Api developer jobs in Poland

 ...of application deployment patterns for modern web applications, APIs, background workers, and event-driven systems. Experience...  ...frameworks relevant to enterprise SaaS. Experience building internal developer platforms or self-service engineering capabilities.... 

 ...With 14:00 UTC to 17:00 UTC being the team’s overlapping hours. What You’ll Do Design, build, and maintain backend systems and APIs that power Wikidata’s query infrastructure Improve reliability, observability, and automation of the Wikidata Query Service and... 

 ...What we're looking for As a Backend Engineer, you’ll design, develop, and maintain scalable, secure, and high-performing backend systems...  ...of existing systems Projects will include building REST APIs, engineering microservices and evolving a number of systems that... 

 ...method, or geographical market—directing routing decisions, tokenization rules, API authentication, and automated fallback logic. This role demands a seasoned distributed systems developer who can deal thoughtfully with inheritance code complexity, defend error paths aggressively... 

 ...a bonus) Experience maintaining applications on Linux platforms in cloud environments Experience integrating with third-party APIs, deep familiarity with REST and the protocol Experience being on-call and supporting the most technically difficult challenges facing... 

 ...We are seeking a highly analytical, systems-minded Middle Java Developer to join our expanding back-end engineering division in a remote-...  ...caching mechanisms natively using Hibernate and Java Persistence API (JPA) configurations. Automated Compilation & Build... 

 ...development and data-driven solutions. Softeta is looking for a Java Developer to become a part of our vibrant team and will be work for our...  ..., generation, archiving and signing solutions Work on API-driven architectures, microservices, and cloud-native applications... 

 ...run an active high-throughput microservices backend, third-party API webhooks, and relational data pipeline laboratory. Partnering...  ...professional software engineering history operating as a Backend Developer, Systems Engineer, Node.js/Python Specialist, API Integration Architect... 

 ...powering the Mimica platform ( MERN stack). This means designing and implementing a scalable architecture, developing and optimizing backend services and APIs, improving the performance and reliability of existing components, and taking operational responsibility for... 

 ...systems powering the Mimica platform ( MERN stack). This means designing and implementing a scalable architecture, developing and optimizing backend services and APIs, improving the performance and reliability of existing components, and taking operational responsibility for... 

 ...Identify manual workflows and automate them using Python scripts, API integrations (Looker API) or Agentic AI. Operational...  ...welcoming team which is always ready to help. Opportunity to develop in an international environment - we have teams in 6 countries.... 

 ...Ideal Experiences Strong experience in full stack engineering (frontend + backend) Solid understanding of system design and API architecture Experience working with LLMs , RAG systems , or AI-powered applications Ability to handle ambiguity and make pragmatic... 

 ...Identify and flag breaking changes that may impact integration with Django Assess the impact of each release on the existing API contract Perform reactive compatibility patching on the Unity client side when: SDK updates introduce incompatibilities Integration... 

 ...creating automated tests, recommending process and product improvements, and developing strong feature and product knowledge. Key Responsibilities Perform thorough functional, integration, API, regression, and exploratory testing of assigned features and product... 

 ...ensuring that everyone is supported throughout delivery. You will design and implement real-time fraud decisioning services and APIs in Python or Kotlin, extending Affirm's Fraud Decisioning System to markets beyond the US. You will build and evolve the platform... 

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...  ...solutions using Shopify (including Hydrogen/Storefront API), Gadget.dev, and headless CMS platforms like Contentful, Sanity... 

 ...About This Role We are looking for a Senior Shopify Full Stack Developer with deep expertise in the Shopify ecosystem, a strong grasp of...  ...eCommerce solutions using Shopify (including Hydrogen/Storefront API), Gadget.dev, and headless CMS platforms like Contentful, Sanity... 

 ...video segments like Honest Trailers. Fandom equips high-agency developers with an uncompromised software canvas to engineer highly interactive...  ...), user segmentation engines, and external monetization APIs cleanly. Video Player Optimization: Develop and implement full... 

About the role As a Mid-level Software Engineer at Ledgy, you’ll build reliable, scalable product experiences that help companies manage their equity with confidence. You’ll work closely with experienced engineers, product managers, and designers to turn complex equity ...

 ...down problems, understand trade-offs, and deliver reliable solutions Participate actively in code reviews and team discussions Develop a deeper understanding of how companies manage and automate equity Contribute to improving quality, maintainability, and user... 

 ...The Role Lead a team of senior full-stack developers and coordinate technical execution across projects Build scalable full-stack features...  ...-critical queries Integrate and manage third-party APIs (e.g., Stripe, Supabase, music platforms, SaaS services ) Develop... 

The Role Lead a team of senior full-stack developers and coordinate technical execution across projects Build scalable full-stack features...  ...performance-critical queries Integrate and manage third-party APIs (e.g., Stripe, Supabase, music platforms, SaaS services ) Develop... 

 ...Scripting , and coordinates multi-platform global distribution system (GDS) API contracts confidently. Key Responsibilities Production-Grade AI Systems Architecture: Design, develop, and scale advanced AI-driven backend services that power virtual agent workflows... 

 ...work for our client from banking sector. Responsibilities: Develop and maintain scalable frontend applications using React 19 and...  ...Design System, and Storybook . Design and maintain type-safe APIs and data contracts with Zod . Ensure software quality through... 

 ...maintain complex software systems. You'll join a team working on a large ecosystem of interconnected services, shared libraries, REST APIs, asynchronous messaging, and event-driven data flows. The environment includes multiple technologies, databases, and frontend... 

 ...maintain complex software systems. You'll join a team working on a large ecosystem of interconnected services, shared libraries, REST APIs, asynchronous messaging, and event-driven data flows. The environment includes multiple technologies, databases, and frontend... 

 ...foundational pillars. The platform provides high-agency backend developers with an uncompromised remote canvas to leverage modern...  ...backend software engineering, distributed systems development, core API architecture design, database optimization, or technology product... 

 ...development, driving a native-first testing strategy and a culture where developers own quality rather than hand it off. Your scope of work will...  ...on BrowserStack with GitLab CI . Keep the backend/API/contract layer strong and connect it to the mobile client layer... 

 ...critical. Focus Build and maintain iOS applications using Swift and SwiftUI. Integrate AI-powered features through backend APIs. Design UX patterns for AI interactions, including loading states, streaming responses, retries, and fallbacks. Optimize... 

What you'll work on Design, implement, and maintain secure, reliable, and scalable cloud infrastructure. Build and improve CI/CD pipelines that support frequent, repeatable, and low-risk deployments. Automate infrastructure provisioning, configuration, deployment, and environment...