QA Manual Engineer - FinTech / Crypto

🏢 Summary: The offer is for a Blockchain Integration Engineer working on Ledger Live, focused on expanding and enhancing blockchain integrations across web and mobile platforms. The role involves building secure, reliable integrations using modern JavaScript and TypeScript practices while collaborating with cross-functional teams. You will contribute to scalable architecture and testing strategies in the Web3 and digital asset security domain. 🗂️ Requirements: Strong JavaScript proficiency, Strong TypeScript proficiency, Experience with Web3 integration libraries, Basic understanding of blockchain architecture, Knowledge of state management and asynchronous programming, Experience with API and library integration, Understanding of functional programming concepts, Professional English proficiency 📃 Skills: JavaScript, TypeScript, Web3, Ethers.js, Blockchain, React, API, Git 🏢 Description: Hey! Nice to see you! At Incubly , we believe that great people want to work with great people, so we started to build a company that will attract great minds and that we can achieve everything not by feeling that we work, but just having fun. Our mission is to mainly support tech companies and startups (scaleups) in fast and high-quality scale-up of their teams and boost their product development, testing, and deployment; so, we can succeed together. We are currently working with a French company which is a leader in security and infrastructure solutions for cryptocurrencies and blockchain applications. It has a team of more than 400 professionals developing a variety of products and services to safeguard cryptocurrency assets, including worldwide leading hardware wallets. In this role you will help develop and evolve Ledger Live, collaborating closely with cross-functional teams to deliver reliable, secure, and seamless experiences across web and mobile platforms, while continuously growing, challenging yourself, and shaping the future of digital asset security Your daily responsibilities Work within the Ledger Blockchain Integration Team to enhance and expand Ledger Live’s blockchain integration coverage Apply expertise in JavaScript and TypeScript to solve complex technical problems and ensure smooth, reliable blockchain integrations for end users Utilize modern JavaScript practices, state management, asynchronous handling, and API/library management to improve integration workflows Collaborate with cross-functional teams and external partners to optimize blockchain integration architecture Implement functional programming approaches to maintain a clean, side-effect-limited codebase Contribute to scaling and improving testing strategies to ensure high-quality, reliable integrations We need you to have A passion for coding and deep interest in the TypeScript ecosystem A service-oriented mindset with a commitment to delivering high-quality solutions Familiarity with Web3 integration libraries such as Ethers.js Basic understanding of blockchain architecture Interest in or initial experience with functional programming (in JavaScript or any FP language) Curiosity about decentralized systems and emerging blockchain technologies Professional fluency in English Would be great if you have Experience with React and modern frontend development Experience developing DApps or Web3 wallet software Our offer In addition to great company and challenging projects, we can offer much much more, i.e. Agile and friendly atmosphere, non-violent communication, and full respect for diversity Possibility to choose from onsite (in Lodz, Poland) or hybrid work (2-3 days a week in our office in Łódź city centre). Business trips to Paris as needed, typically once every three months Remuneration on B2B: 1300- 1500 zł net/ MD

🏢 Summary: DevOps Engineer role focused on managing and improving cloud-native production infrastructure for cryptocurrency security solutions. The position involves deploying, maintaining, and validating multi-tier systems across staging, preproduction, and production environments while ensuring high reliability and documentation standards. You will work with international engineering teams to support CI/CD processes and continuous infrastructure improvements. 🗂️ Requirements: Experience with Linux/Unix and shell scripting, Knowledge of networks and network protocols, Experience with multi-tier software deployments, Hands-on experience with software development lifecycle, Experience with Kubernetes, Basic knowledge of AWS and cloud concepts, Knowledge of SQL database concepts and operations, Experience with CI/CD pipelines, Ability to perform system upgrades, patching, and validation, Technical documentation skills in English 📃 Skills: Linux, Unix, Shell, Kubernetes, AWS, SQL, CI/CD, Docker, Helm, EKS, Spinnaker, ArgoCD, SaltStack, Terraform, Git, GitHub, Ubuntu, Jira, Confluence, IaC, Blockchain 🏢 Description: Hey! Nice to see you! At Incubly , we believe that great people want to work with great people, so we started to build a company that will attract great minds and that we can achieve everything not feeling that we work, but just having fun. Our mission is to mainly support tech companies and startups (scaleups) in fast and high-quality scale-up of their teams and boost their product development, testing, and deployment, so, we can succeed together. We are currently working with a French company which is a leader in security and infrastructure solutions for cryptocurrencies and blockchain applications. It has a team of more than 400 professionals developing a variety of products and services to safeguard cryptocurrency assets, including worldwide leading hardware wallets. As a DevOps Engineer , you will become a part of an international team responsible for engineering activities to support production services and infrastructure in a cloud-native environment. If you like to work with us, let us share our need for competencies. Your daily responsibilities Implement deployments to staging, preproduction and production environments, including installation, configuration, and validation of the developed solutions Management of environmental dependencies and constraints during solution deployment to ensure smooth transitions to the Support branch of the organisation. Preparations for deployments and maintenance of the production environments.  