SIGMA SOFTWARE SENIOR JAVA DEVELOPER (ADTECH)

Company Description We are seeking a talented and experienced Senior Java Engineer to join our dynamic team in the Advertising and Media domain.
If you're highly motivated and eager to work on cutting-edge technology, this role offers a fantastic opportunity to make a significant impact.
Why Join Us?  Opportunity to work on a project from scratch  Be part of a new, growing team  Freedom to make decisions and shape the project’s direction  Engage in architecture review alongside the Team Lead  If you are excited by technology and enjoy solving complex problems with elegant solutions, we would love to hear from you! Join us and be part of a team that values innovation and creativity.
PROJECT As a Java Engineer, you will be involved in developing a low-latency, high-load, cloud-native application in the AdTech domain.
Our approach empowers teams with the autonomy to solve business problems using the most effective tools and methods.
We value simplicity, beauty, and cost-effectiveness in our solutions.
Job Description Implement software components based on provided design specifications using your primary tech stack  Ensure the quality, maintainability, and adherence of software to best practices  Produce clean, efficient, and well-documented code  Participate in requirements clarification sessions and gather inputs for assigned tasks  Proactively review your own code with peers to maintain high standards  Take part in estimation and planning sessions  Provide supervision, advice, and coaching for Junior team members, ensuring task delivery through guidance and peer reviews  Develop technical project documentation and user guides  Actively participate in project and team meetings, contributing relevant information and insights  Qualifications At least 4+ years of experience working with Java  Strong understanding of concurrency, multithreading, and performance optimization  Experience with CI/CD tools and collaboration platforms like GitHub  Deep understanding of software development principles, methodologies, design patterns, and best practices  Proficiency in at least one modern build tool (Maven, Gradle, sbt)  Experience with Spring Boot  Familiarity with IO, network IO, and serialization  Experience with at least one RDBMS (e.
., Oracle, Postgres, MySQL, SQL Server)  Experience with AWS (at least at a user level)  Proficiency in unit and module testing  Familiarity with tools such as Git, IDEs, etc.
At least an Upper-Intermediate level of English    WOULD BE A PLUS  Experience building high-load, concurrent, low-latency applications  Knowledge of Java 21 Virtual Threads and structural concurrency  Experience working with UNIX systems  Familiarity with Docker/Kubernetes  Experience in the AdTech domain, particularly with Bidder development  Prior experience with Kotlin or Scala  Experience with data frameworks (e.
., Spark, Flink, Hadoop) or data stores (e.
., Hive, Redshift, Presto, Snowflake)  Additional Information PERSONAL PROFILE Excellent problem-solving skills and attention to detail  Strong communication skills, with the ability to collaborate effectively in a team environment  Proven ability to deliver results in a fast-paced environment