April 25, 2026
Frontend Developer (React)
Senior • Hybrid
9,000 - 13,000 PLN
Katowice, Poland
Responsibilities
As part of a new international business initiative, you will contribute to building from scratch a technology-oriented company focused on innovating the IT delivery model for a major player in the European Financial Services industry.
You will join a multidisciplinary, agile team of experts and develop modern, high-performance web applications using React and TypeScript.
Working closely with your agile team, you will help define sprint goals, provide estimates, propose solutions for complex challenges and contribute to architectural decisions.
You will guide and support junior engineers, helping them grow, ensuring quality contributions and fostering a collaborative team culture.
Code reviews will be part of your daily routine, and you will actively help colleagues by sharing best practices, offering constructive feedback and contributing to continuous improvement.
Benefits
Motivizer Benefits Platform to choose and manage all your benefits in one place. You receive a budget (550 PLN monthly). You can choose medical care package, meal tickets, sports cards (we have Multisport and on preferential terms, we have membership cards to one of the most popular Gyms), cinema tickets, shop vouchers, discounts and many more.
Language Courses – you'll have access to a multi-language learning platform enabling you to practice your language skills and learn new ones!
Regular and systematic further training opportunities - both internally and from external providers. We support your ongoing learning and development.
Cooperation within an internal community is our everyday reality. We have networking events, coding challenges, and company parties for different occasions.
Qualifications
Successfully completed university degree in computer science or a comparable field of study.
At least 4 years of experience in frontend development, with a strong focus on React and TypeScript.
Excellent knowledge of React, React Router, GraphQL, Apollo Client, LESS, AntDesign, JavaScript, HTML and CSS.
Hands-on experience with agile methodologies such as Scrum, Kanban or SAFe.
Experience with Webpack and npm for build and package management.
Fluency in Polish and very good communication in English
Availability to work in a remote/hybrid mode. Remote workers, we invite to the office once every month.
About Nexi Digital
Nexi is Europe's PayTech company operating in high-growth, attractive European markets and technologically advanced countries. Listed on Borsa Italiana's MTA, Nexi has the scale, geographic reach and abilities to drive the transition to a cashless Europe. With its portfolio of innovative products, e-commerce expertise and industry-specific solutions, Nexi provides flexible support for the digital economy and the entire payment ecosystem globally, across a broad range of different payment channels and methods. Nexi’s technological platform and the best-in-class professional skills in the sector lets the company operate at its best in three market segments: Merchant Services & Solutions, Cards & Digital Payments and Digital Banking & Corporate Solutions. Nexi constantly invests in technology and innovation, focusing on two fundamental principles: meeting, together with its partner banks, customer needs and creating new business opportunities for them. Nexi is committed to supporting people and businesses of all sizes, transforming the way people pay and businesses accept payments. It offers companies the most innovative and reliable solutions to better serve their customers and expand. By simplifying payments and enabling people and businesses to build closer relationships and grow together, Nexi promotes progress to benefit everyone.