So ensure accurate delivery as well as provide control that all changes are done in a documented way. Perform validation of changes received from Engineering teams as part of the delivery process. Promptly highlight as relevant, any key issues and/or risks. Perform maintenance upgrades and patching of staging, preproduction and productions systems with further validation and documentation of the test results Document the setup of production environments in order to transfer the system to Support teams. You will have a key role to identify and implement practices, skills etc to deliver constant improvement. Quality Assurance, coaching and mentoring form a key part of this role. Report implementation, configuration, and testing progress to the Team Lead as required. Liaise with the Engineering and Product teams and Project Manager to carry out the tasks assigned for solution implementation, configuration, test execution and reporting. We need you to have Experience with Linux/Unix, including scripting (shell, etc). Knowledge of networks and network protocols. Some experience with deployments of multi-tier software systems. Hands-on experience with different stages of software development lifecycles. Experience with Kubernetes Basic knowledge of the Cloud concepts/AWS preferred. Knowledge of generic SQL database concepts and operations. Experience with CI/CD pipelines Effective communication that leads to excellent working relationships with all parties. Quickly identify, analyse and proactively solve problems before they affect the outcomes of projects. Good English oral and written communication skills. Particularly in the areas of technical presentation and technical document writing. Would be great if you have Quickly learn new skills and technologies. Work effectively with people across multiple organisational, functional, geographic and cultural boundaries, and across a wide spectrum of technical and professional skills. Work autonomously as and when required. Basic knowledge of blockchain technologies Our Architecture and Technology Stack AWS Kubernetes, EKS Helm Charts Docker Spinnaker/ArgoCD SaltStack, Terraform CI/CD pipelines Git, GitHub Ubuntu Jira, Confluence IaC/Infrastructure as Code Our offer In addition to great company and challenging projects, we can offer much, much more: Agile and friendly atmosphere, non-violent communication and full respect for diversity Possibility to choose from onsite (in Lodz, Poland) or hybrid work (one day a week in our office in Łódź city centre) B2B or Employment Contract - you choose Remuneration on B2B contract: 1.200-1.300 PLN net/day Remuneration on Employment Agreement: 19 000 - 21 000 PLN gross per month

🏢 Summary: Short-term B2B contract for a Manual QA Engineer to ensure stability, correctness, and regulatory compliance of a complex fintech platform handling sensitive financial and identity data. The role focuses on manual testing of web and backend systems, including KYC/AML workflows, RBAC, and integrations, within a collaborative agile environment. Remote in Poland with partial office presence expected. 🗂️ Requirements: Commercial experience as Manual QA Engineer, Experience testing web applications, Experience testing backend-driven systems, Strong knowledge of software testing methodologies, Experience creating and maintaining test cases and documentation, Experience with API testing, Ability to analyze logs and investigate system behavior, Understanding of SDLC, Participation in agile ceremonies, English proficiency for project communication 📃 Skills: ManualTesting, APITesting, Postman, Swagger, WebApplications, BackendSystems, SDLC, KYC, AML, RBAC, SQL, Blockchain 🏢 Description: We are a technology company that started its journey in 2008. Our main headquarters is located in the picturesque city of Poznań, nestled by the beautiful Malta lake. For more than 17 years, we have been assisting companies in developing and implementing innovative fintech solutions. Leveraging our expertise in areas such as blockchain, online payments, and more, our clients can invent and develop cutting-edge solutions and services that keep them at the forefront of innovation. MANUAL QA ENGINEER B2B: 60 - 80 PLN / hour START - 1 JULY TERM - 6 WEEKS (0,4 FTE) LOCATION: POLAND (REMOTE) *We offer a hybrid work model, allowing you to balance office presence with remote work. However, it's important to note that the role emphasizes a stronger presence in the office to foster teamwork and effective communication. Requirements Key Duties and Services: A Roadmap to Your Professional Success Your Mission : We are looking for a Manual QA Engineer responsible for ensuring the stability, correctness, and compliance of a complex fintech platform handling sensitive financial and identity-related data. Scope of services: Analyzing business and functional requirements and translating them into test scenarios Designing, executing, and maintaining manual test cases and test plans Validating investor onboarding and identity verification flows Testing KYC/AML workflows and compliance-related functionalities Verifying role-based access control and authorization mechanisms Validating audit logging, traceability, and