251 to 275 of 300 Full Stack Engineer Jobs in London

Product Quality and Support Strategist, Alerting About The Position Coralogix is a modern, full-stack observability platform transforming how businesses process and understand their data. Our unique architecture powers in-stream analytics without reliance on expensive indexing or hot storage. We specialize in comprehensive monitoring of logs, metrics, traces, and security events with features such as … experience and a desire to lead people is an added advantage. You have a solid technical background and a sense of the day-to-day life of an engineer managing incidents and alerts in a distributed cloud application. You are comfortable with working with the US and Israel time zones. You have excellent verbal and written communication skills More ❯

Senior Python Software Engineer Contract - Outside IR35 Day Rate: Up to £725 (DOE) Immediate Start Location: UK Remote Opportunity: Our UK leading client is seeking experienced Senior Software Engineers who enjoy building products end-to-end. You'll join a collaborative team where your expertise in backend systems (with Python as a core strength) will help shape the … next stage of our platform. While you'll have the chance to work across the stack, backend problem-solving and scalability will be central to this role. Your Experience: 5+ years professional experience with Python (or a comparable language) Solid understanding of modern web application design Hands-on experience with JavaScript/TypeScript and NoSQL databases Knowledge of … and user outcomes Enthusiasm for learning, experimenting, and continuous improvement The Role: Work in a cross-functional squad alongside product managers, designers, and other engineers Contribute across the full software lifecycle - planning, building, deploying, and running systems Take ownership with a "you build it, you run it" mindset, from commit to production Collaborate directly with end-users and More ❯

Stage Interview Stage 1 - Discussion with our Hiring Manager (30 mins): A chance to talk with our Hiring Manager in more detail about the role, our tech stack and some of the problems we solve every day. Here, we'll dig a bit more into some of your experiences, understand the processes you're familiar with and the … in the office to connect, collaborate, and enjoy everything the space has to offer. Remote flexibility for deep focus, work-life balance, and personal productivity. This is a full-time role , working 37.5 hours per week , Monday to Friday. More ❯

growth unicorn business About Your Role What will I be doing? End-to-end ownership of the NLP and Unstructured data capability across our platform. We believe in 'full stack product management'. The code is not the product, it's just part of it. You will align the company behind your vision for our Unstructured … would also have one or more of the following: Enterprise software product management experience Hands on data science experience or NLP experience - as a data scientist, researcher, or engineer Domain knowledge in one of our solution domains: Fincrime & AML/KYC/Data management/Customer intelligence/Risk Experience in start-ups/scale-ups We know More ❯

Senior JavaScript Engineer/Developer (Vue.js API) London to £100k Do you have expertise with JavaScript? You could be progressing your career in a senior, hands-on Senior JavaScript Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and … with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior JavaScript Engineer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You … ll focus on front end components using JavaScript and Vue.js, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll be encouraged to explore new technologies and use the best tool for the job as well as own your own DevOps and deployment. There More ❯

Senior Python Software Engineer Contract - Outside IR35 Day Rate: Up to £725 (DOE) Immediate Start Location: UK Remote Opportunity: Our UK leading client is seeking experienced Senior Software Engineers who enjoy building products end-to-end. You’ll join a collaborative team where your expertise in backend systems (with Python as a core strength) will help shape the … next stage of our platform. While you’ll have the chance to work across the stack, backend problem-solving and scalability will be central to this role. Your Experience: 5+ years professional experience with Python (or a comparable language) Solid understanding of modern web application design Hands-on experience with JavaScript/TypeScript and NoSQL databases Knowledge of … and user outcomes Enthusiasm for learning, experimenting, and continuous improvement The Role: Work in a cross-functional squad alongside product managers, designers, and other engineers Contribute across the full software lifecycle — planning, building, deploying, and running systems Take ownership with a “you build it, you run it” mindset, from commit to production Collaborate directly with end-users and More ❯

Edge devices, developing the cloud systems that manage our fleet and collect data from them, and supporting AI research. We are looking for a talented and experienced software engineer to join our team and help us in this mission. With front-line exposure to our systems, you will have the opportunity to expand/enrich your knowledge in … the production system You will be working as part of a best in class product and engineering team, delivering cutting edge software solutions. Our Technology Our current technology stack is outlined below: Go, Python, Java React Native, Android Apps (Kotlin) AWS PostgreSQL, SQLite Kafka, MQTT Shell scripting REST APIs Docker for both our cloud and edge-device applications … PM on a Friday if you have completed your tasks by then Great office space in central London and a great working environment . click apply for full job details More ❯

