Api engineer jobs in Poland

 ...customer journeys. Collaborate closely with frontend and mobile engineers throughout the software development lifecycle. Review...  ...matching engine, market data gateways, internal and external APIs, and various other trading services. The team is located globally... 

 ...over ~90% reduced time. Role We are looking for a Full Stack Engineer - AI Systems to build the product layer that turns these...  ...(frontend + backend) Solid understanding of system design and API architecture Experience working with LLMs , RAG systems ,... 

 ...teams, software product quality assessment, and “all-things-digital” solutions, is seeking a highly skilled and experienced Senior QA Engineer (Manual + Automation) to join our dynamic team on a full-time basis. About the project: This project offers a unified platform... 

 ...real-time datasets across both human and automated agent architectures. Why You'll Love This Role As a Senior Site Reliability Engineer at Cribl, you will join our expanding engineering team in Poland. Our SREs are involved from early conception to architectural... 

 ...that middle stage is exactly why this role exists. The Staff AI Engineer owns ShiftKey’s AI infrastructure layer: the organizational...  ...organizational knowledge, agentic infrastructure, the platform API surface, and the cost-governance model that keeps running within... 

 ...business functions at pace, and continuously improve. AI-Driven Engineering Culture We are actively building an AI-driven engineering...  ...in using tools: DevTools, Postman with AI-supported API validation Experience in DB queries (SQL) with intelligent... 

 ...looking for experienced consumer-focused (Web / Mobile App products) engineering leaders to join us in that journey - heavily influence our...  ...architecture patterns ( microservices , event-driven , API-first ). Experience with OKR/KPI frameworks and domain-level... 

 ...users. This is a fully remote position based in Europe. Key Responsibilities Design and build the services behind the product: APIs, data models, integrations Own what you ship, from first commit to running it in production Work with Product and Design to turn... 

 ...Responsibilities Design and build the core services behind the product: APIs, data models, integrations, and make the architectural calls...  ...know which decisions are expensive to reverse Mentor other engineers and help level up the team's practices around testing,... 

 ...you will work on Primary, on PCSM The core replication engine: initial collection cloning followed by continuous change capture...  ...against large clusters with great change volume. The CLI and API that drive and observe a sync, and the metrics and logging that... 

 ...a leading IT services provider is looking for a **Unity Support Engineer. **!Part-time position. Responsibilities: Regularly review...  ...with Django Assess the impact of each release on the existing API contract Perform reactive compatibility patching on the... 

 ...your career at Booksy. Requirements As the Lead Analytics Engineer (Looker), reporting into the Analytics Manager , you will be...  ...manual workflows and automate them using Python scripts, API integrations (Looker API) or Agentic AI. Operational Excellence... 

 ...The Fraud Engineering organization builds the foundational and tactical software that enables Affirm to respond strategically to fraud -...  ...design and implement real-time fraud decisioning services and APIs in Python or Kotlin, extending Affirm's Fraud Decisioning System... 

 ..., dashboards, and production-health reporting. Partner with engineers to establish SLIs , SLOs , and actionable operational metrics...  ...application deployment patterns for modern web applications, APIs, background workers, and event-driven systems. Experience supporting... 

 ...improvements, and developing strong feature and product knowledge. Key Responsibilities Perform thorough functional, integration, API, regression, and exploratory testing of assigned features and product areas. Review requirements and acceptance criteria to... 

 ...analytical, connection-obsessed, and systems-minded AI Systems Engineer to join our decentralized core Operations matrix under a high-agency...  ...-end structural ownership over internal data models, background API integrations, webhooks, tracking configurations, and multi-... 

 ...travel spending is managed, optimized, and audited worldwide. By engineering advanced cloud-native architectures that eliminate obsolete,...  ...and coordinates multi-platform global distribution system (GDS) API contracts confidently. Key Responsibilities Production-Grade... 

 ...distribution channel management leader on an absolute mission to engineer next-generation software platforms for the global lodging and...  ...backend software engineering, distributed systems development, core API architecture design, database optimization, or technology... 

 ...enjoyable with over 90% reduced time. Role As an iOS Software Engineer, you own the iOS client experience, how AI feels, responds, and...  ...and SwiftUI. Integrate AI-powered features through backend APIs. Design UX patterns for AI interactions, including loading... 

 ...leader who has evolved from full-stack or server-side software engineering into the GenAI and agentic AI domain. ~ Experienced in designing...  .... ~ Strong command of software engineering fundamentals, API design , integration patterns and production-readiness... 

 ...recently 2025) LinkedIn as one of the Top 20 Startups in the UK (2025) About this role in the team: We are looking for a QA Engineer who views AI as their primary leverage. At BVNK, we aren't just looking for someone to maintain scripts; we want an engineer who views... 

 ...do is the result of the creativity and commitment of our team - builders doing the best work of their lives. We are researchers, engineers, and operators. IOI medalists and ex-founders. If you want to work hard and create lasting positive impact, we want to hear from you... 

 ...offer our expertise in full-cycle software development, cloud engineering, data and analytics, AI services, digital marketing orchestration...  ...5 stack ~ Strong understanding of web development and modern API design (e.g., FastAPI , Flask ), async API design ~ Good... 

 ...ecosystems. Since 2008, it has empowered businesses with cutting-edge technology, AI-powered personalization , and world-class engineering and design teams. A certified B Corporation®, Netguru is trusted by major brands including IKEA, VW, OLX, Delivery Hero, Żabka, Wolt... 

 ...The role We're looking for a Senior Security Engineer who thinks about security end to end — not one domain deep, but the whole posture: application, infrastructure, supply chain, endpoints, operations, and the compliance surface behind them. You will co-own the... 

 ...internals and mechanics of various blockchain networks, reverse engineering of sophisticated Decentralized Finance (DeFi) protocols, and...  ...ingestion pipelines that leverage external data sources REST/WebSocket APIs, JSON-RPC node queries; Strong grasp of ETL fundamentals (... 

You'll be the quality guardian of our social gaming platform, ensuring millions of players worldwide experience flawless gameplay through rigorous testing and quality assurance. What you will be doing Perform regression, smoke, and sanity testing across web and mobile...

 ...high-agency developers with an uncompromised software canvas to engineer highly interactive web elements, scale asynchronous messaging pipelines...  ...Iterable), user segmentation engines, and external monetization APIs cleanly. Video Player Optimization: Develop and implement... 

 ...with products built for both individual investors and institutional clients. We are currently seeking an experienced Software Engineer to join our growing Consumer team. The Consumer team at Kraken focuses on building applications that expose Kraken’s product offering... 

 ...services that help people, businesses and governments realize their greatest potential. Title and Summary Manager, Site Reliability Engineer Who is Mastercard? At Mastercard technology, we work to connect and power an inclusive, digital economy that benefits...