The Twelve-Factor App Jobs

14 of 14 The Twelve-Factor App Jobs

DevOps and IT Engineer

London Area, United Kingdom
Hybrid/Remote Options
Credentially
Credentially is proud to be part of Automate Health , an ambitious group backed by the Steyn Group that’s building the future of healthcare through innovation and technology. Automate Health’s portfolio includes: Credentially – simplifying and scaling healthcare workforce compliance and onboarding. Salve – transforming fertility & IVF journeys with seamless digital engagement. Naq – making organisational and process … compliance effortless. We’re just getting started. Our mission is to back and scale the companies that will set the standard for tomorrow’s healthcare. Joining us means being part of a bold, forward-looking team driven by impact, innovation, and the belief that technology can create a healthier future for everyone. Why Work … With Us? Joining us means more than a job. It means being part of something bigger. Here, you’ll: Work alongside passionate entrepreneurs building the healthcare companies of tomorrow. Help shape innovations that directly improve patient care and healthcare delivery worldwide. Grow your career in a fast-moving, supportive environment backed by global expertise. Be Part of the More ❯
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DevOps and IT Engineer

City of London, London, United Kingdom
Hybrid/Remote Options
Credentially
Credentially is proud to be part of Automate Health , an ambitious group backed by the Steyn Group that’s building the future of healthcare through innovation and technology. Automate Health’s portfolio includes: Credentially – simplifying and scaling healthcare workforce compliance and onboarding. Salve – transforming fertility & IVF journeys with seamless digital engagement. Naq – making organisational and process … compliance effortless. We’re just getting started. Our mission is to back and scale the companies that will set the standard for tomorrow’s healthcare. Joining us means being part of a bold, forward-looking team driven by impact, innovation, and the belief that technology can create a healthier future for everyone. Why Work … With Us? Joining us means more than a job. It means being part of something bigger. Here, you’ll: Work alongside passionate entrepreneurs building the healthcare companies of tomorrow. Help shape innovations that directly improve patient care and healthcare delivery worldwide. Grow your career in a fast-moving, supportive environment backed by global expertise. Be Part of the More ❯
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Senior Engineer, Cloud Security

London, England, United Kingdom
Cint
Who We Are Cint is a pioneer in research technology (ResTech). Our customers use the Cint platform to post questions and get answers from real people to build business strategies, confidently publish research, accurately measure the impact of digital advertising, and more. The Cint platform is built on a programmatic marketplace, which is … the world’s largest, with nearly 300 million respondents in over 150 countries who consent to sharing their opinions, motivations, and behaviours. We are feeding the world’s curiosity! Job Description Our vision for the role We are searching for an experienced Senior Cloud Infrastructure Security Engineer with an unquenchable thirst for automation and … build out and secure our expanding cloud infrastructure in AWS. While this is a hands-on engineering position (not a CISO or a consulting role), you will need the confidence and gravitas to heavily influence engineers and managers across a wide technical function. The team holds itself accountable to a high standard of build quality. We More ❯
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Full Stack Engineer Net , Java)

Smithfield, Rhode Island, United States
Pyramid Consulting Inc
Full Stack Engineer Net , Java This is a 15+ months contract opportunity with long-term potential and is located in Smithfield, RI/Westlake, TX(Onsite Please review the job description below and contact me ASAP if you are interested.Job ID: 25-81212 Pay Range: $70 - $80/hour. Employee benefits include, but are not limited to, health … architecture, design and code Experience with Mainframe applications Publishes clear, concise and thorough design documentation Provides support for software releases into production environments Experience building technology solutions in the financial services industry is preferred. Experience with Agile and Scrum Methodologies is preferred. Experience with designing and developing RESTful APIs Experience in design patterns & principles such as OO, DD … develop technical artifacts based on analysis ofbusiness and systems requirements Skills to discover/document implementations from legacysystems, C++, Java. .NET, as part of re- platform. Knowledge of the current technologies and evolving trends Ability to quickly learn new concepts and technologies Detail oriented coupled with strong analytical and problem-solving skills Strong organizational skills coupled with effective More ❯
Employment Type: Any
Salary: USD Annual
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Sportsbook Solutions Architect

