Full-stack ruby on rails developer jobs in Poland

 ...creating a performant CI/CD stack to boost the code development...  .... Research, implement, and develop tools to help developers write...  ...Working proficiency with Ruby, Javascript or Python . Knowledge...  ...the Ruby language and the Rails framework since it’s used in... 

 ...abstract concepts on this team, they're daily considerations What we're looking for Experience shipping production backend or full-stack features, with growing autonomy and less need for hand-holding on the basics Previous experience coding in Python in a... 

 ...written and verbal English, and a self-driven work style ~ BS in Computer Science or equivalent experience Nice to Have Payment rails (SEPA, SWIFT, ACH) or card issuing Regulated fintech: PSD2, KYC/AML, PCI DSS Crypto custody, on-chain settlement, stablecoin... 

 ...behavior. Our objective is to help users complete tasks daily enjoyable with over ~90% reduced time. Role We are looking for a Full Stack Engineer - AI Systems to build the product layer that turns these capabilities into usable, production-grade workflows. This... 

 ...written and verbal English, and a self-driven work style ~ BS in Computer Science or equivalent experience Nice to Have Payment rails (SEPA, SWIFT, ACH) or card issuing Regulated fintech: PSD2, KYC/AML, PCI DSS Crypto custody, on-chain settlement, stablecoin... 

 ...The Role Lead a team of senior full-stack developers and coordinate technical execution across projects Build scalable full-stack features using Next.js, React, TypeScript, Prisma, and PostgreSQL Use Cursor IDE and AI coding assistants to accelerate development... 

 ...performance, and security practices across the stack. Skills you should HODL ~5+ years of...  ...at scale. ~ Proficiency in building full-stack applications using one of the...  ...TypeScript , Rust , Go , Python , or Ruby , and React or React Native . ~ Understanding... 

 ...must handle multi-step reasoning, interact with external tools, and remain reliable despite non-deterministic model behavior. Our objective is to help users complete tasks daily enjoyable with over ~90% reduced time. Role We are looking for a Full Stack Engineer - AI S...

 ...production systems, participating in incident response, and turning operational learnings into durable improvements. Experience with Ruby , Git internals , gRPC , or Git server infrastructure is highly desirable. About the team The Gitaly team includes... 

About This Role We are looking for a Senior Shopify Full Stack Developer with deep expertise in the Shopify ecosystem, a strong grasp of headless architecture, and experience leading enterprise-scale development initiatives. You'll be responsible for building scalable,... 

 ...quality by testing new features, identifying defects, creating automated tests, recommending process and product improvements, and developing strong feature and product knowledge. Key Responsibilities Perform thorough functional, integration, API, regression, and... 

The Role Lead a team of senior full-stack developers and coordinate technical execution across projects Build scalable full-stack features using Next.js, React, TypeScript, Prisma, and PostgreSQL Use Cursor IDE and AI coding assistants to accelerate development workflows... 

 ...General Engineering & Leadership Ability to work independently with stakeholders , providing thought leadership on tech stack decisions and architectural trade-offs. Ability to leverage GenAI productivity tools (Claude Code Cursor, ) as an accelerant, not... 

 ...Kubernetes ) is an advantage. Nice to have: Experience developing high-scale SaaS products with polished, complex UIs. Eye...  ...backend logic and integrate with third-party APIs as part of full-stack feature delivery. Participate in architectural decisions, research... 

 ...About This Role We are looking for a Senior Shopify Full Stack Developer with deep expertise in the Shopify ecosystem, a strong grasp of headless architecture, and experience leading enterprise-scale development initiatives. You'll be responsible for building scalable... 

 ...Kubernetes ) is a strong advantage. Nice to have: Experience developing high-scale SaaS solutions . Deep understanding of CI/CD...  ...for efficient job performance. ~ Accounting Support: Full accounting assistance in Ukraine and Poland. ~ Paid Time Off:... 

 ...Software Engineer Fullstack to become a part of our vibrant team and will be work for our client from banking sector. Responsibilities: Develop and maintain scalable frontend applications using React 19 and TypeScript . Build and optimize applications within a Turbo monorepo... 

 ...video segments like Honest Trailers. Fandom equips high-agency developers with an uncompromised software canvas to engineer highly...  ...highly analytical, connection-obsessed, and systems-minded Senior Full-Stack Software Engineer to join our dynamic, fast-paced CRM & Video... 

 ...Infrastructure team Security automation & AI — develop and own automation and AI tooling...  ...we hire anywhere in Europe . Tech Stack you will be working with Infrastructure...  ...; our product stack includes Elixir, Ruby, and Golang AI-assisted development:... 

 ...Trinetix is looking for a skilled Databricks Developer with strong expertise in Apache Spark , Python , and modern data engineering practices. This role involves designing, developing, and maintaining scalable data ingestion, transformation, and analytics pipelines... 

The Fraud Engineering organization builds the foundational and tactical software that enables Affirm to respond strategically to fraud - both in real time and after the transaction. Our mission is to support business growth while protecting Affirm, our customers, and our...

 ...portfolio, and interact with their assets. Our stack is React on web and React Native on...  ...build next. The opportunity Design, develop, and maintain high-quality consumer-...  ...React) and mobile (React Native), owning the full experience from concept to production monitoring... 

 ...and design standards for your team, and advocating for them beyond your team through your writing and tech talks. You will help develop talent on your team by providing feedback and guidance, and leading by example. What We Look For You have 4+ years of experience... 

 ...risk teams and other engineering teams , you will effectively manage loans throughout the delinquency phase of their lifecycle and develop and implement recovery strategies. We are looking for a highly motivated software engineer to build the next generation platform solutions... 

 ...Someone who makes the engineers around them better. Our tech stack Backend: Go , Postgres Frontend: TypeScript , React...  ...Bonus tacos if you have Experience building coding agents, developer tools, or cloud development environments. Experience with agent... 

 ...breaking the project ~ Strong ability to read, analyze, and modify C# code within existing Unity projects: Not expected to build full applications from scratch Focus on diagnosis, debugging, and targeted patching ~ Solid understanding of how a Unity standalone... 

 ...customers onto our AI platform, we’re facing challenges that sit at the intersection of infrastructure, application architecture, developer experience, and enterprise clients’ requirements. These problems are rarely well-defined upfront, there’s never a single way to solve... 

 ...code with the same rigor you would apply to a colleague's, catching the plausible-but-wrong before it reaches production Taking full ownership of every feature end-to-end: clarifying requirements, understanding the problem, owning the quality and test coverage of what... 

 ...What we're looking for As a Backend Engineer, you’ll design, develop, and maintain scalable, secure, and high-performing backend systems...  ..., transactions booking, crypto liquidity) Our technology stack is based predominantly on Java 25 on the backend with Postgres database... 

About the project: This project offers a unified platform that consolidates vulnerability, threat, and asset data, enabling organizations to effectively prioritize and remediate critical exposures. By integrating information from over 150 security tools, it provides a...