are required to attend the office 2 days/week Flexible working : Variety of flexible work patterns … Deadline Note: We reserve the right to close the advert before the advertised deadline if there are a high volume of applications. Role Summary: As the Lead QA Engineer, you will be responsible for establishing and leading the overall testing framework and processes to ensure the resilience and quality of our systems. You will play a critical role … Criteria: Participate in estimation and planning sessions, defining and creating acceptance test criteria at a domain level. Automation Framework Design: Collaborate in designing the architecture, model, and tech stack for the automation framework. Shift Left Implementation: Work alongside the Technology governance area to define and implement the Shift Left approach, ensuring early involvement in testing throughout the development More ❯

across the business, we are in this together! The way to thrive and shine within Starling is to be a self-driven individual and be able to take full ownership of everything around you: From building things, designing, discovering, to sharing knowledge with your colleagues and making sure all processes are efficient and productive to deliver the best … the office a minimum of 1 day per week. Our Engineering Environment Starling engineers are excited about helping us deliver new features, regardless of what their primary tech stack may be. Hear from the team in our latest blogs or our case studies with Women in Tech . We are looking for engineers at all levels to join … critical projects, and develop your skills in a rapidly evolving FinTech environment. You'll gain hands-on experience with Java, AWS, Postgres and other parts of our tech stack and have the chance to make a real impact on our security and customer experience. We're committed to your growth and will provide mentorship and support to help More ❯

Marvel, Star Wars, Hulu, ESPN, NatGeo, and ABC News content from one of the most popular streaming devices on the market. Job Summary: We're seeking a Software Engineer II for the Roku Client Application Engineering Team, where you'll be part of the team that builds our Disney+ Direct-to-Consumer client app on Roku streaming devices … and smart TVs. We're looking for an engineer who, ideally, has experience in BrightScript, SceneGraph, and is ready to write client apps that provide the best experiences for our viewers. Responsibilities and Duties of the Role: Be a critical member of a team of engineers responsible for building our client app experiences in BrightScript, using the Roku … engineering, services engineering teams and product owners to help understand and communicate requirements and device limitations. Basic Qualifications: 3+ years of development experience with a client-side development stack, ideally with some BrightScript experience. Experience with MVVM (Model-View-ViewModel) architecture. Under the guidance of more senior engineers, candidates will be expected to be proficient in the use More ❯

across the business, we are in this together! The way to thrive and shine within Starling is to be a self-driven individual and be able to take full ownership of everything around you: From building things, designing, discovering, to sharing knowledge with your colleagues and making sure all processes are efficient and productive to deliver the best … the office a minimum of 1 day per week. Our Engineering Environment Starling engineers are excited about helping us deliver new features, regardless of what their primary tech stack may be. Hear from the team in our latest blogs or our case studies with Women in Tech . We are looking for engineers at all levels to join … are looking for people who want to work on building the tooling that is used by our engineers on a daily basis. The main part of our Tech Stack is listed below, we don't ask that you have experience in all of this, but if you do, that's great! Java, which makes up the majority of More ❯

of developers and data scientists on a diverse range of projects primarily in the Life Sciences, but could be across multiple industries. Youll work with the typical LLM stack, including frameworks and tools for fine-tuning, deploying, and integrating large language models, and leverage cloud platforms such as AWS and Azure to design, develop and deploy production-grade … you: You have at least 1 work year of work experience You are available to start within the next 1 month or at the earliest convenience. You have full UK right to work without dependency. Bachelor's degree in a STEM related field. Strong experience with Python. Strong SQL experience. Strong experience with managing projects using GitHub with More ❯

approach works at scale, with over £800 million lent to-date. While other lenders only look at your credit score, we use Open Banking to look at the full picture - what you earn, how you spend, and what's left at the end. On the B2B side, we have Render. Render is our award-winning software-as-a … them on-board to our platform, writing new monitoring queries to drive our alerting, or coordinating across multiple teams to manage the response to an incident. Our technology stack: AWS (including ECS and RDS), OpenTelemetry, NewRelic, Python, Postgres, Liquibase, Angular, Docker Who you are: Four or more years professional experience in a customer-facing technical support or engineering More ❯

re ready to see your impact and unlock incredible career growth opportunities, join us, and build real world value. THE WORK: We are looking for a Staff Software Engineer passionate about solving ambitious problems and working directly with Ripple Trading and Markets in the cross-border payments space. We are passionate about the growth of our engineers and … other partners. Continuing to support and complement Ripple's Payments, Custody and Stablecoin business units WHAT YOU'LL DO: Be an ambitious builder, working up and down the stack, mixing software engineering, data engineering, and distributed systems knowledge to build modern enterprise payment applications. Build reliable, high-throughput, low-latency microservices to power a diverse range of trading … Industry-leading parental leave policies. Family planning benefits. Catered lunches, fully-stocked kitchens with premium snacks/beverages, and plenty of fun events Benefits listed above are for full-time employees. Ripple is an Equal Opportunity Employer. We're committed to building a diverse and inclusive team. We do not discriminate against qualified employees or applicants because of More ❯

