Lead Java Full-Stack Engineer (Architectural Focus)

Techstra Solutions•Pittsburgh, PA

About The Position

As the Lead Java Full-Stack Engineer , you serve as the technical “North Star” for the organization’s microservices ecosystem. You own the end-to-end architectural integrity of the platform—from the Angular frontend through the polyglot persistence layer (Oracle & MongoDB) . This role goes beyond implementation. You define standards, patterns, and best practices adopted by multiple teams while solving the most complex technical challenges. You bridge business requirements with scalable, secure, and resilient engineering solutions .

Requirements

10+ years of professional software engineering experience
Proven experience as a Lead Engineer or Architect in Java-based enterprise systems
Deep expertise in Java 17+ and Spring Boot 3.x
Strong hands-on experience with Angular in enterprise-scale applications
Microservices architecture and distributed systems design
Oracle and MongoDB in high-concurrency environments
Data consistency and transactional integrity across multiple data stores
API design (REST / GraphQL)
CI/CD pipelines and cloud-native deployments
Security architecture and compliance-driven development
Strong architectural judgment and systems thinking
Influential communicator able to align technical and business stakeholders
Ownership mindset with a focus on long-term platform health
Comfortable operating in ambiguity while setting clear technical direction

Nice To Haves

Event streaming with Kafka , IBM MQ, or RabbitMQ
Kubernetes, container orchestration, and cloud platforms
Experience in banking, financial services, or regulated industries
Exposure to high-volume, mission-critical systems
Prior responsibility for platform-level architectural governance

Responsibilities

Architectural & Strategic Leadership Define and maintain the enterprise microservices architecture blueprint , ensuring scalability, resiliency, and loose coupling
Lead solution design for high-impact, cross-functional initiatives spanning multiple systems and data stores
Establish and enforce standards for: Code quality and design patterns API design (REST / GraphQL) Security (OAuth2, OIDC, Zero Trust principles) CI/CD pipelines and release practices
Evaluate, select, and recommend tools, libraries, and frameworks within the Java and Angular ecosystems
Backend & Platform Architecture Provide expert leadership using Java 17+ and Spring Boot 3.x , including: Modern Java language features Spring Web, Security, Data JPA/MongoDB, and Spring Cloud
Architect and justify distributed systems patterns such as: Saga CQRS Circuit Breakers and resiliency strategies
Own polyglot persistence strategy , including: Deciding relational vs. document storage Data consistency patterns Cross-store migrations Performance tuning and indexing strategies
Frontend Architecture Direct Angular architecture across large-scale SPAs: State management strategy (Signals / NgRx) Reusable component libraries Performance optimization and UX consistency Ensure secure and scalable frontend integration with backend services
Architect event-driven workflows using Kafka, IBM MQ, or similar technologies
Own application security architecture, including: OAuth2 / OIDC JWT Encryption at rest and in transit Secure coding standards and vulnerability mitigation
Serve as a technical mentor and coach for senior and mid-level engineers
Conduct architectural and high-level code reviews
Translate technical debt and architectural investment into business value for Product Owners and executive stakeholders
Drive DevOps and “You build it, you run it” culture , including: Kubernetes orchestration strategies Observability standards (Prometheus, Grafana)
Lead technical refinement and design sessions in Agile environments , ensuring stories are implementation-ready