regulatory reporting features Performing API and integration testing across multiple systems and providers Identifying, documenting, and tracking defects throughout the SDLC Collaborating with developers and stakeholders to clarify requirements and investigate issues Participating in sprint planning, backlog refinement, and release activities Supporting regression, smoke, and exploratory testing Here’s the set we are required: Commercial experience as a Manual QA Engineer Experience testing web applications and backend-driven systems Strong understanding of software testing methodologies and QA best practices Experience creating and maintaining test cases and test documentation Experience with API testing (Postman, Swagger or similar tools) Ability to analyze logs and investigate system behavior Strong attention to detail and analytical thinking Good communication skills in cross-functional teams English for daily project communication Nice to have: Experience in fintech, banking, investment platforms, or regulated environments Knowledge of KYC/AML processes and compliance workflows Experience testing RBAC (role-based access control) and security-sensitive systems Experience validating audit logs and regulatory reporting Familiarity with SQL and database verification Exposure to blockchain, wallets, or digital assets Basic understanding of test automation concepts Career Advancement at Your Fingertips: Explore Opportunities with Us By joining us you will get: Work on a modern fintech platform with real regulatory requirements Close collaboration with experienced engineers and product stakeholders Exposure to KYC/AML, identity systems, and compliance-heavy testing Opportunity to influence QA processes and quality standards Strong engineering culture focused on quality, security, and reliability Navigating the Hiring Process: What does the recruitment process for that position look like? HR Screening with Talent Acquisition Specialist (30 min) Technical Interview (60 min) Interview with Delivery Manager (30 min) Job Offer

🏢 Summary: The offer is for a Manual QA Engineer to design and execute manual tests for web and mobile applications within a digital banking transformation project. The role focuses on API and mobile testing, defect reporting, and improving QA processes in an Agile, microservices-based environment. You will collaborate with cross-functional teams to ensure high-quality delivery across the SDLC. 🗂️ Requirements: Minimum 3 years of experience in QA or software testing, Hands-on experience with manual testing, Experience in API testing, Experience in mobile application testing, Knowledge of REST architecture, Experience with microservices-based systems, Experience with Postman or Swagger, Proficiency with browser developer tools, Experience working in Agile environments, Experience with test management tools 📃 Skills: ManualTesting, APITesting, MobileTesting, REST, Microservices, Postman, Swagger, ChromeDevTools, Agile, SDLC, XRay 🏢 Description: Working as a Manual QA Engineer, you will: Design, create, and execute test cases for web and mobile applications Perform manual testing, including API and mobile testing Identify, document, and report defects in a clear and structured way Analyze test results and propose improvements to test strategies and processes Collaborate closely with developers and business stakeholders during product design and development Actively contribute to the development of QA best practices, tools, and processes Promote a quality-first mindset within the team and across the organization Support testing activities across different phases of the software development lifecycle (SDLC) About Chabre IT Services Chabre IT Services is a global professional IT services provider, building long-lasting relationships with Enterprises. We specialize in the delivery of tailor-made solutions,  smart outsourcing, try&hire, and success fee services. We are a smart IT boutique with unique knowledge, which will deliver your ideas into reality. About our Client Our client is a leading European financial institution undergoing a major digital transformation. By combining the agility of a fintech with the stability and experience of a global bank, they are building a new, modern banking model. The organization operates as an innovation hub, delivering cutting-edge, user-centric solutions and shaping the future of digital banking across Europe. Qualifications At least 3 years of experience in QA / software testing roles Hands-on experience with manual testing, including API and mobile testing Familiarity with REST architecture and microservices-based systems Experience with tools such as Postman or Swagger Proficiency in using browser developer tools (e.g. Chrome DevTools) for debugging and network analysis Experience working in Agile environments with cross-functional teams Knowledge of test management tools Strong communication skills and ability to work collaboratively Self-organization, adaptability, and proactive approach Curious and quality-oriented mindset Very good command of both Polish and English Nice to have: Familiarity with Google Cloud Platform (GCP) Experience with XRay or similar test management tools We offer Rate up to 120,00 PLN /h + VAT Remote work Subsidy for peripherals in the amount of 500,00zł Working tool (MacBook Pro or Lenovo Legion 5) Co-financing of courses related to the position Benefits: MultiSport, Medicover

