Java Springboot Developer

Job#: 3027824

Job Description:

Job Description:The resource will work remotely and will collaborate with US-based teams across time zones.

Project and Initiatives Summary:

The project involves developing and modernizing cloud-native microservices architecture for our digital authentication and fraud prevention platform. This initiative is part of our broader digital transformation strategy to migrate legacy monolithic applications to a scalable, resilient microservices ecosystem on Azure Cloud. The resource will play an integral role in designing, developing, and deploying high-performance, mission-critical services that handle millions of transactions daily across our digital channels.

Top Responsibilities:

Design and develop RESTful microservices using Java 17+ and Spring Boot 3.x framework

Implement distributed data models and optimize queries for Apache Cassandra clusters handling high-volume transactional data

Build and deploy cloud-native applications on Microsoft Azure using AKS (Azure Kubernetes Service), Azure Functions, and Azure Service Bus

Develop event-driven architectures using Kafka or Azure Event Hubs for real-time data streaming

Implement API gateways, service mesh (Istio), and container orchestration using Kubernetes

Write comprehensive unit tests using JUnit 5, Mockito, and integration tests for microservices

Collaborate with cross-functional teams including DevOps, QA, Security, and Product teams in an Agile/Scrum environment

Troubleshoot production issues, perform root cause analysis, and implement resilient solutions with proper monitoring and alerting

Maintain technical documentation including architecture diagrams, API specifications (Swagger/OpenAPI), and runbooks

Participate in code reviews, ensure adherence to secure coding practices, and optimize application performance

Proactively identify technical debt and areas for improvement, providing innovative solutions aligned with best practices

Required Skills and Technologies:

10+ years of hands-on experience with Java (Java 8+, preferably Java 17) and object-oriented design principles

Strong expertise in Spring Framework ecosystem, especially Spring Boot: Spring Boot, Spring Cloud, Spring Data, Spring Security, Spring REST

Production experience with Apache Cassandra: data modeling, CQL queries, partition strategies, replication, and performance tuning

Azure Cloud Platform: Azure Kubernetes Service (AKS), Azure Container Registry, Azure Key Vault, Azure Monitor, Application Insights

Microservices architecture patterns: Circuit Breaker (Resilience4j), API Gateway, Service Discovery, Distributed Tracing

Containerization and orchestration: Docker, Kubernetes, Helm charts

Message-driven architectures: Kafka, RabbitMQ, or Azure Service Bus

CI/CD pipelines: Jenkins, Azure DevOps, GitLab CI, or GitHub Actions

Database expertise: NoSQL (Cassandra, MongoDB) and relational databases (PostgreSQL, Oracle)

Version control and collaboration: Git, GitLab/GitHub, code review practices

Monitoring and observability: Prometheus, Grafana, ELK Stack, Splunk, or Azure Application Insights

Strong understanding of RESTful API design, OAuth 2.0, JWT authentication, and API security best practices

Experience with Agile/Scrum methodologies and tools like Jira, Confluence

Strong English communication skills for collaborating with US-based teams

Preferred Skills:

Experience with Apache Kafka Streams or event sourcing patterns

Knowledge of CQRS (Command Query Responsibility Segregation) and Event-Driven Architecture

Experience with reactive programming using Spring WebFlux or Project Reactor

Experience in financial services or banking domain, particularly authentication, fraud prevention, or payment systems

Familiarity with DevSecOps practices and security scanning tools (SonarQube, Snyk, Veracode)

Knowledge of service mesh technologies (Istio, Linkerd)

Experience with GraphQL APIs

Strong analytical and problem-solving skills with ability to work independently

Excellent communication skills and ability to articulate complex technical concepts to both technical and non-technical stakeholders

Experience working with globally distributed teams across multiple time zones

Interview Process:

The interview process will consist of three rounds:

Initial Screening Call (30-45 minutes): Behavioral interview and discussion of experience with Java, Spring Boot, Cassandra, and Azure

Technical Interview (90 minutes):

Live coding exercises focusing on Java/Spring Boot development

Cassandra data modeling and query optimization scenarios

System design discussion for microservices architecture

Problem-solving scenarios related to distributed systems and cloud technologies

Final Round Interview (60 minutes): Discussion with senior leadership covering architecture decisions, past project experiences, and cultural fit

All interviews will be conducted via Microsoft Teams video calls.

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at or .

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click for more details.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.