Software Engineer - Uruguay / Argentina
Are you a DOER? Come and join the best company! If you are the one we are looking for, go ahead and let us get to know you.
Eron International is the main provider of expert services to the financial and technological industry, serving worldwide brands whilst re-defining the Fintech sector. We are an extensive an capable company, recognized for the differential value we bring to empower our clients and their customers.
We are looking for a Backend Developer to join our company.
The right candidate must be technically talented, hands-on, and have great interpersonal skills. If you like to work in a fast-paced environment, and full of challenges this is the place for you!

What you will be doing
- Lead the design, development, testing, deployment, and monitoring of scalable, high-performance microservices.
- Define and implement best practices for clean, maintainable, and secure code.
- Design and oversee event-driven and distributed system architectures to support high availability and resilience.
- Troubleshoot and optimize complex systems, ensuring performance, scalability, and reliability.
- Lead initiatives to modernize and improve legacy systems, leveraging advanced AWS cloud services and infrastructure patterns
- Collaborate with Front-end, DevOps, and Product teams to ensure seamless integration and delivery of features.
- Take ownership of infrastructure architecture decisions, including CI/CD strategies, cost optimization, and security compliance.
- Mentor and guide mid-level and junior engineers, providing technical leadership and code reviews.
- Build reusable components, frameworks, and tools for long-term productivity.
- Proactively research and introduce emerging technologies, architectures, and trends that could benefit the business.
Requirements:
- 5+ years of experience as a backend Java Developer, including significant exposure to architecture and infrastructure decisions.
- Expert-level proficiency in Java with Spring Framework.
- Deep expertise in AWS services (SQS, SNS, Aurora, DynamoDB, DocumentDB, S3, API Gateway, Lambda, CloudWatch, IAM, ECS/EKS).
- Strong experience designing and running production workloads on Kubernetes, including scaling, monitoring, and security best practices.
- Proven track record in event-driven microservices architecture and distributed systems.
- Experience implementing and maintaining robust CI/CD pipelines (e.g., ArgoCD, Jenkins, GitLab CI).
- Solid understanding of relational and non-relational databases, including performance tuning and data modeling.
- Experience in system observability (monitoring, logging, tracing) and cost optimization in AWS.
- Ability to operate in a fast-paced, high-growth environment, making critical technical decisions.
- Experience in fintech or payment processing environments is a strong plus.
- Advanced English skills for technical discussions and documentation.
What we offer:
- A global environment with teammates living around the world
- Opportunities in a fast-paced growing company
At Eron International, everything starts with our values
#Be Direct: we are direct and genuine in all situations
#Be Owner: we treat the issues as true owners being accountable for the results
#Be Curious: we always ask ourselves what we can do better without settling with the status quo
#Be Hero Leader: lead by example, inspire and influence beyond formal roles. There are no borders between areas or roles to generate impact.
#Take risks: we take controlled risks with courage and without fear of being paralyzed by error
- Department
- Technology
- Role
- Developer
- Locations
- Uruguay, Buenos Aires, Argentina
- Employment type
- Full-time

About ERON International
We are the main provider of expert services in the financial and technological industries, empowering global brands while re-shaping the future of the Fintech sector. As a dynamic and capable company, we are known for the unique value we deliver to enhance our clients' success and drive impactful change for their customers.
Are you a DOER? Join us and be part of the best company ever!