🏢 Summary: Mid-Level QA Engineer role focused on manual testing of web applications and REST APIs in a cybersecurity-driven banking environment. The position involves driving testing phases, creating test strategies, and ensuring quality and security standards within agile and DevSecOps practices. Hybrid work model in Krakow with strong emphasis on technical growth and secure software delivery. 🗂️ Requirements: 4+ years of experience in manual QA within agile environments, Experience in web application testing, Experience in REST API testing, Knowledge of software testing methodologies, Experience working in Agile and DevSecOps, Experience with JIRA and Confluence, Experience with GIT, Experience with QTest or Tricentis or Zephyr, Familiarity with cloud platforms (GCP or AWS or Azure), Fluent English, Legal right to work in the EU 📃 Skills: QA, Testing, Manual, Web, API, REST, Agile, DevSecOps, JIRA, Confluence, GIT, QTest, Tricentis, Zephyr, GCP, AWS, Azure, UML, SAST, DAST, MAST 🏢 Description: Unleash quality that drives innovation — shape the future of software testing! Krakow-based opportunity with hybrid work model. As a Mid-Level QA Engineer , you will be working for our client, a global leader in cybersecurity within the banking and fintech industry. You will help ensure the delivery of seamless, secure software solutions by designing and executing manual tests for web applications and APIs, supporting the continuous evolution of cybersecurity standards in a fast-paced environment. This role offers excellent opportunities for career growth and technical mastery in a pioneering sector. Your main responsibilities: Collaborate with product owners to manage backlogs and define clear, testable acceptance criteria. Drive testing phases of projects, ensuring quality and security standards are met. Create and refine test strategies, plans, and manual test artifacts for various application components. Develop test scenarios for automation and performance testing to support continuous integration. Perform detailed manual testing of web applications and REST APIs, including regression, functional, and performance tests. Identify exceptions in application logs and perform initial triage for bugs and tests. Support the definition and refinement of testing environments and metrics to optimize testing efficiency. Participate in agile ceremonies, including sprint planning, reviews, and retrospectives, sharing insights and improvements. You're ideal for this role if you have: 4+ years of experience as a Manual QA Tester within an agile software development environment. Proven expertise in web application and REST API testing, including third-party integrations. Strong knowledge of software testing methodologies, especially in agile and DevSecOps contexts. Experience with testing tools such as JIRA, Confluence, GIT, and QTest/Tricentis/Zephyr. Familiarity with cloud environments (GCP, AWS, Azure). Excellent communication skills in English (fluent command). Ability to work effectively in a fast-paced, team-focused setting, delivering quality results consistently. It is a strong plus if you have: (optional) ISTQB certification or equivalent. Experience with vulnerability scanning tools (SAST, DAST, MAST). Knowledge of process flow diagramming and process improvement methodologies. Experience with UML diagrams and performance testing. Language Required for the role: Fluent English (reading, writing, speaking). Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: Team Leader – Digital Trust role focused on leading a Java-based engineering team delivering secure digital signature and electronic contracting solutions compliant with eIDAS. The position combines hands-on backend development with technical leadership, mentoring, and ownership of microservices in a distributed, cloud-enabled environment. Responsibilities include ensuring code quality, system reliability, security, and continuous delivery within an Agile process. 🗂️ Requirements: Proven experience as Team Leader or Engineering Manager, Strong experience with Java 8–11+, Experience with Spring Boot, Spring Security, Hibernate, Experience with REST and SOAP Web Services, Experience with Kubernetes and Docker, Proficiency with GIT, Knowledge of Unix and Bash, Understanding of distributed systems and networking, Strong SQL database design and SQL knowledge, Experience with CI/CD and Jenkins, Experience working in Agile environment, Ability to troubleshoot production issues in microservices 📃 Skills: Java, SpringBoot, SpringSecurity, Hibernate, REST, SOAP, Kubernetes, Docker, GIT, Unix, Bash, SQL, Jenkins, MongoDB, Oracle, Hazelcast, AWS, Azure, PKI, Cryptography, HSM, OpenAPI, Helm, Maven, Prometheus, Grafana, Testlink 🏢 Description: About the job Hey! Nice to see you! Let’s share our story to get to know a bit better…. We are business and technology enthusiast that are constantly hungry for new challenges, self- and others-development and nothing motivates us more that great software products and happy customers. At Incubly , we believe that great people want to work with great people, so we started to build such a company that will attract great minds and that we can achieve everything not feeling that we actually work, but just have fun…. Our mission is to support tech companies, startups (scaleups) mainly, in fast and high-quality scale-up of their teams and boost their product development, testing and deployment; so we can succeed together. We are currently working with french company that provides innovative solutions to help guarantee the security and legal value of paperless transactions and electronic contracting processes while offering an optimized user experience, across multiple channels, whether online, mobile, in-branch or over the phone. The solutions allow users to commit to a contract and guarantee the integrity of that commitment through a digital signature function. It also generates enforceable proof that can be used in the event of a dispute. The solutions are compliant with the European eIDAS Regulation* framework on electronic identification and trust services for