Java Engineer - REST APIs & Database Systems

MainframeMaster; Lisle (IL); On-site; USD 108,000 - 172,800; Full time

Benefits offered by this job

Medical, dental and vision plans

401(K) participation with company matching

Employee Stock Purchase Program (ESPP)

Job summary

MainframeMaster seeks a talented Java Engineer to join their CyberSecurity & Compliance team in Lisle, Illinois. The role involves creating robust RESTful APIs and supporting application development using Agile practices.

Candidates should possess extensive Java experience, a Bachelor's degree, and a strong understanding of SQL databases. This position offers a competitive salary range of $108,000 - $172,800, as well as comprehensive benefits including medical, dental, and vision plans.

Qualifications

• 5+ years of professional experience in Java development.
• Proven experience in designing and developing RESTful APIs.
• Strong understanding of SQL databases.

Responsibilities

• Create and implement scalable and robust RESTful APIs.
• Write clean, efficient, and well-documented code.
• Contribute to Agile activities and support customers.

Skills

Java development

RESTful API design

Spring/Spring Boot

SQL databases

CI/CD pipelines

API security

React

Angular

Education

Bachelor's degree in Engineering or related field

8+ years of experience

Tools

Jenkins

Swagger

Coverity

Job description

# Java Engineer - REST APIs & Database SystemsIBMFull-timeUSA-IL Lisle Warrenville Road, United States of AmericaUSD 108,000 - 172,8000 viewsPosted June 5, 2026## Job DescriptionJob Description:Broadcom’s Mainframe Software Division (MSD) is looking for a talented, motivated, and experienced Software Engineer with a passion for building high-quality applications using Agile practices to join our Mainframe CyberSecurity & Compliance team. In this role, you will be a key member of the development team and will focus on building, testing, and supporting leading edge Mainframe Cybersecurity and Compliance solutions used by many of the world’s largest companies.We are looking for an engineer who is highly motivated, team oriented, and has excellent organization and problem-solving skills. The individual and team goal will be to develop and maintain high-quality software aligned with user needs and business objectives.Work location for this position is in our Lisle, IL office.ResponsibilitiesCreate and implement scalable and robust RESTful APIs for seamless integration of the frontend system with backend mainframe systems.Write clean, efficient, and well-documented code, adhering to best practices and coding standards.Participate in code reviews and contribute to continuous improvement of development processes.Actively participate and contribute in all Agile activities: Iteration planning, refinement, and sprint reviews. Volunteer for and commit to delivering stories and tasks within the sprint.Interact with customers for support issues, demonstrations, and feedback sessions.RequirementsBachelor's degree in Engineering or global equivalent in a software-related field.5+ years of professional experience in **Java** development with a strong emphasis on RESTful API design and development, Spring/**Spring Boot**, good understanding of **SQL** databases.Attention to detail and a quality-first mindset following coding best practices and unit testing, with a focus on continuous improvement in code coverage quality.Knowledge of API security best practices, including authentication and authorization mechanisms.Knowledge with tools and frameworks for API testing and documentation (e.g. Bruno or Swagger).Knowledge of frontend technologies (**React**, Angular, etc.) and how they interact with backend services.Proficiency in CI/CD pipelines with building, testing, deploying, and automating using **Jenkins** or any other pipeline.Excellent analytical and problem-solving skills, with the ability to tackle complex technical challenges.Ability to work independently and in a team-oriented environment.Strong verbal and written communication skills, with the ability to articulate technical concepts to non-technical stakeholders.Desired Mainframe Technical Skills & ExperienceSolid knowledge of z/OS, Unix/USS, SMP/E, z/OSMF, Endevor, reading system dumps, TSO/ISPF.Additional experience in one or more of the following languages: IBM **Assembler**, Metal C, **COBOL**, ISPF, **REXX**, and **JCL**.Experience with Blackduck, Coverity, zACS tools.Experience with cybersecurity and compliance-related topics.Education and Experience:Bachelors in Engineering and 8+ years of related experience; at this level postgraduate coursework may be desirable or Masters degree in Engineering and 6+ years of related experience or PhD and 3+ years of related experienceAdditional Job Description:Compensation and BenefitsThe annual base salary range for this position is $108,000 - 172,800This position is also eligible for a discretionary annual bonus in accordance with relevant plan documents, and equity in accordance with equity plan documents and equity award agreements.Broadcom offers a competitive and comprehensive benefits package: Medical, dental and vision plans, 401(K) participation including company matching, Employee Stock Purchase Program (ESPP), Employee Assistance Program (EAP), company paid holidays, paid sick leave and vacation time. The company follows all applicable laws for Paid Family Leave and other leaves of absence.Broadcom is proud to be an equal opportunity employer. We will consider qualified applicants without regard to race, color, creed, religion, sex, sexual orientation, national origin, citizenship, disability status, medical condition, pregnancy, protected veteran status or any other characteristic protected by federal, state, or local law. We will also consider qualified applicants with arrest and conviction records consistent with local law.If you are located outside USA, please be sure to fill out a home address as this will be used for future correspondence.## How to ApplyApply directly through the application link above