Sr Java Spark Developer
Location: Fifth Avenue, NYC, NY 10175
Contract
Position Overview
We are seeking a highly skilled and experienced Senior Java Backend Developer to join our core engineering team. In this role, you will be responsible for designing, building, and maintaining high-performance, scalable, and secure backend systems.
The ideal candidate will have over 7 years of enterprise Java development experience, a strong background in big data processing using Apache Spark, and a passion for engineering excellence. While this is primarily a backend role, knowledge of Angular UI is a plus.
Key Responsibilities
- System Architecture: Design, develop, and deploy robust, scalable, and microservices-based backend systems using Java and Spring Boot.
- Data Processing: Architect and optimize large-scale, distributed data processing pipelines using Apache Spark.
- Database Management: Write complex SQL/NoSQL queries and optimize database performance for high-throughput applications.
- API Development: Design and implement secure, well-documented RESTful APIs.
- Mentorship & Code Quality: Lead code reviews, enforce best practices, and mentor junior and mid-level developers.
- Cross-Functional Collaboration: Partner closely with frontend teams, product managers, and DevOps to deliver seamless end-to-end features.
Required Technical Skills & Qualifications
- Experience: 7+ years of professional software development experience primarily focused on backend engineering.
- Core Java: Deep expertise in Java (Java 8/11/17+), including multithreading, concurrency, memory management, and design patterns.
- Frameworks: Extensive experience with Spring Ecosystem (Spring Boot, Spring MVC, Spring Security, Spring Data).
- Big Data Frameworks: Proven track record of building and tuning production-grade data pipelines using Apache Spark (Core, SQL, or Streaming).
- Databases: Strong knowledge of relational databases (e.g., PostgreSQL, MySQL) and NoSQL solutions (e.g., MongoDB, Cassandra).
- Tools & DevOps: Proficiency with Git, CI/CD pipelines (Jenkins, GitLab, or GitHub Actions), Maven/Gradle, and Docker.
Nice-to-Have Skills
- Frontend Knowledge: Familiarity or hands-on experience with Angular (TypeScript, RxJS, state management), enabling smooth full-stack collaboration.
- Cloud Platforms: Experience deploying and managing applications on cloud environments (AWS, GCP, or Azure).
- Container Orchestration: Knowledge of Kubernetes
Soft Skills
- Strong analytical, problem-solving, and debugging skills.
- Excellent communication and collaboration skills to work effectively in an agile environment.
- Proven ability to take ownership of projects from concept to deployment
All your information will be kept confidential according to EEO guidelines.
Skills Required
- 7+ years of professional software development experience focused on backend engineering
- Deep expertise in Java 8, 11, 17 or later, including multithreading, concurrency, memory management, and design patterns
- Extensive experience with Spring Boot, Spring MVC, Spring Security, and Spring Data
- Production experience building and tuning Apache Spark data pipelines
- Strong knowledge of relational databases such as PostgreSQL and MySQL
- Experience with NoSQL solutions such as MongoDB and Cassandra
- Proficiency with Git, CI/CD pipelines, Maven or Gradle, and Docker
- Familiarity or hands-on experience with Angular, TypeScript, RxJS, and state management
- Experience deploying and managing applications on AWS, GCP, or Azure
- Knowledge of Kubernetes
- Strong analytical, problem-solving, and debugging skills
- Excellent communication and collaboration skills in an agile environment
- Ability to take ownership of projects from concept to deployment
What We Do
BuzzClan is a technology consulting firm collaborating to provide software, advisory, implementation, transformation and staffing services. We provide systems integration, IT consulting, managed services and workforce solutions to public and private sector clients. BuzzClan is a certified partner for most Tier-1 Cloud, Software & Hardware Providers, including Oracle, Amazon, Microsoft & Saviynt. BuzzClan is committed to providing substantive business value on each and every client engagement. We do this through a combination of industry-specific business expertise, technical skills, proven project management methods and our “onsite - off-site - offshore” delivery model. We strive to work in partnership with our customers to build high-performance teams and create business solutions that will last. Vertically Integrated solutions company Full ownership of the solution The combined experience of more than 250+ years Various OEM Certifications such as OCP, PMP, AWS, MS Azure, etc. Onsite presence across the North American(US & Canada) clients Near-Shore & Offshore presence
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