App developer jobs in Poland

 ...working towards turning digital visions into reality. We are continuously growing and we are looking for a professional .NET Software Developer to join our UniQue Warsaw, Poland team. What will you be bringing to the team? Design and develops software systems. Lead... 

 ...working towards turning digital visions into reality. We are continuously growing and we are looking for a professional .NET Software Developer to join our UniQue Warsaw, Poland team. What will you be bringing to the team? Design and develops software systems. Lead... 

 ...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, and independently drive hard problems... 

 ...Join Checkly as a Senior Customer Solutions Engineer and empower developers and agents to own and ensure application performance and reliability - from pull request to post-mortem! Checkly is the active reliability layer for developers and agents. We unify testing,... 

 ...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, conversational reasoning layers, and automation... 

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...

 ...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... 

 ...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... 

 ...and institutional clients. The Consumer team owns the Kraken app experience used by millions of traders and crypto newcomers worldwide...  ...to guide what we build next. The opportunity Design, develop, and maintain high-quality consumer-facing features across web (... 

 ...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... 

 ...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... 

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...

 ...user experience through curated editorial coverage and award-winning video segments like Honest Trailers. Fandom equips high-agency developers with an uncompromised software canvas to engineer highly interactive web elements, scale asynchronous messaging pipelines, and... 

 ...& Qualifications A minimum of 3+ years of proven, successful professional software engineering history operating as a Backend Developer, Systems Engineer, Node.js/Python Specialist, API Integration Architect, or closely matching technical capacity inside production... 

 ...the backend 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... 

About Spate At Spate, we use data science to predict the next big consumer trend in beauty, personal care, wellness & functional food. Spate was founded in 2018 by Yarden Horwitz & Olivier Zimmer, two ex-Googlers who led the trendspotting division at Google and uncovered...

 ...scale the backend 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... 

About Spate At Spate, we use data science to predict the next big consumer trend in beauty, personal care, wellness & functional food. Spate was founded in 2018 by Yarden Horwitz & Olivier Zimmer, two ex-Googlers who led the trendspotting division at Google and uncovered...

 ...emerging from Stanford University on a mission to democratize healthcare. We built an FDA-cleared 6-channel EKG wearable device and mobile app that bridges the gap between patients and providers to diagnose arrhythmia and reduce stroke risk. The Role We are looking for a... 

 ...overcoming complex IT challenges through tailor-made software 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 client from banking sector. Responsibilities: Implement and maintain... 

 ...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... 

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 ...

About the Role: We're looking for a Software Engineer who uses AI as a core part of the development process to build, understand, and maintain complex software systems. You'll join a team working on a large ecosystem of interconnected services, shared libraries, REST APIs...

 ..., absolute code ownership, and AI-driven process acceleration as foundational pillars. The platform provides high-agency backend developers with an uncompromised remote canvas to leverage modern containerized tech stacks, manipulate complex relational databases, and build... 

 ...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... 

 ...focused on elite engineering craftsmanship. Position Overview We are seeking a highly analytical, systems-minded Middle Java Developer to join our expanding back-end engineering division in a remote-first capacity. In this core development seat, you will claim accountability... 

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...

About the Role: We're looking for a Software Engineer who uses AI as a core part of the development process to build, understand, and maintain complex software systems. You'll join a team working on a large ecosystem of interconnected services, shared libraries...

 ...What we're looking for As a Backend Engineer, you’ll design, develop, and maintain scalable, secure, and high-performing backend systems...  ...your skills The opportunity to help build the best fintech app in Latin America Office Policy: 3-4 days a week in-office... 

About A1 There are over 5 billion users using basic applications today such email, notes, tasks that are not AI-native. Our mission is to build a proactive smart assistant for everyday users to bring intelligence to conversations, errands, organising and workflows, with...