designing, managing, deploying, and maintaining container based workloads into Kubernetes clusters Knowledge of GitOps including an understanding of modern CI/CD pipelines, techniques and technologies (Github Actions, GitLab, CircleCI, Argo CD, Flux) Knowledge of IaC and configuration management tools (Terraform, OpenTofu, Crossplane, Pulumi, Ansible, CloudFormation) Strong problem-solving experience, focusing on automation Production experience with Monitoring and Observability tools More ❯
on experience using tools like Playwright, Selenium, Cypress, or RestAssured. Knowledge of integration testing and automation frameworks. Hands-on experience with CI/CD pipelines and tools (e.g., Jenkins, CircleCI, GitLab CI, Azure DevOps). Excellent communication and stakeholder management skills. Bonus Points for: Previous experience in a consultancy environment . Hands-on coding experience in additional languages like Python More ❯
Strong hands-on expertise in DevSecOps practices, particularly security automation in CI/CD and infrastructure-as-code pipelines. Deep understanding of modern DevOps tooling (e.g., GitHub Actions/CircleCI, Terraform, Kubernetes, Docker) with secure configurations. Experience implementing security controls in cloud-native environments (e.g., AWS or Azure) including IAM, network policies, and container security. Proven track record of using More ❯
as Istio, Linkerd, App Mesh Writing Helm charts to package and deliver application stacks into production Delivering applications and infrastructure continuously using CI/CD tools such as GitlabCI, CircleCI, Github Actions, and GitOps using ArgoCD, FluxCD Troubleshooting and debugging applications using Observability tooling across microservices and serverless applications such as Splunk, DataDog Managing ephemeral secrets and credentials using Hashicorp More ❯
for our users Key Technologies Cloud Platforms: Google Cloud Platform and AWS Frameworks: Vue.js, Django Rest Framework, Container-based and Serverless architectures Databases: MongoDB and DynamoDB DevOps and Monitoring: CircleCI, GitHub Actions, Kubernetes, Celery, EventBridge and DataDog Why Prolific is a great place to work We've built a unique platform that connects researchers and companies with a global pool More ❯
big data tech (Spark, Hadoop, Airflow) Solid understanding of SQL, ETL/ELT approaches, and data modelling techniques Experience building CI/CD pipelines with tools like Jenkins or CircleCI Knowledge of data security protocols and distributed system design Bonus Points For Experience with messaging systems (Kafka, Spark Streaming, Kinesis) Familiarity with schema design and semi-structured data formats Exposure More ❯
organized amongst chaos. Be familiar with our tech stack: TypeScript, React, styled-component Python PostgreSQL, BigQuery, MySQL Jest, React Testing Library, Cypress, pytes AWS, GCP Kubernetes, Docker, Terraform, GitHub, CircleCI Next.js (Preferred) AR/VR (Preferred) Embrace differences and know that when we can be ourselves at work, we are happier, more motivated, and creative. We want to be able More ❯
systems, preferably MongoDB, as well as ACID and replication Strong understanding of replication and sharding techniques Experience with Continuous Integration and Continuous Delivery tools such as GitHub Actions, Jenkins, CircleCI, and Travis Experience with high-concurrency threading models, atomics, and locking primitives Knowledge of various programming and scripting languages such as BASH, Perl, and Python Working with tools like profiler More ❯
Protect yourself from fraudulent recruiters targeting CircleCI job seekers. We prioritize the health and wellbeing of our employees through our comprehensive benefit package, including generous paid time off to rest and recharge, holistic mental health support, and benefits covering employees up to 100%. Growth Flexibility What does it mean to work at CircleCI? For us, flexibility is key. Strategic … Account Executive, EMEA As a Strategic Account Executive at CircleCI, you are a bold, intellectually curious, and results-driven individual who understands our product in-depth and is passionate about presenting its value to customers. This is an impactful role at CircleCI, involving introducing our solution to new engineering teams. You'll be responsible for driving the sales process for … provided for individuals with disabilities during the application and interview process, to perform essential job functions, and to receive other employment benefits. Please contact us to request accommodations. About CircleCICircleCI is the world's largest CI/CD platform, facilitating code movement from idea to delivery. As a leading DevOps tool processing over 3 million jobs daily, we have More ❯
workflows, and CI/CD pipelines Nice to Have: Ruby knowledge (Shopify Back End) Experience with eCommerce tools: OMS, IMS, tax engines, credit card processing, digital distribution Jenkins/CircleCI/GitHub Actions for CI/CD More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Lorien
Working with a modern, cloud-native stack Tech Stack Languages: JavaScript, Node.js Databases: SQL, PostgreSQL, BigQuery Cloud: AWS (Lambda, S3, Kinesis, RDS, Step Functions, AppFlow) DevOps: Serverless, Heroku, GitHub, CircleCI Monitoring: Graphite, Grafana, Splunk Bonus: Experience in marketing tech or AI What We're Looking For Strong full stack engineering experience Comfortable working without front-end frameworks Ability to mentor More ❯
Solver technology and algorithms to drive our workflow scheduling solver engine Deployment on AWS to IoT Greengrass, ECS, Lambda and EKS, with infrastructure managed via Terraform and pipelines via CircleCI Feature flags to enable us to experiment and control when we release new features to customers In this role, you will be responsible for: Support, mentor and line manage More ❯
