Senior Java Developer - FULL TIME - Open for H1 Transfer; No C2C

Keylent Inc; Reading (Berks County); On-site; USD 90,000 - 120,000; Full time

Job summary

A leading software development company is seeking a Senior Java Developer to join their Reading, PA team. This full-time role involves designing, developing, and maintaining enterprise-grade applications using Java, Spring Boot, and Angular. The ideal candidate will have strong skills in microservices architecture and RESTful API development. Experience with SQL/NoSQL databases and containerization technologies like Docker and Kubernetes is essential. The company promotes modern engineering practices and offers a collaborative environment.

Qualifications

• In-depth understanding of the web development process from design to deployment.
• Strong experience in developing and maintaining microservices applications.
• Proficient in SQL and NoSQL databases.

Responsibilities

• Design, develop, and maintain scalable applications using Java and Spring Boot.
• Build and optimize responsive, scalable front-end applications with Angular.
• Manage CI/CD pipelines and perform code reviews for quality assurance.

Skills

Java

Spring Boot

RESTful API design

Microservices

SQL

NoSQL

Docker

Kubernetes

Agile development

Tools

MySQL

MongoDB

Kafka

RabbitMQ

AWS

Jenkins

JUnit

Mockito

Job description

Senior Java Developer - FULL TIME - Open for H1 Transfer; No C2C

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Job Title: Software Engineer (Java Back-End)

Job Summary:

We are seeking an experienced Software Engineer (Java Back-End ) to join our dynamic team. As a key contributor, you will be responsible for designing, developing, and maintaining scalable, enterprise-grade applications using Java, Spring Boot, REST APIs, and Angular. You’ll play a crucial role in architecting microservices-based solutions, ensuring performance, reliability, and security across both back-end and front-end layers.

If you are passionate about modern software engineering practices, coding standards, and cutting-edge technologies, we’d love to meet you!

Responsibilities

• Design, develop, and maintain enterprise-grade applications using Java, Spring Boot, and REST APIs.
• Architect, design, and implement microservices-based solutions ensuring scalability and maintainability.
• Collaborate with cross-functional teams to translate business requirements into technical designs.
• Build and optimize responsive, scalable front-end applications using Angular 18+.
• Optimize RESTful APIs for performance, scalability, and security.
• Integrate with SQL/NoSQL databases and ensure efficient data modeling, query optimization, and transaction management.
• Implement authentication, authorization, and security measures (OAuth2, JWT, etc.).
• Troubleshoot and debug complex technical issues and provide solutions to performance bottlenecks.
• Define and enforce coding standards, best practices, and application design patterns.
• Perform detailed code reviews to ensure code quality, performance, and security.
• Set up and maintain CI/CD pipelines for automated build, test, and deployment.
• Develop, package, and deploy applications using containerization (Docker, Kubernetes).
• Manage cutting-edge technologies to modernize legacy applications.
• Stay current with emerging Java, Angular, and backend/frontend technologies, and apply them where appropriate.
• Participate in the entire application lifecycle, focusing on coding, testing, and debugging.

Requirements and Skills

• In-depth understanding of the entire web development process (design, development, deployment).
• Strong proficiency in Java, Spring Boot, and RESTful API design.
• Hands-on experience in developing and maintaining microservices applications.
• Strong experience with SQL and NoSQL databases (MySQL, MongoDB, etc.).
• Solid knowledge of JSE, J2EE, Servlets, JSP, Spring, Spring Boot, and Microservices.
• Experience with message brokers like Kafka and/or RabbitMQ.
• Strong understanding of authentication and security mechanisms (OAuth2, JWT, RBAC).
• Knowledge of cloud platforms (e.g., AWS) and DevOps tools (Docker, OpenShift, Jenkins).
• Proven experience with containerization and orchestration (Docker, Kubernetes).
• Familiarity with testing frameworks such as JUnit and Mockito.
• Experience in CI/CD pipelines and automated deployments.
• Familiarity with Agile development methodology.
• Strong emphasis on clean coding, design patterns, and code review practices.
• Ability to troubleshoot performance bottlenecks and optimize systems.

Seniority level

• Mid-Senior level

Employment type

• Contract

Job function

• Information Technology

Industries

• Software Development and IT System Custom Software Development

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