The team is a mix of ML engineers, data scientists and product owners, who are dedicated to the next wave of innovation using GenAI. Who is a ML Engineer? In the GenAI CoE, ML Engineers drive the delivery of concepts and proven ideas into products and services that Experian can take to their customers, whether that be businesses … scalability. They collaborate with data scientists and a range of stakeholders. Responsibilities Partner with teams across the organisation to design and build GenAI solutions-from early experimentation to full-scale production-potentially including DevOps work where needed. Architect and build high-performant solutions, which may involve traditional ML modelling and/or large datasets, as well as GenAI. … test-driven development (TDD). Proficiency with Docker and experience working with container orchestration tools such as Kubernetes, Docker Swarm, or cloud-based alternatives. Comfort working across the full development stack, especially for prototyping. Passion for applying GenAI and machine learning across diverse domains and throughout the full project lifecycle. Conceptual understanding of common More ❯

working to fulfil Gentrack's global aspirations by having the most talented people, an inspiring culture, and a technology first, people centric business. The Opportunity The Senior Software Engineer role is a pivotal position within our dynamic software development team, carrying advanced technical responsibilities. Leveraging extensive expertise, senior engineers actively contribute to the design and architecture of Gentrack … collaboration. Stay abreast of industry trends and emerging technologies, evaluating their potential impact on current and future projects. Assess and recommend appropriate technologies and tools for the development stack based on project requirements and industry trends. Create and maintain technical documentation, including system architecture diagrams, API documentation, and code comments. Implement and promote security best practices throughout the … we're looking forward to coaching and collaborating with you) Depth and breadth of software development expertise (at least 5 years of intensive professional experience) as a Software Engineer developing commercial software using Java Proficiency in programming languages relevant to the organization's tech stack (e.g., Java, C#, JavaScript, TypeScript) Strong understanding of software architecture, object More ❯

software release activities and work on unique cloud-based product offerings for our customers to use in their own DevOps processes on their own Cloud estate. Our tech stack A strong focus on Docker/Kubernetes/Istio DevOps tooling/automation - ArgoCD/Jenkins/Github Actions Scripting languages - Bash/Python/Groovy/Golang Provisioning … solving problems, taking care to ensure that the solution works well within the wider system In-depth exposure to a handful of the key parts of our tech stack listed above Experience with programming/scripting/automation Good appreciation for information security principals Experience with infrastructure management and general Linux administration Experience in the following would be … Experience mentoring junior engineers Experience with software build and release engineering Why join Quantexa? Our perks and quirks. What makes you Q will help you to realize your full potential, flourish and enjoy what you do, while being recognized and rewarded with our broad range of benefits. We offer: Competitive salary and Company Bonus Flexible working hours in More ❯

Senior Front End Developer/Engineer (JavaScript Vue.js) London to £100k Do you enjoy working with a range of programming languages? You could be progressing your career in a senior, hands-on Front End Developer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation … to help scale and future proof the business. You'll focus on front end components using JavaScript and Vue.js, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll be encouraged to explore new technologies and use the best tool for the job as … understanding of web development practices, tools and technologies You enjoy learning and picking up new things You're flexible and able to adapt to changing priorities You have full software development lifecycle experience including CI/CD and testing You're collaborative with Agile team experience, happy to mentor more junior developers You're likely to be degree More ❯

Senior Front End Developer/Engineer (JavaScript Vue.js) London to £100k Do you enjoy working with a range of programming languages? You could be progressing your career in a senior, hands-on Front End Developer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation … to help scale and future proof the business. You'll focus on front end components using JavaScript and Vue.js, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll be encouraged to explore new technologies and use the best tool for the job as … understanding of web development practices, tools and technologies You enjoy learning and picking up new things You're flexible and able to adapt to changing priorities You have full software development lifecycle experience including CI/CD and testing You're collaborative with Agile team experience, happy to mentor more junior developers You're likely to be degree More ❯

Location London, United Kingdom Employment Type Full time Location Type Remote Department R&D Investigations The engineering team at Chainalysis is inspired by solving the hardest technical challenges and creating products that build trust in cryptocurrencies. We're a global organization with teams in Denmark, UK, Canada, the USA who thrive on the challenging work we do and … batch based application as well as streaming pipelines Build scalable API services on AWS that handle 1,000's requests per second Help the team to modernise our stack to operate at 10x current capacity Debug production issues across multiple systems and microservices We're looking for candidates who have: Experience in designing and implementing cloud-native microservices More ❯

