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Lead Java Developer --Need local or Near-by--F2F Mandate

KeylentReading, PA🇺🇸United StatesPosted Aug 26, 2026

Why This Role Stands Out

As a hands-on Java Architect at Keylent, you'll be instrumental in shaping the technical direction of core enterprise applications, directly impacting business outcomes. This role is perfect for experienced Java professionals who thrive on solving complex challenges and mentoring engineering teams in a dynamic, customer-facing environment. Apply now to leverage your expertise and drive innovation in this impactful, long-term opportunity.

Quick Overview

Seniority
Mid Senior
Work mode
On Site
Location
Reading, PA, United States
Posted
3 weeks ago
DockerMicroservicesMongoDBMySQLSpringSpring BootAWSELKScrumSplunkTDDAgileAngularCloudFormationGitJWTJavaJavaScriptJenkinsKafkaKubernetesPostgreSQLPrometheusRESTRabbitMQTerraform

Job Description

Title: Senior Lead Java Developer
Location: Reading, PA(100% Onsite)
Duration: Long Term
 
Position Overview
We are seeking a highly skilled Senior Lead Java Developer to lead the design, development, and implementation of mission-critical enterprise applications. The ideal candidate will have deep expertise in Java, Spring Boot, Microservices, cloud-native development, and modern frontend technologies. This individual will provide technical leadership, mentor development teams, and drive the delivery of scalable, secure, and high-performing solutions in an Agile environment.
Key Responsibilities:
  • Lead the architecture, design, development, and deployment of enterprise-grade Java applications.
  • Develop scalable, secure, and resilient Microservices using Java and Spring Boot.
  • Design, build, and maintain RESTful APIs for enterprise integrations.
  • Collaborate with Solution Architects, Product Owners, Business Analysts, QA Engineers, and DevOps teams throughout the software development lifecycle.
  • Lead technical design reviews and establish development best practices.
  • Build responsive user interfaces using Angular (18+), HTML5, CSS3, and JavaScript.
  • Design and optimize data models using MySQL, PostgreSQL, and MongoDB.
  • Implement event-driven architectures using Kafka and/or RabbitMQ.
  • Develop secure applications using OAuth2, JWT, and Role-Based Access Control (RBAC).
  • Deploy and support applications in AWS cloud environments.
  • Participate in CI/CD automation, code reviews, performance tuning, and production support.
  • Troubleshoot complex production issues and provide long-term technical solutions.
  • Mentor junior and mid-level developers while promoting engineering excellence and coding standards.
  • Work within Agile/Scrum teams to deliver high-quality software on schedule.
Required Qualifications:
  • Bachelor''''s degree in Computer Science, Information Technology, Engineering, or a related field (or equivalent experience).
  • 10+ years of enterprise Java development experience.
  • Strong expertise in Java (JSE/J2EE), Servlets, and JSP.
  • Extensive experience with Spring Framework, Spring Boot, Spring MVC, and Microservices architecture.
  • Strong experience developing RESTful APIs.
  • Experience with relational databases including MySQL and PostgreSQL.
  • Experience with NoSQL databases such as MongoDB.
  • Hands-on experience with Angular (18+ preferred), HTML5, CSS3, and JavaScript.
  • Experience implementing messaging solutions using Kafka and/or RabbitMQ.
  • Strong understanding of OAuth2, JWT, RBAC, authentication, and authorization.
  • Experience deploying applications on AWS.
  • Experience with Git, Maven, Jenkins, Docker, Kubernetes/OpenShift, and CI/CD pipelines.
  • Strong knowledge of object-oriented programming, design patterns, multithreading, and distributed systems.
  • Experience working in Agile/Scrum environments.
  • Excellent communication, collaboration, and leadership skills.
Preferred Qualifications:
  • Experience with enterprise transportation, logistics, fleet management, or supply chain applications.
  • Experience with containerized Microservices and cloud-native architectures.
  • AWS or Java certifications.
  • Experience with monitoring and logging tools such as Splunk, ELK, CloudWatch, or Prometheus.
  • Knowledge of Infrastructure as Code (Terraform or CloudFormation).
  • Experience leading distributed development teams.
Technical Skills:
Backend: Java, JSE, J2EE, Servlets, JSP, Spring Framework, Spring Boot, Spring MVC, Micro services, REST APIs
Frontend: Angular (18+), HTML5, CSS3, JavaScript
Databases: MySQL, PostgreSQL, MongoDB
Messaging: Kafka, RabbitMQ
Security: OAuth2, JWT, RBAC
Cloud & DevOps: AWS, Docker, Kubernetes, Jenkins, Git, Maven, CI/CD
Methodologies: Agile, Scrum, SDLC, Test-Driven Development (TDD)

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