Mid-Level Backend Java Engineer - AWS, Spring Boot, PKI/SSL

Secretaria de Serviços Prefeitura de São Paulo; Winchester (VA); On-site; USD 90,000 - 120,000; Full time

Job summary

We are seeking a Mid-Level Software Developer to join our team in Winchester VA. You will design, develop, and maintain scalable backend services and cloud-native applications within an AWS ecosystem. The stack includes Java, Spring Boot, PostgreSQL, Redis, and DynamoDB, with focus on secure, high-performance solutions for mission-critical operations.

TS clearance is required. Candidates will design and implement robust backend services, build cloud infrastructure on AWS, and work with identity

Qualifications

• 3-6 years of software development experience with a strong Java background.
• Hands-on experience with Spring Boot for building RESTful APIs and microservices.
• Proficiency with AWS services including EC2, Lambda, S3, RDS, and DynamoDB.
• Experience with PostgreSQL via AWS RDS for relational data modeling and query optimization.
• Working knowledge of Redis for caching and session management.
• Experience with OpenSearch or Elasticsearch for search and log analytics.
• Familiarity with PKI/SSL certificate lifecycle management, TLS configuration, and secure service communication.
• Experience with Keycloak or comparable identity providers for IAM integration.

Responsibilities

• Design and develop robust, scalable backend services using Java and Spring Boot.
• Build and maintain cloud infrastructure and serverless solutions on AWS.
• Work with AWS RDS (PostgreSQL) and DynamoDB for data management.
• Implement and manage Redis caching layers to optimize performance.
• Develop and maintain search and analytics using OpenSearch.
• Configure and integrate Keycloak for IAM, SSO, and OAuth2/OIDC workflows.
• Implement and maintain PKI/SSL certificate management and secure communications.
• Collaborate with DevOps and architecture teams to support CI/CD pipelines and cloud deployments.
• Participate in code reviews, technical planning, and Agile ceremonies.
• Troubleshoot performance bottlenecks, security issues, and defects.

Skills

Java

AWS

Spring Boot

PostgreSQL

Redis

DynamoDB

PKI/SSL

OpenSearch

Keycloak/ IAM

Tools

Terraform

AWS CDK

Docker

Kubernetes

Job description

We are seeking a Mid-Level Software Developer to join our team in Winchester VA. You will design, develop, and maintain scalable backend services and cloud-native applications within an AWS ecosystem. The stack includes Java, Spring Boot, PostgreSQL, Redis, and DynamoDB, with focus on secure, high-performance solutions for mission-critical operations.

TS clearance is required. Candidates will design and implement robust backend services, build cloud infrastructure on AWS, and work with identity