Lead Developer

🏢 Summary: The offer is for a Senior Java Developer to design, develop, and maintain Java-based applications in AWS cloud environments. The role involves building microservices, integrating APIs, ensuring code quality, and resolving performance issues within Agile teams. It focuses on delivering robust, scalable cloud-native solutions using modern Java technologies. 🗂️ Requirements: Proven experience in Java development, Experience with AWS cloud services, Experience developing microservices, Experience with API integration, Knowledge of Agile methodologies, Experience with code testing and code reviews, Ability to troubleshoot and resolve performance issues 📃 Skills: Java, AWS, Spring, Hibernate, Microservices, API, Agile, DevOps 🏢 Description: We are looking for a Senior Java Developer with solid experience in Java and Cloud. The ideal candidate should have exceptional skills in developing and implementing solutions using the latest technologies. Main Responsibilities: Develop and maintain Java-based applications in cloud environments. Collaborate with multidisciplinary teams to design and implement robust solutions. Perform testing and ensure code quality. Participate in code reviews and provide constructive feedback. Identify and resolve application performance issues. Key Requirements: Proven experience in Java development. Familiarity with cloud services (AWS). Knowledge of Agile development practices. Skills in API integration and microservices. Ability to solve problems effectively. Desirable: Experience with DevOps tools. Familiarity with Java frameworks such as Spring or Hibernate. Relevant certifications in Java or Cloud.

🏢 Summary: The role involves developing and enhancing a language proficiency testing platform as part of an agile team, focusing on scalable backend and cross-platform frontend solutions. The position requires strong experience in microservices, serverless architecture, CI/CD, and cloud-based systems, along with active participation in code reviews and technical decision-making. You will work on improving code quality, testing practices, and system reliability in a remote or hybrid model. 🗂️ Requirements: 7+ years of software development experience, Fluency in English, Experience with microservices architecture, Experience with serverless architecture, Experience with CI/CD pipelines, Strong knowledge of unit, integration, and E2E testing, Strong knowledge of Java and related frameworks, Experience with relational databases and MongoDB, Experience with messaging systems (AWS SQS required), Strong knowledge of JUnit, Knowledge of backend security best practices and OWASP, Experience with AWS cloud services, Experience with Docker, Experience with cross-platform frontend development, Experience with Angular and React ecosystems 📃 Skills: Java, Play, Spring, SBT, Maven, Gradle, MongoDB, SQL, SQS, RabbitMQ, Kafka, JUnit, OWASP, AWS, Docker, Selenium, Sonar, Angular, TypeScript, React, Redux, MUI, Electron, Axios, Jest, Vitest, Karma, Jasmine 🏢 Description: Full Stack Developer will involve developing and enhancing a platform designed for conducting language proficiency tests. Your responsibilities: Work on an agile engineering team, following Agile best practices while writing maintainable and scalable code and influencing team decisions Collaborate with stakeholders to design and test new product functionalities Review the code of other team members and provide constructive direction. Promote a culture of sharing through mentoring and knowledge exchange Drive continuous improvement of code quality, customer experience, and maintainability of products/features Independently clarify technical requirements, assess development estimates, and apply a broad range of design approaches We are looking for you, if you have: 7+ years of experience Fluency in English is a must Experience on Microservice and Serverless architecture Experience on CI/CD practices Solid testing knowledge – E2E, unit testing, integration testing, etc. Technicall skills: Java: Play3 Framework/Spring Boot SBT, Maven, Gradle MongoDB and Relational Databases Bus messaging systems. AWS SQS is a must, but other technologies like RabbitMQ and Kafka will also be considered Strong Junit knowledge Backend security best practices, including familiarity with OWASP Experience with AWS technologies, Docker, Selenium, Sonar Cross-platform development Angular 13 + TypeScript React + Redux + Material UI (MUI) + TypeScript Electron Axios Jest, Vitest, Karma and Jasmine We offer: Participation in interesting and demanding projects Flexible working hours A great, non-corporate atmosphere Stable employment conditions (contract of employment or B2B contract) Opportunities for development and promotion Attractive package of benefits Work model: remote or hybrid (2 days per week from the office) We reserve the right to contact the selected candidates.