electronic transactions in the internal market to create, validate and preserve simple, advanced and qualified signatures. Electronic contracting and paperless transactions are a major strategic tool for strengthening customer relationships, accelerating business growth, and improving efficiency. Transforming a contracting process to make it entirely electronic requires securing and giving legal value to transactions, agreements and documents involved. If you like to work with us, let us share our need for competencies - we look for a Team Leader - Digital Trust Your daily responsibilities Guide development team in software development and general engineering practices Serve as the direct supervisor for a team of developers, managing their day-to-day engagement and well-being Conduct regular 1-on-1 meetings to provide feedback, remove blockers, and align individual goals with company objectives Technical mentoring of developers in the team Work with the team to analyze and estimate backlog and plan development tasks Deliver features based on functional specification with cooperation with Product Owner and Functional Analyst Participate in code review process to ensure application quality, consistency and spread of good engineering practices Troubleshoot and investigate production technical issues within microservices owned by your team Implement and improve non-functional product items eg: High Availability, performance, platform monitoring Prepare and perform software patching due to security constraints, libraries eol etc Provide estimation input for roadmap items to the Product Owner Explain technical issues with non-technical team members eg: Product Owner Contributes to common libraries used across products Keep technical debt of product at a low level We need you to have Proven experience in a Team Leader or Engineering Manager role Strong knowledge and experience in Java (8 to 11+) General knowledge in Software Development Lifecycle and practices, including current industry trends Leadership skills and experience in leading or mentoring developers Experience working with Kubernetes / Docker Proficiency in using GIT Working experience with Spring Boot, Spring Security, Hibernate, WEB Services (REST and Soap) Knowledge of Unix ecosystem and tools (+Bash scripting) Understanding of networking topology and components of distributed web applications Good understanding of SQL database design and operations (SQL syntax) Familiar with CI/CD and automation tools (Jenkins) Familiar with an Agile development process (code reviews, daily standups, sprint definition, review and retros) Strong time estimation skills, and a track record of achieving deadlines Would be great if you have Experience with MongoDB, Oracle, Hazelcast in-memory DB Knowledge about PKI mechanisms : Cryptography, Certificates, HSM Experience with cloud environments (AWS, Azure) Working experience with commercial software development, testing and deployment processes (Testlink) Working experience with cloud services based on API ; OpenAPI Our Architecture and Technology Stack programming language: Java 8 to 11+ Kubernetes / Docker GIT SpringBoot, SpringSecurity, Hibernate, WebServices (REST,  Soap) CI/CD tools: Jenkins DB: Mongo, Oracle IntelliJ Prometheus, Grafana Hazelcast in-memory DB HSMs cloud services based on API, OpenAPI Testlink Helm Maven Our offer In addition to great company and challenging projects, we can offer much, much more, i.e. possibility to choose from onsite (in Lodz, Poland) or hybrid work ( one day a week in our office in Łódź city center ) reporting line to an experienced Technical Manager located in Poland B2B or employment contract monthly remuneration offered: 1.400  - 1.500 PLN net per day on B2B and 22.000 - 24.000 zł on the employment agreement

🏢 Summary: Senior TypeScript Engineer role focused on developing and maintaining a cross-platform (desktop and mobile) blockchain asset management application. The position involves owning technical development, building scalable UI features, and ensuring high quality through comprehensive testing. You will contribute to an open-source monorepo and collaborate on delivering secure, user-friendly solutions for Web3 products. 🗂️ Requirements: Minimum 5 years of software development experience, Proficiency in JavaScript, Proficiency in TypeScript, Strong experience with React.js, Experience with React Native or Electron, Solid understanding of testing strategies, Knowledge of UI/UX best practices, Experience with unit and end-to-end testing 📃 Skills: JavaScript, TypeScript, React, ReactNative, Electron, Web3, UI, UX, Testing, Jest, E2E, ModuleFederation, Repack 🏢 Description: Hey! Nice to see you! At Incubly , we believe that great people want to work with great people, so we started to build a company that will attract great minds and that we can achieve everything not by feeling that we work, but just having fun. Our mission is to mainly support tech companies and startups (scaleups) in fast and high-quality scale-up of their teams and boost their product development, testing, and deployment; so, we can succeed together. We are currently working with a French company which is a leader in security and infrastructure solutions for cryptocurrencies and blockchain applications. It has a team of more than 400 professionals developing a variety of products and services to safeguard cryptocurrency assets, including worldwide leading hardware wallets. As a Senior Typescript Engineer , you will join an international team responsible for developing and maintaining Ledger Live, our application for managing blockchain-backed assets. You will take ownership of building and optimizing the portfolio and account management UI flows, collaborate closely with other developers