Senior Typescript Engineer (Coin Integration) - FinTech / Crypto

🏢 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: 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: 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: 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

🏢 Summary: Team Leader (Java) role focused on leading a development team building secure electronic signature and digital contracting solutions compliant with eIDAS regulations. The position combines hands-on backend development in a microservices environment with technical mentoring, code quality oversight, and responsibility for non-functional requirements such as performance and high availability. The role involves close collaboration with Product Owners and ensuring reliable deployment in cloud-based, containerized environments. 🗂️ Requirements: Proven experience in Team Leader or Engineering Manager role, 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 Unix and Bash scripting, Understanding of distributed web applications and networking, Strong knowledge of SQL and database design, Experience with CI/CD tools such as Jenkins, Experience working in Agile environment 📃 Skills: Java, SpringBoot, SpringSecurity, Hibernate, REST, SOAP, Kubernetes, Docker, GIT, Unix, Bash, SQL, Jenkins, MongoDB, Oracle, Hazelcast, AWS, Azure, OpenAPI, Testlink, 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 on B2B and 22.000 - 24.000 zł on the employment agreement

🏢 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: Engineering Manager (Java) role focused on leading a development team building secure electronic signature and paperless transaction solutions compliant with eIDAS. The position combines hands-on Java development with technical leadership, code quality oversight, and ownership of microservices in a distributed, cloud-based environment. The role involves improving non-functional aspects such as performance, security, and high availability within a Kubernetes-based architecture. 🗂️ 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 SQL and database design, Experience with CI/CD tools (Jenkins), Knowledge of Unix and Bash scripting, Understanding of distributed systems and networking, Experience working in Agile environment 📃 Skills: Java, SpringBoot, SpringSecurity, Hibernate, REST, SOAP, Kubernetes, Docker, GIT, SQL, Jenkins, Unix, Bash, MongoDB, Oracle, Hazelcast, AWS, Azure, PKI, Cryptography, HSM, OpenAPI, Testlink, Helm, Maven, Prometheus, Grafana 🏢 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 Engineering Manager (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 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: Technical role focused on building end-to-end blockchain solutions, covering smart contract development, full-stack application integration, and infrastructure operations on distributed ledger platforms. The position involves designing Solidity-based contracts, integrating DeFi and tokenization standards, and maintaining Docker-based environments and blockchain nodes. You will work across frontend, backend, and blockchain layers for digital asset projects. 🗂️ Requirements: Hands-on experience with Solidity on EVM-compatible blockchains, Working knowledge of ERC-20 token standard, Understanding of DeFi concepts (AMMs, liquidity pools, on-chain settlement), Experience with React or Angular, Experience with Python or Java or Node.js, Ability to design and integrate RESTful APIs, Practical experience with Docker and docker-compose, Ability to set up, debug, and maintain multi-service environments, Linux command-line proficiency 📃 Skills: Solidity, EVM, ERC-20, DeFi, React, Angular, Python, Java, Node.js, REST, Docker, docker-compose, Linux, Blockchain, DLT, Kafka 🏢 Description: WHO WE ARE Accenture is a leading global professional services company that helps the world’s leading businesses, governments, and other organizations build their digital core, optimize their operations, accelerate revenue growth, and enhance citizen services. We offer solutions and assets across Strategy & Consulting, Technology, Operations, Industry X, and Accenture Song. THE WORK You will work across blockchain, application development, and infrastructure, contributing to end‑to‑end solutions built on distributed ledger technologies. Your responsibilities will include: Designing, developing, and auditing smart contracts on EVM‑compatible blockchains using Solidity Implementing tokenization flows based on standards such as ERC‑20, ERC‑3643, and ERC‑1400 Building and maintaining web applications with a React frontend and backend services in Python, Java, or Node.js Integrating smart contracts with web applications and external systems Setting up, configuring, and maintaining Docker‑based development and staging environments Integrating with DeFi protocols, on‑chain settlement layers, and payment networks Operating and monitoring