java developer, warszawa

warszawa, mazowieckie
job type
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job details

warszawa, mazowieckie
experience level
powyżej 24 miesięcy

job type
job category
Information Technology
contract type
working time
pełen etat
work system


sebastian kuryło+48 501331243
reference number
/67/08/2019/PK - 59939

job description

For our Client we are looking for Java Developer.

Client is the leading global interconnection platform, accelerating business performance by connecting companies to their customers and partners inside the world’s most networked data centers. More than 4,500 of the world’s most demanding customers trust us to provide a place where they can run their mission-critical applications and grow their businesses. Our dream is to interconnect the world – and create a historically significant company in the process.

what we offer

  • contract of employment (B2B)
  • office in Warsaw City
  • attractive salary

your tasks

  • Hands-on design and development for customer facing applications that require high availability, concurrency, multi-tenancy, high scalability for a large global user base
  • Work as API and backend engineer on different layers of the product. Build new features using TDD (Test driven development) and Domain driven design in DevOps environment with continuous integration, regression and deployment, while maintaining the existing system and code base.
  • Ensure feature quality by extensive testing covering different aspects such as unit, integration, functional, performance and regression with a focus towards automation
  • Responsible for development to deployment including troubleshooting and production fixes
  • Fine-tune system at different layers for optimal performance at scale; use system profiling tools and stress testing to find and fix weak spots

what we expect

  • Minimum 4+ Years of experience in JAVA services and API design and development.
  • Self-motivated and pro-active with demonstrated problem solving and critical thinking skills.
  • Expertise in enterprise Java technology eco-system including Play, Spring Boot, JPA/Spring Data, maven, JUnit.
  • Expertise on messaging frameworks such as RabbitMQ or Kafka.
  • Experience with micro-services architecture, Docker eco-system and API first approach with hands-on expertise in developing rest APIs supporting multiple versions
  • Experience with relational databases, data modeling and SQL optimization
  • Knowledge of different caching strategies, performance tuning, transaction management across systems and messaging systems
  • Should have good knowledge of Agile/Scrum, continuous integration and deployment
  • Working Knowledge of NO-SQL technologies like Cassandra, MongoDB is a big plus
  • Hands-on experience in server side JS technologies such as nodeJS is a big plus.

Employment Agency - registry number 47