201 to 225 of 273 Permanent Ruby Jobs

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 ...

Zealand Bonus points Experience building large scale systems Experience being self-employed (freelancing, contracting etc) in any industry/profession Experience using Ruby on Rails How we work We follow agile practices, delivering improvements iteratively in small chunks. We track the impact of our work and measure ourselves on results … 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, and we also use a bunch of AWS services (via Terraform), Postgres, Docker, and a little bit of React. We have automated tests ...

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 ...

example, database access patterns, background processing, and job orchestration) by forming hypotheses, running experiments, and validating results with data.Write secure, well-tested, maintainable Ruby on Rails code in a large monolith, improving existing features while reducing technical debt and operational risk.Lead cross-functional technical work with Product, UX, and Infrastructure … patterns, and learnings with other engineers, raising the bar for responsible AI integration and evidence-driven engineering across CI.What you’ll bringAdvanced proficiency with Ruby and Ruby on Rails, with experience building and maintaining reliable backend services in a large codebase.Strong PostgreSQL skills, including data modeling, query tuning, and scaling ...

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 ...

wider project exposure, or work towards future certifications, you'll have the support and opportunity to continue developing your career. Apply now or contact Ruby Calver at Spectrum IT Recruitment for more information. Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy. ...

Bank holidays 5% performance-based bonus Company phone and laptop In-house and external training opportunities Regular team social events Apply now or contact Ruby Calver at Spectrum IT Recruitment to find out more. Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy. ...

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. 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. ...

Bonus points for the following: Experience building large scale systems Experience being self-employed (freelancing, contracting etc) in any industry/profession Experience with Ruby on Rails How we work We follow agile practices, delivering improvements iteratively in small chunks. We track the impact of our work and measure ourselves … 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, and we also use a bunch of AWS services (via Terraform), Postgres, Docker, and a little bit of React We have automated tests ...

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 ...

Tier 3 on-call rotations to troubleshoot production, security, and urgent engineering issues in a globally distributed environment.What you’ll bringDeep experience with Ruby and Rails, comfortable working within a large, established monolith and shipping production code effectively.Proven track record building products that interact with large language models, not training ...

Contribute to a culture of autonomy, ownership, high context sharing, and async-first collaboration. What we're looking for Strong, hands-on experience with Ruby and Ruby on Rails in production systems. Experience integrating LLMs into products (product integration, not ML model training). Experience building agentic systems : autonomous ...

technical quality.Contribute to a culture of autonomy, ownership, high context sharing, and async-first collaboration.What we're looking forStrong, hands-on experience with Ruby and Ruby on Rails in production systems.Experience integrating LLMs into products (product integration, not ML model training).Experience building agentic systems: autonomous or semi-autonomous agents ...

technical discipline with proven experience maintaining and delivering production software coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, Go, Ruby, Rust, or Python OR Associate’s Degree in Computer Science, Electrical Engineering, Electronics Engineering, Math, Physics, Computer Engineering, Computer Science, or related field AND 8+ … technical discipline with proven experience maintaining and delivering production software coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, Go, Ruby, Rust, or Python OR Bachelor's Degree in Computer Science or related field AND 7+ years experience in Software Engineering, Computer Science, or related technical ...

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 ...

automation test suite and frameworkPerform any manual testing that is requiredMake sure that all test steps are clearly recorded for auditing purposesThe stack is Ruby, Maven, HTML5 with some Angular and Node in parts.QA Engineers Must have:4 years testing experience2 years of experience in testing high-throughput systems … technology and the possibility of making serious money doing something you are passionate about.My client is based in Central LondonTester, QA, Quality Assurance, Ruby, Java, Ruby on Rails, CSS, HTML5, Linux REST, Javascript, Testing ...

client is based in Central London but this is home based for the significant future.Java Engineer, Java Developer, 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.QA, Java Engineer, Java Developer, React.JS Growth Javascript CSS HTML Frontend Ruby, Java, Ruby on Rails, CSS, HTML5, Linux REST, Javascript ...