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Grafton Recruitment

Back End Developer Java

Grafton Recruitment
Romania · Full-time · Mid-Senior

The Role

We are looking for a Senior Computer Scientist who will be responsible for the design, development, testing, troubleshooting, measurement, optimization, and improvement of software, new products, and code libraries across platforms.


Duration: 1 year


Primary Responsibilities:

  • Partners with multi-functional experts (Product Management, Design, etc.) to determine customer focused solutions.
  • Uses standard methodologies, articulates ideas, & markets them across team and organization. Promotes a culture of continuous learning.
  • Leads application/framework/service design efforts, optimizing for quality, testability, and scale.
  • Uses appropriate & meaningful programming languages and technologies, writes code, tests & deploys to meet business requirements.
  • Be a technical leader with the ability and desire to mentor other members of the team.
  • Prototype new approaches and production solutions at scale.
  • Work with Data Scientists to implement strategies for cleaning and preparing data for analysis, to develop data imputation algorithms, and optimize performance of data retrieval and machine learning systems.


What you will need to succeed:

  • B.S. in Computer Science or equivalent engineering degree
  • 5+ years of experience crafting and developing web or software applications
  • Proven expertise in Scala (preferred) or Java, OOP Principals and Design Patterns
  • Proven expertise in crafting and developing scalable and resilient applications
  • Unending curiosity, thoroughness, tenacity and focus on quickly crafting and building complex software systems with great quality to solve customer problems
  • Have a good sense of organization to set expectations and keep deliverables on a timeline, with the ability to document, communicate and justify all technology decisions and directions.
  • Clarity around AI tools, agentic eco-system and Python
  • Experience in following web technologies: J2EE, XML, AWS Technologies, Web Services, REST, JSON, Casandra, MySQL, Spring Boot, Junit, TestNG, Spring, Docker, GraphQL
  • Familiarity with monitoring systems like New Relic, Prometheus, Splunk, Grafana etc is a plus
  • Experience with Kafka, NoSQL is a plus
  • Experience with Git, CI/CD pipeline is a plus
  • Familiarity with Big Data stacks like Hadoop, Spark and Yarn is a plus

Key Skills

Ranked by relevance

machine learning spring boot prometheus ai tools big data grafana docker splunk testng hadoop scala nosql mysql kafka junit spark java j2ee yarn cicd git aws xml oop ai
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Posted
Jan 20, 2026
Type
Full-time
Level
Mid-Senior
Location
Bucharest Metropolitan Area
Company
Grafton Recruitment

Industries

IT Services IT Consulting

Categories

Information Technology

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