🏢 Summary: Senior Java Developer role focused on designing and implementing enterprise-grade backend solutions using modern architecture principles. The position emphasizes high code quality, performance, security, and collaboration within a distributed team. The role involves working with Java 17+, Spring ecosystem, databases, and event-driven systems. 🗂️ Requirements: Minimum 5 years of commercial software development experience, Very good knowledge of Java 17+, Strong understanding of object-oriented design patterns, Experience with Spring MVC and Spring Data, Experience with Apache Kafka, Ability to design relational and non-relational databases (MS SQL, Oracle, Elasticsearch, Redis), Knowledge of software engineering best practices, English proficiency for technical documentation, Ability to work effectively in a distributed team 📃 Skills: Java, Spring, SpringMVC, SpringData, Kafka, MSSQL, Oracle, Elasticsearch, Redis, OOP, UML, Docker, Kubernetes, Azure, JavaScript, React, Python 🏢 Description: We are looking for an experienced Senior Java Developer with at least 5 years of commercial experience to join a team working on enterprise-grade backend solutions. The role focuses on designing and implementing software in a modern architecture, with a strong emphasis on code quality, performance, security, and effective collaboration within a distributed team. Responsibilities Design and implement software using hexagonal architecture. Develop backend solutions using Java 17+ and the Spring ecosystem. Ensure high code quality and compliance with agreed development standards. Analyse system performance, security, and stability, and propose improvements. Design and optimise data structures for relational and non-relational databases. Collaborate with a distributed team, participate in technical analysis, code reviews, and solution design. Identify technical challenges and propose improvements to architecture and implementation. Requirements Minimum 5 years of commercial software development experience. Very good knowledge of Java 17+. Strong understanding of object-oriented design patterns and software engineering best practices. Experience with the Spring stack, especially Spring MVC and Spring Data. Knowledge of Apache Kafka. Ability to design databases: relational: MS SQL, Oracle, non-relational: Elasticsearch, Redis. English skills sufficient to work with technical documentation. Strong analytical and creative problem-solving skills. Excellent communication skills and ability to work effectively in a distributed team. Nice to have Knowledge of scripting/frontend technologies such as JavaScript, React, Python. Experience working in an Azure cloud environment. Familiarity with Kubernetes and Docker. Ability to design system architecture and prepare High-Level Design (HLD) documentation. Knowledge of UML and flow diagrams.

🏢 Summary: The offer is for a Java Backend Developer role focused on building and maintaining microservices-based systems using Java and Spring technologies. The position involves developing REST APIs, working with containerized applications, and contributing to Agile delivery processes. The role centers on backend engineering, technical design, and collaboration within cross-functional teams. 🗂️ Requirements: Minimum 3+ years professional experience in backend development, Proficiency in Java 8+, Strong experience with Spring Boot and Spring technologies, Experience building microservices, Experience working with REST APIs, Knowledge of HTTPS, SFTP, REST and SOAP protocols, Understanding of microservices architecture and containerization, Experience with Kafka, Experience with Git and GitHub, Experience with Maven and Jenkins, Experience with MySQL and SQL databases, Familiarity with Linux, Experience working in Agile/Scrum environments 📃 Skills: Java, Spring, SpringBoot, REST, Microservices, Kafka, HTTPS, SFTP, SOAP, Linux, Git, GitHub, Maven, Jenkins, Jira, MySQL, SQL, Containerization, Agile 🏢 Description: Job Description: We are looking for skilled Java Backend Developers with strong experience in Java, Spring technologies, and microservices architecture. The ideal candidate will have hands-on expertise in backend development, REST APIs, containerized applications, and Agile delivery environments. Qualifications: Minimum 3+ years of relevant professional experience Proficiency in Java 8+, REST APIs, Spring Boot, and Spring technologies Experience in building microservices and working with Kafka Solid understanding of HTTPS, SFTP, REST API, and SOAP protocols Familiarity with Linux operating systems Strong understanding of microservices architecture and containerization Knowledge of Agile frameworks and principles Experience with Git/GitHub, GitHub Actions, Maven, Jenkins, and Jira Competence with MySQL and SQL databases Strong analytical and problem-solving skills Excellent written and verbal communication skills Ability to collaborate effectively with Product, QA, DevOps, and Agile/Scrum teams Mandatory Skills: Java (Spring) REST APIs Spring Boot and Spring Technologies HTTPS, SFTP, REST API, and SOAP protocols Microservices architecture and containerization Git/GitHub, GitHub Actions, Maven, Jenkins, Jira MySQL and SQL databases Desired Skills: Strong analytical and troubleshooting abilities Excellent communication skills Team collaboration experience within Agile/Scrum environments Roles & Responsibilities: Contribute to technical design and engineering activities Develop strong domain expertise within the project Analyse functional and technical requirements Support architecture and design discussions Collaborate with Architecture and Business teams Participate in development, design, code reviews, and implementation Follow engineering best practices and support continuous improvement initiatives Out of Scope: Creating product requirements Acting as Scrum Master or Product Owner Project Details: Primary focus is on Java backend development.