blockchain nodes and validator infrastructure Investigating and resolving complex integration issues across APIs, event‑streaming platforms (e.g., Kafka), and ledger systems Contributing to architecture decisions related to custody, key management, and cross‑chain interoperability Flexible: The work location for this role may include a mix of working remotely, onsite at a client or in an Accenture office – depending on specific project circumstances. With all our roles, there is some in‑person time for collaboration, learning, and building relationships with clients, peers, leaders, and communities. As an employer, we will be as flexible as possible to support your specific work/life needs. WHAT’S IN IT FOR YOU? Work on innovative blockchain and digital asset projects for international clients Build end‑to‑end expertise by working across smart contracts, applications, and infrastructure Collaborate with experienced engineers in multidisciplinary, international teams Qualification HERE’S WHAT YOU’LL NEED: Blockchain / DLT Hands‑on experience with Solidity on EVM‑compatible chains Working knowledge of token standards (minimum ERC‑20) Understanding of DeFi concepts such as AMMs, liquidity pools, and on‑chain settlement Full‑Stack Development Experience with at least one frontend framework: React or Angular Experience with at least one backend technology: Python, Java, or Node.js Ability to design and integrate RESTful APIs Infrastructure & DevOps Practical experience with Docker and docker‑compose Ability to independently set up, debug, and maintain multi‑service environments Linux command‑line proficiency BONUS POINTS IF YOU HAVE: Experience with Hyperledger Besu, Canton / DAML, or other enterprise DLT platforms Familiarity with digital asset custody solutions (e.g., MPC, HSM, Fireblocks, Taurus) Knowledge of Layer‑2 or cross‑chain solutions (e.g., CCIP, IBC) Experience with Kafka or other event‑streaming platforms Understanding of stablecoin architectures and payment network integrations Experience operating blockchain nodes or validator infrastructure at scale Research indicates that some candidates, especially the most diverse ones, may hesitate to apply for positions if they don't meet all requirements. If you believe you possess the necessary skills, even if not meeting every requirement, we wholeheartedly encourage you to submit your application. WHAT WE OFFER? • Permanent employment contract. • Support of a dedicated People Lead and clear development pathways. • Access to extensive training platforms (soft, technical, language). • Private medical care and life insurance. • Employee Assistance Program (legal, financial, psychological support). • Employee Share Purchase Plan eligibility. • Benefits platform (including Multisport card). • Paid employee referral program. WHAT WE BELIEVE Accenture does not discriminate against candidates based on race, religion, color, sex, age, disability, national origin, political beliefs, trade union membership, ethnicity, denomination, sexual orientation, or any other basis prohibited under Polish law. Our leaders are committed to building a better, stronger, and more sustainable company for future generations, creating positive and lasting change. Inclusion and diversity are fundamental to our culture and core values. Our diverse workforce makes us more innovative and creative, enabling us to better serve our clients and communities. As a partner to many of the world’s leading businesses, organizations, and governments, we have both a unique opportunity and a responsibility to make a meaningful impact. Sustainability is one of our key commitments, and we embed it into everything we do and everyone we work with. When applying, please include the following statement: "I hereby consent to the processing of my personal data by Accenture sp. z o.o. with its registered seat in Warsaw (00‑121), at ul. Sienna 39, NIP 526‑00‑15‑900 (Data Controller), in accordance with the Act of May 10, 2018, on the Protection of Personal Data (Journal of Laws of 2018, item 1000) and the Regulation on the protection of natural persons with regard to the processing of personal data and on the free movement of such data, and repealing Directive 95/46/EC (Data Protection Directive), necessary to carry out the recruitment process by Accenture. At the same time, I declare that I provide my personal data voluntarily. I also declare that I have been informed about my right to withdraw my consent or object to the processing of my data, request access to them, rectification, deletion, limitation of processing, and their transfer at any time, as well as the right to lodge a complaint with the data protection supervisory authority." #LI-EU

