Team Leader - Digital Trust

🏢 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 – 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: 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: 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: 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: 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: Mid-level Software Engineer role focused on building cloud-native solutions that support the energy transition and solve complex engineering challenges. The position involves working with modern technology stacks, distributed systems, and international clients in a collaborative environment. It offers hands-on experience with cloud architectures and opportunities for technical growth. 🗂️ Requirements: Mid-level commercial experience in software development, Experience with one ecosystem: Java 17+ with Spring/Spring Boot or C# with .NET/ASP.NET Core or TypeScript with Node.js, Basic knowledge of AWS, Azure, or GCP, Knowledge of HTTP and REST API design, Understanding of programming principles and design patterns, Experience with unit or integration testing, Working knowledge of SQL databases, English proficiency minimum B2 (written and spoken) 📃 Skills: Java, Spring, SpringBoot, C#, .NET, ASP.NET, TypeScript, Node.js, AWS, Azure, GCP, HTTP, REST, SQL, UnitTesting, IntegrationTesting 🏢 Description: Join a team building software that supports the energy transition and tackles real engineering challenges. We’re looking for a mid-level engineer who values code quality, enjoys learning new domains, and wants to grow while working with modern cloud technologies. Requirements: Mid-level commercial experience in software development Familiarity with Java 17+ and the Spring ecosystem (Spring / Spring Boot) as the primary technology stack, along with at least one additional technology ecosystem, such as: TypeScript with Node.js C# with .NET / ASP.NET Core Knowledge of the additional technology ecosystem does not need to come from commercial experience; personal projects, open-source contributions, or academic experience are also welcome. Knowledge of AWS and serverless/cloud-native architectures HTTP protocol knowledge of REST API design Knowledge of programming principles and design patterns Experience with unit and/or integration testing Working knowledge of SQL databases Strong English communication skills (minimum B2), both written and verbal. You'll be working directly with international clients and cross-functional teams, so clear communication is essential Nice to have: Experienced in using AI tools in day-to-day workflow understanding of asynchronous communication and messaging systems (e.g. RabbitMQ, Kafka, or cloud-native solutions) Familiarity with Docker and containerized applications Exposure to Kubernetes Experience with NoSQL databases CI/CD pipelines knowledge What We Offer: Real, meaningful work. Our projects directly support the energy transition, and the engineering challenges that come with them are anything but trivial. An environment for ambitious engineers. You’ll be challenged and supported in equal measure, with a clear development path and regular feedback to keep you growing. Mentorship from experienced engineers and consultants who've been where you're heading. Hands-on exposure to modern cloud architectures, distributed systems, and complex integrations from day one. A collaborative team that shares knowledge openly and genuinely cares about collective success. What we value just as much as technical skills is an engineering mindset: You care about code quality and maintainability, but you also know when to move fast and when to slow down and get it right. You Are comfortable with change and ambiguity and can navigate new domains. You enjoy working across different stacks and client contexts, and can jump into unfamiliar territory and figure things out. You have a client-first mindset and can build long-term partner relationships, not just deliver features. You take initiative: mentoring a teammate, shaping a technical decision, or improving how we work. You naturally share knowledge and learn from others. About Codibly Codibly is a technology & consulting company focused on custom software and product development. We are a community of thinkers and innovators - people who want to code the difference and constantly develop their skills. Our industrial expertise is centered around the energy & utility sector, but we have collaborated with companies from fintech, healthcare, HR, and other industries. Be here. Be charged up.

🏢 Summary: Senior MAUI Developer role focused on designing, building, and maintaining cross-platform mobile applications using .NET MAUI for Android and iOS. The position involves full ownership of mobile features from concept to production, including architecture, testing, performance optimization, and release management. The role requires close collaboration with cross-functional teams to deliver high-quality, scalable mobile solutions. 🗂️ Requirements: Strong commercial experience with .NET MAUI, Proven experience delivering end-to-end mobile solutions, Strong proficiency in C#, Strong knowledge of .NET ecosystem, Experience with cross-platform mobile development for Android and iOS, Understanding of MVVM and mobile architecture patterns, Experience with full Software Development Lifecycle, Experience with unit testing and code reviews, Experience with performance optimisation and debugging of mobile apps, Knowledge of mobile app lifecycle and deployment processes, Experience working in Agile/Scrum environments 📃 Skills: .NET, MAUI, C#, Android, iOS, MVVM, Azure, AzureDevOps, REST, CI/CD, Xamarin 🏢 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 now collaborating with a leading company in critical infrastructure management to transform the protection and maintenance of underground utilities. 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’re looking for a Senior MAUI Developer , a strong individual contributor who can take full ownership of mobile development work. This role requires someone who not only writes high-quality code but also thinks holistically about the product, understands trade-offs, and drives features from concept to production. Your daily responsibilities Design, develop, and maintain cross-platform mobile applications using .NET MAUI (Android & iOS) with a strong focus on code quality and scalability Take end-to-end ownership of mobile features - from requirements analysis, through implementation, testing, release, and post-production support Translate business requirements into robust technical solutions, actively contributing to architecture and design decisions Write clean, testable, and maintainable code following best practices in the .NET ecosystem Ensure high quality through unit testing, code reviews, and continuous refactoring Collaborate closely with backend developers, QA, designers, and product stakeholders to deliver complete mobile solutions Troubleshoot and resolve complex issues across the full stack (UI, integration, performance, production incidents) Continuously improve application performance, reliability, and maintainability Contribute to backlog refinement, estimations, and technical breakdown of features Actively participate in Agile/Scrum ceremonies and support continuous improvement within the team We need you to have Strong commercial experience with .NET MAUI (required) - deep, hands-on expertise in building and maintaining production mobile apps Proven experience delivering end-to-end mobile solutions (from idea to production and support) Strong proficiency in C# and the .NET ecosystem Solid experience with cross-platform mobile development for Android and iOS Strong understanding of mobile architecture patterns (e.g., MVVM) and clean code principles Experience with the full Software Development Lifecycle (SDLC) Ability to work independently and take full ownership of features and technical solutions Strong problem-solving skills and ability to debug complex issues across mobile applications Experience with performance optimisation, debugging, and profiling mobile apps Understanding of mobile app lifecycle, deployment processes, and store releases Experience working in Agile/Scrum environments Ability to communicate technical concepts clearly and collaborate effectively with cross-functional teams Would be great if you have Previous experience with Xamarin (migration to MAUI is a strong plus) Experience integrating mobile apps with .NET backend services and REST APIs Familiarity with Azure and cloud-based architectures Experience with CI/CD pipelines, mobile build automation, and app distribution Hands-on experience with tools like Azure DevOps, App Centre, or similar Knowledge of observability practices (logging, monitoring, crash reporting, telemetry) Understanding of mobile security best practices Experience with UI/UX optimisation and accessibility Exposure to full-stack development or collaboration with web teams Our Technology Stack .NET MAUI Android, iOS Azure Azure DevOps Our offer In addition to great company and challenging projects, we can offer much, much more: An agile and friendly atmosphere, non-violent communication and full respect for diversity. Possibility to choose from onsite (in Lodz, Poland) or hybrid work B2B or Employment Contract - you choose. Remuneration on B2B contract: 1.400-1.600 PLN net/day or 22.000 - 25.000 PLN gross/ month. Aplikuj ID: 142Da

🏢 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