C/C++ System Engineer

🏢 Summary: The offer is for a Senior C++ Developer responsible for developing and maintaining high-performance, high-reliability C++ applications, contributing to architectural decisions, and improving code quality. The role involves working with legacy systems, implementing new functionalities, and collaborating closely with other developers in an international environment. 🗂️ Requirements: Senior-level experience in C++, Experience with high-reliability systems, Experience with high-performance systems, Strong knowledge of object-oriented programming principles, Experience working with legacy codebases, Ability to participate in architectural decisions, Experience with code reviews and team collaboration, English proficiency at B2+ level 📃 Skills: C++, OOP, CleanCode, Refactoring, PerformanceOptimization, Architecture, Git, CodeReview 🏢 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 C++ Developer Responsibilities: Development and maintenance of C++ applications Collaboration on the design and implementation of new functionalities Analysis of technical requirements and participation in architectural decisions Ensuring code quality through refactoring, stability, and performance improvements Requirements: Strong expertise in C++ at Senior level Experience working with high-reliability and high-performance systems Solid understanding of object-oriented programming principles and best practices (clean code) Experience working with and developing legacy codebases Ability to work effectively in a team environment (code reviews, collaboration with other developers) English proficiency at a minimum of B2+ level (international working environment) Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: Senior DevOps Engineer responsible for designing, implementing, and maintaining CI/CD pipelines and infrastructure automation in a hybrid work model. The role focuses on containerized environments, Kubernetes operations, and supporting development teams in delivering data-driven solutions. The position involves hands-on automation, troubleshooting, and improving deployment processes in Agile international teams. 🗂️ Requirements: Strong experience as DevOps Engineer, Hands-on experience with CI/CD pipelines, Experience with Jenkins or other automation tools, Experience with Terraform, Experience with Ansible, Strong knowledge of Linux environments, Scripting skills in Shell, Basic programming skills in Python, Basic programming skills in Groovy, Experience with Git, Experience with Kubernetes, Experience supporting development teams building data solutions, Experience working in Agile environments, Fluent English 📃 Skills: Jenkins, JobDSL, Groovy, Terraform, Ansible, Shell, Python, Docker, Kubernetes, Git, Bitbucket, Linux 🏢 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 DevOps Engineer Hybrid work model - 3x a week - Gdańsk, Gdynia, Warsaw, Łódź Responsibilities: Develop and maintain CI/CD pipelines using Jenkins (JobDSL, Groovy) Design and implement infrastructure automation using Terraform and Ansible Develop and maintain automation scripts using Shell and Python Build and maintain utilities supporting CI/CD pipelines, developers, and QA engineers Support development of container-based solutions (Docker, Kubernetes) Act as a technical contact point for DevOps-related topics with external teams Support and develop applications enabling AI adoption in the Data domain Troubleshoot and resolve deployment and runtime issues in Kubernetes environments Monitor and improve deployment processes and system stability Provide knowledge sharing and DevOps best practices through trainings, demos, and presentations Support developers and testers in automation and delivery processes Requirements: Strong experience as DevOps Engineer, with focus on CI/CD pipelines Hands‑on experience with: Jenkins (or other automation tools), Terraform and Ansible Strong knowledge of Linux environments and scripting Experience working with: Git (Bitbucket or similar) and Kubernetes (basic container orchestration) Basic programming skills in: Python and Groovy Experience supporting development teams building data solutions Experience working in Agile environments with international teams Strong communication skills and team-oriented mindset Fluent English (spoken and written) Nice to have: Experience with: Kafka, Apache Airflow, AWS, Hadoop, Apache Spark, SonarQube, PostgreSQL and Tekton Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: Senior Python Developer role focused on building and maintaining automation frameworks and test solutions using Python and Robot Framework in a CI/CD environment. The position involves developing automated scripts, executing API and regression tests, integrating with Jenkins pipelines, and optimizing workflows with AI-driven solutions. Hybrid work model with office presence in Gdańsk or Warsaw. 🗂️ Requirements: Proficiency in Python for automation and production-grade services, Experience designing automation frameworks, especially Robot Framework, Strong knowledge of CI/CD pipelines and Jenkins, Experience with Git-based workflows and DevOps practices, Solid background in SQL, Hands-on experience with Selenium, Experience with PowerBI, Ability to write Gherkin scenarios, Experience implementing AI-driven testing solutions, Experience with qTest or similar test management tools, Experience in API testing and automated regression testing 📃 Skills: Python, RobotFramework, CICD, Jenkins, DevOps, Git, SQL, Selenium, PowerBI, Gherkin, AI, qTest, API, Regression, Automation 🏢 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 Python Developer Hybrid work model - 3x per week work from the office - Gdańsk or Warsaw Responsibilities: Developing automation scripts using Robot Framework and Python Implementing automated solutions for daily data handling tasks and prepare test data Planning and executing tests, alongside analysing test results and reporting defects Running automated regression