🏢 Summary: Scrum Master role supporting a software platform for critical infrastructure management, focused on improving agile processes and team effectiveness. The position drives continuous improvement, removes impediments, and ensures high-quality delivery through Scrum best practices and metrics. You will collaborate closely with product and engineering stakeholders to maximize business value. 🗂️ Requirements: 5+ years experience as Scrum Master or in leadership role, Strong knowledge of software development processes, Experience with backlog and task management tools, Understanding of quality and quantity metrics (KPIs), Experience driving continuous improvement culture, Fluency in English, Fluency in Polish 📃 Skills: Scrum, Agile, AzureDevOps, KPIs, Metrics, Backlog, English, Polish 🏢 Description: Hey! Nice to see you! At Incubly, we believe that great people want to work with great people. We build teams and environments where talented engineers can grow, create meaningful solutions, and enjoy the journey together. Our mission is to support tech companies and scaleups in quickly and effectively growing their teams, while boosting product development, testing, and deployment. We are now working with a leading company in critical infrastructure management to transform how underground utilities are protected and maintained. With their innovative software platform, they have been helping organisations prevent damage and improve safety during excavation projects. Through this partnership, we are driving the future of infrastructure safety—using advanced data analysis and technology to create smarter, safer, and more efficient communities. We are now looking for a Scrum Master to join their team and help shape this mission. Your daily responsibilities Continuously improving team processes, helping to remove impediments, making dependencies transparent, and optimising workflows to maximise team efficiency and performance Ensure the effectiveness of all scrum events Work closely with the Product Owner, Engineering Manager, the Development Team, and other stakeholders to ensure the team focuses on the most important tasks and delivers real business value Coach the team in agile and Scrum best practices Implementing and monitoring key metrics to drive improvement and eliminate bottlenecks Adapt tools used by teams to support defined processes and collaboration between team members Influence ways of working at both the team and domain levels We need you to have Over 5 years of experience as a Scrum Master or in a management/ leadership role Good knowledge of software development processes and procedures Good knowledge of backlog and task management tools Good understanding of quality and quantity metrics and their usage for identifying process bottlenecks Experience in building a continuous improvement organisation culture based on KPIs and an empirical approach Excellent communication and facilitation skills Fluency in spoken and written English and the Polish language Would be great if you have Experience with distributed, international and multi-timezone team setup Good knowledge of the Azure DevOps tool Our offer In addition to great company and challenging projects, we can offer much more, i.e. A supportive community of Scrum Masters at Incubly Hybrid work model from our office at 24 Piłsudskiego Street, Łódź Remuneration: 1.200–1.400 PLN daily on a B2B contract or between 19.000 - 22.000 PLN gross/ month on an Employment Agreement (UoP), depending on your experience

🏢 Summary: Hands-on DevOps Engineer role focused on building, configuring and operating cloud-native API platforms based on Gravitee, Kubernetes and public cloud infrastructure. The position involves implementing production-ready environments, automating deployments and managing CI/CD and observability across multiple client projects. You will collaborate with architects and client teams to deliver scalable, secure API platforms. 🗂️ Requirements: Strong experience in DevOps or Platform Engineering roles in production environments, Hands-on experience with Kubernetes deployments, networking and RBAC, Experience with public cloud infrastructure (AWS preferred), Experience with Infrastructure as Code tools, Experience building and maintaining CI/CD pipelines, Knowledge of containerization and cloud-native deployment patterns, Understanding of API-based systems and integration architectures, Knowledge of infrastructure and API security (TLS, IAM, secrets management), Experience with monitoring and observability tools, Ability to troubleshoot infrastructure, platform and application issues, Good command of English 📃 Skills: Kubernetes, Gravitee, AWS, Azure, GCP, Terraform, CloudFormation, Helm, Docker, GitHub, GitLab, Jenkins, ArgoCD, Flux, Prometheus, Grafana, ELK, OpenSearch, OpenTelemetry, IAM, TLS, EKS, Route53, S3, RDS, Kafka, Kinesis 🏢 Description: Hey! Nice to see you! At Incubly, we believe that great people want to work with great people, so we started building a company that would attract great minds and enable us to achieve our goals without