Rails developer jobs in Remote

 ...ephemeral environments, and AI-assisted testing and verification. Develop workflows where AI safely drafts test suites, scenarios, and...  ...or Kubernetes), and Postgres, and are comfortable inside a large Rails application with React and mobile clients. You have built and... 

 ...T-Rex Solutions is seeking a Microsoft Power Platform Developer to supports both the Enterprise Intelligence and Data Solutions (EIDS) and Defense Healthcare Management System Modernization (DHMSM) programs in support of the Defense Health Agency (DHA) by building and maintaining... 

Hogan Product Development: Designs, develops, installs, tests and documents complex applications software. Contributes to the design and delivery of technical architecture solution components. Provides work guidance to less experienced personnel. May provide technical consulting... 

 ...position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for an Angular Developer based in Australia. We are seeking a skilled Angular Developer to build, enhance, and maintain modern web applications and... 

 ...as tracking down subtle bugs, building non-trivial features, handling application state and lifecycle, or improving performance. Develop tasks relevant to your expertise: cross-platform applications using TypeScript, JavaScript, or Dart; iOS applications using Swift; or... 

 ...Role In this business, an idea only starts producing revenue once it is live as a working page, funnel or checkout. Marketing can develop a concept and write the copy in a day. How fast that becomes a live, accurate and fully functioning funnel is what determines how fast... 

 ...support sustainable growth. Accountabilities - Own and execute the technical roadmap for core payment infrastructure, including payment rails, ledger systems, settlement engines, currency conversion, and virtual account capabilities. - Lead the development of virtual accounts... 

 ...About the Role We are looking for experienced game developers to help train and evaluate AI models on game development. You will create realistic game-development tasks, review game code and project structure, and assess AI-generated game logic. Key Responsibilities... 

 ...Work Remarkable • TopTalent from LatAm Hello! We are GoFasti, a Talent-as-a-Service. GoFasti bridges the gap between world-class developers and designers from LatAm and first-class companies around the globe. We need an English-fluent Jr. Web Developer , based in... 

Design challenging research questions that AI cannot answer online. About Turing: Turing is one of the world’s fastest-growing AI companies, accelerating the advancement and deployment of powerful AI systems. Turing helps customers in two ways: Working with the world...

 ...expertise to AI. As our global expert network grows, micro1 is building the human intelligence layer for frontier AI. Role Title: Game Developer Role Type: Contractor Location: Remote micro1 is engaging Game Developers to contribute to a pioneering customer project... 

 ...platform on the planet, Tether is the place for you. Are you ready to be part of the future? About the job We are looking for Developer Productivity Engineer to help QVAC application teams develop, review, test, and deliver reliable software with less friction. Your... 

 ...equipment function and fault pathways. Diagnose faults and performance issues in industrial, HVAC, elevator, heavy equipment, marine, rail, utility, or telecom systems using technical documentation. Analyze PLC logic and industrial controls to identify root causes of... 

 ...wrong solutions before real users hit them. Roles this fits Common backgrounds: Software Engineer, Backend Engineer, Full-Stack Developer, DevOps Engineer. What we look for Professional or serious open-source experience shipping production code. Comfort in at... 

 ...Responsibilities Architect, implement, and optimize automated test frameworks for complex product areas. Design, develop, and maintain automated API, UI, and integration test suites. Lead test strategy development, risk analysis, and test architecture for major features... 

 ...features, understands how systems run in production, and is looking to grow into owning services end-to-end. What You'll Do Design, develop, and maintain full-stack applications using React, TypeScript, and Python Build and enhance backend APIs and services for scalability... 

The Wikimedia Foundation is looking for a Senior Software Engineer, Android to support the App Experience and App Growth teams within the Core Experiences engineering group.  Our teams have a clear and ambitious goal: make our apps the destination for knowledge lovers and grow...

Spelling & Grammar Correction (On-Device AI) Join TELUS Digital as a freelance AI linguistic specialist and help improve on-device spelling and grammar correction for Arabic used by millions of users worldwide. Responsibilities Script Verification: Review Arabic...

BUILDING THE FUTURE OF OPEN FINANCE Payward – the parent company behind Kraken, NinjaTrader, Breakout, xStocks, Payward Services and CF Benchmarks – has spent the last 15 years building one of the most modern and globally accessible financial infrastructure platforms in the...

About the Project We build hard, verifiable command-line tasks used to evaluate frontier AI agents. AI agents are good at the textbook. They still fail where experience matters: a default nobody questions, a rule nobody wrote down, a fix that looks right and isn't. Much...

 ...management, release process enhancements, metrics collection, and build efficiency (DevOps mindset), and track record of owning and developing engineering processes end-to-end – Strong experience in CI build tools (GitHub Actions, Java ecosystem – Maven, Docker) and automations... 

 ...Collaborate with a cross-functional team of engineers, product managers, and designers to create world-class products. Own and develop new customer-facing features end-to-end Improve system reliability, scalability, and performance Contribute to code reviews, technical... 

 ...debug, and maintain well-defined changes to query operators, expression evaluation, execution scheduling, and resource management. Develop reliable software: Write clear, maintainable Java code; add unit and integration tests; and follow established engineering practices... 

 ...evaluations, and engineering talent. We are staffing a frontier AI data initiative building the infrastructure and training data used to develop and evaluate AI agents. You will be assigned to one of two tracks: connectors or tasks. Responsibilities Use AI coding... 

 ...applications, autonomous agents, intelligent workflows, and full-stack software tailored to real-world business requirements. Beyond developing models and prompts, you will engineer the systems that make AI applications reliable, secure, observable, and scalable.... 

 ...are seeking a talented and motivated Node.js Software Engineer to join our dynamic team. In this role, you will be responsible for developing and maintaining our P2P stack and expanding our ecosystem, which includes over 1500 public npm modules and robust, modular codebase.... 

 ...delivery of scoped features through collaborative engineering teams, keeping work aligned with platform and system objectives. Design, develop, test, and maintain high-quality, efficient services in Node.js, TypeScript, and Rust, across the full software lifecycle and CI/CD.... 

 ...reasoning are useful • Whether the output reflects strong engineering judgment • Whether the interaction feels right to an experienced developer This role is about engineering taste. Syntax correctness is the easy part. WHAT YOU’LL BE DOING • Evaluate AI-generated... 

Virta Health is on a mission to reverse metabolic disease in one billion people. Current treatment approaches aren’t working—over half of US adults have either type 2 diabetes or prediabetes, and obesity rates are at an all-time high. Virta is changing this by helping people...

 ...leading to false trust) or overly cautious (leading to frustration) and refine the "Calibration of Trust." Persona & Tone Synthesis: Develop and test specialized personas (e.g., Empathetic Counselor vs. Objective Data Analyst) to ensure tone-alignment across different...