🏢 Summary: Backend Developer role focused on designing and building scalable, cloud-based applications using Java and Spring Boot in a microservices architecture. The position involves developing and deploying distributed, event-driven services on Azure using modern containerization and API technologies. The offer emphasizes building reliable, high-quality backend systems with up-to-date cloud-native practices. 🗂️ Requirements: Strong Java development experience, Experience with Spring Boot, Experience with microservices architecture, Experience with cloud-native applications, Familiarity with Azure, Knowledge of Kafka or similar messaging systems, Understanding of GraphQL or REST APIs, Experience with Docker, Experience with Kubernetes 📃 Skills: Java, Spring, SpringBoot, Microservices, Azure, Kafka, GraphQL, REST, Docker, Kubernetes 🏢 Description: We are seeking a talented Backend Developer to join our team, contributing to the design and development of modern, cloud-based applications. The role focuses on building scalable and maintainable services using up-to-date technologies and best practices. Key Responsibilities: Develop and maintain backend services using Java and Spring Boot . Build and support microservices solutions for distributed systems. Work with cloud platforms such as Azure , including event-driven architectures. Implement and consume APIs using GraphQL or REST. Package and deploy applications using Docker and Kubernetes . Collaborate with team members to deliver reliable, high-quality software. Required Skills & Experience: Strong background in Java development with Spring Boot . Experience with microservices and cloud-native applications. Familiarity with Azure , Kafka , or similar messaging/event systems. Understanding of API design ( GraphQL /REST). Practical experience with containerization ( Docker , Kubernetes ). Nice to Have: Knowledge of CI/CD practices and automated deployments. Experience with monitoring, logging, or observability in distributed systems.

🏢 Summary: Senior Java Developer role in an agile, international team focused on designing and building cloud-based backend and fullstack solutions. The position involves architecting scalable systems, ensuring high code quality, and contributing to CI/CD and DevOps practices. The role also includes technical leadership and collaboration with cross-functional teams to deliver secure, high-performance applications. 🗂️ Requirements: Expert knowledge of Java for backend and fullstack development, Experience architecting cloud-based SaaS solutions, Proficiency in automated testing and CI/CD pipelines, Experience with version control systems, Ability to deliver secure and scalable code, Bachelor’s degree in Computer Science, Engineering or related field with 5+ years of experience OR 9+ years of relevant industry experience 📃 Skills: Java, SaaS, CI/CD, Git, AWS, GCP, Azure, Docker, Kubernetes, TypeScript, Python 🏢 Description: About the Role: We are looking for a Senior Java Developer to join an agile, international engineering team working on cloud-based solutions serving diverse industries. As a technical leader, you will design, build, and maintain robust backend and fullstack systems, impacting both product performance and business outcomes. Must Have Expert knowledge of Java (backend/fullstack web development) Experience architecting cloud-based solutions (SaaS platforms or similar) Proficiency in automated testing, deployment pipelines, version control, and CI/CD practices Strong command of English for daily teamwork in multicultural environments Demonstrated ability to deliver secure, scalable, high-quality code Bachelor’s degree in Computer Science, Engineering, or related field with 5+ years of professional experience, OR 9+ years’ relevant industry experience (without degree) Nice to Have Exposure to other technologies (TypeScript, Python, etc.) Experience working with multiple data models and integrating acquired codebases Previous engagement in Agile/Scrum teams (sprint planning, retrospectives, hackathons) Background in industries like energy, IoT, finance, or regulated environments Familiarity with modern cloud platforms (AWS, GCP, Azure) and DevOps practices (Docker, Kubernetes) Your Profile Tech Enthusiast: Keen to learn and apply emerging technologies and best practices Analytical Thinker: Able to define requirements and design effective solutions to complex challenges Product Mindset: Understands how technical decisions influence user experience and business drivers Team Player: Works well in autonomous, distributed teams and supports collaborative engineering culture Key Responsibilities Design and develop Java-based backend and fullstack features for cloud-based applications Contribute to scalable, unified system architectures and help integrate diverse platforms and technologies Write and maintain high-performance, secure code and automated tests to ensure product quality Participate in sprint planning, code reviews, retrospectives, and technical discussions Work closely with product managers and business stakeholders to align technical development with commercial goals Mentor junior engineers and promote continuous improvement in team processes Ready for your next challenge? Send your CV detailing your experience in Java, cloud technologies, and agile teams. Tell us about your approach to system architecture and cross-team collaboration!

