1,851 to 1,875 of 2,889 Full Stack Engineer Jobs

We are seeking a Principal Engineer/Engineering Manager to lead one of the core engineering teams within Planning Agent , our AI-powered advertising planning platform used daily by IPG agency teams. You will help shape and grow a product with AI at its core, using agents to power an AI assistant advertising planners throughout their workflow. Youll … lead a cross-functional team of 810 remote engineers and data scientists, distributed across multiple countries in Europe, with a significant presence in Poland and Ukraine. Our tech stack includes Python with a React frontend, deployed on AWS in Kubernetes clusters, using GCP for Gemini and LangGraph for agent orchestration. While youll have the resources of a large … requirements into actionable engineering tasks Discuss technical solutions with the development team, communicate goals, and facilitate execution Develop and expand product capabilities, from AI-driven features to core full-stack enhancements Lead functional design and code reviews, providing constructive feedback Coordinate with QA to achieve automated testing in support of continuous delivery Build and maintain a More ❯

We are seeking a Principal Engineer/Engineering Manager to lead one of the core engineering teams within Planning Agent , our AI-powered advertising planning platform used daily by IPG agency teams. You will help shape and grow a product with AI at its core, using agents to power an AI assistant advertising planners throughout their workflow. Youll … lead a cross-functional team of 810 remote engineers and data scientists, distributed across multiple countries in Europe, with a significant presence in Poland and Ukraine. Our tech stack includes Python with a React frontend, deployed on AWS in Kubernetes clusters, using GCP for Gemini and LangGraph for agent orchestration. While youll have the resources of a large … requirements into actionable engineering tasks Discuss technical solutions with the development team, communicate goals, and facilitate execution Develop and expand product capabilities, from AI-driven features to core full-stack enhancements Lead functional design and code reviews, providing constructive feedback Coordinate with QA to achieve automated testing in support of continuous delivery Build and maintain a More ❯

We are seeking a Principal Engineer/Engineering Manager to lead one of the core engineering teams within Planning Agent , our AI-powered advertising planning platform used daily by IPG agency teams. You will help shape and grow a product with AI at its core, using agents to power an AI assistant advertising planners throughout their workflow. Youll … lead a cross-functional team of 810 remote engineers and data scientists, distributed across multiple countries in Europe, with a significant presence in Poland and Ukraine. Our tech stack includes Python with a React frontend, deployed on AWS in Kubernetes clusters, using GCP for Gemini and LangGraph for agent orchestration. While youll have the resources of a large … requirements into actionable engineering tasks Discuss technical solutions with the development team, communicate goals, and facilitate execution Develop and expand product capabilities, from AI-driven features to core full-stack enhancements Lead functional design and code reviews, providing constructive feedback Coordinate with QA to achieve automated testing in support of continuous delivery Build and maintain a More ❯

We are seeking a Principal Engineer/Engineering Manager to lead one of the core engineering teams within Planning Agent , our AI-powered advertising planning platform used daily by IPG agency teams. You will help shape and grow a product with AI at its core, using agents to power an AI assistant advertising planners throughout their workflow. Youll … lead a cross-functional team of 810 remote engineers and data scientists, distributed across multiple countries in Europe, with a significant presence in Poland and Ukraine. Our tech stack includes Python with a React frontend, deployed on AWS in Kubernetes clusters, using GCP for Gemini and LangGraph for agent orchestration. While youll have the resources of a large … requirements into actionable engineering tasks Discuss technical solutions with the development team, communicate goals, and facilitate execution Develop and expand product capabilities, from AI-driven features to core full-stack enhancements Lead functional design and code reviews, providing constructive feedback Coordinate with QA to achieve automated testing in support of continuous delivery Build and maintain a More ❯

is personalised benefits, and nobody can deliver them quite like Heka. We’re growing fast, and we’re looking for a proactive, pragmatic and well-rounded Senior Software Engineer to help build our success. 🚀 The role in a nutshell This role is for an all-round engineer who's happy to work on all aspects of … new technologies that improve the system. Mentoring other engineers in the team. Maintaining documentation. Providing technical support to the wider company. 🎯 What we’re looking for: A software engineer with extensive commercial experience developing and maintaining SaaS web applications . A full-stack technical skillset including TypeScript, React, Node.js, HTML, CSS, SQL and AWS More ❯