and hardware engineers, and contribute to delivering a reliable, secure, and user-friendly experience across web and mobile platforms. Your daily responsibilities Own the technical development of Ledger Live on desktop and mobile platforms Drive improvements and propose smart, scalable technical solutions Build features following best practices, from unit tests to end-to-end testing Ensure the quality, performance, and consistency of our UI/UX framework Participate in code reviews and help maintain high standards across the codebase Mentor colleagues, encouraging growth and fostering a culture of technical excellence Contribute 100% to open-source projects within ledger-live monorepo We need you to have Minimum 5 years of experience in software development A curious mindset and positive attitude, ready to thrive in a highly collaborative team Proficient in JavaScript and TypeScript Strong experience in React.js development, including relevant tools and libraries Experience with React Native and/or Electron Solid understanding of testing strategies Good knowledge of UI/UX best practices in software development Professional fluency in English Would be great if you have Experience in Web3 topics and technical stack. Experience in maintaining a library of shared components. Experience with module federation & repack Our offer In addition to great company and challenging projects, we can offer much much more, i.e. ·       Agile and friendly atmosphere, non-violent communication, and full respect for diversity ·       Possibility to choose from onsite (in Lodz, Poland) or hybrid work (2-3 days a week in our office in Łódź city centre). Business trips to Paris as needed, typically once every three months ·       Remuneration on B2B: 1300- 1500 zł net/ MD

🏢 Summary: Senior TypeScript Engineer role focused on developing and maintaining Ledger Live (mobile and desktop) and the Device SDK to enhance user interaction with hardware wallets. The position involves contributing to open-source projects, improving secure device communication, and supporting Web3 integrations. You will collaborate with cross-functional teams to build scalable, secure solutions for blockchain-based products. 🗂️ Requirements: Minimum 5 years of software development experience, Experience in Tech Lead role, Strong proficiency in JavaScript, Strong proficiency in TypeScript, Experience with mobile and desktop application development, Experience with secure device communication protocols, Fluency in English 📃 Skills: JavaScript, TypeScript, RxJS, APDU, Bluetooth, HID, WebUSB, U2F, Node, Electron, React, ReactNative, Blockchain, Web3, GitHubActions, CI/CD, SOLID, CleanArchitecture 🏢 Description: Hey! Nice to see you! At Incubly , we believe that great people want to work with great people, so we started to build a company that will attract great minds and that we can achieve everything not by feeling that we work, but just having fun. Our mission is to mainly support tech companies and startups (scaleups) in fast and high-quality scale-up of their teams and boost their product development, testing, and deployment; so, we can succeed together. We are currently working with a French company which is a leader in security and infrastructure solutions for cryptocurrencies and blockchain applications. It has a team of more than 400 professionals developing a variety of products and services to safeguard cryptocurrency assets, including worldwide leading hardware wallets. Join the Device Experience team at Ledger as a Senior TypeScript Engineer and help shape how users interact with  hardware wallets. You’ll work within a team of 6 engineers and a team lead, contributing to both Ledger Live (mobile and desktop) and the Device SDK, a strategic project enabling seamless Web3 integrations. Your daily responsibilities Develop and maintain the Ledger Live stack across mobile and desktop applications, as well as its broader ecosystem at Ledger Contribute 100% to open-source projects within our monorepo: ledger-live Support modularization efforts by contributing to the Device Management Kit for internal and external usage Maintain and enhance the @ledgerhq/hw-transport-* libraries, enabling secure communication with hardware wallets across multiple channels (U2F, HID, WebUSB, Bluetooth) and platforms (Web, Node, Electron, React Native) Contribute to strategic initiatives such as Clear Sign Develop and improve the My Ledger section, enabling firmware updates and app installation on devices Collaborate closely with Firmware, Product, and other engineering teams Partner with QA to further automate and strengthen testing processes Investigate and resolve complex blockchain-related edge cases and bugs We need you to have At least 5 years of experience in software development, including experience in a Tech Lead role A curious mindset and positive attitude, with the ability to thrive in a highly collaborative environment Strong proficiency in JavaScript and TypeScript Professional fluency in English Would be great if you have Experience with Functional Reactive Programming (e.g. RxJS) Experience working with devices using APDU commands, messaging protocols, and blockchain technologies Experience with Bluetooth or HID communication Previous experience working with embedded systems Open-source contribution experience Strong understanding of SOLID principles Experience with Clean Architecture Experience with GitHub Actions or similar CI/CD tools Our offer In addition to great company and challenging projects, we can offer much much more, i.e. Agile and friendly atmosphere, non-violent communication, and full respect for diversity Possibility to choose from onsite (in Lodz, Poland) or hybrid work (2-3 days a week in our office in Łódź city centre). Business trips to Paris as needed, typically once every three months Remuneration on B2B: 1300- 1500 zł net/ MD

