Java Developer with Hadoop

Realign Llc; Charlotte (NC); On-site; USD 110,000 - 140,000; Full time

Job summary

Realign Llc in Charlotte, NC is seeking a Java Developer with Hadoop expertise to design and build scalable backend services and REST APIs. The role emphasizes Java 10+, Spring Boot, microservices, and cloud-native patterns, with exposure to Hadoop ecosystem to support data-intensive workflows.

The candidate will collaborate with cross-functional teams, participate in code reviews, and ensure secure, high-performance applications in an on-site environment in Charlotte, with a focus on OpenShift,

Qualifications

• Must have Java 10+ and Spring Boot experience.
• Hands-on experience with Java, Spring Boot and microservices development.
• Exposure to Hadoop ecosystem to support data-intensive applications is required (not core Hadoop development).
• Experience with REST APIs and backend services.
• Knowledge of Kafka and event-driven architecture.
• Experience with OpenShift, Docker, or Kubernetes.
• Familiarity with relational databases (Oracle/SQL Server).
• CI/CD pipelines using Jenkins, GitLab, or similar tools.

Responsibilities

• Design, develop, and maintain enterprise applications using Java and Spring Boot.
• Develop scalable Microservices and REST APIs.
• Integrate applications with distributed data platforms and messaging systems.
• Collaborate with cross-functional teams to deliver high-quality solutions and participate in code reviews and production support.

Skills

Spring Boot

Core Java

Hadoop

PySpark

Hive

Kafka

REST APIs

Microservices

OpenShift

Docker

Kubernetes

SQL

Oracle

Tools

Git

Maven

CI/CD

OpenShift

Docker

Kubernetes

Job description

Charlotte, North Carolina 28105 Posted October 2nd, 2026

Role - Java Developer with Hadoop Location - Charlotte, NC (Local - F2F Interview) FTE

Job Description

Must Have Technical/Functional Skills

Primary Skill: Spring boot, Core java, Hadoop, pyspark, Hive

Secondary: Kafka

We are seeking a Java Developer with strong expertise in Java 10+ and modern backend application development. The ideal candidate should have hands-on experience in building scalable microservices, REST APIs, and cloud-native applications. Exposure to Hadoop ecosystem technologies is required to support data-intensive applications and integrations, though this is not a core Hadoop development role.

Must Have Skills

• Git, Maven, CI/CD
• Basic to Intermediate Hadoop ecosystem experience
• Design, develop, and maintain enterprise applications using Java and Spring Boot.
• Develop scalable Microservices and REST APIs.
• Integrate applications with distributed data platforms and messaging systems.
• Collaborate with cross-functional teams to deliver high-quality solutions.
• Participate in code reviews, testing, deployment, and production support.
• Optimize application performance and scalability.
• Support data processing and integration workflows involving Hadoop-based platforms.

Required Technical Skills

• Strong hands-on experience with Java, Spring Boot, and Microservices.
• Experience developing RESTful APIs and backend services.
• Knowledge of Kafka and event-driven architecture.
• Experience with OpenShift, Docker, or Kubernetes.
• Good understanding of relational databases such as Oracle or SQL Server.
• Familiarity with CI/CD pipelines using Jenkins, GitLab, or similar tools.
• Understanding of software design patterns and secure coding practices.

Hadoop Experience (Good to Have / Secondary Skill)

Candidate should possess working knowledge of:

• Hadoop ecosystem concepts (HDFS, YARN, Hive)
• Basic Hive query development and troubleshooting
• Understanding of data ingestion and batch processing workflows
• Experience working with Hadoop-based data platforms in support of application development
• Exposure to Spark is a plus

Note: Hadoop is a secondary skill. Candidates are not expected to perform deep Hadoop administration, cluster management, or advanced big-data engineering.

Preferred Skills

• Domain experience in Banking/Financial Services