We're investing in our internal and external reporting tooling so we can give our clients better insights, faster and support internal operations of Engine. As a Data Engineer you'll be at the heart of our reporting tooling, adding new data features and improving how we expose new entities to our clients and operations teams. You'll … features in a way that helps clients to use the data later. Engine 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 . Day in the Life of a Software Engineer … be in Java - it is not expected for you to know it today but to learn from the team as it makes up a large part of the stack). Good knowledge of Data Engineering tooling such as dbt or Spark. CDC tools like Debezium are a bonus. Build data systems with a software and infrastructure engineer More ❯

making in our blog posts here: Blog - Causaly We are backed by top VCs including ICONIQ, Index Ventures, Pentech and Marathon. We are looking for a Senior Fullstack Engineer to work on our API and business services. You will be responsible for designing and building scalable, reliable, and maintainable web applications. You will collaborate with our product and … knowledge of English language (verbal and written) Solid understanding of relational databases Preferred Qualifications Experience working with Knowledge Graphs and graph databases, such as Neo4J Experience working with Full-Text search databases, such as ElasticSearch Good understanding of GraphQL Experience working with Docker Experience working with a functional programming language Experience working with AWS or Google Cloud Our … Technology Stack The list below is indicative and not exhaustive of the technologies we use at Causaly. Node.js Typescript Git ElasticSearch Neo4J RxJS React Webpack Benefits Competitive compensation package Private medical insurance Life insurance (4 x salary) Personal development budget Individual wellbeing budget 25 days holiday plus bank holidays Your birthday off! Potential to have real impact and More ❯

your responsibilities. Mentorship of junior developers, active participation in code reviews, and a commitment to ongoing skill enhancement are essential components of this role. As an Intermediate Software Engineer, you will play a pivotal role in delivering high-quality, scalable software solutions while positioning yourself for further career growth within our dynamic development environment. The Specifics Contribute to … equivalent experience Proven track record of successfully contributing to the development and delivery of software applications Proficiency in one or more programming languages commonly used in the tech stack (e.g., TypeScript, Java, Python, JavaScript, C#) Understanding of software architecture, design patterns, and best practices Experience with version control systems (e.g., Git) Working knowledge of Agile Good working knowledge … Personal growth - in leadership, commercial acumen and technical excellence To be part of a global, winning high growth organization - with a career path to match A vibrant, culture full of people passionate about transformation and making a difference - with a one team, collaborative ethos. A competitive reward package that truly awards our top talent A chance to make More ❯

Founding AI Engineer - LLMs, software, hardware - is required by fast growing and highly ambitious voice-powered storytelling companion designed to ignite children's imagination without screen time. By combining storytelling with responsible AI, they aim to support learning at home in innovative ways. Be part of the next Unicorn ! They are seeking a Founding AI Engineer … software/hardware integration as we move toward production. Responsibilities : Enhance their voice-to-voice architecture with LLMs, STT/TTS, and sound design. Take ownership of the full software stack: from the low-level code running on the SoC all the way to the backend services. Collaborate with the hardware lead for seamless voice/… to design and implement our AI safety layer. Define the companys technical roadmap and infrastructure needs. Establish the foundation for future hires and workflows. Experience required : Senior software engineer with experience in LLM technologies (startup/product experience preferred). Expertise in software architecture, audio engineering, or AI/LLM integration. Ability to work with early-stage prototypes 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 ❯

C# Developer/Software Engineer (C# .Net SQL) *London onsite* to £180k+ Are you a technologist with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. As a C# Developer you'll collaborate with a team of highly intelligent technologists … and finance professionals to develop algorithmic trading systems working with a modern tech stack, with opportunities for technical ownership from day one. You'll partner with Quant teams to help architect valuation, risk and pricing systems, delivering massively scalable, high performance streaming compute operations. You'll be equipped with all the latest kit to help you succeed as … team in fantastic London (Soho) based offices that offer a wide range of facilities including nutritionally balance breakfast, lunch and all day snacks. Please note this role is full-time office based (Monday to Friday). About you: You have an outstanding record of academic achievement - minimum 2.1 in a STEM discipline from a top tier university (i.e. More ❯

