Lead Java Developer-W2 Only-Albany, NY-Onsite

iSite Technologies Corp.; City of Albany (NY); On-site; USD 120,000 - 180,000; Full time

Job summary

iSite Technologies Corp. seeks a Senior Java Developer to lead design and delivery of complex microservices-based systems.

You will apply Java 21, Spring Boot, and Hibernate/JPA to build scalable services running on AWS, with a focus on API design, data modeling, and robust inter-service communication. The role requires seven plus years of Java experience, hands-on architecture work, and collaboration with cross‑functional teams.

Qualifications

• 7+ years of professional Java development experience.
• Strong proficiency in Java 21 (records, sealed classes, pattern matching, virtual threads).
• 1–3 years designing and building microservices architectures — API gateway, service decomposition, and distributed configuration.

Skills

Java 21

Spring Framework

Microservices architecture

AWS

RESTful APIs

Hibernate/JPA

PostgreSQL

Education

Bachelor's degree in Computer Science

Tools

Docker

Kubernetes

Git

Jenkins

Job description

• Level III- More than seven (7) years of experience working on complex projects with 2 or more years in a leadership role as a Developer 7+ years of professional Java development experience with strong proficiency in Java 21 (records, sealed classes, pattern matching, virtual threads). One to three years of experience designing and building microservices architectures — service decomposition, API gateway patterns, service discovery, and distributed configuration; deploying and operating microservices on AWS (EC2, ECS/EKS, RDS, S3, SQS, Lambda). Seven years of experience with Spring Boot and the Spring ecosystem (Spring MVC, Spring Data, Spring Security, Spring Cloud); Spring Batch for large-scale batch processing; solid understanding of Hibernate/JPA for ORM and database interaction; experience with PostgreSQL or similar relational databases; building and consuming RESTful APIs with proper versioning and contract-first design; experience with inter-service communication patterns (REST, messaging queues, event-driven).
• Desirable Qualifications: Meets (Yes/No) If Meets identify Where, When and HOW, as applicable
  • Experience with government or public sector projects
  • Familiarity with CI/CD tools (Jenkins, GitHub Actions, or similar) for microservices deployment pipelines; distributed system concerns: fault tolerance, circuit breakers, retries, and observability.
  • Hands‑on experience with microservices patterns such as saga, CQRS, event sourcing, and API composition; service mesh technologies and API gateway solutions (AWS API Gateway, Spring Cloud Gateway)
  • Experience with Git version control and collaborative development workflows; strong understanding of software design patterns, SOLID principles, and clean code practices
  • Experience with containerization (Docker) and orchestration (Kubernetes/ECS) for microservices deployment
  • Knowledge of message-driven architecture (SQS, SNS, Kafka) for asynchronous inter-service communication; database-per-service patterns and database migration tools (Flyway, Liquibase etc)
  • Experience with centralized logging and distributed tracing across microservices (CloudWatch, Splunk, Datadog, Zipkin, OpenTelemetry)
  • Knowledge of infrastructure-as-code (Terraform, CloudFormation); OAuth2/OpenID Connect for securing microservices