feeling like we're just working, but rather having fun. Our mission is to mainly support tech companies and startups (scaleups) in fast, high-quality scaling up of their teams and boosting their product development, testing, and deployment so that we can succeed together. We are working with Gravitee, a global leader in API Management and a 2024 Gartner Magic Quadrant™ Leader. Founded in 2015 by four developers, Gravitee now powers API and event stream ecosystems for enterprises like Michelin, Roche, and Blue Yonder—driving digital transformation and enabling innovation at scale. We are looking for a DevOps Engineer to work with our clients on building, configuring and operating cloud-native API platforms, primarily based on Gravitee API Management, Kubernetes and public cloud infrastructure. You will work closely with Solution Architects and client teams, translating architecture designs into production-ready environments and automation. Your daily responsibilities Deploy, configure and operate API Management platforms (primarily Gravitee) across development, test and production environments Install, configure and maintain Gravitee components on Kubernetes (Gateways, Management API, UI, repositories, operators) Prepare and manage Kubernetes environments, including namespaces, networking, ingress/egress, secrets and RBAC Build and maintain Infrastructure as Code using Terraform and Helm charts Design, implement and maintain CI/CD pipelines for: API definitions and configurations Gravitee plugins and extensions Infrastructure and platform components Automate deployments, upgrades and configuration changes across environments Configure and operate observability stacks for API platforms (logging, metrics, tracing, dashboards, alerts) Support API Gateway configuration from an operational perspective (policies, certificates, secrets, runtime configuration) Troubleshoot and resolve issues across infrastructure, Kubernetes, CI/CD and API Gateway runtime Collaborate closely with Solution Architects to implement target architectures defined during discovery and design phases Participate in environment handovers, operational documentation and client enablement Work with distributed teams and clients across different time zones in a consulting delivery model We need you to have Strong experience in DevOps / Platform Engineering roles in production environments Hands-on experience with Kubernetes in real-world deployments (installation, upgrades, networking, RBAC, config management) Practical experience deploying and operating applications on public cloud infrastructure (AWS preferred; Azure or GCP acceptable) Experience with Infrastructure as Code tools (Terraform, CloudFormation or similar) Experience building and maintaining CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins, Azure DevOps, Argo CD, Flux, Helm) Solid understanding of containerization (Docker) and cloud-native deployment patterns Good understanding of API-based systems and integration architectures Practical knowledge of security concepts relevant to infrastructure and APIs (TLS, certificates, secrets management, IAM, least privilege) Experience with monitoring and observability tooling (Prometheus, Grafana, ELK/OpenSearch, OpenTelemetry or similar) Ability to troubleshoot complex issues across infrastructure, platform and application layers Good communication skills and ability to work directly with architects and client teams Good command of English (spoken and written) It would be great if you also have Hands-on experience with Gravitee API Management Platform (deployment, configuration, upgrades, troubleshooting) Experience supporting API Gateways or similar middleware platforms (Kong, Apigee, AWS API Gateway, WSO2, MuleSoft) Experience with AWS services used in integration and platform scenarios (EKS, IAM, ALB/NLB, Route53, S3, RDS, MSK, SQS/SNS) Experience with event-driven or streaming platforms (Kafka, Kinesis) Experience working in regulated environments or with security/compliance requirements Experience working in a consulting or Professional Services delivery model What you can expect from the role A strongly hands-on role focused on building and running real production platforms Close collaboration with Solution Architects and API engineers on client projects Work with modern cloud-native technologies (Gravitee, Kubernetes, AWS, Terraform, CI/CD, observability) Exposure to multiple client environments and architectures instead of a single internal platform Opportunity to grow into senior / lead DevOps or platform engineering roles over time Our offer In addition to great company and challenging projects, we can offer much more, i.e. Knowledge sharing within our company Agile and friendly atmosphere, non-violent communication and full respect for diversity Remuneration: 1.100–1.300 PLN daily on a B2B contract , depending on experience and platform expertise