Job Description:

Our client is seeking a Sr. Java Backend Developer. The Backend Developer (Java & Node) is part of the Digital Technology Team. They are responsible for design, implementation and on-going enhancements of digital products and enhancing the digital experience. The developer must have a strong and continuously evolving technical mastery of RESTful API development focused on Node.js. This includes hands-on programming, participating in design sessions, code reviews, system testing during various phases of development, follow best industry practices and publish API documentations. 

About you:

Looking for a Backend Services / API Developer skilled in programming server-side javascript running on Java & Nodejs Runtime. Experience in AWS Cloud ecosystem and worked with services like Lambda, API Gateway, CloudWatch, S3, etc. Backend services developers with programming experience such as Java, C# and Python are welcome to apply as long as the candidate is fluent enough to code in Javascript and work with MongoDB / No SQL Database. Full-stack developers (UI + Services) fluent in Javascript are also welcome to apply. 

Key Responsibilities and Duties:

• Design APIs, develop shippable code, documentation and unit test new features for digital products.
• Works with fellow API Developers, Team Leads, Architects to deliver features through the creation of re-usable RESTful APIs.
• Collaborate with Quality, Product and Cloud Engineering teams to keep digital assets fully functional, secure and up to date with business needs.
• Perform pair programming, effectively communicate ideas with the team, assist in systems integration, performance testing and product releases
• Implement policies, roles, data access controls, monitoring events, resolve system and data issues for continuous functioning of APIs 

"Must Have" Specific Knowledge And Skills:

• Must have 10+ years of API / Server-side development experience (Programmer, Backend Services developers, Middleware developers, Javascript(must), NodeJS, Java, C#, Backend Services Developer, AWS, Lambda, Serverless, MongoDB, Document Storage modeling, RDBMS Storage modeling.)
• Must have 8 years of experience in cloud platforms (preferable AWS: both traditional EC2 and serverless Lambda), developing micro-services, CI/CD solutions (including Docker), message queue systems and background task management.
• Must have 8 years of experience in developing NoSQL databases, designing data models and proficient in querying document stores (preferably MongoDB).
• Knowledge in API security frameworks, token management and user access control including OAuth, JWT, OpenAPI, etc.
• Must demonstrate strong programming skills in Javascript
• Experience working with API Gateway, CDNs, API Performance testing, CI/CD pipelines and monitoring tools. 

Additional Skills And Other Requirements:

• Ability to work in an Agile / SCRUM environment.
• Self-directed with a start-up/entrepreneur mindset.
• Ravenous about learning technology and problem solving.
• Strong writing and communication skills.

Salary/Rate: $65-$80/HR (depends on experience level). This is a contract position with candidates expected to work 40 hours/ week.

About Us

Peterson Technology Partners (PTP) is an Equal Opportunity Employer committed to creating a transparent, inclusive, and human-centered hiring experience.

For more than 28 years, PTP has operated as one of the top IT staffing and recruiting firms in the USA—built on trust, long-term partnerships, and technical excellence.

Based in the Chicago suburb of Park Ridge, IL, our team of more than 500 employees and consultants is dedicated to:

• Helping every client make the best hiring decisions possible
• Matching professionals with the right IT jobs and career opportunities

As part of that commitment, we believe in providing clear information about how our hiring technologies work and how your data is used. The following section outlines our AI-assisted interview process and your rights as a candidate.

AI-Assisted Interview Experience (Pete & Gabi – Rebecca):

To provide a consistent, fair, and flexible experience for all candidates, we use AI-assisted tools to support parts of the interview process. This includes our proprietary AI platform Pete & Gabi, which includes AI recruiter Rebecca.

These AI hiring tools help us:

• Conduct recorded video interviews
• Transcribe interviews
• Summarize candidate responses
• Generate job-related insights
• Streamline communication and scheduling

Please note that:

• The AI does NOT make hiring decisions; all decisions are made by our human recruiters, hiring managers, or client partners.
• The AI does not evaluate facial expressions, emotions, or physical traits; it is used only to support fairness, consistency, and efficiency.

If you prefer a non-AI interview format, we will gladly provide an alternative.