Ireland
Hybrid/Remote Options
The Unit
About Us The Unit is a software development company focused on Sportsbetting, Gambling & iGaming industries, with headquarters in Ireland. Our team is delighted to have been collaborating with customers from across the globe since 2017. Currently, we are seeking a Sportsbook Solutions Architect to join one of our clients - a leading company in the … type safety (tRPC/GraphQL). Establish CI/CD and GitOps practices with GitHub Actions and ArgoCD, including automated testing, vulnerability scanning, and environment promotion workflows. Drive the definition and implementation of observability standards - Prometheus, Grafana, Loki/ELK, Jaeger, Sentry - enabling end-to-end visibility and SLA tracking. Define scalability and reliability patterns (KEDA, HPA, circuit … are a Sportsbook Solutions Architect with a passion for technology and a desire to make a difference, we'd love to hear from you. Join us in shaping the future of IT and apply today! The Unit is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. More ❯
Employment Type: Permanent
Salary: EUR 125,000 - 150,000 Annual
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UI Architect

london, south east england, united kingdom
Centric Software
Job Summary We are looking for a visionary UI Architect with deep expertise in React to lead the design and development of user interfaces for our next-generation, cloud-native SaaS enterprise platform. You will define the frontend architecture, ensure best-in-class performance, and drive seamless user experiences across complex business workflows. This is a … for thousands of global users. Key Responsibilities 1. Frontend Architecture & Engineering Design and evolve a React-based architecture for a large-scale, multi-tenant SaaS platform deployed in the cloud. Create and enforce design principles for modular, reusable, and scalable UI components using tools like React, TypeScript, and Tailwind CSS/Emotion. Architect and guide implementation of component … with DevOps and Platform teams to integrate CI/CD pipelines, cloud deployments (AWS/GCP/Azure), and monitoring tools. Embrace 12-Factor App principles and design UIs that work with distributed backend systems. 3. Leadership & Collaboration Lead and mentor a team of frontend engineers across multiple squads. Define and promote React development More ❯
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Full Stack Engineer

London Area, United Kingdom
Russell Tobin
Full-Stack Engineer (Python | Node.js | React | MongoDB) 📍 Remote 📅 Duration: 12 months Rate flexible 🌟 About the Role We’re looking for a versatile Full-Stack Engineer who can build modern, scalable, and cloud-ready web applications. You’ll work across Python, Node.js, React, and MongoDB while contributing to microservices, cloud deployments, CI/CD, and production reliability. If you … and maintain end-to-end web applications using Python, Node.js/React, and MongoDB. Develop and deploy microservice-based architectures aligned with 12-Factor App principles. Work closely with product, design, and engineering teams to turn business needs into technical solutions. Build and integrate RESTful APIs and manage backend-frontend data flows. Implement CI … expertise in Python and JavaScript (Node.js & React). Experience with MongoDB (schema design, indexing, performance tuning). Deep understanding of microservices and 12-Factor App best practices. Proficiency with CI/CD , Docker, and Git workflows. Strong experience with RESTful API design, consumption, and security. Solid grasp of software engineering principles, testing methodologies, and More ❯
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Full Stack Engineer

City of London, London, United Kingdom
Russell Tobin
Full-Stack Engineer (Python | Node.js | React | MongoDB) 📍 Remote 📅 Duration: 12 months Rate flexible 🌟 About the Role We’re looking for a versatile Full-Stack Engineer who can build modern, scalable, and cloud-ready web applications. You’ll work across Python, Node.js, React, and MongoDB while contributing to microservices, cloud deployments, CI/CD, and production reliability. If you … and maintain end-to-end web applications using Python, Node.js/React, and MongoDB. Develop and deploy microservice-based architectures aligned with 12-Factor App principles. Work closely with product, design, and engineering teams to turn business needs into technical solutions. Build and integrate RESTful APIs and manage backend-frontend data flows. Implement CI … expertise in Python and JavaScript (Node.js & React). Experience with MongoDB (schema design, indexing, performance tuning). Deep understanding of microservices and 12-Factor App best practices. Proficiency with CI/CD , Docker, and Git workflows. Strong experience with RESTful API design, consumption, and security. Solid grasp of software engineering principles, testing methodologies, and More ❯
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Web Developer

United Kingdom
eTeam
end-to-end web applications using Python , JavaScript (Node.js/React) , and MongoDB . Build and deploy microservice-based architectures aligned with 12-Factor App principles , ensuring scalability, maintainability, and resilience. Collaborate with product managers, designers, and other engineers to translate business requirements into robust technical solutions. Develop and integrate RESTful APIs and manage … Node.js and React) . Hands-on experience with MongoDB (schema design, indexing, and performance optimization). Solid understanding of microservice architecture and 12-Factor App methodology . Familiarity with CI/CD tools , Docker , and Git-based workflows . Proficiency in designing, consuming, and securing RESTful APIs . Good understanding of software design More ❯
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Full Stack Engineer