Affinity Labs: Founding Engineer (Backend) Location: London Area, United Kingdom · On-site Company Description At Affinity Labs, we’re building the future of company creation, a full-stack AI venture studio that partners with content creators to co-found authentic, scalable software businesses. By combining AI-native development with creator-led distribution, we're … queue/messaging patterns. Startup mindset: high ownership, pace, ambiguity; willing to burn the midnight oil when needed . Growth mindset & flexibility: open to feedback; not rigid about stack/tools. Clear communicator & collaborator; lean on your experience to guide product decisions. Evidence of shipping quickly in small teams (links to repos, case studies, or live services). … LangChain or CrewAI for orchestration; MCP servers for integrations. Security hygiene (secrets, permissions, least-privilege) and practical data-privacy basics. Planning & execution in Linear (or similar). Tools & Stack Backend/Runtime: Python (FastAPI), Node.js. Datastores: PostgreSQL, MongoDB (as appropriate), Redis (caching/sessions). Vectors/Embeddings: Chroma (or similar). AI Models & APIs: Claude (Anthropic), Gemini More ❯

Affinity Labs: Founding Engineer (Backend) Location: London Area, United Kingdom · On-site Company Description At Affinity Labs, we’re building the future of company creation, a full-stack AI venture studio that partners with content creators to co-found authentic, scalable software businesses. By combining AI-native development with creator-led distribution, we're … queue/messaging patterns. Startup mindset: high ownership, pace, ambiguity; willing to burn the midnight oil when needed . Growth mindset & flexibility: open to feedback; not rigid about stack/tools. Clear communicator & collaborator; lean on your experience to guide product decisions. Evidence of shipping quickly in small teams (links to repos, case studies, or live services). … LangChain or CrewAI for orchestration; MCP servers for integrations. Security hygiene (secrets, permissions, least-privilege) and practical data-privacy basics. Planning & execution in Linear (or similar). Tools & Stack Backend/Runtime: Python (FastAPI), Node.js. Datastores: PostgreSQL, MongoDB (as appropriate), Redis (caching/sessions). Vectors/Embeddings: Chroma (or similar). AI Models & APIs: Claude (Anthropic), Gemini More ❯

Affinity Labs: Founding Engineer (Backend) Location: London Area, United Kingdom · On-site Company Description At Affinity Labs, we’re building the future of company creation, a full-stack AI venture studio that partners with content creators to co-found authentic, scalable software businesses. By combining AI-native development with creator-led distribution, we're … queue/messaging patterns. Startup mindset: high ownership, pace, ambiguity; willing to burn the midnight oil when needed . Growth mindset & flexibility: open to feedback; not rigid about stack/tools. Clear communicator & collaborator; lean on your experience to guide product decisions. Evidence of shipping quickly in small teams (links to repos, case studies, or live services). … LangChain or CrewAI for orchestration; MCP servers for integrations. Security hygiene (secrets, permissions, least-privilege) and practical data-privacy basics. Planning & execution in Linear (or similar). Tools & Stack Backend/Runtime: Python (FastAPI), Node.js. Datastores: PostgreSQL, MongoDB (as appropriate), Redis (caching/sessions). Vectors/Embeddings: Chroma (or similar). AI Models & APIs: Claude (Anthropic), Gemini More ❯

Affinity Labs: Founding Engineer (Backend) Location: London Area, United Kingdom · On-site Company Description At Affinity Labs, we’re building the future of company creation, a full-stack AI venture studio that partners with content creators to co-found authentic, scalable software businesses. By combining AI-native development with creator-led distribution, we're … queue/messaging patterns. Startup mindset: high ownership, pace, ambiguity; willing to burn the midnight oil when needed . Growth mindset & flexibility: open to feedback; not rigid about stack/tools. Clear communicator & collaborator; lean on your experience to guide product decisions. Evidence of shipping quickly in small teams (links to repos, case studies, or live services). … LangChain or CrewAI for orchestration; MCP servers for integrations. Security hygiene (secrets, permissions, least-privilege) and practical data-privacy basics. Planning & execution in Linear (or similar). Tools & Stack Backend/Runtime: Python (FastAPI), Node.js. Datastores: PostgreSQL, MongoDB (as appropriate), Redis (caching/sessions). Vectors/Embeddings: Chroma (or similar). AI Models & APIs: Claude (Anthropic), Gemini More ❯