tests as part of the CI/CD process while using Jenkins Performing API testing and expand test coverage Optimizing workflows with AI tools to increase efficiency and maintainability of a solution delivered from business demand to working application Partnering with business stakeholders, data users and solution architects while anticipating and addressing business demands Requirements: Proficiency in Python for reliable, testable services and automation supporting production systems Experience in designing automation frameworks – Robot framework in particular Solid understanding of CI/CD pipelines, Jenkins, DevOps including automated build, test, and deployment using Git-based workflows Established background in SQL, Selenium, Power BI Hands-on experience in writing Gherkin scenarios Implementing AI-driven solutions to optimize testing workflows Experience with test management tools such as qTest Strong independent work ethic with superior organizational skills Very good command of English, both spoken and written Nice to have: Have exposure to data warehouse principles Have experience with database technologies Are acquainted with or willing to learn data modeling Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: Senior Java Developer role focused on designing and delivering scalable Java-based solutions across the full software development lifecycle. The position involves close collaboration with business stakeholders, integration design using REST and messaging technologies, and ensuring high-quality engineering standards. The offer includes private medical care, sports card co-financing, dedicated consultant support, and an employee referral program. 🗂️ Requirements: Strong experience developing and maintaining Java-based applications, Strong knowledge of Java 21, Spring Boot, PostgreSQL, Experience with messaging technologies (JMS, MQ), Proficiency in Spring and Hibernate frameworks, Experience with relational databases and SQL, Knowledge of OpenAPI and AsyncAPI, Experience with Git and CI/CD pipelines, Strong understanding of software design patterns and OOP principles, Experience across full SDLC (analysis, design, development, testing, deployment), Ability to translate business and regulatory requirements into technical solutions, Experience in integrations using REST APIs and event-driven architectures, Experience mentoring developers and conducting code reviews, Practical experience with AI-assisted development and automation tools, Fluent English (spoken and written) 📃 Skills: Java, Spring, SpringBoot, Hibernate, PostgreSQL, SQL, JMS, MQ, REST, OpenAPI, AsyncAPI, Git, CI/CD, OOP 🏢 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 Responsibilities: Participate in all phases of the software development lifecycle, including: Requirements analysis Architecture and solution design Development Testing Deployment Collaborate with business stakeholders and financial analysts to translate requirements into scalable and maintainable technical solutions Design and implement integrations using REST APIs, messaging technologies, and event-driven communication patterns Contribute to application quality through code reviews, technical guidance, and engineering best practices Mentor and support other developers as a technical sparring partner within the team Promote continuous improvement through the responsible use of AI-assisted development and automation Ensure application performance, maintainability, and compliance with established engineering standards Requirements: Strong experience in developing, enhancing, and maintaining Java-based applications Strong knowledge of: Java 21, Spring Boot and PostgreSQL Messaging technologies (e.g. JMS, MQ) Strong proficiency in Java frameworks, including Spring and Hibernate Experience designing and developing solutions supporting complex business processes Experience working with relational databases and SQL Knowledge of: OpenAPI and AsyncAPI Experience with version control systems (Git) and CI/CD pipelines Strong understanding of software design patterns and object-oriented programming principles Experience participating in the full software development lifecycle (SDLC): requirements analysis, solution design, development, testing and deployment Ability to translate business and regulatory requirements into technical solutions Experience collaborating with business stakeholders and analysts Experience mentoring developers, performing code reviews, and supporting solution design decisions Strong collaboration, analytical, and problem-solving skills Practical experience using AI-assisted development and automation tools to improve productivity, quality, and knowledge sharing Fluent English (spoken and written) Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: The offer is for a Java Developer responsible for designing, developing, and maintaining scalable server-side web applications and APIs. The role focuses on back-end development, database design and optimization, performance tuning, security best practices, and integration with front-end systems and third-party services. 