City of London, London, United Kingdom
eTeam
maintain end-to-end web applications using Python, JavaScript (Node.js/React), and MongoDB. • Build and deploy microservice-based architectures aligned with 12-Factor App principles, ensuring scalability, maintainability, and resilience. • Collaborate with product managers, designers, and other engineers to translate business requirements into robust technical solutions. • Develop and integrate RESTful APIs and manage … Node.js and React). • Hands-on experience with MongoDB (schema design, indexing, and performance optimization). • Solid understanding of microservice architecture and 12-Factor App methodology. • Familiarity with CI/CD tools, Docker, and Git-based workflows. • Proficiency in designing, consuming, and securing RESTful APIs. • Good understanding of software design principles, testing frameworks, and More ❯
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Full Stack Engineer

London Area, United Kingdom
eTeam
maintain end-to-end web applications using Python, JavaScript (Node.js/React), and MongoDB. • Build and deploy microservice-based architectures aligned with 12-Factor App principles, ensuring scalability, maintainability, and resilience. • Collaborate with product managers, designers, and other engineers to translate business requirements into robust technical solutions. • Develop and integrate RESTful APIs and manage … Node.js and React). • Hands-on experience with MongoDB (schema design, indexing, and performance optimization). • Solid understanding of microservice architecture and 12-Factor App methodology. • Familiarity with CI/CD tools, Docker, and Git-based workflows. • Proficiency in designing, consuming, and securing RESTful APIs. • Good understanding of software design principles, testing frameworks, and More ❯
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Full Stack Engineer

United Kingdom
eTeam
and maintain end-to-end web applications using Python , Node.js/React , and MongoDB ✔️ Build and deploy microservice-based architectures aligned with 12-Factor App principles ✔️ Collaborate with product, design, and engineering teams to deliver robust solutions ✔️ Develop and integrate RESTful APIs and manage backend–frontend workflows ✔️ Implement CI/CD pipelines , automated testing … Skills: 🔹 Strong programming skills in Python & JavaScript (Node.js + React) 🔹 Hands-on experience with MongoDB (schema, indexing, performance) 🔹 Solid understanding of microservices & 12-Factor App methodology 🔹 Experience with CI/CD , Docker , and Git workflows 🔹 Expertise in RESTful API design & security 🔹 Strong grasp of software design principles and testing frameworks ✨ Nice-to-Have More ❯
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Quality Engineer

United Kingdom
eTeam
QA Engineer (12-Month Contract | Remote) Location: Remote 📅 Duration: 12 months 📍 Location: Remote 📅 Duration: 12 months We’re looking for a QA Specialist who can own and drive the end-to-end QA strategy for a high-impact product. If you’re passionate about quality, love collaborating with developers, and enjoy working across both manual and automated testing … this role is for you! 🔧 Key Responsibilities Lead the QA strategy and work closely with a dev team of 3–5. Design detailed test plans, test cases, and test data . Perform manual testing for UI, workflows, and edge cases across web + API. Build and maintain automated test suites (API, integration, regression). Integrate testing into CI … Playwright, Selenium , or Robot Framework. Exposure to performance testing (JMeter, k6) or security testing (OWASP, Burp Suite). Understanding of microservice architecture & 12-Factor App principles. Experience mentoring junior QA or setting up QA processes. If you fit the above or know someone who does — feel free to reach out or share More ❯
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Quality Assurance Tester

United Kingdom
eTeam
Role’s Responsibilities Own and drive the end-to-end QA strategy for an asset or product, working closely with a team of 3–5 developers. Design comprehensive test plans, test cases, and test data covering both functional and non-functional requirements. Perform manual testing to validate user workflows, edge cases, and UI behavior across web and API … releases meet defined quality gates before deployment. Track, report, and prioritize defects using standard tools (e.g., JIRA) and continuously improve QA processes. Champion a quality-first mindset across the team — mentoring others in testing best practices and root cause analysis Skills Mandatory Skills Hands-on experience in manual and automated testing for web applications and APIs. Strong understanding … or Robot Framework). Exposure to performance testing (JMeter, k6) and security testing (OWASP, Burp Suite). Understanding of microservice architectures and 12-Factor App deployment patterns to tailor QA strategies accordingly. Experience mentoring junior QA engineers or setting up QA practices for new assets. More ❯
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The Twelve-Factor App
25th Percentile
£76,250
Median
£77,500
75th Percentile
£78,750