Affinity Labs: Founding Engineer (Backend) Location: London Area, United Kingdom · On-site Company Description At Affinity Labs, we’re building the future of company creation, a full-stack AI venture studio that partners with content creators to co-found authentic, scalable software businesses. By combining AI-native development with creator-led distribution, we're … queue/messaging patterns. Startup mindset: high ownership, pace, ambiguity; willing to burn the midnight oil when needed . Growth mindset & flexibility: open to feedback; not rigid about stack/tools. Clear communicator & collaborator; lean on your experience to guide product decisions. Evidence of shipping quickly in small teams (links to repos, case studies, or live services). … LangChain or CrewAI for orchestration; MCP servers for integrations. Security hygiene (secrets, permissions, least-privilege) and practical data-privacy basics. Planning & execution in Linear (or similar). Tools & Stack Backend/Runtime: Python (FastAPI), Node.js. Datastores: PostgreSQL, MongoDB (as appropriate), Redis (caching/sessions). Vectors/Embeddings: Chroma (or similar). AI Models & APIs: Claude (Anthropic), Gemini More ❯

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Software Engineer in the United Kingdom . This role offers a hands on opportunity to design, develop, and deliver large scale features across both frontend and backend systems in a high performance SaaS environment. You will contribute to the … technical documentation including system designs, API specifications, and architecture decisions. Qualifications Bachelor's degree in Computer Science, Engineering, or a related technical field. Minimum of four years of full stack software development experience in a SaaS or technology driven environment. Proficiency in backend development with .NET Core and frontend frameworks such as React or Vue. Strong More ❯

Machine Learning Research Engineer Increase your chances of an interview by reading the following overview of this role before making an application. The company We are a rapidly growing startup developing solutions that utilise Virtual Agents to handle manual customer and marketplace operations tasks. Virtual agents blend deterministic Python code, LLM reasoning and agentic AI capabilities to undertake … journey - and we are very excited about our plans for growth over the coming year and beyond! The role We are now looking for a Machine Learning Research Engineer to help build and deliver a platform that can automatically create Virtual Agents for operational processes currently undertaken manually using browser-based UIs. An important part of our offering … where gaps in industry require it Participate in our machine learning community to influence how we implement machine learning and computer vision technologies, shaping Unitary's future. Contribute full-stack development, including software engineering, DevOps, and MLOps, along with light task and project management to ensure your capabilities deliver maximum value early. We would love to More ❯

Are you an AI engineer with strong software engineering fundamentals? Have you deployed AI models into production—not just trained them? Want to work on agentic systems, RAG pipelines, and LLM-powered tools? We're working with a high-growth GenAI consultancy building real-world, production-grade AI applications. With a team of 50+, the company partners with … and technically challenging. With strong client demand and deep partnerships (including OpenAI), the team is scaling fast across the UK, Singapore, and Australia. As a Senior Applied AI Engineer, you’ll take ownership of designing and deploying AI-powered applications that solve real client problems. You’ll work across full-stack delivery, from architecture … Lead and guide junior engineers within project teams Key Details Salary : £100,000–£130,000 + benefits Working model : Hybrid (3 days/week in London office) Tech stack : Python, LLMs (OpenAI/Claude), Docker, CI/CD, microservices, AWS If you're a strong backend or platform engineer passionate about GenAI and excited to ship More ❯

Are you an AI engineer with strong software engineering fundamentals? Have you deployed AI models into production—not just trained them? Want to work on agentic systems, RAG pipelines, and LLM-powered tools? We're working with a high-growth GenAI consultancy building real-world, production-grade AI applications. With a team of 50+, the company partners with … and technically challenging. With strong client demand and deep partnerships (including OpenAI), the team is scaling fast across the UK, Singapore, and Australia. As a Senior Applied AI Engineer, you’ll take ownership of designing and deploying AI-powered applications that solve real client problems. You’ll work across full-stack delivery, from architecture … Lead and guide junior engineers within project teams Key Details Salary : £100,000–£130,000 + benefits Working model : Hybrid (3 days/week in London office) Tech stack : Python, LLMs (OpenAI/Claude), Docker, CI/CD, microservices, AWS If you're a strong backend or platform engineer passionate about GenAI and excited to ship More ❯

