Sr. Java Developer (Expert)

Job Description: The Product Software Engineer Expert architects and designs their digital products using modern tools, technologies, frameworks, and systems. They apply a systematic application of scientific and technological knowledge, methods, and experience to the design, implementation, testing, and documentation of software. They own and manage running their application in production, and ultimately becomes accountable for the success of their digital products through achieving KPIs. Key Responsibilities: Participate in inceptions and iteration planning meetings, infusing backlogs with technical input working in close partnership with the product manager.Leads and participates in daily site, cross-site, and product team standups.Leads and participates in retrospectives, demonstrating and encouraging each participant to provide feedback with empathy.Participate in high-level and low-level component and system designs.Participate in performance improvements and tech review meetings.Partners in collaboration and strategy alignment across product portfolios (cross-product) in partnership with product managers, other peers and key stakeholders.Serves as an expert on one or more business domain and a distinguished advocate of multiple technology stacks and shares that knowledge across organizations.Coaches the team and leads daily practices of using paired programming and test-driven development in writing software and building products.Establishes continuous integration, continuous delivery, and continuous deployment pipelines and practices.Provides support for software products in user environments. Technical Skills: Experience and knowledge in developing REST APIs using Java Spring boot, including tooling for documentation (swagger, REST-docs, OpenAPI spec), versioning, service discovery/registration, testing and management; experience using API gateways a plus.Hands on experience and accountability architecting, designing, implementing and delivering large scale distributed systems and/or applications for the cloud, including MicroServices architectures.Experience and knowledge in web and API security including authentication, authorization, OAuth, OWASP, OpenID, and SAML.Experience in backend development design and implementation, database (MongoDB, caching) and Kafka messaging.Knowledge and experience using distributed version control systems (git), artifact management systems, build and packaging systems (maven, gradle, npm, artifactory, etc) and Jenkins or similar Continuous Integration tools.Experience of working in an Agile environment or paired programming/engineering model. Experience: 10-15+ years of experience.Preferred time zone is CST hours but flexible with EST or PST hours as well. Salary/Rate: $75-$90/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 possibleMatching 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 interviewsTranscribe interviewsSummarize candidate responsesGenerate job-related insightsStreamline 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. Technical or Case Interviews (Role-Dependent): − When applying for certain tech jobs, you may participate in: A technical interviewA coding challengeA case studyA client-specific assessment We will always explain what to expect in advance so you can prepare with confidence. Human Review & Selection: + Every candidate’s profile—including interviews, conversations, and assessments—is reviewed by experienced recruiters and hiring leaders. AI insights may assist with organization and evaluation, but final decisions are always human-driven. Your Rights as a Candidate: + At PTP, every candidate has the right to: Request a non-AI interview pathAsk how your data is being usedRequest access to transcripts or interview recordingsRequest deletion of your AI-recorded interviewReceive clear, timely communication Our goal is to ensure you feel respected, informed, and supported throughout your experience. Our Commitment: + For more than 28 years, PTP has focused on putting people first—candidates, consultants, employees, and clients. We’re committed to a hiring process that is: TransparentCompliantEquitablePowered by innovative technology that enhances—not replaces—human judgment Welcome to the future of hiring at Peterson Technology Partners. We’re excited to learn more about you. Equal Employment Opportunity: + Peterson Technology Partners is an Equal Opportunity Employer. All qualified applicants will receive consideration without regard to race, color, religion, national origin, gender identity, sexual orientation, disability, veteran status, or any other protected characteristic.