Senior Java Developer

Posted 2024-11-19

📍 Lithuania, Serbia, Kazakhstan, Armenia, Georgia

🧭 Full-Time

🔍 Logistics Service Provider

🏢 Company: Greenscreens.ai

5+ years of professional Java development experience.
Proficient in the Spring Boot ecosystem for building microservices.
Solid understanding of microservices architecture and distributed systems patterns.
Strong proficiency in SQL and relational databases, preferably PostgreSQL.
Understanding of REST architecture and API development.
Experience with Git and familiarity with CI/CD practices.
Knowledge of monitoring and logging tools like Prometheus, Grafana, and the ELK stack.
Strong skills in writing unit and integration tests.
Experience with Docker and Kubernetes.
Experience with AWS or similar cloud services.
Proficiency in both English and Russian.
Experience with message brokers and familiarity with NoSQL databases.
Knowledge of agile software development methodologies.
Soft skills: strong problem-solving, excellent communication, teamwork, initiative, and eagerness to learn.

Design, build, and maintain efficient, reusable, and reliable Java code.
Develop and maintain Java-based applications and services.
Participate in the full software development lifecycle, including design, coding, testing, and deployment.
Optimize application performance and scalability.
Collaborate with team members, including front-end developers and cross-functional teams, to define and implement new features and integrate user-facing elements with server-side logic.
Write unit and integration tests to ensure code quality.
Troubleshoot and resolve software defects and issues.
Identify and resolve bottlenecks and bugs in existing systems.
Contribute to the design of application and database architecture.
Stay updated with emerging technologies and best practices.
Participate in code reviews and mentor junior developers to enhance team capabilities.

AWSDockerPostgreSQLSoftware DevelopmentSQLAgileElasticSearchGitJavaKafkaKibanaKubernetesMongoDBRabbitmqSpringSpring BootCassandraClickhouseElasticsearchGrafanaPrometheusRedisCI/CDMicroservices

Posted 2024-11-19

Posted 2024-11-14

📍 Poland

🧭 Contract

🔍 IT services, financial industry

7+ years of experience as a Java Developer.
Advanced knowledge of Java 8/17.
Experience or knowledge of Apache Kafka.
Proficiency in working with large Spring, Hibernate, and Maven applications.
Good understanding of microservices.
Strong SQL database skills.
Experience in building APIs.
Proficiency in using GIT and Maven.
A proactive attitude with a willingness to learn.
Excellent communication skills in English.

Designing and developing applications that support financial processes, including payment management and transactions.
Implementing new features and integrating systems with microservices for enhanced application flexibility and efficiency.
Testing, debugging, and optimizing applications.
Creating technical documentation to support team processes and ensure compliance with industry standards.

SQLGitHibernateJavaKafkaSpringApache KafkaMavenCommunication SkillsDocumentationMicroservicesCompliance

Posted 2024-11-14

Posted 2024-11-13

📍 Poland

🧭 Contract

🔍 IT services, financial industry

7+ years of experience as a Java Developer.
Advanced knowledge of Java 8/21.
Experience with or knowledge of Apache Kafka.
Proficiency in working with large Spring, Hibernate, and Maven applications.
Good understanding of microservices.
Strong SQL database skills.
Experience in building APIs.
Proficiency in using GIT and Maven.
A proactive attitude with a willingness to learn new things.
Excellent communication skills in English.
Nice to have experience in Spock Framework, Docker, Kubernetes, and AWS.
Preferably have worked in the financial industry.

Designing and developing applications that support financial processes, including payment management and transactions.
Implementing new features and integrating the system with microservices to enhance application flexibility and efficiency.
Testing, debugging, and optimizing applications.
Creating technical documentation that supports team processes and ensures compliance with industry standards.

SQLGitHibernateJavaKafkaSpringApache KafkaMavenCommunication SkillsDocumentationMicroservicesCompliance

Posted 2024-11-13

Posted 2024-11-13

📍 Poland

🧭 Contract

🔍 IT services

7+ years of experience as a Java Developer.
Advanced knowledge of Java 8/21.
Experience with or knowledge of Apache Kafka.
Proficiency in working with large Spring, Hibernate, and Maven applications.
Good understanding of microservices.
Strong SQL database skills.
Experience in building APIs.
Proficiency in using GIT and Maven.
A proactive attitude and willingness to learn new things.
Excellent communication skills in English.

Designing and developing applications that support financial processes.
Implementing new features and integrating the system with microservices.
Testing, debugging, and optimizing applications.
Creating technical documentation to support team processes and comply with industry standards.

SQLGitHibernateJavaKafkaSpringApache KafkaMavenCommunication SkillsDocumentationMicroservicesCompliance

Posted 2024-11-13

Posted 2024-11-08

📍 Poland

🧭 Contract

🔍 IT services, financial industry

7+ years of experience as a Java Developer.
Advanced knowledge of Java 8/17.
Experience with or knowledge of Apache Kafka.
Proficiency in working with large Spring, Hibernate, and Maven applications.
Good understanding of microservices.
Strong SQL database skills.
Experience in building APIs.
Proficiency in using GIT and Maven.
A proactive attitude with a willingness to learn new things.
Excellent communication skills in English.
Nice to have: Experience in Spock Framework, Docker, Kubernetes, and AWS.
Preferably have worked in the financial industry.

Designing and developing applications that support financial processes, including payment management and transactions.
Implementing new features and integrating with microservices to enhance application flexibility and efficiency.
Testing, debugging, and optimizing applications.
Creating technical documentation to support team processes and ensure compliance with industry standards.

