19 of 19 Permanent The Twelve-Factor App Jobs in the UK

We are Orbital an AI company on a mission to automate the legal segment of every property transaction in the world We iterate rapidly to build products that utilise the bleeding-edge of Generative AI. Products that are powered by the latest … foundation LLM's (Large Language Models) including GPT-4o and o3. This places us at the forefront of THE most advanced technological advancements of our generation We're spearheading an unprecedented shift in how the world's asset class is transacted, globally. Legal reasoning … is a hard problem and requires some of the smartest and most experienced professionals to solve legal challenges for their clients. Because of this we will continue to push ahead and use the most intelligent and the fastest foundational models to build an AI More ❯

Senior Backend Engineer 🌍 UK/Europe (Remote or Hybrid if you're in the UK, it’s up to you!) Our Perks ❤️ Monthly Health & Wellness budget, increasing with length of service 📚 Annual Learning and Development budget, increasing with length of service 🤸🏽‍♂️ Flexible working in a choice-first environment … we trust the way you want to work! 🖥️ Work From Home Allowance, which renews every two-years 🌴 25 Holiday Days + your local bank holidays, plus an extra day for every year of service 🎂 Your birthday off 🍼 Enhanced Family Leave (UK Only), Fertility Leave, and Neonatal Leave ⚕️ Optional … Healthcare Plan 🛟 Life & income protection (Location dependent) 🤝 Employee Assistance Programme (UK Only) 📈 The opportunity to share in the company’s success through options 🌆 If you’re in London, a dog-friendly office with great classes, events, and a rooftop terrace 🦸‍♀️ The Role 🦸‍♀️ Our mission More ❯

Come, work with us! Citi, the world leading global bank, has approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit … strategic financial objectives by providing them with cutting-edge ideas, best-in-class products and solutions, and unparalleled access to capital and liquidity. The Stress testing Team is responsible for delivering Stress testing related solutions to Citi's risk & finance organization which manages Citi's exposure to financial … institutions, governments and corporates that trade with Citi. The team engineers, builds and maintains software used to compute metrics that help mitigate Citi's exposure to counterparty default & help meet regulations like CECL. GSST, IFRS9, CCAR. Who you are: You've got a positive energy. You are optimistic More ❯

and graduated driving laws, to being an industry leader in pricing sophistication, telematics, and, more recently, device and identity protection. Your role in the team We are seeking a highly skilled and motivated Full Stack Developer to join our dynamic software and security team. This role focuses on … designing and developing security tools and products with user-friendly interfaces that provide seamless functionality and exceptional user experience. The ideal candidate will have extensive experience working with Java to develop RESTful APIs and ReactJS to develop intuitive and responsive UIs. In this role, you will be responsible … members will be crucial in delivering high-quality solutions and developing this cutting-edge team. You will also be expected to help drive the team forward with innovative ideas and problem solving Key Responsibilities Actively learn different technologies as needed for delivery of stories Adhere to Allstate best More ❯

WHAT IS THE OPPORTUNITY Maersk is going through times of unprecedented change. From the farm to your refrigerator, the factory to your wardrobe, we are developing solutions that meet customer needs from one end of the supply chain to the … and technology are taking center stage in enabling our customers to trade globally, and we are building our core products in-house. Join the world's leading container logistics company as we embark on an industry-defining digital transformation that will revolutionize global trade. You will be joining … individuals. It is an outstanding opportunity for a career in a highly skilled global organization. WHAT WE OFFER You will be part of the Supply Chain Management (SCM)Platform, focused on designing and engineering the SCM platform's foundational capabilities. You will join one of our More ❯

WHAT IS THE OPPORTUNITY Maersk is going through times of unprecedented change. From the farm to your refrigerator, the factory to your wardrobe, we are developing solutions that meet customer needs from one end of the supply chain to the … and technology are taking center stage in enabling our customers to trade globally, and we are building our core products in-house. Join the world's leading container logistics company as we embark on an industry-defining digital transformation that will revolutionize global trade. You will be joining … individuals. It is an outstanding opportunity for a career in a highly skilled global organization. WHAT WE OFFER You will be part of the Supply Chain Management (SCM)Platform, focused on designing and engineering the SCM platform's foundational capabilities. You will join one of our More ❯

engaged to find them and highly skilled and experienced back end engineer to help ensure they are using best-in-class tech in the fast-developing AI space they operate in. The position: You’ll play a critical role in creating exciting new functionality for their … app. Work in a fast-paced environment to develop new features while improving the performance of their existing APIs Brainstorm features with product managers and designers and guide decisions based on your knowledge of the codebase Spread knowledge of new web technologies and best practices within … the team Be involved in all steps of development, including design, architecture, implementation, automated tests development, and monitoring the health of the systems in production Work in a multi-functional team Requirements: Strong experience working with Python Ruby is a nice to have Good More ❯

