Lead Java Developer

ENIN Systems, INC; North Carolina; On-site; USD 140,000 - 180,000; Full time

Job summary

ENIN Systems, INC seeks an experienced Lead Java Developer to guide the design, development, and deployment of scalable enterprise applications. You will drive technical direction across Java, Spring Boot, microservices, REST APIs, and cloud platforms while mentoring a team of developers.

You will ensure code quality, performance, security, and maintainability, collaborating with product, QA, and DevOps to deliver high-quality software solutions.

Qualifications

• Bachelor's degree or equivalent practical experience.
• 12+ years of Java software development, including leadership responsibilities.
• Strong proficiency in Java 8+ (Java 11/17/21).
• Extensive experience with Spring Boot, Spring MVC, Spring Security, and Spring Data.
• Strong knowledge of microservices, REST APIs, and distributed systems.
• Experience with SQL/NoSQL databases and ORM frameworks.
• Experience with messaging technologies like Kafka or RabbitMQ.
• Cloud exposure (AWS/Azure/GCP) and containerization with Docker/Kubernetes.
• CI/CD pipelines, Git, Maven/Gradle, and security practices.
• Excellent problem-solving, communication, and leadership skills.

Responsibilities

• Lead the design, development, testing, and deployment of enterprise applications using Java and related technologies.
• Develop scalable and maintainable applications using Java, Spring Boot, Spring Framework, and microservices architecture.
• Design, develop, and maintain RESTful APIs and integrate applications with internal and external systems.
• Define technical architecture, coding standards, development guidelines, and best practices.
• Lead and mentor a team of Java developers, providing technical guidance and support.
• Conduct code reviews and ensure code quality, performance, security, and maintainability.
• Design and optimize database solutions using SQL and NoSQL technologies.
• Implement application security using Spring Security, OAuth 2.0, JWT, and related frameworks.
• Collaborate with product owners, business analysts, architects, QA teams, and DevOps engineers.
• Troubleshoot complex application issues, perform root-cause analysis, and implement effective solutions.
• Develop unit, integration, and automated tests using JUnit, Mockito, and related testing frameworks.
• Work with CI/CD pipelines, Git, Maven or Gradle, Docker, Kubernetes, and cloud platforms.
• Monitor application performance, scalability, reliability, and production stability.
• Participate in Agile/Scrum ceremonies, sprint planning, technical discussions, and release management.
• Evaluate new technologies and recommend improvements to existing applications and development processes.

Skills

Java

Spring Boot

Microservices

REST APIs

Spring Security

OAuth 2.0

JWT

Cloud platforms

SQL databases

NoSQL databases

Docker

Kubernetes

CI/CD pipelines

JUnit

Mockito

Hibernate

JPA

JDBC

Kafka

GIT

Maven

Gradle

Design patterns

SOLID principles

Team leadership

Education

Bachelor's degree in Computer Science or related field

Tools

Hibernate

JPA

JDBC

ORM frameworks

Kafka

RabbitMQ

AWS

Azure

Google Cloud

Docker

Kubernetes

Jenkins

Git

Maven

Gradle

Job description

We are seeking an experienced Lead Java Developer to lead the design, development, and implementation of scalable, high-performance enterprise applications. The ideal candidate will have strong expertise in Java, Spring Boot, microservices architecture, RESTful APIs, cloud technologies, and database management. This role involves technical leadership, hands-on development, code reviews, architecture decisions, and collaboration with cross-functional teams to deliver high-quality software solutions.

Key Responsibilities:

• Lead the design, development, testing, and deployment of enterprise applications using Java and related technologies.
• Develop scalable and maintainable applications using Java, Spring Boot, Spring Framework, and microservices architecture.
• Design, develop, and maintain RESTful APIs and integrate applications with internal and external systems.
• Define technical architecture, coding standards, development guidelines, and best practices.
• Lead and mentor a team of Java developers, providing technical guidance and support.
• Conduct code reviews and ensure code quality, performance, security, and maintainability.
• Design and optimize database solutions using SQL and NoSQL technologies.
• Implement application security using Spring Security, OAuth 2.0, JWT, and related frameworks.
• Collaborate with product owners, business analysts, architects, QA teams, and DevOps engineers.
• Troubleshoot complex application issues, perform root-cause analysis, and implement effective solutions.
• Develop unit, integration, and automated tests using JUnit, Mockito, and related testing frameworks.
• Work with CI/CD pipelines, Git, Maven or Gradle, Docker, Kubernetes, and cloud platforms.
• Monitor application performance, scalability, reliability, and production stability.
• Participate in Agile/Scrum ceremonies, sprint planning, technical discussions, and release management.
• Evaluate new technologies and recommend improvements to existing applications and development processes.

Required Skills and Qualifications:

• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.
• 12+ years of experience in Java software development, including technical leadership responsibilities.
• Strong proficiency in Java 8 or later, including Java 11, 17, or 21.
• Extensive experience with Spring Boot, Spring MVC, Spring Security, and Spring Data.
• Strong knowledge of microservices architecture, REST APIs, and distributed systems.
• Experience with Hibernate, JPA, JDBC, and ORM frameworks.
• Proficiency in SQL databases such as Oracle, PostgreSQL, or MySQL.
• Experience with messaging technologies such as Apache Kafka or RabbitMQ.
• Familiarity with cloud platforms such as AWS, Microsoft Azure, or Google Cloud.
• Experience with Docker, Kubernetes, Jenkins, Git, Maven, and CI/CD pipelines.
• Strong understanding of object-oriented programming, design patterns, SOLID principles, and clean code practices.
• Experience with unit testing, integration testing, debugging, and performance tuning.
• Excellent problem-solving, communication, leadership, and team collaboration skills.

Preferred Qualifications

• Experience with event-driven architecture and cloud-native application development.
• Knowledge of system design, high availability, fault tolerance, and application scalability.
• Familiarity with Infrastructure as Code tools such as Terraform.
• Experience with observability tools such as Prometheus, Grafana, ELK Stack, or OpenTelemetry.
• Knowledge of DevSecOps practices and secure software development.
• Experience working in Agile/Scrum environments and distributed development teams.
• Technical leadership and team mentoring.
• System architecture and design.
• Analytical thinking and problem-solving.
• Effective communication and stakeholder management.
• Ownership, accountability, and decision-making.
• Ability to manage priorities and deliver high-quality solutions on schedule.