126 to 150 of 185 Ruby Jobs in London

JSON payload analysis Experience with APIs specs like OpenAPI, web development, and writing scripts to build internal tools (e.g., bash scripting, Python, SQL, Ruby, Golang, Postman) Compensation: Base pay range of £100,000 - £135,000/€90,000 – €135,000+ equity with tremendous upside potential + Attractive benefits Benefits ...

evals, and you know the practical limits of current models. Strong full-stack chops: TypeScript on the front end plus one strong backend language (Ruby, Go, or Python), and comfort working across web and mobile (iOS/Android or React Native). Deep familiarity with SDKs, wrappers, and developer-facing ...

evals, and you know the practical limits of current models.Strong full-stack chops: TypeScript on the front end plus one strong backend language (Ruby, Go, or Python), and comfort working across web and mobile (iOS/Android or React Native).Deep familiarity with SDKs, wrappers, and developer-facing APIs ...

Full Stack Developer/Software Engineer (Java Ruby Angular) London/WFH to 90kAre you Java technologist with full stack development skills You could be progressing your career in a hands-on, impactful, Full Stack Developer role, working on a "tech for good" product that is helping to drive efficiencies … Full Stack Developer you will play a crucial role in re-architecting and enhancing the scheduling platform to a Java and Angular codebase (from Ruby and TypeScript). You'll have a 50/50 split between backend and frontend projects, from designing and developing scalable backend Java services ...

systems through on-call rotations and incident management.Business as Usual (BAU): Continuous maintenance, improvements, and support for audits and compliance.Tech stack and tools:Python, Ruby, Golang;Terraform;Atlantis AWS, GCP;Kubernetes, GKE;Github, GitHub Actions, ArgoCD;Grafana, Prometheus;DatadogWhat excites you:We use a wide range of technologies, and will … same values as you and who will continually push you to grow.What excites us Experience with at least one programming language such as Python, Ruby, Golang etc.;Experience with IaC tooling, such as Terraform;Previous experience with Terraform automation toolings such as Terragrunt or Atlantis will be considered an advantage ...

lead their own business and architectural domain, and are supported by our Platform, Domain Engineering, Data and IT teams. Our platform uses technologies including Ruby and Rails and Python/React, backed by PostgreSQL, Fargate/ECS on AWS, and Cloud Run on GCP. It exposes APIs that are used … enthusiasm using AI coding tools, or a keenness to adopt this style of working. Are willing to pick up app‐side stacks like Ruby and Python, and are comfortable operating inside long‐lived monoliths without trying to rewrite them. Take end‐to‐end ownership of problems (even without a ticket ...

money doing something you are passionate about.My client is based in Central London, Fully RemoteJava Engineer, Java Developer, React.JS Growth Javascript CSS HTML Frontend Ruby, Java, Ruby on Rails, CSS, HTML5, Linux REST, Javascript ...

about.My client is based in Central London, this role is remote for the considerable future.Java Engineer, Java Developer, React.JS Growth Javascript CSS HTML Frontend Ruby, Java, Ruby on Rails, CSS, HTML5, Linux REST, Javascript ...

Ruby on Rails Developer - London (Hybrid) | Full-Time FRESH has partnered with a fast-growing B2B SaaS company building a next-generation data platform that delivers real-time insights to support passengers requiring assistance while travelling. They are now hiring a Senior Developer to strengthen the core backend of their … scope Collaborate within a cross-functional product squad Support and mentor engineers through technical leadership and problem-solving Key Requirements: Strong commercial experience with Ruby on Rails in production environments Solid understanding of Rails monolith architecture and full-stack troubleshooting Experience building and maintaining RESTful APIs Strong knowledge of PostgreSQL ...

role will also involve setting up automated test frameworks from scratch as well as some strategy on future development plans. Currently the site is Ruby based with HTML5 CSS3 and a mobile application.As a UI Automation Tester you MUST have:3 years’ experience using automated testing tools.Experience with functional testing ...

information, identify problems and trends, and develop effective solutions and strategiesPreferred qualifications:10 years of experience in DevelopmentAgile Certification or Project Management CertificationExposure to Ruby on RailsExperience working within a cloud-based infrastructureMajor Responsibilities:Define technical solutions and research alternatives to meet business requirement goals, end user requirements and system ...

demonstrated impact that your work has had on the product and/or the teamsDeep knowledge of a high-level programming language (for example, Ruby, Python, Perl etc.) but it doesn’t need to be a language that we use here! Great people are effective and learn what ...

enhance enterprise‐scale web services and distributed APIs that support high‐volume financial technology platforms. Develop primarily in Java, with opportunities to work with Ruby where needed. Work with container‐based technologies to build, deploy, and operate scalable services. Use Claude, GitHub Copilot, and other AI‐assisted development tools … testing, and operating enterprise‐scale web services. Experience with Kafka and SpringBoot. Experience designing, developing, or consuming distributed APIs in production environments. Familiarity with Ruby or willingness to work with Ruby‐based components as needed. Experience using GitHub Copilot, Claude, Cursor, or similar generative AI tools as part ...

system reliability, performance and scalability Actively monitor systems, identify problems and propose solutions Bonus points for the following: Experience optimising PostgreSQL databases Experience with Ruby on Rails or supporting Rails-based applications Experience working on systems at scale Experience in a startup, scale-up, or high-growth environment Experience being … robust platform. In some areas of the work (e.g. payment processing) there is very little margin for error. Our technology platform is built in Ruby on Rails, hosted on AWS services (via Terraform), Postgres, Docker We have wide automated test coverage, continuous deployment via CircleCI, and our Engineering team release ...

