Senior mainframe developer jobs in Poland

 ...We are looking for a Senior Developer Advocate (Education focus) to: Teach a community of automation, no-code and open source builders, meeting them where they already are with practical how-tos, helping them get unstuck, and building relationships with our most active... 

 ...stand up fraud protection in a new country quickly and safely. As Affirm expands globally, FIT scales with it. We're looking for a Senior Software Engineer to join our fully remote team based in Europe. You'll collaborate closely with stakeholders across North America... 

 ...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, synthetic... 

 ...engineering team is growing rapidly, and we're looking for a Senior Software Engineer specializing in Backend development. We're a...  ...your team through your writing and tech talks. You will help develop talent on your team by providing feedback and guidance, and leading... 

 ...that bridges the gap between patients and providers to diagnose arrhythmia and reduce stroke risk. The Role We are looking for a Senior Fullstack Engineer with a heavy backend focus to build our next-generation Software as a Medical Device (SaMD) ECG diagnostics... 

 ...something as how we build it. We're looking for a world-class Senior Frontend Engineer to join our product-minded engineering team:...  ...behaviour to guide what we build next. The opportunity Design, develop, and maintain high-quality consumer-facing features across web... 

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...

 ...Overview We are seeking a highly analytical, systems-minded Senior Software Engineer, Applied AI to join our core centralized R&D...  ...Responsibilities Production-Grade AI Systems Architecture: Design, develop, and scale advanced AI-driven backend services that power... 

 ...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... 

 ...foundational pillars. The platform provides high-agency backend developers with an uncompromised remote canvas to leverage modern...  ...Overview We are seeking a highly analytical, systems-minded Senior Laravel Developer to join our core centralized Engineering collective... 

 ...manage and analyze massive 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... 

 ...Summary The Wikimedia Foundation is seeking a Senior Software Engineer to join the team supporting the Wikidata Platform — the structured data backbone of Wikimedia projects and a key part of the global open knowledge ecosystem. You’ll help scale and sustain the Wikidata... 

 ...governments realize their greatest potential. Title and Summary Senior Site Reliability Engineer Who is Mastercard? At...  ...healthy. We break down barriers to running our products by fostering developer run ownership and empowering developers to build resilient products... 

 ...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... 

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

 ...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 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... 

 ...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... 

 ...& 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... 

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...

 ...deterministic model behavior. Our objective is to help users complete tasks daily enjoyable with over 90%* reduced time. Role As a Senior Member of Technical Staff, Machine Learning, you are an independent owner of critical ML subsystems in production. You take... 

 ...We engineer data to life™. The Role This is a hands-on senior engineering role , not an architecture-only seat and not a support...  ...systems to enable scalable, consumer-oriented data access Develop High-Performance Pipelines Build and optimise batch and... 

 ...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 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...

 ...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... 

 ...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... 

 ...judgement, and contribute across the stack while learning from senior peers. Teams we are hiring for: Core Equity — Owns the foundational...  ...Participate actively in code reviews and team discussions Develop a deeper understanding of how companies manage and automate... 

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...

 ...development, driving a native-first testing strategy and a culture where developers own quality rather than hand it off. Your scope of work will...  ...person teams seek out before implementation starts. Mentor Senior Software Engineers in Test, accelerating real, visible growth,... 

Altoros - a leading IT services provider is looking for a **Unity Support Engineer. **!Part-time position. Responsibilities: Regularly review Unity SDK release notes on a monthly basis and: Identify and flag breaking changes that may impact integration with...