Are you an AI engineer with strong software engineering fundamentals? Have you deployed AI models into production—not just trained them? Want to work on agentic systems, RAG pipelines, and LLM-powered tools? We're working with a high-growth GenAI consultancy building real-world, production-grade AI applications. With a team of 50+, the company partners with … and technically challenging. With strong client demand and deep partnerships (including OpenAI), the team is scaling fast across the UK, Singapore, and Australia. As a Senior Applied AI Engineer, you’ll take ownership of designing and deploying AI-powered applications that solve real client problems. You’ll work across full-stack delivery, from architecture … Lead and guide junior engineers within project teams Key Details Salary : £100,000–£130,000 + benefits Working model : Hybrid (3 days/week in London office) Tech stack : Python, LLMs (OpenAI/Claude), Docker, CI/CD, microservices, AWS If you're a strong backend or platform engineer passionate about GenAI and excited to ship More ❯

Are you an AI engineer with strong software engineering fundamentals? Have you deployed AI models into production—not just trained them? Want to work on agentic systems, RAG pipelines, and LLM-powered tools? We're working with a high-growth GenAI consultancy building real-world, production-grade AI applications. With a team of 50+, the company partners with … and technically challenging. With strong client demand and deep partnerships (including OpenAI), the team is scaling fast across the UK, Singapore, and Australia. As a Senior Applied AI Engineer, you’ll take ownership of designing and deploying AI-powered applications that solve real client problems. You’ll work across full-stack delivery, from architecture … Lead and guide junior engineers within project teams Key Details Salary : £100,000–£130,000 + benefits Working model : Hybrid (3 days/week in London office) Tech stack : Python, LLMs (OpenAI/Claude), Docker, CI/CD, microservices, AWS If you're a strong backend or platform engineer passionate about GenAI and excited to ship More ❯

Are you an AI engineer with strong software engineering fundamentals? Have you deployed AI models into production—not just trained them? Want to work on agentic systems, RAG pipelines, and LLM-powered tools? We're working with a high-growth GenAI consultancy building real-world, production-grade AI applications. With a team of 50+, the company partners with … and technically challenging. With strong client demand and deep partnerships (including OpenAI), the team is scaling fast across the UK, Singapore, and Australia. As a Senior Applied AI Engineer, you’ll take ownership of designing and deploying AI-powered applications that solve real client problems. You’ll work across full-stack delivery, from architecture … Lead and guide junior engineers within project teams Key Details Salary : £100,000–£130,000 + benefits Working model : Hybrid (3 days/week in London office) Tech stack : Python, LLMs (OpenAI/Claude), Docker, CI/CD, microservices, AWS If you're a strong backend or platform engineer passionate about GenAI and excited to ship More ❯

platform for AI evaluation and reliability - empowering engineers and researchers to better understand and improve their agents. This role would suit someone who is a frontend developer, Founding Engineer, or a FullStack Engineer who is leaning towards the frontend. The Role As a Product Engineer focused on Frontend , you’ll help design and deliver … Design intuitive end-to-end user journeys - from onboarding to detailed trace analysis Collaborate cross-functionally to translate cutting-edge AI capabilities into accessible, high-impact products Ship full-stack features when needed, ensuring smooth performance and scalability across the system About You 5+ years of professional experience building frontend products in TypeScript/React or … and connection at their early stage. This is an in-office role - You must be able to work in Kings Cross, 4-5 Days per week. Beautiful offices, full setup, focus areas and on-site Gym. More ❯

platform for AI evaluation and reliability - empowering engineers and researchers to better understand and improve their agents. This role would suit someone who is a frontend developer, Founding Engineer, or a FullStack Engineer who is leaning towards the frontend. The Role As a Product Engineer focused on Frontend , you’ll help design and deliver … Design intuitive end-to-end user journeys - from onboarding to detailed trace analysis Collaborate cross-functionally to translate cutting-edge AI capabilities into accessible, high-impact products Ship full-stack features when needed, ensuring smooth performance and scalability across the system About You 5+ years of professional experience building frontend products in TypeScript/React or … and connection at their early stage. This is an in-office role - You must be able to work in Kings Cross, 4-5 Days per week. Beautiful offices, full setup, focus areas and on-site Gym. More ❯