🗂️ Requirements: Minimum 4 years of experience as Java Developer, Proficiency in Java server-side programming, Experience with relational or NoSQL databases, Experience in back-end development, Experience building scalable web applications, Knowledge of database design and optimization, Experience with version control systems, English level B2 or higher 📃 Skills: Java, MySQL, PostgreSQL, MongoDB, SQL, NoSQL, Git, API, REST 🏢 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: Java Developer Responsibilities: Designing, developing, and maintaining the server-side logic of web applications Implementing scalable and efficient server-side components and APIs Working with relational and/or NoSQL databases to store and retrieve data efficiently Designing and optimizing database schemas for performance and scalability Integrating third-party APIs and web services to enhance application functionality Developing custom APIs to facilitate communication between front-end and back-end systems Implementing security best practices to protect against common web application vulnerabilities Conducting regular security audits and implement necessary measures Optimization: optimizing server-side code for maximum speed and scalability Monitoring and troubleshooting performance issues Collaborating with front-end developers, UI/UX designers, and other team members to ensure seamless integration of components Using version control systems (e.g., Git) to manage and track changes to the codebase Conducting thorough testing of server-side components to identify and fix bugs Collaborating with QA engineers for comprehensive testing Clear and comprehensive documentation for back-end systems and APIs Requirements: At least 4 years of experience as Java Developer Proficiency in Java server-side programming Experience with database systems (e.g., MySQL, PostgreSQL, MongoDB) Proven experience in back-end development and building scalable web applications Strong analytical and problem-solving skills with attention to detail Effective communication skills to collaborate with cross-functional teams Ability to adapt to changing project requirements and technologies English at least B2 Nice to have: Familiarity with cloud platforms (e.g., AWS, Azure, GCP) Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: The offer is for a Senior Frontend Developer to design and build complex single-page applications using modern JavaScript and TypeScript technologies in a hybrid work model. The role focuses on frontend architecture, performance optimization, and integration with backend services in a cross-functional environment. 🗂️ Requirements: Strong experience with HTML, Strong experience with CSS, Strong experience with JavaScript, Strong experience with TypeScript, Experience building single-page applications, Experience with Web Components, Experience with Lit, Experience with Node.js and npm ecosystem, Experience with testing frameworks, Experience with Vitest, Experience integrating REST APIs, Experience integrating GraphQL APIs, Experience with state management, Experience optimizing frontend performance 📃 Skills: HTML, CSS, JavaScript, TypeScript, WebComponents, Lit, Node.js, npm, Vitest, REST, GraphQL, SPA, StateManagement, Performance 🏢 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 Frontend Developer Preferred location - Gdańsk, Gdynia, Warsaw. Hybrid setup required: 2 days/week in the office, 3 days per week starting September. Responsibilities: Design and implement complex, interactive user interfaces and single‑page applications using TypeScript and JavaScript Define and maintain frontend architecture, including best practices for state management and component reusability Analyze and optimize application performance, including load times and Core Web Vitals Collaborate with backend engineers, UX/UI designers, and product managers Integrate frontend applications with REST and GraphQL APIs Support delivery of product features in a cross‑functional environment Requirements: Strong experience with: HTML, CSS, JavaScript, TypeScript Hands‑on experience with: Web Components / Lit and Node.js / npm ecosystem Experience with testing frameworks, such as Vitest Nice to have: Experience with CI/CD processes Familiarity with Kafka Familiarity with NinjaFork Familiarity with message queue solutions (MQ) Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: Fullstack Java Developer role focused on building and maintaining scalable microservices and full-stack applications using Java and modern front-end technologies. The position involves integrating legacy and modern systems, working with distributed high-throughput architectures, and contributing to Agile software delivery practices. The offer includes private medical care, sports card co-financing, consultant support, and an employee referral program. 🗂️ Requirements: 5+ years of Java development experience, 2+ years of front-end development experience, Experience with Java, Experience with Spring Boot, Experience with REST APIs, Experience with Kafka, Experience with MQ, Experience with SQL, Experience with Docker, Experience with Kubernetes, Experience with microservices architecture, Experience with distributed systems, Knowledge of clean code practices, Experience with continuous integration, Experience with event-driven architecture, Experience building scalable high-throughput applications, Knowledge of Angular or React, Experience with Oracle DB, Experience with RESTful services, Experience with SOAP integrations, Experience with OSB integrations, Familiarity with Jenkins, Familiarity with Argo CD, Knowledge of XML, Knowledge of JSON, Knowledge of Avro, Experience with Kafka streaming platform, Knowledge of schema registry concepts, Experience with Git, English level B1+/B2 or higher, Experience working in Agile/Scrum 📃 Skills: Java, Spring, SpringBoot, REST, Kafka, MQ, SQL, Docker, Kubernetes, Microservices, Angular, React, Oracle, SOAP, OSB, Jenkins, ArgoCD, XML, JSON, Avro, Git, Agile, Scrum 🏢 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: Fullstack Java Developer Responsibilities: Designing and developing full-stack applications based on Java and modern front-end technologies Building and maintaining microservices using Java, Spring Boot, REST APIs, Kafka, MQ, and databases Supporting integrations between existing applications and the target Cards platform Developing translation and routing mechanisms between legacy and new systems Creating high-quality, scalable, and responsive applications Working with distributed, high-throughput systems Integrating with RESTful, SOAP, and OSB services Cooperating closely with internal and external stakeholders to deliver the best possible solutions Supporting clean code practices, continuous integration, and modern software engineering standards Working in an Agile/Scrum environment Requirements: Minimum 5 years of experience