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Katowice, SL, Poland
120 - 160 PLN
🏢 Summary: Mid-level DevOps Engineer role focused on supporting .NET projects by designing and maintaining Azure-based cloud infrastructure and automating CI/CD processes. The position combines DevOps practices with deep understanding of the .NET application lifecycle and close collaboration with development teams. Responsibilities include Infrastructure as Code, environment monitoring, and production support in a cloud environment. 🗂️ Requirements: University degree in Computer Science or related field, 2–4 years of commercial IT experience, Hands-on experience with Microsoft Azure, Practical experience with Azure DevOps, PowerShell, Bicep, Experience with Bash or PowerShell scripting, Strong understanding of CI/CD concepts, Experience as DevOps Engineer on .NET projects or .NET Developer transitioning to DevOps, Fluency in Polish, Very good English communication skills, Availability for remote/hybrid work mode 📃 Skills: Azure, AzureDevOps, PowerShell, Bicep, Bash, .NET, CI/CD, IaC 🏢 Description: Responsibilities As a Mid-level DevOps Engineer at Nexi Digital, you will work on projects based on .NET technology , supporting development teams in the design, automation, and maintenance of infrastructure and software delivery processes. This role combines DevOps responsibilities with a solid understanding of the .NET application lifecycle , architecture, and the needs of development teams. Designing, developing, and maintaining cloud infrastructure in Microsoft Azure Automating CI/CD processes for .NET applications Implementing Infrastructure as Code (IaC) using Bicep Maintaining and monitoring environments (stability, availability, security) Close collaboration with .NET Development teams in the area of builds, deployments, environment configuration Diagnosing and resolving environmental and production issues Participating in initiatives aimed at improving platform reliability and quality Qualifications Successfully completed university degree in computer science or a comparable field of study Minimum 2–4 years of commercial experience in IT Hands-on experience with Microsoft Azure Practical knowledge of tools: Azure DevOps, PowerShell, Bicep Scripting: Bash / PowerShell Very good understanding of CI/CD concepts Experience working as a DevOps Engineer on .NET projects or experience as a .NET Developer (current or past) with a strong interest in transitioning towards DevOps Fluency in Polish and very good communication in English Availability to work in a remote/hybrid mode. Remote workers, we invite to the office once every month. Nice to have Microsoft Azure certification Experience in regulated environments (fintech / payments) Basic knowledge of application and infrastructure security About Nexi Digital Nexi is Europe's PayTech company operating in high-growth, attractive European markets and technologically advanced countries. Listed on Borsa Italiana's MTA, Nexi has the scale, geographic reach and abilities to drive the transition to a cashless Europe. With its portfolio of innovative products, e-commerce expertise and industry-specific solutions, Nexi provides flexible support for the digital economy and the entire payment ecosystem globally, across a broad range of different payment channels and methods. Nexi’s technological platform and the best-in-class professional skills in the sector lets the company operate at its best in three market segments: Merchant Services & Solutions, Cards & Digital Payments and Digital Banking & Corporate Solutions. Nexi constantly invests in technology and innovation, focusing on two fundamental principles: meeting, together with its partner banks, customer needs and creating new business opportunities for them. Nexi is committed to supporting people and businesses of all sizes, transforming the way people pay and businesses accept payments. It offers companies the most innovative and reliable solutions to better serve their customers and expand. By simplifying payments and enabling people and businesses to build closer relationships and grow together, Nexi promotes progress to benefit everyone.
Technology
Reply Polska Sp. z o. o.
Test Automation Engineer (C#)
Mid
Hybrid
Katowice, Poland
12,000 - 16,000 PLN