About We are seeking a Senior DevOps Engineer to take full ownership of our data platform infrastructure. You'll play a key role in scaling and supporting our data systems, which leverage a modern AWS stack and Snowflake. This is a high-impact role with direct influence over reliability, observability, and the DevOps maturity More ❯

The role We're looking for senior software engineers to join our Web App engineering team. You'll have the opportunity to lead implementations across our entire product stack, with a focus on your area(s) of choice across frontend and backend. The Web App engineering team is dedicated to building Ravio's customer-facing web product, which … a data + SaaS platform. Our collective expertise spans various domains, with members specialising in both frontend and backend development, with every team member contributing across the entire stack to some degree. You'll be responsible for end-to-end development of new modules and features, working directly with our technical cofounders. We expect you to contribute to … every phase of the development cycle, from planning and architecting, to implementation and testing, to code review and maintenance. Requirements 4+ years experience as a software engineer Ability to make senior level contributions writing in TypeScript React PostgreSQL Bonus points for experience in high velocity and technically challenging roles Our tech stack Frontend: React Typescript GraphQL More ❯

AI agents that transform how they operate at scale. You'll also partner with the most cutting-edge startups in London, embedding AI agents across their entire business stack to drive innovation and efficiency. Build the future of the platform: Your direct work with customers will guide the evolution of Sierra's core platform. You'll surface unmet … non-technical audiences. Professional fluency in both French and English. Even better Experience building or deploying AI/LLM systems in production Have been a founder or founding engineer - you know what it means to balance craft, ownership, and speed Familiarity with tools that power today's AI agents: eval frameworks, agent tooling, RAG pipelines, and prompt engineering … respect each other and celebrate each other's personal and professional achievements. What we offer We want our benefits to reflect our values and offer the following to full-time employees: Flexible (Unlimited) Paid Time Off Medical, Dental, and Vision benefits for you and your family Life Insurance and Disability Benefits Retirement Plan (e.g., 401K, pension) with Sierra More ❯

AI agents that transform how they operate at scale. You'll also partner with the most cutting-edge startups in London, embedding AI agents across their entire business stack to drive innovation and efficiency. Build the future of the platform: Your direct work with customers will guide the evolution of Sierra's core platform. You'll surface unmet … non-technical audiences. Professional fluency in both Spanish and English. Even better Experience building or deploying AI/LLM systems in production Have been a founder or founding engineer - you know what it means to balance craft, ownership, and speed Familiarity with tools that power today's AI agents: eval frameworks, agent tooling, RAG pipelines, and prompt engineering … respect each other and celebrate each other's personal and professional achievements. What we offer We want our benefits to reflect our values and offer the following to full-time employees: Flexible (Unlimited) Paid Time Off Medical, Dental, and Vision benefits for you and your family Life Insurance and Disability Benefits Retirement Plan (e.g., 401K, pension) with Sierra More ❯

AI agents that transform how they operate at scale. You'll also partner with the most cutting-edge startups in London, embedding AI agents across their entire business stack to drive innovation and efficiency. Build the future of the platform: Your direct work with customers will guide the evolution of Sierra's core platform. You'll surface unmet … non-technical audiences. Professional fluency in both German and English. Even better Experience building or deploying AI/LLM systems in production Have been a founder or founding engineer - you know what it means to balance craft, ownership, and speed Familiarity with tools that power today's AI agents: eval frameworks, agent tooling, RAG pipelines, and prompt engineering … respect each other and celebrate each other's personal and professional achievements. What we offer We want our benefits to reflect our values and offer the following to full-time employees: Flexible (Unlimited) Paid Time Off Medical, Dental, and Vision benefits for you and your family Life Insurance and Disability Benefits Retirement Plan (e.g., 401K, pension) with Sierra More ❯

Software Developer/Engineer (C# .Net SQL) *London onsite* to £180k+ Are you a technologist with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. As a Software Developer you'll collaborate with a team of highly intelligent technologists and … finance professionals to develop algorithmic trading systems working with a modern tech stack, with opportunities for technical ownership from day one. You'll partner with Quant teams to help architect valuation, risk and pricing systems, delivering massively scalable, high performance streaming compute operations. You'll be equipped with all the latest kit to help you succeed as well … team in fantastic London (Soho) based offices that offer a wide range of facilities including nutritionally balance breakfast, lunch and all day snacks. Please note this role is full-time office based (Monday to Friday). About you: You have an outstanding record of academic achievement - minimum 2.1 in a STEM discipline from a top tier university (i.e. More ❯