Full Stack Java Developer

Agility Partners; Columbus (OH); On-site; USD 110,000 - 150,000; Full time

Job summary

Agility Partners is seeking a Senior Engineer to design, develop, and support scalable enterprise applications using Java, Spring Boot, and React. You will lead full-stack development, APIs, microservices, and modern UI interfaces while modernizing legacy systems within an Agile environment.

You will work on cloud-ready distributed architectures, collaborate with cross-functional teams, implement secure coding practices, and contribute to CI/CD processes.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Engineering, or related field, or equivalent experience.
• 5+ years of software engineering experience with enterprise application development.
• Strong hands-on experience with Java and Spring Boot.
• Strong experience developing RESTful APIs and microservices.
• Experience with relational databases and SQL (Oracle, PostgreSQL, SQL Server).
• Experience with Agile/Scrum software development environment.
• Experience with Docker, Kubernetes, and containerized development.

Responsibilities

• Design, develop, test, deploy, and support scalable enterprise applications using Java, Spring Boot, React, and modern open-system technologies.
• Lead the development of full-stack apps, including RESTful APIs, microservices, backend services, and responsive React UIs.
• Translate business and technical requirements into scalable, maintainable, and secure software solutions.
• Design and implement cloud-ready, distributed, service-oriented apps using modern architecture patterns.
• Develop high-quality Java applications using Spring Boot, Spring Framework, JPA/Hibernate, REST APIs, and related technologies.
• Build reusable React components and integrate front-end apps with backend APIs.
• Participate in architecture and design activities, evaluate tech choices and define development standards.
• Lead or contribute to modernization of legacy apps to open-system, API-driven microservices architectures.
• Develop unit, integration, and automated tests for quality and performance.
• Perform code reviews and mentor junior/mid-level engineers.

Skills

Java & Spring Boot proficiency

RESTful APIs & Microservices

Analytical problem-solving

Collaborative teamwork

Agile/Scrum experience

Strong communication

Cloud-native architecture knowledge

Independent work capability

Education

Bachelor's degree in Computer Science/IT/Engineering or related field

Equivalent experience

Tools

Docker

Kubernetes

AWS

Azure

Google Cloud

Spring Cloud

JWT/OAuth2 security

CI/CD tools (Jenkins/GitHub Actions)

Git

SQL databases (Oracle/PostgreSQL/SQL Server)

Job description

We are seeking a Senior Engineer to design, develop, and support highly scalable enterprise applications using Java, Spring Boot, React, and modern open-system technologies. In this role, you will lead the development of full-stack applications, including RESTful APIs, microservices, backend services, and responsive React-based user interfaces. You will play a key role in modernizing legacy systems and translating business and technical requirements into secure, maintainable, and scalable software solutions. This position offers the opportunity to work with cutting-edge cloud-ready and distributed architectures while collaborating with cross-functional teams in an Agile environment.

Responsibilities:

• Design, develop, test, deploy, and support highly scalable enterprise applications using Java, Spring Boot, React, and modern open-system technologies
• Lead the development of full-stack applications, including RESTful APIs, microservices, backend services, and responsive React-based user interfaces
• Translate business and technical requirements into scalable, maintainable, and secure software solutions
• Design and implement cloud-ready, distributed, and service-oriented applications using modern software architecture and development patterns
• Develop high-quality Java applications using Spring Boot, Spring Framework, JPA/Hibernate, REST APIs, and related technologies
• Build reusable and maintainable React components and integrate front-end applications with backend APIs
• Participate in application architecture and technical design activities, including evaluating technology choices and defining development standards
• Lead or contribute to the modernization of legacy applications into open-system, API-driven, and microservices-based architectures
• Develop unit, integration, and automated tests to ensure application quality, reliability, and performance
• Perform code reviews and provide technical guidance and mentoring to junior and mid-level engineers
• Troubleshoot complex application, integration, performance, and production issues and drive problems through resolution
• Collaborate with product owners, business analysts, architects, DevOps engineers, QA teams, and other technology teams throughout the software development lifecycle
• Participate in Agile/Scrum ceremonies, including sprint planning, backlog refinement, daily standups, reviews, and retrospectives
• Implement secure coding practices and ensure applications comply with enterprise security, architecture, and regulatory standards
• Support CI/CD pipelines and automated deployment processes using modern DevOps practices
• Monitor application performance and identify opportunities to improve scalability, reliability, resiliency, and operational efficiency
• Create and maintain technical documentation, architecture diagrams, API specifications, and operational procedures
• Stay current with emerging technologies and recommend improvements to development practices, tools, frameworks, and application architecture

The ideal candidate:

• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent experience
• 5+ years of software engineering experience with enterprise application development
• Strong hands‑on experience with Java and Spring Boot
• Strong experience developing RESTful APIs and microservices
• Strong understanding of object‑oriented programming, design patterns, data structures, and software engineering principles
• Experience with relational databases and SQL, such as Oracle, PostgreSQL, or SQL Server
• Experience with Git and modern source‑control practices
• Experience with unit testing and automated testing frameworks
• Experience working in an Agile/Scrum software development environment
• Strong troubleshooting, analytical, and problem‑solving skills
• Ability to work independently while collaborating effectively with cross‑functional technology and business teams
• Strong verbal and written communication skills
• Experience designing and developing cloud‑native applications using AWS, Azure, or Google Cloud (preferred)
• Experience with microservices architecture, event‑driven architecture, and distributed systems (preferred)
• Experience with Docker, Kubernetes, and containerized application development (preferred)
• Experience with messaging and streaming technologies such as Kafka, RabbitMQ, or IBM MQ (preferred)
• Experience with CI/CD and DevOps tools such as Jenkins, GitHub Actions, GitLab, Azure DevOps, or similar platforms (preferred)
• Experience with Spring Cloud, Spring Security, OAuth2, and JWT (preferred)
• Experience with TypeScript, Redux, React Query, or other modern React technologies (preferred)
• Experience with NoSQL databases such as MongoDB, DynamoDB, Google Cloud Bigtable, or Redis (preferred)
• Experience with API management, API gateways, and enterprise integration patterns (preferred)
• Knowledge of AWS services, cloud security, observability, and application monitoring (preferred)
• Experience modernizing legacy applications and migrating applications from mainframe or proprietary platforms to open‑system technologies (preferred)
• Experience with performance tuning, scalability, resiliency, and high‑availability architectures (preferred)
• Experience working in large enterprise environments, particularly financial services, banking, insurance, or other highly regulated industries (preferred)
• Experience providing technical leadership, mentoring engineers, and driving engineering best practices (preferred)
• Familiarity with AI‑assisted software development and modern developer productivity tools is a plus

Reasons to love it:

• Opportunity to work with cutting‑edge technologies including Java, Spring Boot, React, and modern cloud platforms
• Lead impactful modernization initiatives transforming legacy systems into modern, scalable architectures
• Collaborate with talented cross‑functional teams in a dynamic Agile environment
• Provide technical leadership and mentorship to engineering teams
• Contribute to critical enterprise applications in highly regulated industries
• Continuous learning environment with exposure to emerging technologies and development practices
• Work on challenging problems involving distributed systems, microservices, and cloud‑native architectures
• Influence technical direction, development standards, and engineering best practices