Java Developer – AdTech (FT)

Are you passionate about challenging tasks? Would you like to bring your ideas to the product you create? Are you really interested in improving hard skills utilizing fresh technologies and following

Are you passionate about challenging tasks? Would you like to bring your ideas to the product you create? Are you really interested in improving hard skills utilizing fresh technologies and following best practices?

If you got three “Yes”, then you caught the right opportunity. Keep reading!

We are looking for a Java Developer who is interested in AdTech industry, not afraid to solve different tasks and invent new decisions.

Our customer builds a convergent TV advertising platform that enables unified decisioning and monetization across Connected TV (CTV), set-top box video-on-demand (VOD), linear, and national addressable television. Leading media owners, programmers, and distributors leverage this product to maximize revenue and improve operational efficiency while delivering best-in-class ad experiences to their audiences.

The product allows storing, scheduling, and serving creatives contributing direct-sold campaigns. It also helps manage high-volume throughputs by setting rules for campaign objectives, track key campaign metrics to ensure maximized productivity and timeliness.


  • Deliver the project from design to testing, including new programs, enhancements, and modifications
  • Monitor the performance and test the server
  • Participate in estimation and planning sessions
  • Work closely with the Product team to deliver quality features in high-quality code and best practices
  • Contribute to development of technical project documentation and user documentation
  • Drive major architectural changes as we scale to improve our engineering velocity
  • Take ownership, drive results, teach others, and take pride in your work and the work of team

  • 3+ years of commercial experience with Java
  • Experience with:
    • Spring Framework
    • MongoDB/NoSQL and MySQL/RDS
    • HTTP clients and best practices, including Performance Tuning
    • High-concurrency applications
  • Deep knowledge of multi-threading and concurrency patterns
  • Strong understanding of Performance Monitoring and Testing (Thread Dumps, CPU and Memory Monitoring, Instrumentation)
  • Upper-Intermediate level of English

  • Familiarity with Kafka
  • Skills with distributed memory systems (AeroSpike, Redis)
  • Experience working with, or designing distributed computing systems
  • A background in AdTech industry

  • High level of self-organization
  • Strong written and verbal communication skills
  • Striving to high quality solutions
  • Flexibility and initiative

About Sigma.Software :

Sigma Software is a place where Nordic Traditions meet Ukrainian Spirit to create Superior Software. We combine the best practices and approaches from Swedish and Ukrainian cultures. Taking high demand for quality, minimal hierarchy, freedom of decision-making, and attention to every opinion from Swedes, as a Ukrainian company we demonstrate flexibility and dedication to every project and every customer. Sigma Software is among World’s Top 100 Outsourcing by IAOP. We deliver benefits to customers in banking, automotive, advertising, telecommunications, cybersecurity, gaming and gambling industry, aviation, real estate, and healthcare. Our tech specialists have advanced skills and ample resources to create large-scale solutions as well as guide startups from idea to a ready product. Sigma Software is a part of Sigma Group, one of the largest IT corporations on the Scandinavian market that employs 5,000+ people in more than 11 countries. Sigma Software unites 1,800 specialists in Ukraine, Poland, the USA, Sweden, and Canada. We work with startups, software houses, and enterprises providing the products and services that suit our clients the most. Company`s R&D centers are mastering the trending technologies and directions: Infotainment, AR/VR, Blockchain, Machine Learning, Data Science, Artificial Intelligence, and others.

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