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MMD Services

Sr. Java Developer (Must have Datadog!)

Hybrid

Chicago, United states

$ 120 /hour

Senior

Freelance

02-02-2026

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Skills

Communication Java JavaScript SQL CRM Architecture git jquery AWS Junit Spring Hibernate HTML5 Full-Stack Development

Job Specifications

We’re looking for a Senior Java Developer to support and enhance enterprise platforms that power customer data and CRM ecosystems.

Position Summary:

Design, develop, and support enterprise J2EE and web-based applications
Build full-stack solutions from requirements through deployment
Develop and optimize complex SQL queries and integrations
Support application maintenance and on-call rotations
Collaborate with PMs, stakeholders, and offsite development teams
Lead technical design, architecture, and development efforts
Mentor junior developers and review technical deliverables
Ensure applications meet engineering standards and best practices

Minimum Experience:

A minimum of 7 years of Java application development experience
Strong full-stack development skills (Java, J2EE, HTML5, CSS3, JavaScript/jQuery)
Experience with REST/SOAP services and enterprise design patterns
Strong SQL skills (DB2 preferred); Oracle experience a plus
Experience with Spring, Hibernate, JMS, JUnit, Git, JBoss/Tomcat
Experience with Datadog required!
Ability to troubleshoot, analyze logs, and perform root cause analysis
Strong communication skills and a collaborative, team-first mindset
Informatica ETL experience
AWS or Java certifications

MMD Services Inc. is an equal opportunity employer. All applicants are considered for all positions without regard to race, religion, color, sex, gender, sexual orientation, pregnancy, age, national origin, ancestry, physical/mental disability, medical condition, military/veteran status, genetic information, marital status, ethnicity, alienage or any other protected classification, in accordance with applicable federal, state, and local laws.

About the Company

MMD Services Inc. is a certified Woman Owned Staffing Boutique that specializes in providing staffing services to large and mid-sized organizations. Our services incorporate traditional Contract, Contract for Hire and Direct Placement for Technical, Finance and Accounting disciplines across the board. We call ourselves a boutique because of our commitment to high quality in assisting both employers and employees alike. We zero in on every detail as we carefully assess the opportunity and the candidate before moving forward. ... Know more