Software Engineer - Java (Level III) - Remote

About the role

Consultfiz Latam, a subsidiary of Confiz LLC, is hiring a Level III Java Engineer in Costa Rica, working remotely. The role suits candidates with at least 5 years of professional software delivery experience, ideally full-stack, and strong candidates may receive additional responsibilities depending on their expertise.

Key responsibilities

• Backend development: help design, develop and maintain backend services, APIs and microservices with Java and Spring Boot, write clean documented code and contribute to data processing and integrations.
• System architecture: build secure, scalable and fault-tolerant systems and backends for large-scale data and user requests.
• Databases: work with SQL and NoSQL databases (PostgreSQL, DynamoDB) and refine schemas and query performance.
• Kafka: contribute to Kafka-based event streaming architectures and help troubleshoot and optimise Kafka pipelines.
• CI/CD: learn to implement and maintain pipelines with GitLab or GitHub Actions, automating builds, tests and deployments.
• Cloud: design and maintain AWS-based solutions using S3, Lambda and RDS.
• Quality assurance: run initial code testing, debug and write unit and integration tests.
• Production support: resolve issues, monitor application health and availability, and take part in incident response.

Required profile

• 5-7+ years of professional software development experience.
• Bachelor's or Master's degree in CS, Engineering or equivalent practical experience.
• Willingness to learn, grow under mentorship and join an on-call rotation.

Required skills

• Java and backend frameworks such as Spring Boot.
• SQL databases (PostgreSQL, MySQL) and basic NoSQL (DynamoDB, MongoDB).
• Event-driven architectures and Apache Kafka (producers, consumers, topics).
• AWS services (Lambda, S3, RDS) or other cloud platforms.
• CI/CD tools such as GitLab or GitHub Actions.