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Urgent! Senior Java Engineer Position in Kraków - Devire

Senior Java Engineer



Job description

Your future company

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

  • Requirements


  • 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).

  • Responsibilities


  • 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.

  • The offer


  • 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

  • Required Skill Profession

    Computer Occupations



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