🏢 Summary: Backend Software Engineer focused on digital transformation, responsible for modernizing legacy monolithic systems into cloud-native microservices architectures. The role involves building event-driven solutions, high-performance REST APIs, and managing containerized workloads on AWS/GCP with strong emphasis on code quality and end-to-end ownership. Predominantly remote position contributing to a large-scale digital agenda in a fast-paced environment. 🗂️ Requirements: 5+ years professional software development experience, Proven experience with distributed systems, Strong proficiency in Java, Strong proficiency in Spring Boot and Spring Data, Experience with Docker and Kubernetes, Experience with AWS or GCP, Experience implementing event-driven architectures with Apache Kafka, Experience designing and developing RESTful APIs using OpenAPI/Swagger, Fluent English, Fluent Spanish 📃 Skills: Java, Spring, SpringBoot, SpringData, Docker, Kubernetes, AWS, GCP, Kafka, REST, OpenAPI, Swagger, CI/CD, Microservices 🏢 Description: We are seeking a highly skilled Backend Software Engineer with a focus on Digital Transformation . The ideal candidate will have extensive experience in modernizing legacy systems and a strong background in developing microservices architectures. Proven expertise in API development, cloud platforms, and containerized environments is crucial for this role. The individual will play a key role in driving innovative solutions while upholding the highest standards of code quality and delivery. Key Responsibilities Modernization: Drive the transition from legacy monolithic architectures to modular, microservice-based systems. Event-Driven Architecture: Design and implement robust streaming pipelines and messaging solutions (Apache Kafka) to handle high-volume, real-time data. API-First Engineering: Develop and maintain high-performance RESTful APIs, adhering to OpenAPI/Swagger standards. Cloud-Native Delivery: Manage containerized workloads on cloud platforms (AWS/GCP) using Kubernetes, with a focus on CI/CD automation. Code Quality: Uphold engineering excellence through comprehensive unit/integration testing, pair programming, and rigorous architectural design reviews. Ownership: Take end-to-end responsibility for features from initial design to production deployment and observability. Key Requirements 5+ years in professional software development with a proven track record in distributed systems. Deep proficiency in Java and the Spring ecosystem (Spring Boot, Spring Data). Solid experience with containerization (Docker, Kubernetes) and cloud platforms (AWS, GCP). Proven ability to implement event-driven solutions using tools like Apache Kafka. Analytical problem-solver, comfortable navigating ambiguity, and passionate about continuous improvement/Clean Code. Fluent in English and Spanish, with the ability to bridge technical and business requirements. Nice to Have Experience with DevOps practices and CI/CD tools. Familiarity with Agile methodologies. Understanding of cloud security best practices. Other Details This position is focused on contributing to a transformative digital agenda, predominantly remote, with opportunities for collaboration across various teams. Ideal candidates will exhibit flexibility and readiness to adapt to new challenges in a fast-paced environment.

🏢 Summary: The offer is for an experienced Java Developer to design, build, and maintain scalable backend systems and microservices. The role involves developing RESTful APIs, integrating with cloud services, and working with databases in a collaborative environment. The position is available fully remote or on-site in Warsaw or Gdańsk. 🗂️ Requirements: Minimum 4 years of commercial experience with Java, Strong knowledge of Spring and Spring Boot, Experience with cloud platforms (AWS, Azure, GCP or similar), Solid experience with relational or non-relational databases, Experience with RESTful API design, Experience with Git, Experience with CI/CD pipelines, Understanding of software development best practices 📃 Skills: Java, Spring, SpringBoot, AWS, Azure, GCP, PostgreSQL, MySQL, Oracle, MongoDB, Git, CI/CD, REST, Microservices 🏢 Description: About the Role We are looking for an experienced Java Developer. If you have at least 4 years of commercial experience in Java development, solid knowledge of databases, and hands-on experience with any cloud platform – we would love to hear from you. This position is available as fully remote or 100% on-site in Warsaw or Gdańsk . Responsibilities Designing, developing, and maintaining scalable backend systems using Java Building and optimizing RESTful APIs and microservices Collaborating with cross-functional teams (QA, DevOps, Product Owners, Frontend Developers) Writing clean, maintainable, and testable code Participating in code reviews and technical discussions Integrating applications with cloud-based services Working with relational and/or non-relational databases Troubleshooting, debugging, and performance optimization Contributing to architectural decisions and technical improvements Requirements Minimum 4 years of commercial experience with Java Strong knowledge of Spring / Spring Boot Experience with any cloud platform (e.g., AWS, Azure, GCP or other) Solid experience with databases (e.g., PostgreSQL, MySQL, Oracle, MongoDB, etc.) Good understanding of RESTful API design Experience with Git and CI/CD pipelines Good knowledge of software development best practices Very good command of English (min. B2+ level)

