Full Stack Java Developer - Senior

Senior Java Full Stack Developer

Position Overview
Techstra is  seeking an experienced Senior Java Full Stack Developer to join our technology team at a leading retail bank. This 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 our billing platforms while mentoring development team members and driving technical excellence.

Key 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

Required Qualifications
• 7+ years of professional software development experience with at least 2+ years in a lead or senior role
• Strong expertise in Java 17+ and Spring Boot framework for microservices development
• Proven experience building microservices architecture with RESTful APIs
• Strong proficiency in Angular (Angular 16+ preferred) for front-end development
• Expert knowledge of Mongo and Oracle database including SQL, 
• Solid understanding of microservices design patterns (Circuit Breaker, API Gateway, Service Discovery, etc.)
• Experience with version control systems (Git) and branching strategies
• Strong understanding of design patterns and SOLID principles
• Experience with Agile/Scrum methodologies
• Excellent problem-solving and analytical skills
• Strong communication and leadership abilities
• Bachelor''s degree in Computer Science, Software Engineering, or related field

Preferred Qualifications
• Experience with IBM MQ or other message queuing systems (RabbitMQ, Kafka)
• 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)
• Understanding of API management platforms (Swagger, Informatica, Mulesoft)

• Familiarity with banking/financial services applications and payment systems
• Experience with batch processing and job scheduling frameworks (Spring Batch, Quartz)

Technical Stack
• Java 17+
• Spring Boot 3.x+
• Spring Framework (Core, MVC, Data, Security)
• Spring Cloud (Config, Eureka, Gateway)
• Spring Batch (for billing cycles and batch processing)
• Hibernate/JPA
• Maven/Gradle
• RESTful web services
• IBM MQ (optional). Kafka (optional)
Front-End:
• Angular 16+
• TypeScript
• HTML5, CSS3/SCSS
• RxJS
• Angular Material or Bootstrap
• Node.js, npm
Database:
• Oracle 12c/19c/21c
• Mongo, SQL
• Oracle SQL Developer
• Database design and optimization
DevOps & Tools:
• Git, Bitbucket/GitHub/GitLab
• Jenkins, CI/CD pipelines
• Postman/Swagger
• IntelliJ IDEA/Eclipse
Methodologies:
• Agile/Scrum
• Continuous Integration/Continuous Deployment
• Microservices Architecture

Key Competencies
• 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

What We Offer
• Opportunity for  development of innovative banking technology solutions
• Work on modern technology stack with microservices architecture
• Collaborative environment with talented engineers and architects

At Techstra Solutions, we help top companies and brands achieve the business value of Digital and Talent Transformation. We believe there are three components in successful business transformation: Business Strategy, Technology and Talent. It is the coming together of these three disciplines that enable companies to take full advantage of opportunities. It differentiates us. Our approach is holistic and all encompassing. We consider the full picture as we guide our clients on this journey. 

We are experts in transformation, business strategy, technology, innovation, and human capital management. We deliver our expertise through client consulting, innovative staffing solutions and software development. From strategy through implementation, we are dedicated to bringing our clients world-class business and talent solutions that fit strategic requirements and most importantly, deliver results.