in Java software development Minimum 2 years of experience in front-end development Hands-on experience with Java, Spring Boot, REST APIs, Kafka, MQ, SQL, Docker, and Kubernetes Experience with microservices architecture and distributed systems Practical knowledge of clean code, continuous integration, and event-driven architecture patterns Experience in building scalable, high-throughput applications Knowledge of front-end technologies such as Angular or React Experience with databases, preferably Oracle DB Experience with RESTful services and SOAP/OSB integrations Familiarity with DevOps tools such as Jenkins and Argo CD Understanding of data formats and standards such as XML, JSON, and Avro Experience with Kafka streaming platform and schema registry concepts Practical knowledge of version control tools, especially Git English language skills at B1+/B2 level or higher Experience working in Agile/Scrum methodology Nice to have: Previous experience in the banking, financial services, or cards/payments domain Experience working with legacy system modernization or platform migration projects Broader understanding of event sourcing and event-driven integration patterns Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: Hybrid Data Operations Engineer role focused on configuring, maintaining, and troubleshooting data ingestion processes into Hadoop using the ARC Ingestion Framework. The position involves preparing new data sources, supporting production environments, and ensuring stable ingestion operations within an Agile setup. 🗂️ Requirements: Experience with Unix, Experience with Linux, Good knowledge of SQL, Experience with Git, Proven troubleshooting skills, Experience working in Agile environment 📃 Skills: Unix, Linux, SQL, Git, Hadoop, ARC, Jenkins, Robot, Jira, Confluence, Helix, Python, Agile, Testing 🏢 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 Data Operations Engineer Location: Gdańsk, Gdynia, Warszawa, Łódź (praca hybrydowa) Responsibilities: Ingest data into Hadoop using the ARC Ingestion Framework Prepare, configure, and test data ingestion setups for new data sources Maintain and support data sources already running in production Work with different applications and configurations related to data ingestion Troubleshoot ingestion issues and operational problems Collaborate within an Agile environment Ensure stable and reliable ingestion operations through systematic and rational problem‑solving Requirements: Experience working with Unix / Linux environments Good knowledge of SQL Experience using Git Strong analytical and rational thinking skills Proven troubleshooting skills Experience working in an Agile setup Very good command of English, both spoken and written Nice to have: Experience with Hadoop Experience with Jenkins Experience in testing Familiarity with Robot Framework Experience with Jira, Confluence, or Helix Basic knowledge of Python Offer: Private medical care Co-financing for the sports card Training & learning opportunities Constant support of dedicated consultant Employee referral program

🏢 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

🏢 Summary: The role focuses on designing, developing, and maintaining automated testing solutions for complex systems, with strong emphasis on Python and Robot Framework. The engineer will plan and execute test activities, integrate automated regression tests into CI/CD pipelines, and improve testing processes. The position combines hands-on test automation, database work, and collaboration within cross-functional teams in a hybrid work model. 🗂️ Requirements: 5+ years of professional experience in Python development, 5+ years of experience with database technologies, 5+ years of experience using Git, 3+ years of hands-on experience with Robot Framework, 3+ years of experience with CI/CD tools (e.g. Jenkins), Strong experience with Linux environments, Proficiency in Bash scripting, Experience in test planning, execution, automation, and defect management, Experience with test management tools (e.g. qTest, Zephyr), Experience with Jenkins or Bamboo, Jira, Bitbucket 📃 Skills: Python, RobotFramework, SQL, Git, Jenkins, Bamboo, Linux, Bash, CI/CD, Jira, Bitbucket, qTest, Zephyr, Docker, Kafka, IBMMQ 🏢 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 Software Development Engineer in Test 3 days in the office per week + 2 days remote work Responsibilities: Perform requirements analysis and challenge requirements when they are unclear or incomplete Prepare test scenarios and test cases Prepare and manage test data Develop and maintain test automation scripts using Robot Framework and Python Implement automated solutions supporting day‑to‑day tasks Plan and execute test activities Analyze test results and report defects Execute automated regression tests as part of CI/CD pipelines Identify and implement improvements in daily processes, tasks, and challenges Requirements: 5+ years of professional experience developing in Python 5+ years of experience working with database technologies 5+ years of experience using Git 3+ years of hands‑on experience with Robot Framework 3+ years of experience working with CI/CD tools (e.g. Jenkins) Strong practical experience with Linux environments and Bash scripting Solid experience in test planning, execution, automation, and defect management Experience with test management tools such as qTest or Zephyr Hands‑on experience with tools such as Jenkins or Bamboo, Jira, and Bitbucket Strong analytical thinking and problem‑solving skills Confidence to challenge inefficient solutions and processes, with the ability to propose improved alternatives Excellent communication skills and ability to collaborate effectively with cross‑functional teams Nice to have: Experience with Docker or other containerization technologies Knowledge of streaming and messaging systems (e.g. Kafka, IBM MQ) Working knowledge of DevOps practices and ways of working Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program