🏢 Summary: Senior Java Developer role focused on building and modernizing media applications for European and US markets, using modern Java and cloud-based microservices architectures. The position involves developing scalable backend services, integrating AI-assisted tools, and working with CI/CD and cloud platforms. The role requires strong technical expertise and flexibility to collaborate across time zones. 🗂️ Requirements: Minimum 5 years of experience as Java Developer, Experience with Java 17–25, Experience with Gradle, Experience with Spring Boot 3.x–4.x, Experience with Spring Data JPA and PostgreSQL, Experience with Liquibase, Experience with Apache Kafka, Experience with REST API design, Experience with JUnit 5, Experience with Git and Jenkins (CI/CD), Experience with GCP or AWS, Knowledge of microservices integration patterns, Very good English (min. B2), Availability to work 12:00–20:00 (Polish time) 📃 Skills: Java, Gradle, SpringBoot, SpringDataJPA, PostgreSQL, Liquibase, Kafka, REST, JUnit, Git, Jenkins, GCP, AWS, Microservices, Micrometer, NewRelic, Docker, Kubernetes, GraphQL, VertexAI, Gemini, Copilot, Claude, Cursor 🏢 Description: Our client is a leader in the media industry from the USA. We are looking for a specialist who will develop modern applications, adapting them to the requirements of various markets, such as European and American. Our expectations Min. 5 years of experience as Java developer Experience with and good knowledge of: Java 17 - 25, Gradle Spring Boot 3.x - 4.x Spring Data JPA + PostgreSQL Liquibase (schema migrations) Apache Kafka REST API design (incl. Spring Data REST / HAL conventions) Unit 5 Git + Jenkins (CI/CD) AI-assisted development — Claude Code, Cursor, or GitHub Copilot Cloud platform experience GCP/AWS Microservices integration patterns A growth mindset paired with a passion for programming Critical thinking, along with an understanding of the business context and its impact on technical solutions Very good command of English, min. B2 level Flexibility to work shift hours matching US time zones (12:00 – 20:00 Polish time) Welcome Skills Experience with and good knowledge of: Observability: Micrometer, New Relic Docker / docker-compose (local environment) K8s GraphQL Cloud AI services - using managed LLMs (GCP Vertex AI / Gemini) for automated data and media processing Flexibility for hybrid work in the future, if needed, would be considered a major advantage

🏢 Summary: Senior Java Developer role focused on designing and building microservices-based backend systems in a cloud environment. The position involves developing modern Java applications, supporting containerization and deployments, and collaborating within Agile teams. Work model: 3 days onsite and 2 days remote. 🗂️ Requirements: Minimum 5 years of professional Java development experience, Strong proficiency in modern Java (records, pattern matching, virtual threads), Experience designing and developing microservices-based applications, Hands-on experience with Docker and containerized applications, Experience with relational databases (PostgreSQL or Microsoft SQL Server), Knowledge of Kubernetes or other container orchestration tools, Experience with AWS or Google Cloud Platform, Experience with Swagger or OpenAPI, Understanding of SDLC and Agile methodologies, Ability to write clean, maintainable, testable code 📃 Skills: Java, Microservices, Docker, Kubernetes, AWS, GCP, PostgreSQL, SQLServer, Swagger, OpenAPI, Agile, SDLC 🏢 Description: As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for: Senior Java Developer (Microservices/Cloud) Work 3 days a week from the office + 2 days remotely Responsibilities: Design, develop, and maintain backend services using modern Java technologies Contribute to the development of microservice-based architectures Write clean, maintainable, and testable code following best engineering practices Collaborate with cross-functional teams in an Agile development environment Participate in code reviews, technical discussions, and continuous improvement initiatives Support containerization and deployment processes using Docker Work with relational databases to design and optimize data structures and queries Requirements: At least 5 years of professional experience in Java development Strong proficiency in modern Java, including features such as records, pattern matching, and virtual threads Experience in designing and developing microservices-based applications Hands-on experience with Docker and containerized applications Experience with relational databases such as PostgreSQL or Microsoft SQL Server Knowledge of Kubernetes or other container orchestration tools Exposure to cloud platforms such as AWS or Google Cloud Platform Experience with API documentation tools such as Swagger or OpenAPI Strong understanding of the software development lifecycle (SDLC) and Agile methodologies Ability to write clean, maintainable, and testable code Very good command of English (oral and written) Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program