🏢 Summary: Manual QA Engineer role in a greenfield fintech platform for the banking domain, focused on ensuring high quality of backend services and frontend applications within a cross-functional team. The position involves designing and executing comprehensive manual tests across web and mobile channels in a high-reliability financial environment. Hybrid work model with real impact on testing processes from project inception. 🗂️ Requirements: Commercial experience in manual software testing (mid-level), Experience in test case design and test planning, Experience with structured testing methodologies, Experience testing web applications, Experience testing mobile applications, Ability to test frontend (UI/UX) and backend (API, database) layers, Experience with functional, regression, integration and exploratory testing, Ability to create and maintain test documentation, Experience with defect reporting and tracking, Fluent English (spoken and written) 📃 Skills: ManualTesting, TestDesign, TestPlanning, FunctionalTesting, RegressionTesting, IntegrationTesting, ExploratoryTesting, API, REST, Postman, Swagger, JIRA, Confluence, SQL, MobileTesting, WebTesting 🏢 Description: Salary: 300 - 500 PLN/MD B2B Work model: e lastic hybrid (3 days per week from the office in Gdynia / Gdańsk / Warsaw / Rzeszów / Kraków) Why choose this offer? Opportunity to build a fintech platform from scratch (greenfield project) Real impact on architecture and core frontend services from day one Collaboration within a cross-functional, international team Work on a large-scale financial platform in the banking domain Project We are building a fintech platform from the ground up for a financial institution operating in the banking products space. As a QA Engineer , you will be embedded in a cross-functional squad, responsible for ensuring the quality of both backend services and frontend applications. This is a manual testing role - you will design test strategies, write test cases, execute tests, and work closely with developers and the Business Analyst to catch defects early and maintain a high quality bar. Quality expectations for this project are high. You will be testing financial products and services where correctness and reliability are critical. Responsibilities you'll have Design and execute manual test cases for backend services and frontend applications within your squad Develop and maintain test plans , test scenarios , and test documentation for assigned product areas Perform functional, regression, integration , and exploratory testing across web and mobile channels Collaborate with developers to understand implementation details and identify high-risk areas for testing Work with the Business Analyst to validate that delivered features meet acceptance criteria and business requirements Report, track , and verify defect resolution Maintain clear and actionable defect documentation Coordinate with the QA Lead on testing standards, processes, and cross-squad test coverage Communicate test status, risks , and quality metrics in English to the squad and stakeholders Expected competences and knowledge Solid commercial experience in manual software testing (mid-level proficiency expected) Experience with test case design, test planning , and structured testing methodologies Experience testing web applications and mobile applications Ability to test both frontend (UI/UX) and backend (API, database) layers Strong analytical skills and attention to detail - ability to identify edge cases and non-obvious defects Fluent English - ability to communicate freely in a professional setting (spoken and written) Nice to have Prior experience testing financial services or banking applications Familiarity with API testing tools (Postman, REST-assured, or similar) Basic understanding of Java/Spring backend stack and Flutter/React frontend stack Experience with test management tools (Jira, TestRail, Zephyr, or similar) Experience working in greenfield projects where testing processes need to be established from scratch Technologies you'll work with Postman Swagger REST API JIRA/Confluence SQL Client – why choose this particular client from the Jit portfolio? The client is a fintech institution operating in the Kingdom of Saudi Arabia, focused on modernising its digital capabilities and expanding its offering for micro-SME customers . It is an organisation with a strong market presence and a clear strategic commitment to innovation, aiming to deliver banking experiences that are fully digital, user-friendly, and deeply integrated with day-to-day business needs. About Jit Team The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts . We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme. Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity . By supporting indigenous initiatives, we ensure the circulation of good energy. Wymagania Oczekujemy Oferujemy

