Senior Java Full-Stack Engineer - Spring, React, Microservices

Simplify Software Experts LLC/ Simpli Software Solutions Inc; Ohio; On-site; USD 110,000 - 150,000; Full time

Job summary

Simplify Software Experts LLC and Simpli Software Solutions Inc are seeking an experienced Java full-stack developer to join our enterprise-focused engineering team in Ohio. You will help design, build, test, and deploy secure, scalable applications used across complex financial services environments.

The role emphasizes collaboration with product owners and architects, emphasis on secure REST APIs, microservices, and modern front-end frameworks like React or Angular.

Qualifications

• Bachelor's degree or equivalent practical experience in a technical field.
• Proven software development experience with Java full-stack development (7+ years).
• Strong communication, analytical, problem-solving, and interpersonal skills.
• Ability to work independently and collaboratively within a distributed team.
• Experience with Agile methodologies and SDLC in enterprise settings.
• Mentor and guide junior developers.

Responsibilities

• Design, develop, test, deploy, and maintain enterprise-grade full-stack apps using Java and modern frontend tech.
• Develop backend services with Java, Spring Boot, Spring MVC, Spring Security, and RESTful APIs.
• Create reusable UI components and frontend architecture following best practices.
• Implement secure REST APIs and microservices for internal/external integrations.
• Participate in architecture discussions and translate requirements into technical solutions.
• Collaborate with UX/UI and stakeholders to deliver responsive apps.
• Contribute to security practices, testing, and CI/CD pipelines.
• Provide code reviews and mentorship to team members.
• Support DevOps in deployment, monitoring, and SDLC compliance.
• Work in a large-scale financial services environment with multiple stakeholders.

Skills

Java 8/11/17+

RESTful API development

Multithreading

OOP & design patterns

React

HTML5

CSS3

RxJS

Git

Docker

Kubernetes

Cloud platforms (AWS/Azure/GCP)

CI/CD (Jenkins/GitHub Actions/GitLab/•

Hibernate/JPA

SQL databases (Oracle/PostgreSQL/MySQL

JUnit/Mockito

Selenium/Cypress

OAuth/OpenID/JWT

Observability tools (Splunk, Dynatrace

Kafka

Education

Bachelor's degree in Computer Science/IT/Engineering

Equivalent practical experience

Tools

Spring Boot

Spring MVC

Spring Security

REST API design

Jenkins

GitHub Actions

GitLab CI

Azure DevOps

AWS

GCP

Job description

Simplify Software Experts LLC and Simpli Software Solutions Inc are seeking an experienced Java full-stack developer to join our enterprise-focused engineering team in Ohio. You will help design, build, test, and deploy secure, scalable applications used across complex financial services environments.

The role emphasizes collaboration with product owners and architects, emphasis on secure REST APIs, microservices, and modern front-end frameworks like React or Angular.