Under the leadership of the Chief Technology Officer, this London-based global insurance firm has launched a multi-year project to redevelop and modernize the full technology stack, encompassing pricing and other analytics, risk management, market data and trade capture and reporting. This project is nearing the end of phase one, which over the past year More ❯

Moving your career forward Our CEO, Angus spotted that many vans on the roads are half full or empty at any given time and so AnyVan was born in 2009 to create the world's most efficient technology logistics platform and help halve the number of miles driven. We've achieved incredible milestones since then, including securing the … a forward-thinking company to make moving 'miles better' and moving your career forward at the same time - we'd love to hear from you! Our innovative tech stack is a key part of how we can deliver a world class service at market beating prices. By intelligently matching customer's jobs to driver's availability, we can … re not against exploring other languages where appropriate, with other projects using Python and TypeScript. And of course, no scale up would be complete without a legacy PHP stack we're slowly migrating away from! Well, no-one's perfect We're looking for an Team Leader, with a strong technical background, who isn't afraid to own More ❯

Lead DevOps Engineer Azure | FinTech/Financial Services | Hybrid | UK-Based Salary: £90,000£110,000 + Bonus + Benefits Location: London or Leeds (Hybrid 1 day onsite per week) Job Type: Permanent | Full-time Sector: Technology/Cloud/DevOps Start Date: Immediate or negotiable Overview A leading financial services technology company is hiring a … Lead DevOps Engineer to take ownership of their Azure infrastructure and DevOps practices. This role is ideal for a senior DevOps professional who wants to lead from the front in a fast-moving FinTech environment, working on scalable, secure, cloud-native systems. Youll play a key role in designing and delivering infrastructure solutions that underpin critical applications across …/CD pipelines (Azure DevOps, GitHub Actions, etc.) Solid scripting skills (PowerShell and/or Bash) Financial services or FinTech background is a plus but not essential Tech Stack Includes: Microsoft Azure Terraform, Bicep, ARM templates Docker, Kubernetes (AKS) Azure DevOps, GitHub Actions Helm, Prometheus, Grafana, App Insights PowerShell, Bash Benefits Competitive base salary More ❯

Backend Developer/Software Engineer (Java 17 Kotlin AWS) London/WFH to £85k Are you a technologist Backend Developer with strong Java skills looking to progress your career, working with a modern cloud based infrastructure and a range of technology? You could be joining a hugely successful and growing commodities trading firm that specialise in trading silver … and gold. As a Backend Developer you'll collaborate with the Lead Engineer on the whiskey trading platform as the company looks to scale the platform and introduce new features. There's an emphasis on code quality; designing and developing highly complex web based trading platforms working across the full development lifecycle. The technology stack … have experience with Agile processes and TDD You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms Other tech in the stack includes Scala, React, Spring, Oracle, Redis, Kubernetes, Docker and Linux so previous exposure to any of these would be beneficial You're collaborative with good communication skills What's More ❯

They are an early-stage, Series A-funded food-tech startup on a mission to transform how people access high-quality food. Reducing the efficiencies in the restaurant engineer, and giving everyone access to high quality food, on demand. We're looking for a Senior/Lead Engineer who wants to do more than just code … the ground up. No PMs. No red tape. Just builders. This is a rare opportunity to work directly with the founders of a profitable, fast-scaling company, with full autonomy, significant equity, and a chance to apply AI in highly practical ways across our business. Role Overview You'll be the first Senior/Lead Engineer in a lean team that includes a Junior Engineer and a world-class AI/Data Science specialist. You will Architect and build the next generation of our platform Collaborate daily with the founders on strategic and product decisions Hands-on code, this role will involve a large portion of coding and architecting Scale a small More ❯

They are an early-stage, Series A-funded food-tech startup on a mission to transform how people access high-quality food. Reducing the efficiencies in the restaurant engineer, and giving everyone access to high quality food, on demand. We're looking for a Senior/Lead Engineer who wants to do more than just code … the ground up. No PMs. No red tape. Just builders. This is a rare opportunity to work directly with the founders of a profitable, fast-scaling company, with full autonomy, significant equity, and a chance to apply AI in highly practical ways across our business. Role Overview You'll be the first Senior/Lead Engineer in a lean team that includes a Junior Engineer and a world-class AI/Data Science specialist. You will Architect and build the next generation of our platform Collaborate daily with the founders on strategic and product decisions Hands-on code, this role will involve a large portion of coding and architecting Scale a small More ❯

They are an early-stage, Series A-funded food-tech startup on a mission to transform how people access high-quality food. Reducing the efficiencies in the restaurant engineer, and giving everyone access to high quality food, on demand. We're looking for a Senior/Lead Engineer who wants to do more than just code … the ground up. No PMs. No red tape. Just builders. This is a rare opportunity to work directly with the founders of a profitable, fast-scaling company, with full autonomy, significant equity, and a chance to apply AI in highly practical ways across our business. Role Overview You'll be the first Senior/Lead Engineer in a lean team that includes a Junior Engineer and a world-class AI/Data Science specialist. You will Architect and build the next generation of our platform Collaborate daily with the founders on strategic and product decisions Hands-on code, this role will involve a large portion of coding and architecting Scale a small More ❯