Position: AWS DevOps Lead Employment Type: Permanent, Full‑time Start: ASAP Location: UK (Hybrid) Language: English The Role As Lead DevOps Engineer , you will own the end‑to‑end design, implementation and continuous improvement of our cloud infrastructure and delivery pipelines. You’ll guide multidisciplinary Agile … on time and to quality standards. Microservices Deployments: Build, package and deploy microservice applications in line with 12‑factor app principles. Infrastructure Automation: Define and implement Infrastructure as Code using Terraform and Ansible for AWS environments. Container & Orchestration: Design, deploy and manage Docker containers … S3—to meet performance, security and compliance requirements. Monitoring & Observability: Implement application and infrastructure monitoring with Prometheus & Grafana; manage centralized logging with the ELK stack. Web & Reverse Proxy: Configure and tune Nginx for traffic management, load‑balancing and SSL termination. Performance & Reliability: Continuously assess system health, run More ❯

Position: AWS DevOps Lead Employment Type: Permanent, Full‑time Start: ASAP Location: UK (Hybrid) Language: English The Role As Lead DevOps Engineer , you will own the end‑to‑end design, implementation and continuous improvement of our cloud infrastructure and delivery pipelines. You’ll guide multidisciplinary Agile … on time and to quality standards. Microservices Deployments: Build, package and deploy microservice applications in line with 12‑factor app principles. Infrastructure Automation: Define and implement Infrastructure as Code using Terraform and Ansible for AWS environments. Container & Orchestration: Design, deploy and manage Docker containers … S3—to meet performance, security and compliance requirements. Monitoring & Observability: Implement application and infrastructure monitoring with Prometheus & Grafana; manage centralized logging with the ELK stack. Web & Reverse Proxy: Configure and tune Nginx for traffic management, load‑balancing and SSL termination. Performance & Reliability: Continuously assess system health, run More ❯

Lead Application Developer – Serverless Python/AWS/Lambda – Northern Ireland Fully Remote Salary: up to £150k+ Market-leading benefits package About the Company Our client is a high-growth, VC-backed FinOps technology company helping enterprises and MSPs optimize cloud costs across hybrid and multi-cloud … environments. Over the past decade, they’ve evolved from bespoke cloud consulting to a platform-led approach — offering cost intelligence, ML-powered recommendations, and deep cloud integrations. They are a founding member of the FinOps Foundation, a key voice in the emerging BillOps space … As they expand globally, they’re investing in a best-in-class engineering team — starting with a core UK/Northern Ireland base. The Opportunity This is a strategic hire for a Lead Application Developer who will shape the technical foundation of a new cloud More ❯

Lead Application Developer – Serverless Python/AWS/Lambda – Northern Ireland Fully Remote Salary: up to £150k+ Market-leading benefits package About the Company Our client is a high-growth, VC-backed FinOps technology company helping enterprises and MSPs optimize cloud costs across hybrid and multi-cloud … environments. Over the past decade, they’ve evolved from bespoke cloud consulting to a platform-led approach — offering cost intelligence, ML-powered recommendations, and deep cloud integrations. They are a founding member of the FinOps Foundation, a key voice in the emerging BillOps space … As they expand globally, they’re investing in a best-in-class engineering team — starting with a core UK/Northern Ireland base. The Opportunity This is a strategic hire for a Lead Application Developer who will shape the technical foundation of a new cloud More ❯

background in e-commerce systems and backend integrations to join our fast-paced, tech-forward software engineering team. This role will focus on the development and maintenance of scalable, cloud-native software solutions that integrate our e-commerce platform with critical business systems including Warehouse Management , Finance , Inventory … open-source e-commerce platform integration experience Sound knowledge of Software Architecture : Design Patterns (Enterprise, Architectural, DDD) The Twelve-Factor App Clean Code principles and Refactoring Clean Infrastructure principles Hands-on experience with: Docker , Containers Cloud platforms : AWS More ❯

Join Our Team as a Lead DevOps Engineer! Are you a hands‑on DevOps professional ready to take the lead? We’re seeking a Mid‑Senior Level Lead DevOps Engineer to join a top consultancy, driving the automation, scalability, and reliability of our clients’ microservices platforms. … Work with AWS, Kubernetes, Terraform, GitLab CI/CD, ELK, Prometheus and more. Growth & Recognition: Champion DevOps best practices, mentor peers, and shape the future of our platform. Flexible Working: Hybrid model, generous holiday entitlement, and supportive culture. What You’ll Do Design & implement Infrastructure as Code using More ❯