platform for AI evaluation and reliability - empowering engineers and researchers to better understand and improve their agents. This role would suit someone who is a frontend developer, Founding Engineer, or a FullStack Engineer who is leaning towards the frontend. The Role As a Product Engineer focused on Frontend , you’ll help design and deliver … Design intuitive end-to-end user journeys - from onboarding to detailed trace analysis Collaborate cross-functionally to translate cutting-edge AI capabilities into accessible, high-impact products Ship full-stack features when needed, ensuring smooth performance and scalability across the system About You 5+ years of professional experience building frontend products in TypeScript/React or … and connection at their early stage. This is an in-office role - You must be able to work in Kings Cross, 4-5 Days per week. Beautiful offices, full setup, focus areas and on-site Gym. More ❯

platform for AI evaluation and reliability - empowering engineers and researchers to better understand and improve their agents. This role would suit someone who is a frontend developer, Founding Engineer, or a FullStack Engineer who is leaning towards the frontend. The Role As a Product Engineer focused on Frontend , you’ll help design and deliver … Design intuitive end-to-end user journeys - from onboarding to detailed trace analysis Collaborate cross-functionally to translate cutting-edge AI capabilities into accessible, high-impact products Ship full-stack features when needed, ensuring smooth performance and scalability across the system About You 5+ years of professional experience building frontend products in TypeScript/React or … and connection at their early stage. This is an in-office role - You must be able to work in Kings Cross, 4-5 Days per week. Beautiful offices, full setup, focus areas and on-site Gym. More ❯

platform for AI evaluation and reliability - empowering engineers and researchers to better understand and improve their agents. This role would suit someone who is a frontend developer, Founding Engineer, or a FullStack Engineer who is leaning towards the frontend. The Role As a Product Engineer focused on Frontend , you’ll help design and deliver … Design intuitive end-to-end user journeys - from onboarding to detailed trace analysis Collaborate cross-functionally to translate cutting-edge AI capabilities into accessible, high-impact products Ship full-stack features when needed, ensuring smooth performance and scalability across the system About You 5+ years of professional experience building frontend products in TypeScript/React or … and connection at their early stage. This is an in-office role - You must be able to work in Kings Cross, 4-5 Days per week. Beautiful offices, full setup, focus areas and on-site Gym. More ❯

QA Test Automation Engineer/SDET (Python C# AI) Reigate/WFH to £85k Are you a QA testing technologist with Python or C# .Net coding skills and an interest in AI? You could be progressing your career in a senior, hands on role at a global Fintech that is producing game changing technology. As a QA Test … Automation Engineer you will be a key member of an Agile engineering team responsible for developing one of the company's flagship insurance products, with a focus on testing the AI elements of the product, as well as full stack testing using tools such as Cypress, with Python or C# coding. Location/WFH … office twice a week for team meet-ups and stakeholder meetings with the other three days work from home. About you: You are a skilled QA Test Automation Engineer/SDET with strong Python or C# .Net coding skills, TypeScript would also be of benefit You have a strong understanding of application architecture and microservices - how to test More ❯

QA Test Automation Engineer/SDET (Python C# AI) Reigate/WFH to £85k Are you a QA testing technologist with Python or C# .Net coding skills and an interest in AI? You could be progressing your career in a senior, hands on role at a global Fintech that is producing game changing technology. As a QA Test … Automation Engineer you will be a key member of an Agile engineering team responsible for developing one of the company's flagship insurance products, with a focus on testing the AI elements of the product, as well as full stack testing using tools such as Cypress, with Python or C# coding. Location/WFH … office twice a week for team meet-ups and stakeholder meetings with the other three days work from home. About you: You are a skilled QA Test Automation Engineer/SDET with strong Python or C# .Net coding skills, TypeScript would also be of benefit You have a strong understanding of application architecture and microservices - how to test More ❯

to align on requirements and deliver a user experience you can be proud of. The role requires demonstrable experience of backend development using PHP and MySQL, and includes full lifecycle development of RESTful APIs and web apps which can operate at scale on AWS. You will appreciate the benefits of TDD/BDD, ensuring all code is tested … release and production environments running on AWS. We operate a DevOps culture and are responsible for developing, deploying, operating and monitoring our team's deliverables. As the senior engineer in the team, you will set the technical standard for the team; offering mentoring and support to your team-mates. Who are you Highly skilled and proficient coding in … relational databases, particularly database performance tuning. Knowledge of best practises around Modern Software Engineering, CI/CD, DORA metrics. Experience of troubleshooting and fixing performance issues in a full-stack application; from browser to the database. Experience of software architecture and presenting technical designs to your team and stakeholders. Excellent communicator with a self-starter attitude More ❯