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Sigma Software

Global software development and IT consulting

Senior Java Developer

Backend EngineeringConfirmed live in the last 24 hours
Full-timeSão Paulo, State of São Paulo, BrazilNo salary listedRemote

About the Job

Requirements

  • At least 7 years of software development experience.
  • Strong proficiency in Java and Spring Boot.
  • Experience with Kafka or other event streaming solutions.
  • Familiarity with AWS and EKS.
  • Strong knowledge of CI/CD pipelines and related tools.
  • Hands-on experience designing and deploying scalable, highly available distributed systems.
  • Strong understanding of event-driven architectures.
  • Experience working with SQL and NoSQL databases.
  • Familiarity with cloud platforms such as AWS, Azure, or Google Cloud.
  • Advanced English proficiency (C1) or higher.

Responsibilities

  • Design, develop, and implement large-scale distributed systems capable of handling substantial data volumes.
  • Build scalable, fault-tolerant, and low-latency backend services.
  • Architect and implement APIs and event-driven solutions.
  • Diagnose and resolve complex production issues across services and infrastructure layers.
  • Develop and execute unit, API, regression, and performance tests.
  • Collaborate with cross-functional teams to ensure rapid incident resolution and system reliability.
  • Participate in architecture discussions and contribute to engineering best practices.
  • Optimize system scalability, availability, and operational performance.
  • Support continuous improvement of CI/CD and deployment processes.

About the Company

Sigma Software

Global software development and IT consulting

Sigma Software provides software development services and IT consulting to more than 170 clients worldwide. It builds large-scale software solutions and guides startups from concept to a ready product, across industries such as banking, automotive, advertising, telecommunications, cybersecurity, gaming, aviation, real estate, and healthcare. The company works by deploying teams of skilled engineers and consultants, delivering projects through global delivery centers and emphasizing clear communication, flexibility, and alignment with clients’ business goals. Sigma Software differentiates itself with recognition as a top outsourcing firm (IAOP World’s Top 100 Outsourcing), a wide geographic footprint, and the ability to take projects from idea through production for both established enterprises and startups. Its goal is to help clients achieve their business objectives by delivering reliable software products and expert IT advice on time and within scope.

Company size
1,001-5,000
Company stage
Not listed
Total funding
Not listed
Headquarters
Stockholms kommun, Sweden
Founded
2002

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