Hire EJB Developer

• 11 years of practical experience in software development. • Excellent experience with application engineering, architecting and development. Capable of analyzing, designing complex, high loaded systems, efficient resources management and problem solving. Quick learner of new technologies. • Fluent English level.

Highly experienced backend developer with over five years of experience specializing in commercial application development with Node.js, Ruby on Rails, and front-end technologies including React.js. Holds a Master's Degree in Software Engineering from Uzhgorod National University. Proficient with a suite of databases and services such as PostgreSQL, MySQL, MongoDB, ElasticSearch, RabbitMQ and Redis, with a strong command of API integration (Stripe, PayPal, Twilio). Skilled in DevOps practices and cloud platforms like AWS, Google Cloud, and Heroku. Well-versed in multiple programming languages and frameworks, demonstrating significant technical expertise in JavaScript/TypeScript, Node.js, Nest.js, and Ruby. Successfully applied a deep understanding of software engineering principles, SDLC, and development patterns to a variety of complex projects across different domains.

- 10+ years of experience in software development, developing web and enterprise applications using Java / J2EE, Spring Boot, and Hibernate technologies. - He has developed and implemented commercial products using modern technology and supported existing value-added services (VAS) systems. Has experience in the customization of PLM /CAD systems for the needs of the enterprise. He built solutions to integrate with external systems and 3PP. Maintenance of work VAS voice products. - Location: Ukraine - Available: ASAP

Software engineer with over 10 years of experience specializing in full-stack development and DevOps. Holds a Master's degree in Computer Science from Ho Chi Minh City University of Technology. Proficient in a diverse set of programming languages, including Java, C#, and Python, with extensive knowledge of frameworks such as Spring and Angular. Demonstrated success in leading engineering teams, improving system performance, and working through the full software development cycle. Notably increased yearly revenue by $1.4M through strategic web app re-architecture and boosted ad revenue by overseeing a network managing upwards of $50K annually.

- 26+ years of experience in IT; - 20+ years experience working with Python; - 2 years experience working with Azure; - 7 years experience with React; - Experience working with Flask; - 15+ years experience working with Java; - Experience working with Kotlin, Spring; - 8+ years working with JavaScript; - Good skills with Angular, TypeScript, and Node.js; - Deep abilities working with PostgreSQL, SQL, MySQL, and MongoDB; - Good knowledge of AWS; - Experience working with Docker, Terraform; - Deep skills with C, and C++; - English: Upper-Intermediate.

- 37+ years of experience in IT. - Proficiency English

- 5+ years of experience in IT - Upper-intermediate English - Available ASAP

- 22+ years experience in the IT industry as a back-end engineer; - 22 years of experience working with Java; - 10 years of experience working with Python; - 5 years of experience working with Microsoft Azure; - 7 years of experience working with React; - Deep skills working as a full-stack developer; - Strong experience working with Oracle Database; - 2+ years of experience working with Zeebe; - Good skills with Camunda; - Good skills with Scala; - Experience working with JavaScript; - Deep abilities working with Angular; - Experience working with RabbitMQ; - 2 years of experience working in a multinational financial services company; - Good knowledge of working with Microsoft SQL Server, MySQL, Oracle Database, SQL, MongoDB; - Deep skill working with AWS (ElasticSearch, EC2, Lambda, S3, EKS); - Good abilities with Google Cloud Platform (GCP); - Proficient in using Docker, Kubernetes, and Kafka; - Fluent in English, Intermediate German, and Intermediate French.

- 17+ years experience in IT; - 8+ years experience working with Java; - 4+ years experience working with Golang; - Good knowledge of AWS; - Experience working with Docker, Kubernetes (K8s); - Good abilities with MySQL, PostgreSQL, Microsoft SQL Server, Oracle Database, MongoDB; - Good skills with C, C++, C#, JavaScript, React; - Experience working with Apache Karaf, Apache Camel, Apache CXF, Apache AMQ; - Experience working as a team leader; - Fluent in English.

- Sr. Architect with 15+ years of experience and track record of designing and implementing innovative, cost-effective, and scalable solutions for complex business challenges. - My areas of expertise include microservices, cloud solutions, Java/J2EE, data engineering/analytics, BPEL/BPMN2/camunda/webmethods, relational/NoSQL databases, DevOps automation, containerization, and orchestration. -Highly experienced Architect with expertise in designing and managing the implementation of technology programs. Proficient in various architectural frameworks and modeling techniques such as TOGAF, C4 modeling, ArchiMate, & UML. - Adept in collaborating with business stakeholders/partners to provide the solution angle on features, planning, prioritization, & agile execution. - Capable of proposing solutions, recommending buy vs. build decisions, technology options, architecture guidance & standards, and being responsible for solution Total Cost of Ownership (TCO) and stewardship. - Skilled in designing transition and target architectures for creating digital experiences through a combination of new and existing systems.

- Software Engineer with 5 years of experience in building web applications and expertise in blockchain, DeFi, NFT, and tokenization domains. - Proficient in programming languages such as Solidity, Node.js, Python, and Java. - Experienced in back-end development using technologies like Spring, Hibernate, and JDBC. - Skilled in working with blockchain technologies including Ethereum, ERC721, ERC1155, and EIP712. - Familiar with CI/CD tools like Jenkins and containerization platforms like Kubernetes and Docker. - Strong knowledge of database management systems like PostgreSQL, MySQL, and MongoDB. - Well-versed in agile methodologies like Scrum and Kanban, with a solution-oriented approach to project objectives.

- Lead Java Engineer and Architect with extensive experience designing and implementing scalable, high-loaded solutions for cloud services and secure VPN connections. - Proficient in Java (J2SE, J2EE), C#, Python, HTML, CSS, JavaScript, and Angular. - Expertise in frameworks and technologies such as Spring Boot, Spring Framework, Servlets, REST web services, JUnit, Dropwizard, and EJB3. - Skilled in building and maintaining CI/CD pipelines, deployment flows, and conducting deployments. - Proficient in working with GCP and has experience with AWS and Azure. - Experienced with databases and search technologies, including ElasticSearch, MongoDB, PostgreSQL, Derby SQL, Couchbase, and Google Cloud SQL. - Strong capability in requirements analysis, documentation creation, and customer communication. - Proven leadership in mentoring and guiding junior developers and leading development teams.