🏢 Summary: Mid/Mid+ Automation Engineer role focused on building and maintaining automated testing for a .NET-based checkout platform running fully in Azure. The position covers unit, API, end-to-end, and performance testing, with strong ownership of CI/CD quality gates and payment system reliability. The engineer will shape test strategy, maintain BDD suites, and lead performance testing in a high-stakes fintech environment. 🗂️ Requirements: Computer Science degree or equivalent experience, Minimum 3 years of QA automation experience in production environments, Strong experience with .NET test ecosystem (xUnit or NUnit, SpecFlow or Reqnroll, Playwright or Selenium, RestSharp or WireMock .Net), Proficiency in C#, Experience with Cucumber and Groovy, Experience in API testing (REST, async or event-driven systems), Experience in performance testing with K6 or similar tools (JMeter, Gatling, Locust), Hands-on experience with Azure (Azure DevOps or GitHub Actions, App Service or AKS or Functions, Application Insights), Experience with CI/CD pipelines, Git, Docker, Experience working in Agile environment with Jira or Azure Boards, Fluency in Polish, Very good English communication skills 📃 Skills: C#, .NET, xUnit, NUnit, SpecFlow, Reqnroll, Playwright, Selenium, RestSharp, WireMock, .Net, Cucumber, Groovy, REST, K6, JMeter, Gatling, Locust, Azure, AzureDevOps, GitHubActions, AppService, AKS, Functions, ApplicationInsights, CI/CD, Git, Docker, Agile, Jira, AzureBoards 🏢 Description: Responsibilities We're looking for a Mid / Mid+ Automation Engineer to join the team building a checkout platform for merchants across Europe. Every release touches real money, so test automation isn't an add-on — it's how the team decides whether we ship. Shape how we test a .NET product that lives entirely in Azure — from unit tests through API, end-to-end and performance Write and maintain test suites in C# / .NET that run reliably in our Azure pipelines Look after our BDD layer (Cucumber + Groovy) — keep scenarios readable for product and reliable in CI Own performance and load testing in K6: realistic traffic models, regression runs, feedback to devs and architects Cover the typical failure modes of a payment system — timeouts, retries, idempotency, partial failures Support junior testers, raise the quality bar on test code, and lead grown-up conversations about risk — in payments a "low priority bug" can still mean lost revenue or a compliance problem Benefits Motivizer Benefits Platform to choose and manage all your benefits in one place. You receive a budget (550 PLN monthly). You can choose medical care package, meal tickets, sports cards (we have Multisport and on preferential terms, we have membership cards to one of the most popular Gyms), cinema tickets, shop vouchers, discounts and many more. Language Courses – you'll have access to a multi-language learning platform enabling you to practice your language skills and learn new ones! Regular and systematic further training opportunities - both internally and from external providers. We support your ongoing learning and development. Cooperation within an internal community is our everyday reality. We have networking events, coding challenges, and company parties for different occasions. Qualifications Computer Science degree or equivalent experience and at least 3 years in QA automation with a production track record Hands-on with the .NET test ecosystem (xUnit / NUnit, SpecFlow or Reqnroll, Playwright or Selenium, RestSharp / WireMock .Net) Good C# Experience with Cucumber and comfort with Groovy step definitions (or honest willingness to ramp up — we have an existing BDD suite) API testing (REST, async / event-driven) and performance testing with K6 (or strong JMeter / Gatling / Locust and willingness to move to K6) Azure as a daily environment: Azure DevOps or GitHub Actions, App Service / AKS / Functions, Application Insights as a real source of insight when things break CI/CD, Git, Docker, Agile + Jira / Azure Boards; English at a comfortable working level Fluency in Polish and very good communication in English Availability to work in a remote/hybrid mode. Remote workers, we invite to the office once every month Nice to have Prior exposure to payments / fintech (PCI-DSS, 3-D Secure, PSD2/SCA, tokenization) Security testing basics (OWASP Top 10, API Top 10) Chaos / resilience testing or contract testing (Pact) IaC (Bicep / Terraform) About Nexi Digital Nexi is Europe's PayTech company operating in high-growth, attractive European markets and technologically advanced countries. Listed on Borsa Italiana's MTA, Nexi has the scale, geographic reach and abilities to drive the transition to a cashless Europe. With its portfolio of innovative products, e-commerce expertise and industry-specific solutions, Nexi provides flexible support for the digital economy and the entire payment ecosystem globally, across a broad range of different payment channels and methods. Nexi’s technological platform and the best-in-class professional skills in the sector lets the company operate at its best in three market segments: Merchant Services & Solutions, Cards & Digital Payments and Digital Banking & Corporate Solutions. Nexi constantly invests in technology and innovation, focusing on two fundamental principles: meeting, together with its partner banks, customer needs and creating new business opportunities for them. Nexi is committed to supporting people and businesses of all sizes, transforming the way people pay and businesses accept payments. It offers companies the most innovative and reliable solutions to better serve their customers and expand. By simplifying payments and enabling people and businesses to build closer relationships and grow together, Nexi promotes progress to benefit everyone.