Senior Java Engineer @ Devire

Bachelor's degree in Computer Science, Engineering, or related field. 7+ years of experience as a Backend Developer (including 2+ years as Java Developer).  Proficiency in Database and SQL knowledge, including the ability to write and optimize queries for performance. Solid understanding of RESTful API design principles and microservices architecture. Engineering experience running high-load and high-uptime services in production. Familiarity with containerization and orchestration tools such as Docker, Kubernetes, and cloud-native technologies. Excellent problem-solving skills, attention to detail, and ability to work effectively in a fast-paced, collaborative environment. Strong communication skills with the ability to articulate technical concepts and collaborate with cross-functional teams. Knowledge of current trends and best practices in software development, including performance, accessibility, security, and usability. Understanding of software development lifecycles (SDLC) with a focus on Agile methodologies (preferably SCRUM). Experience with building CI/CD pipelines. Past experience with the QA processes in software development. Adaptability and willingness to learn new technologies and processes. Preferred Qualifications: Experience with other programming languages such as Golang and Python - or at least willing to learn them and work with them in the mid/long term. Knowledge of message brokers and event-driven architectures (e.g., Pub/Sub, Kafka). Understanding of security best practices and common vulnerabilities in API integrations. Experience with Cloud platforms (GCP/AWS). Familiarity with Infrastructure as Code (Terraform). API monitoring tools (e.g. NewRelic, DataDog). Devire Outsourcing IT is a form of a partnership dedicated to self-employed IT specialist, executing projects for our Clients - leading IT Companies bringing innovations and the newest resolutions to market. For our Client, who empowers travel industry to innovate and grow by providing advanced technology for real-time decisions, revenue optimization and modern e-commerce experiences, we are looking for a Senior Java Engineer. Location: 100% remote or hybrid from Cracow Salary: B2B contract via Devire, 140 - 180/h net + VAT Salary based on B2B contract (via Devire) 100% remote or hybrid from Cracow Benefits package (medical healthcare, sports membership, etc.) Possibility to cooperate with an international company with a stable market position Long-term cooperation ,[Design, develop, and maintain new product features for the Order Management System using Java (e.g. order create, order change, cancellation, payment service, etc.)., Design and optimize database structures, write efficient queries, and manage data integrity using Postgres/Google Spanner., Design, develop, and maintain new product features for the Order Management System using Golang (mid/long term, if not yet experienced with it)., Collaborate with other teams to gather requirements and define service specifications for the Order Management System., Ensure high availability, reliability, and performance of the system through effective design and implementation practices., Implement monitoring, logging, and analytics solutions to track service usage, performance metrics, and service health., Collaborate with DevOps teams to automate deployment processes, set up CI/CD pipelines, and manage infrastructure as code., Stay updated on emerging trends, best practices, and technologies in microservices architecture, and cloud-native development., Provide technical expertise in product design, development, and delivery., Provide troubleshooting and support for production issues., Maintain comprehensive documentation for the developed systems., Make accurate estimates for upcoming work, communicate technical solutions effectively, and share knowledge., Work in a product-focused scrum team to deliver against a roadmap driven by a dedicated product owner.] Requirements: Degree, Java, SQL, REST API, API, Microservices architecture, Docker, Kubernetes, Communication skills, Security, SDLC, CD pipelines, QA, Golang, Python, PUB, Kafka, Cloud platform, AWS, Infrastructure as Code, Datadog