Java Full Stack Developer (Senior)

Techstra Solutions•Pittsburgh, PA

21h

About The Position

The Senior Java Full Stack Developer role involves designing, developing, and delivering enterprise-grade custom microservice applications using modern Java technologies and Angular framework. You will lead development efforts on mission-critical applications such as billing platforms while mentoring team members and driving technical excellence.

Requirements

8+ years of professional software development experience, with at least 3+ years in a lead or senior role.
Strong expertise in Java 11+ and Spring Boot framework for microservices development.
Proven experience building microservices architecture with RESTful APIs.
Strong proficiency in Angular 12+ for front-end development.
Expert knowledge of Oracle database including SQL, PL/SQL, stored procedures, and performance tuning.
Solid understanding of microservices design patterns (Circuit Breaker, API Gateway, Service Discovery, etc.).
Experience with version control systems (Git) and branching strategies.
Knowledge of containerization technologies (Docker, Kubernetes).
Strong understanding of design patterns and SOLID principles.
Experience with Agile/Scrum methodologies.
Bachelor’s degree in Computer Science, Software Engineering, or related field.
Excellent problem-solving and critical thinking abilities
Effective communication with technical and non-technical stakeholders
Ability to balance technical debt with feature delivery
Proven track record of delivering complex enterprise applications
Self-motivated with strong ownership mindset
Adaptable and quick learner
Collaborative team player with cross-functional experience
Customer-focused approach to software development
Strong understanding of financial calculations and accuracy requirements

Nice To Haves

Experience with IBM MQ or other message queuing systems (RabbitMQ, Kafka)
Hands-on experience with billing applications or financial transaction processing systems
Knowledge of billing cycles, rate calculations, and fee processing
Experience with Spring Cloud components (Config Server, Eureka, Zuzu/Gateway)
Familiarity with OAuth 2.0, JWT, and Spring Security
Experience with test automation frameworks (JUnit, Mockito, Jasmine, Karma)
Knowledge of CI/CD tools (Jenkins, GitLab CI, Azure DevOps)
Experience with monitoring and logging tools (Splunk, ELK Stack, Dynatrace, AppDynamics)
Understanding of API management platforms (Apigee, MuleSoft)
Experience with cloud platforms (AWS, Azure, GCP)
Knowledge of caching solutions (Redis, Hazelcast)
Familiarity with banking/financial services applications and payment systems
Experience with batch processing and job scheduling frameworks (Spring Batch, Quartz)
Master's degree in Computer Science or related field

Responsibilities

Lead end-to-end development of custom microservice-based applications using Java Spring Boot and Angular.
Design and implement scalable, resilient microservices architecture for enterprise applications.
Develop RESTful APIs and integrate microservices with internal and external systems.
Build responsive, user-friendly front-end applications using Angular framework.
Design and optimize Oracle database schemas, stored procedures, and queries.
Lead technical design sessions and create architectural documentation.
Write clean, maintainable, and well-documented code following best practices and coding standards.
Conduct code reviews and provide constructive feedback to development team members.
Mentor junior and mid-level developers on technical skills and development methodologies.
Collaborate with business analysts, architects, and product owners to translate requirements into technical solutions.
Implement CI/CD pipelines and promote DevOps practices.
Perform application performance tuning and optimization.
Troubleshoot production issues and provide technical support.
Ensure security best practices and compliance standards are met.
Participate in Agile ceremonies including sprint planning, daily stand-ups, and retrospectives.
Drive technical innovation and evaluate new technologies for potential adoption.