Middle/Senior Java Developer (Java/Big Data Unit)

  • Remote (Ukraine only)
  • Java

Are you a Java professional who is thrilled about designing the right architecture for a new client and kicking it off at full scale in production? Are you good at putting a strong team together and leading it towards a project’s success? Are you keen on sharing your knowledge and educating people around you?

If yes, then you are very likely to enjoy this role!


You will be a part of Java/Big Data Unit at Sigma Software. In the unit, we have a bunch of different projects from all over the world starting with start-ups and up to large famous companies. We deal with various projects in Java and Big Data direction and have a lot of R&D works.

The main focus for Java Unit is on helping our client develop efficient business, provide best TEX practice.

Meet your team!
  • Responsibilities

    • Play a lead/supervision role for existing Java projects in various domains, designing and building large-scale systems
    • Be a leader and driver of Java Competence Center
    • Participate in consulting projects, such as technology audits
    • Engage new clients, run discovery phases, support sales activities
    • Share technical knowledge with team mates and customers
    • Get involved into projects with the possibility to learn new technologies and accumulate best practices
    • Design, implement, test Java applications from scratch
    • Review and optimize existing solutions
  • Requirements

    • Solid understanding of the software development process
    • At least 4 years of experience in commercial software development
    • Solid knowledge of Java programming language
    • Strong knowledge of the mainstream frameworks and libraries
    • Deep understanding of various architecture styles
    • Strong understanding of different programming language paradigms: procedural, OO, functional, declarative
    • A nuanced understanding of various estimation techniques
    • Strong understanding of developer testing approaches
    • Solid understanding of data storages both SQL and non-SQL
    • Broad understanding of security concepts
    • Upper-Intermediate level of English

    Would be a plus:

    • Experience in front-end development using mainstream frameworks and libraries
    • Experience in programming using non-OO language