Senior Java Engineer

We at Sigma Software are looking for a Senior Java Engineer to join an exciting project in the domain of audience segmentation and engagement. This is a remote role open to candidates from Ukraine and Europe, offering the opportunity to work with cutting-edge technologies and high-scale systems. You will be part of a team building a real-time platform that powers communications, personalization, automation, and customer engagement across diverse ecosystems. At Sigma Software, we value innovation, collaboration, and technical excellence. Why join us? You’ll work on challenging tasks, contribute to architectural decisions, and have the freedom to experiment with new technologies while improving data systems at scale. CUSTOMER: Our customer is a leading EdTech company that uses AI and data-driven technologies to personalize learning experiences, optimize user engagement, and improve marketing effectiveness through advanced audience targeting and analytics. PROJECT: The project is a real-time platform that enables product teams and business stakeholders to define and manage dynamic user groups based on user attributes, relationships, behavioral events, and historical activity.

Responsibilities

Building a real-time platform that powers communications, personalization, automation, and customer engagement across diverse ecosystems; Working on challenging tasks; Contributing to architectural decisions; Experimenting with new technologies while improving data systems at scale

Requirements

Java (expert); Distributed Systems (strong); Event-driven Architecture (strong); API Design (strong); Cloud-native Development (strong)

Benefits

Diversity of Domains & Businesses; Variety of technology; Health & Legal support; Active professional community; Continuous education and growing; Flexible schedule; Remote work; Outstanding offices (if you choose it); Sports and community activities