TypeScript and Node.js. Own Containerised Environments: Develop and manage Docker-based test infrastructures-including Dockerfiles, docker-compose, and TestContainers setups. Champion CI/CD & Shift-Left: Integrate tests into CircleCI pipelines, advocate for early testing in the development lifecycle, and accelerate feedback loops. Benefits & Interview Process Freetrade is the place to accelerate your career. Our benefits package and ways of More ❯
variety of languages, including Java and Go for backend and TypeScript for frontend • Open-source technologies like Cassandra, Spark, Elasticsearch, React, and Redux • Industry-standard build tooling, including Gradle, CircleCI, and GitHub What We Value Passion for helping other developers build better applications. Empathy for the impact your changes will have on the workflows and productivity of developers and end More ❯
partners, and platforms across the industry. Our Tech Stack: Apache Airflow Python Django React/Typescript AWS (S3, RDS withPostgresql, ElastiCache, MSK, EC2, ECS, Fargate, Lamda etc.) Snowflake Terraform CircleCI Bitbucket Your mission Lead and scale multiple engineering teams simultaneously, drawing on your previousexperience to navigate complex organisational challenges and drive technical excellence Architect the future structure of our engineering More ❯
Whetstone, Greater London, UK Hybrid / WFH Options
Automata
Solver technology and algorithms to drive our workflow scheduling solver engine Deployment on AWS to IoT Greengrass, ECS, Lambda and EKS, with infrastructure managed via Terraform and pipelines via CircleCI Feature flags to enable us to experiment and control when we release new features to customers In this role, you will be responsible for: Support, mentor and line manage More ❯
APIs - Experience with NodeJS & building web APIs Frameworks - Experience with frameworks such as Gatsby, NextJS, Remix Tooling - Experience with frontend tooling & building pipelines in modern CI platforms. One of: CircleCI, Travis, Gitlab CI, Github Actions Added bonus Cross-function - Experience working in cross-functional team environments (fe, be, data, etc all on the same team) Leadership - Experience leading swat teams More ❯
Two Circles is a global sports agency. We drive growth for sports properties by delivering deeper connections with fans, through the intelligent use of data and technology. We work with some of the world's biggest sports organisations - including the More ❯
architectures (e.g. clean architecture). Passion for delivering high-qualityUI/UXthat adapts well across screen sizes and device types. Comfortable working inCI/CD environments, using tools likeBitrise,CircleCI,GitHub Actions, orAzure DevOps. Hands-on experience withagile development practices, and a pragmatic approach to testing including unit, integration, and UI testing. Nice To Have Experience working onsports, media, or More ❯
TCA,modularisation,dependency injection). Passion for delivering high-qualityUI/UXthat adapts well across screen sizes and device types. Comfortable working inCI/CD environments, using tools likeBitrise,CircleCI,GitHub Actions, orAzure DevOps. Hands-on experience withagile development practices, and a pragmatic approach to testing including unit, integration, and UI testing. Nice To Have Experience working onsports, media, or More ❯
Experience in successfully releasing apps to the App Store - A quality-led development approach, including use of version control, unit/UI testing, and CI/CD (e.g. Git, CircleCI) - Understanding of RESTful APIs and how they integrate with mobile services - Enthusiasm for adopting emerging technologies such as Combine and SwiftUI - Knowledge of architectural design patterns like VIPER and MVVM More ❯
architectures (e.g. clean architecture). Passion for delivering high-qualityUI/UXthat adapts well across screen sizes and device types. Comfortable working inCI/CD environments, using tools likeBitrise,CircleCI,GitHub Actions, orAzure DevOps. Hands-on experience withagile development practices, and a pragmatic approach to testing including unit, integration, and UI testing. Nice To Have Experience working onsports, media, or More ❯
Wandsworth, Greater London, UK Hybrid / WFH Options
DELIVEROO
popular dish. Requirements 3+ years' experience as a ML Engineer or Data Scientist 3+ years' experience in Python Experience productionising ML models Experience using tools like Git, Docker, Kubernetes, CircleCI You know the fundamentals of machine learning and when they should be applied You can translate an unstructured business problem into a well-thought-out algorithmic solution You get satisfaction More ❯
and test coverage Our Stack ECMAScript (latest specification, as needed) Webpack + Babel (ES6 modules) Styled Components Storybook Unit testing with Jest (over 9000 unit tests across our app) CircleCI for continuous integration and deployment Basic Qualifications Commitment to high development standards and comprehensive testing Ability to work collaboratively with peers across various functions Ability to estimate work, meet deadlines More ❯
with backend teams to implement sync logic, authentication, and secure data flows Contribute to scalable project architecture, reusable components, atomic design, and efficient CI/CD workflows (Expo EAS, CircleCI, etc.) Collaborate closely with other engineers, designers and stakeholders in a co-located team environment Participate in code reviews and knowledge sharing Skills & Experience: 5+ years of professional front-end … Expo Router) Familiar with local storage management and offline-first approaches Comfortable troubleshooting 3rd-party SDKs & forking open-source packages when needed Good understanding of mobile build pipelines (EAS, CircleCI, Xcode, Android Studio) Ability to demonstrate end-to-end delivery - from MVP to production Excellent communication & problem-solving skills Desirable: Prior payment provider integration (Stripe, Adyen, or similar) in a More ❯