SQLGitHibernateJavaKafkaSpringApache KafkaMavenCommunication Skills

Posted 2024-11-08

Posted 2024-11-07

📍 Ukraine

🔍 Fintech

🏢 Company: Intellectsoft

5+ years of experience developing Java applications.
Expertise in frameworks like Spring Boot.
Strong background in designing, developing, and deploying microservices-based applications.
Proficiency with SQL databases, particularly PostgreSQL, and experience with data modeling.
Experience building RESTful APIs and messaging systems such as RabbitMQ, and gRPC.
Familiarity with containerization and orchestration tools including Docker and Kubernetes.
Knowledge of security protocols and best practices in fintech applications.
Experience with CI/CD pipelines and automated deployment processes.
Strong problem-solving and analytical skills.
Excellent communication skills, both written and verbal.

Support the design and implementation of fintech applications within an agile team.
Work in a team to design, develop, and maintain microservices-based applications.
Participate in code reviews and design reviews for performance, security, and scalability.
Develop RESTful APIs, work with messaging systems like RabbitMQ, and create gRPC interfaces.
Conduct unit testing, integration testing, and adhere to test-driven development principles.
Contribute to CI/CD processes, including Docker, Kubernetes, and container orchestration.
Troubleshoot complex technical issues and provide solutions.
Engage in technical discussions with cross-functional teams.

RESTful APIsMicroservices

Posted 2024-11-07

🔥 Senior Java Developer (worldwide remote, work anywhere)

Posted 2024-11-07

📍 Bulgaria, Georgia, Serbia, Poland

🧭 Full-Time

🔍 Linux security and open-source software

🏢 Company: Cloudlinux

5+ years in software development.
Proficient in Java Core and the Spring framework.
Experience with NoSQL databases and PostgreSQL.
Experience with Gitlab as CI/CD.
Experience with repository management systems such as Nexus will be a plus.

Your role will involve enhancing the security of Java and delving deep into its inner workings.
You'll be tasked with conducting research and running experiments to expedite the assembly of Java packages.
You will investigate vulnerabilities in Java and Java libraries, focusing on the most popular end-of-life versions.
Your responsibilities will also include improving automation processes that construct the dependency tree and automatically rebuilding projects.

PostgreSQLSoftware DevelopmentJavaSpringNosqlCI/CD

Posted 2024-11-07

Posted 2024-11-07

📍 Serbia

🧭 Full-Time

🔍 Bioinformatics, life sciences

🏢 Company: Genestack Ltd

6+ years of experience in software engineering.
Excellent knowledge of computer science, OOP, data structures, and algorithms.
Experience with data storage solutions, including RDBMS, columnar DBs like ClickHouse, and NoSQL.
Strong Java/Kotlin skills.
Deep knowledge of Spring framework.
Experience in code optimization, profiling, and testing.
Passion for refactoring and managing technical debt.
Interest in working within life sciences.
Excellent soft skills, including communication and cooperation.
Fluent in English.

Maintain and evolve system core, API, and related components.
Optimize data storages and backend components to meet challenging requirements on throughput and response time, focusing on scalability.
Propose, explain, and implement architectural solutions in close collaboration with other engineers.

AgileJavaKotlinSpringAlgorithmsClickhouseData StructuresRDBMSNosqlCollaboration

Posted 2024-11-07

Posted 2024-10-23

📍 Greece

🧭 Full-Time

🔍 Software, Information, and Communication Technologies

🏢 Company: EUROPEAN DYNAMICS

Bachelor’s Degree in Computer Science or relevant field.
3+ years of professional experience in the Software field.
Good knowledge of Java and Object Oriented design principles.
Knowledge of Spring and/or Spring Boot frameworks.
Experience with Java build automation tools (Maven) and version control systems (Git).
Knowledge of Relational Database development (MySQL and/or Oracle DB).
Excellent verbal and written English skills.

Designing, developing, testing, and supporting complex Java web-based applications.
Refactoring existing applications to use cloud microservices technologies.
Collaborating passionately with colleagues and participating in the team organization.
Contributing to continuous improvement and adhering to high professional standards.

AWSDockerAgileGitJavaKafkaKubernetesMySQLOracleSpringSpring BootAngularMavenCommunication Skills

Posted 2024-10-23

Posted 2024-10-21

📍 Greece

🔍 IT consulting

🏢 Company: InventYOU AB

5+ years of experience in Java development with a strong command of Java 11+.
Proficiency in SpringBoot and MVC architecture.
Hands-on experience with microservices architecture and RESTful API development.
Strong knowledge of SQL Server, with the ability to design and optimize databases.
Experience with front-end development using JavaScript frameworks like jQuery.js, Vue.js, React, or Angular.
Proficiency in containerization technologies, specifically Docker and Kubernetes.
Familiarity with CI/CD platforms, particularly TFS, and experience setting up and managing pipelines.
Experience with code quality tools like SonarQube and Artifactory.
Familiarity with SCRUM and Agile methodologies, with experience in iterative development cycles.

Contribute to the improvement of the development and build process.
Design and develop production-grade, enterprise-level systems utilizing messaging and microservices.
Participate in Java implementation of applications and microservices with integration to search engines.
Write backend code that is reliable, fast, scalable, and secure.
Implement OAUTH authentication mechanisms and create validation mechanisms through unit and integration tests.
Assist with deployment and configuration of the system and setup CI/CD pipelines.
Follow Scrum procedures and disciplines, providing work estimates when requested.
Produce technical documentation emphasizing secure coding practices and logging features.
Utilize Git, adhering to the pull request procedure, and ensure the writing of clean, secure, and high-quality code.

Agile methodologies

Posted 2024-10-21