🏢 Summary: Team Leader (Java) role focused on leading a development team building secure electronic signature and digital contracting solutions compliant with eIDAS. The position combines hands-on Java development within a microservices architecture and technical leadership, including mentoring, code reviews, and improving non-functional aspects such as performance and high availability. The role involves working with Kubernetes-based deployments, CI/CD pipelines, and distributed systems in a cloud-enabled environment. 🗂️ Requirements: Proven experience as Team Leader or Engineering Manager, Strong experience with Java 8–11+, Experience with Spring Boot and Spring Security, Experience with Hibernate, Experience with REST and SOAP Web Services, Experience with Kubernetes and Docker, Proficiency with GIT, Knowledge of CI/CD tools (Jenkins), Experience with SQL databases and SQL syntax, Knowledge of Unix and Bash scripting, Understanding of distributed web applications and networking, Experience with Agile development practices 📃 Skills: Java, SpringBoot, SpringSecurity, Hibernate, REST, SOAP, Kubernetes, Docker, GIT, Jenkins, SQL, Unix, Bash, MongoDB, Oracle, Hazelcast, AWS, Azure, OpenAPI, Helm, Maven, Prometheus, Grafana, HSM, PKI 🏢 Description: About the job Hey! Nice to see you! Let’s share our story to get to know a bit better…. We are business and technology enthusiast that are constantly hungry for new challenges, self- and others-development and nothing motivates us more that great software products and happy customers. At Incubly , we believe that great people want to work with great people, so we started to build such a company that will attract great minds and that we can achieve everything not feeling that we actually work, but just have fun…. Our mission is to support tech companies, startups (scaleups) mainly, in fast and high-quality scale-up of their teams and boost their product development, testing and deployment; so we can succeed together. We are currently working with french company that provides innovative solutions to help guarantee the security and legal value of paperless transactions and electronic contracting processes while offering an optimized user experience, across multiple channels, whether online, mobile, in-branch or over the phone. The solutions allow users to commit to a contract and guarantee the integrity of that commitment through a digital signature function. It also generates enforceable proof that can be used in the event of a dispute. The solutions are compliant with the European eIDAS Regulation* framework on electronic identification and trust services for electronic transactions in the internal market to create, validate and preserve simple, advanced and qualified signatures. Electronic contracting and paperless transactions are a major strategic tool for strengthening customer relationships, accelerating business growth, and improving efficiency. Transforming a contracting process to make it entirely electronic requires securing and giving legal value to transactions, agreements and documents involved. If you like to work with us, let us share our need for competences - we look for Team Leader (Java). Your daily responsibilities Guide development team in software development and general engineering practices Serve as the direct supervisor for a team of developers, managing their day-to-day engagement and well-being Conduct regular 1-on-1 meetings to provide feedback, remove blockers, and align individual goals with company objectives Technical mentoring of developers in the team Work with the team to analyze and estimate backlog and plan development tasks Deliver features based on functional specification with cooperation with Product Owner and Functional Analyst Participate in code review process to ensure application quality, consistency and spread of good engineering practices Troubleshoot and investigate production technical issues within microservices owned by your team Implement and improve non-functional product items eg: High Availability, performance, platform monitoring Prepare and perform software patching due to security constraints, libraries eol etc Provide estimation input for roadmap items to the Product Owner Explain technical issues with non-technical team members eg: Product Owner Contributes to common libraries used across products Keep technical debt of product at a low level We need you to have Proven experience in a Team Leader or Engineering Manager role Strong knowledge and experience in Java (8 to 11+) General knowledge in Software Development Lifecycle and practices, including current industry trends Leadership skills and experience in leading or mentoring developers Experience working with Kubernetes / Docker Proficiency in using GIT Working experience with Spring Boot, Spring Security, Hibernate, WEB Services (REST and Soap) Knowledge of Unix ecosystem and tools (+Bash scripting) Understanding of networking topology and components of distributed web applications Good understanding of SQL database design and operations (SQL syntax) Familiar with CI/CD and automation tools (Jenkins) Familiar with an Agile development process (code reviews, daily standups, sprint definition, review and retros) Strong time estimation skills, and a track record of achieving deadlines Would be great if you have Experience with MongoDB, Oracle, Hazelcast in-memory DB Knowledge about PKI mechanisms : Cryptography, Certificates, HSM Experience with cloud environments (AWS, Azure) Working experience with commercial software development, testing and deployment processes (Testlink) Working experience with cloud services based on API ; OpenAPI Our Architecture and Technology Stack programming language: Java 8 to 11+ Kubernetes / Docker GIT SpringBoot, SpringSecurity, Hibernate, WebServices (REST,  Soap) CI/CD tools: Jenkins DB: Mongo, Oracle IntelliJ Prometeus, Grafana Hazelcast in-memory DB HSMs cloud services based on API, OpenAPI Testlink Helm Maven Our offer In addition to great company and challenging projects, we can offer much much more, i.e. knowledge sharing within our company training & development budget agile and friendly atmosphere, non-violent communication and full respect for diversity possibility to choose from onsite (in Lodz, Poland) or hybrid work (one day a week in our office in Łódź city center) reporting line to an experienced Technical Manager located in Poland B2B or employment contract monthly remuneration offered: 1.400  - 1.500 PLN net per day on B2B and 22.000 - 24.000 zł on the employment agreement