Senior Java Developer (AdTech) – Sigma Software

Titulo da Vaga: Senior Java Developer (AdTech)

Localização: São Paulo – SP

Descrição da Vaga: Company DescriptionWe 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.g., 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.g., Spark, Flink, Hadoop) or data stores (e.g., Hive, Redshift, Presto, Snowflake)

Additional InformationPERSONAL 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

Nome da Empresa: Sigma Software

Salário:

Candidatar-se a vaga!