Back-end developer jobs in Poland

 ...This means designing and implementing a scalable architecture, developing and optimizing backend services and APIs, improving the performance...  ...in hiring and onboarding new team members; taking on end-to-end project management responsibilities as we grow. What... 

 ...& 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... 

 ...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...

 ...grade workflows. This includes designing how agents operate, fail, recover, and deliver consistent value to users. Focus Build end-to-end product features across frontend, backend, and AI integrations Design agent workflows that handle planning, tool use, failure... 

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...

 ...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... 

 ...What you'll do here Design and build new features end to end, from technical design through production rollout. Design and implement...  ...systems at a meaningful scale. Curiosity about the latest developer tooling. Our tech stack Backend: Go , Postgres ,... 

Primer is the unified infrastructure for global payments. We give finance and payments teams the visibility and control to reduce complexity, improve performance, and capture more revenue - all from a single platform. Which team will you be joining? Getting paid is ...

 ...work for our client from banking sector. Responsibilities: Develop and maintain scalable frontend applications using React 19 and...  ...with Zod . Ensure software quality through unit, integration, end-to-end, accessibility, and visual regression testing using... 

 ...leading engineers on your team through ambiguity to solve open-ended problems, and ensuring that everyone is supported throughout delivery...  ...your team through your writing and tech talks. You will help develop talent on your team by providing feedback and guidance, and... 

 ...metrics, and capture more global revenue. Backed by world-class venture institutions—...  ...role demands a seasoned distributed systems developer who can deal thoughtfully with inheritance...  ...independently manage technical feature direction end-to-end, considering automated monitoring... 

 ...cost savings, maximize operational efficiency, and drive data-backed decision-making. As the definitive global market leader for air...  ...Responsibilities Production-Grade AI Systems Architecture: Design, develop, and scale advanced AI-driven backend services that power... 

 ...Software as a Medical Device (SaMD) ECG diagnostics portal. You will handle everything from high-performance data ingestion to modern front-end rendering. What You'll Do Design and build high-performance backend microservices and RESTful interfaces. Integrate complex... 

 ...a feature from idea through delivery. Excellent organizational and prioritization skills. Ability to work effectively with developers and other technical stakeholders. Fluent English . Benefits Diverse and technically challenging projects. Flexible working... 

Responsibilities Design, build, and maintain automated UI tests for web and mobile applications. Execute exploratory and manual testing to validate new features, edge cases, and customer journeys. Collaborate closely with frontend and mobile engineers throughout...

 ...About This Role We are looking for a Senior Shopify Full Stack Developer with deep expertise in the Shopify ecosystem, a strong grasp of...  ...stack applications with Shopify as the backend and modern front-end frameworks (Next.js, Remix, React, etc.) in a headless configuration... 

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,... 

Are you passionate about shaping innovative digital products that drive real impact? GetResponse is seeking a dynamic and driven Product Manager to join our team. As a leader in the industry, we are continually looking to expand our product offerings and enhance the overall...

 ...organization. Implemented and monitored data quality controls to improve data accuracy and reliability. Defined and maintained end-to-end data lineage to support regulatory and business requirements. Collaborated with business and technology stakeholders to strengthen... 

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...

 ...product hypotheses. ~ Exceptional stakeholder management and verbal communication mechanics to influence cross-functional technical developers and corporate sales leaders. ~ Location Scope: 100% remote eligibility open to senior product leaders based inside Poland .... 

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The Repayment Scheduling engineering team is growing rapidly, and we're looking for a Senior Software...

 ...closely with members of the backend team and Integrations team to develop features together. Engineers at ClickUp are also responsible for...  ..., and product Architect efficient and reusable front-end code that drive the ClickUp user experience Manage individual... 

 ...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... 

 ...mandated daily working overlap alongside 9am-5pm CST business hours. Key Responsibilities Direct Response Video Governance: Develop, piece together, and produce high-quality, conversion-optimized Direct Response video ads for e-commerce and digital product lines... 

 ...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... 

 ...Fraud Engineering teams. You will own and deliver quarterly goals for your team, leading engineers through ambiguity to solve open-ended problems, and ensuring that everyone is supported throughout delivery. You will design and implement real-time fraud decisioning... 

With millions of wallets created and a global audience, Bitcoin.com is one of the world's leading crypto content and onboarding platforms. We're now starting something new, from a blank repo in Rust, and we're early enough that the architecture is still being decided. ...

 ...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,...