DevOps Engineer - Fintech/ Crypto

🏢 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

🏢 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: 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: 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: The role involves designing, implementing and maintaining DevOps solutions for international and local clients, with a focus on cloud-based infrastructures and automation. The position centers on building CI/CD pipelines, managing containerized environments, and ensuring reliable, secure infrastructure using modern DevOps tools. It offers the opportunity to work on diverse projects while leveraging infrastructure as code and monitoring solutions. 🗂️ Requirements: 3+ years experience in DevOps, Strong knowledge of Docker and Docker Compose, Solid Linux administration skills, Understanding of networking and security best practices, Experience implementing CI/CD pipelines, Proficiency in Infrastructure as Code, Experience with monitoring and logging tools, Basic scripting skills in Bash or Python, Ability to explain infrastructure solutions to clients, English B2 level, Higher technical education in IT or related field 📃 Skills: Docker, DockerCompose, Linux, Networking, Security, Jenkins, GitLabCI, GitHubActions, Terraform, Ansible, CloudFormation, Prometheus, Grafana, ELK, Bash, Python, Kubernetes, Azure, GCP, PostgreSQL, n8n 🏢 Description: We are currently looking for an experienced and ambitious DevOps Engineer to join our team. You will be responsible for carrying out work on projects for our international and local clients. About Devapo At Devapo, we focus on ownership, continuous self-development and acquiring new knowledge. We build solutions leveraging various cloud platforms and utilize cutting-edge technologies to deliver real business results for our customers. If you are a fast learner, want to participate in international projects, are a team player, and can work independently — join us! We provide our clients with more than just code — we want to equip them with tools that allow their businesses to flourish. Our clients' success is our success, which is why we ensure that everyone who creates Devapo has a long-term goal in mind. At Devapo, you'll have the opportunity to put your skills into action, gain a lot of experience while delivering real solutions in a fast-paced work environment. We strongly believe that technology is a tool to deliver usable solutions solving real business problems. We love to work with proactive, solution-oriented and direct people. We value work ethic, appetite for learning new things and responsibility more than any particular technical prowess. What we expect: Must have: 3+ years of experience in DevOps practices and tools Strong knowledge of Docker and Docker Compose Solid Linux administration skills Strong understanding of networking concepts and security best practices Experience with CI/CD pipelines implementation (Jenkins, GitLab CI, GitHub Actions) Proficiency in infrastructure as code (Terraform, Ansible, CloudFormation) Working knowledge of monitoring and logging solutions (Prometheus, Grafana, ELK stack) Basic scripting skills (Bash, Python) Ability to interact with clients to explain your infrastructure solutions Proficiency in English (min. B2) and Polish Higher technical education (Information Technology or related) Good to have: Experience with container orchestration (Kubernetes) Experience with cloud platforms (Azure, GCP) Knowledge of Azure Container Services PostgreSQL database administration Hands-on experience with Terraform Experience with n8n or any other workflow automation tools What we offer: Training and certification funding, with time for learning during working hours Private medical care: Medicover Multisport Language classes (English) Flexible working hours Team meetings and integration events Referral bonus for recommending a new employee Possibility of hybrid work from our Warsaw office

🏢 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: Hands-on DevOps Engineer role focused on operating and evolving a secure, mission-critical fintech platform used by global financial institutions. Responsible for production operations, CI/CD pipelines, cloud infrastructure, monitoring, incident management, and release coordination in a regulated environment. Combines engineering and operations to ensure reliability, security, and scalability at scale. 🗂️ Requirements: Experience with Linux/Unix systems in production, Proficiency in Infrastructure as Code using Terraform and Ansible, Experience building and maintaining CI/CD pipelines, Hands-on experience with cloud platforms (Azure preferred), Experience with containers and orchestration (Docker, Kubernetes), Scripting skills in Python and Bash, Strong security and incident response experience, Experience with monitoring and logging tools 📃 Skills: Linux, Unix, Terraform, Ansible, CI/CD, Azure, Docker, Kubernetes, Python, Bash, ELK, Grafana, Datadog, ISO27001, SOC2 🏢 Description: An innovative financial technology company is seeking an experienced DevOps Engineer to help operate and evolve a highly secure, mission‑critical platform used by global financial institutions. You’ll be responsible for production operations, CI/CD, cloud infrastructure, monitoring, incident management, and release coordination across a distributed platform. The role is hands‑on, blending operations with engineering in a regulated environment. Key skills Linux/Unix systems in production Infrastructure as Code (Terraform, Ansible) CI/CD, monitoring (ELK, Grafana, Datadog) Cloud platforms (Azure preferred) Containers & orchestration (Docker, Kubernetes) Scripting (Python, Bash) Strong security and incident response experience Nice to have Financial services experience Security, networking, or blockchain exposure Compliance standards (ISO27001, SOC2) What’s on offer Complex technical challenges in modern fintech Collaborative, high‑calibre engineering team Competitive package and flexible working Interested in building reliable, secure platforms at scale—apply to find out more.