this role is hybrid 1 day a week in the office, potentially 4 per month in bulk.JavaScript Engineer, React.JS Growth Javascript CSS HTML Frontend Ruby, Java, Ruby on Rails, CSS, HTML5, Linux REST, Javascript ...

hybrid 1 day a week in the office, potentially 4 per month in bulk.Java Engineer, Java Developer, React.JS Growth Javascript CSS HTML Frontend Ruby, Java, Ruby on Rails, CSS, HTML5, Linux REST, Javascript ...

culture of technical excellence and collaboration. Who You Are 8+ years of experience building and scaling backend systems in production environments. 4+ years leading Ruby cloud stack teams as a Principal Engineer/Architect. You are very familiar with the Ruby object model - eigenclasses, method dispatch, method_missing, send … variable types. Expert skills with Ruby idiomatic patterns, terse styling, metaprogramming and be able to create macros, DSLs, etc. Have experience contributing to wildly used gems or developed internal DSLs for domain specific needs. Ruby without Rails - you are able to develop complex applications and deploy Rails features vs custom ...

professional titled “House Pay Tech Lead.” You will design and implement practical solutions, champion code quality, and collaborate with business stakeholders across technical levels. Ruby experience is a plus, and polyglot engineers are welcome to contribute across languages as needed. You’ll lead the House Pay area, drive architectural decisions ...

Junior Java Developer –Python, Ruby, Fintech50London45,000-50,000 + bonusQuant Capital is urgently looking for a Junior Java Developerto join our high profile client.Our client is an established financial data technology start up. They enable rapid trading transactions to be processed and are innovators in algorithm matching, big data … well known to take intractable problems the trading industry faces, employing highly-parallel algorithms, natural-language parsing and a diverse, cutting-edge technology Java, Ruby, Scala, Coffeescript and Java stack. The company structure is very flat and everyone writes code.I am looking for a Junior Java Developer who hacks code ...

whole product cycle, with end-to-end ownership from a product-based company. Primarily you’ll be working with JavaScript (Node, React, Redux) and Ruby, (with an equal split 50/50). However, they know that a good developer can pick up a new language quickly, so they … really not fussed on your background. Their software engineering stack looks like this: React, Redux, Node, Ruby, AWS, Linux, Elasticsearch, Cassandra, Kubernetes, Docker, Kafka. The candidate Based near Tottenham Court Road Station (right by the Meta offices), they’re offering a salary of up to £120K. On top of that ...

whole product cycle, with end-to-end ownership from a product based company. Primarily you’ll be working with JavaScript (Node, React, Redux) and Ruby, (with an equal split 50/50). However, they know that a good developer can pick up a new language quickly, so they … really not fussed on your background. Their software engineering stack looks like this: React, Redux, Node, Ruby, AWS, Linux, Elasticsearch, Cassandra, Kubernetes, Docker, Kafka. What’s in it for you? Based near Tottenham Court Road Station (right by the Meta offices), they’re offering a salary of up to £115K. ...

based company and a strong track record of solving complex technical problems. You’ll primarily work on the backend of their stack with Node.js, Ruby, and Kafka, impacting everything from API development to the user interface to the database, but a strong background in any language is acceptable. Current stack … React, Redux, Ruby, Node, AWS, Linux, Elasticsearch, Cassandra, Kubernetes, Docker, and Kafka. What’s in it for you? Salary up to £120K, an annual bonus of 8–10%, stock options, 25 days holiday plus bank holidays. Based near Tottenham Court Road Station, the role requires coming into the office ...

Linux DevOps Engineer – Linux, Ruby, Coffeescript, Puppet, NoSQLLondon80,000 – bonusQuant Capital is urgently looking for a Linux DevOps Engineer to join our high profile client.Our client is a brand new financial data technology start up. They enable rapid trading transactions to be processed and are innovators in algorithm matching … release infrastructure & automationNetwork administrationComfortable working in Agile environmentsPlanning and engineering multi-site fail-over solutionsHappy to get stuck into a complex technology stack (Ruby, Coffeescript, Java, Scala)As a Linux DevOps Engineer you MUST have: (the below also gives you an idea of stack)Linux Ubuntu administrationExperience with DevOps process ...

below (gives you a good idea of tech stack)· OS: Red Hat Linux, bare metal and virtual machines· Provisioning: Puppet, Kickstart, RPM· Languages: Bash, Ruby, Python, Java, Clojure· Security: Kerberos, SELinux, LDAP· Big Data: HDFS, Flink, Kafka· Containers: Docker, KVM· Schedulers: YARN, KubernetesYou will be joining a progressive and exciting … money doing something you are passionate about.Follow me on Twitter for more roles and news @SebFintechSytems ENgineer – Security, Hadoop, SPark, debian, SELinux, Debian, puppet, ruby , python, kerberos ...

product managers, designers, and frontend engineers to deliver features that directly impact Raylo’s growth and customer experience.Work with a modern backend stack including Ruby on Rails (8.0), Sidekiq Enterprise (200k+ jobs daily), Heroku, GitHub Actions (CI/CD), Playwright (E2E testing), and GraphQL APIs.What You’ll DoBuild, maintain … scale backend services using Ruby on Rails and related technologies.Collaborate with product and frontend teams to deliver features that enable new customer experiences and operational efficiencies.Participate in code reviews and pairing sessions, sharing knowledge and learning from others.Integrate and optimise third-party services that power our subscription platform.Continuously improve backend ...