Client is an international consultancy with over 3000 employees. They are now looking to recruit a Senior Solutions Architect to be based at the Company's Central London Offices. You will have extensive and deep expertise in the following Application Development areas: Expertise in application … areas of application platform development, web and mobile development, cloud, integration, security, etc. Application development experience with at least one of the cloud providers - Amazon AWS or MS Azure Understanding of distributed computing paradigm and exposure to building highly scalable systems. Experience with platform modernization and … design patterns Have used NoSQL databases such as MongoDB, Cassandra, etc. Responsibilities include: Work on opportunities along with sales, practice, delivery teams through the pre-sales process Develop customer proposals - solution architecture, pitch decks, estimating solution effort, resourcing and timelines Translate requirements into solution architecture diagrams, implementation roadmap More ❯

Client is an international consultancy with over 3000 employees. They are now looking to recruit a Senior Solutions Architect to be based at the Company's Central London Offices. You will extensive and deep Expertise in following Application Development areas: " Expertise in application architecture using modern … areas of application platform development, web and mobile development, cloud, integration, security, etc. " Application dev experience with at least one of the cloud providers - Amazon AWS or MS Azure " Understanding of distributed computing paradigm and exposure to building highly scalable systems. " Experience with platform modernization and … with various design patterns " Have used NoSQL database such as MongoDB, Cassandra, etc. " Work on opportunities along with sales, practice, delivery teams through the pre-sales process " Develop customer proposals - solution architecture, pitch decks, estimating solution effort, resourcing and timelines " Translate requirements into solution architecture diagrams, implementation roadmap More ❯

Our Client is an international consultancy with over 3000 employees. They are now looking to recruit a Senior Solutions Architect to based at the Company's Central London Offices. You will extensive and deep Expertise in following Application Development areas: Expertise in application architecture using modern … areas of application platform development, web and mobile development, cloud, integration, security, etc. Application dev experience with at least one of the cloud providers - Amazon AWS or MS Azure Understanding of distributed computing paradigm and exposure to building highly scalable systems. Experience with platform modernization and … with various design patterns Have used NoSQL database such as MongoDB, Cassandra, etc. Work on opportunities along with sales, practice, delivery teams through the pre-sales process Develop customer proposals - solution architecture, pitch decks, estimating solution effort, resourcing and timelines Translate requirements into solution architecture diagrams, implementation roadmap More ❯

with over 3000 employees. They are now looking to recruit a Senior Solutions Architect with some Pre-Sales experience to be based at the Company's Central London Offices. You will extensive and deep Expertise in following Application Development areas: Expertise in application architecture using modern … areas of application platform development, web and mobile development, cloud, integration, security, etc. Application dev experience with at least one of the cloud providers - Amazon AWS or MS Azure Understanding of distributed computing paradigm and exposure to building highly scalable systems. Experience with platform modernization and … with various design patterns Have used NoSQL database such as MongoDB, Cassandra, etc. Work on opportunities along with sales, practice, delivery teams through the pre-sales process Develop customer proposals - solution architecture, pitch decks, estimating solution effort, resourcing and timelines Translate requirements into solution architecture diagrams, implementation roadmap More ❯

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Software Engineer III at JPMorgan Chase within the Commercial & Investment Bank - Payments Technology Space, you are an integral part of an agile team that works … to Global markets. As a core technical contributor, you are responsible for conducting critical technology solutions across multiple technical areas in support of the firm's business objectives. Job responsibilities Execute creative software solutions, design, develop, and troubleshoot technically, thinking beyond routine approaches to build solutions or analyze … or higher) development experience with Spring Boot or similar frameworks. Experience in developing cloud-native applications (12-factor app) with implementation of RESTful microservices, containers, and resilient, scalable platforms. Experience in Test Driven Development using JUnit, Mockito, or similar tools. Hands-on experience with More ❯

needs, from advocating for seat belts and air bags to leading in pricing sophistication, telematics, and device and identity protection. Your role in the team We are seeking a highly skilled and motivated Full Stack Developer to join our dynamic software and security team. This role involves designing … and developing security tools and products with user-friendly interfaces that ensure seamless functionality and an exceptional user experience. The ideal candidate will have extensive experience with Java for RESTful APIs and ReactJS for developing intuitive, responsive UIs. You will be responsible for building and enhancing both front … Managers and Managing Engineers, is crucial. Sharing knowledge with junior team members and contributing innovative ideas and problem-solving skills will help drive the team forward. Key Responsibilities Actively learn new technologies as needed for story delivery. Adhere to Allstate best practices (e.g., pair programming, test-driven development More ❯