🏢 Summary: DevOps Engineer role focused on building, scaling, and securing cloud infrastructure while enabling efficient CI/CD workflows. The position involves managing Kubernetes-based environments on AWS, optimizing automation, and ensuring high availability and performance of systems. The role also includes infrastructure as code, monitoring, database management, and secure authentication integration. 🗂️ Requirements: BA/BS in technical field or equivalent experience, 5+ years in DevOps, SRE, or Infrastructure Engineering, Strong experience with Kubernetes, Deep knowledge of AWS core services, Experience with containerization technologies, Strong understanding of networking concepts, Proficiency with infrastructure-as-code tools, Experience with monitoring tools, Strong scripting or programming skills, Solid understanding of system security best practices 📃 Skills: Kubernetes, AWS, EC2, S3, IAM, RDS, Docker, Helm, Terraform, Pulumi, CloudFormation, Prometheus, Grafana, CloudWatch, Python, Bash, Go, PostgreSQL, SAML, OAuth2, OIDC, ELK, Loki, FluentBit, GitHubActions, Jenkins, CircleCI, Ansible, EKS, GKE 🏢 Description: We are looking for a skilled and driven DevOps Engineer to join our growing team. In this role, you will take ownership of building, maintaining, and scaling the infrastructure that powers our platform. You will ensure our systems are secure, performant, and highly available, while enabling seamless development and deployment workflows. Responsibilities: Design, implement, and manage scalable infrastructure using Kubernetes and AWS. Optimize CI/CD pipelines to improve build and deployment times and reduce friction. Monitor and troubleshoot infrastructure performance and availability. Manage and maintain relational databases, primarily PostgreSQL. Implement and support secure authentication systems using SSO protocols (e.g., SAML, OIDC, OAuth2). Enhance infrastructure as code using tools like Terraform and Ansible. Ensure security best practices are applied across all infrastructure components. Collaborate cross-functionally with development, QA, and product teams. Drive automation of operational tasks to increase team efficiency and reduce manual toil. Required Skills: BA/BS in a technical or engineering discipline or equivalent experience 5+ years of experience in a DevOps, SRE, or Infrastructure Engineering role. Strong experience with Kubernetes (EKS, GKE, or self-managed). Deep knowledge of AWS core services (EC2, S3, IAM, RDS, etc.). Knowledge of containerization technologies (e.g., Docker, Kubernetes, Helm) Solid understanding of networking concepts (VPCs, subnets, routing, firewalls, DNS). Proficiency with infrastructure-as-code tools (Terraform, Pulumi, or CloudFormation). Comfortable with monitoring tools (Prometheus, Grafana, CloudWatch, etc.). Strong scripting or programming ability (Python, Bash, or Go). Solid understanding of system security and best practices. Preferred Skills: Familiarity with SSO protocols such as SAML, OAuth2, and OpenID Connect. Experience managing and tuning PostgreSQL in production environments. Exposure to log aggregation tools (ELK, Loki, or Fluent Bit). Experience with CI/CD tools like GitHub Actions, Jenkins, or CircleCI. We offer*: Flexible working format - remote, office-based or flexible A competitive salary and good compensation package Personalized career growth Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more) Active tech communities with regular knowledge sharing Education reimbursement Memorable anniversary presents Corporate events and team buildings Other location-specific benefits