• Senior Software Engineer - Contractor

    Robert Half Technology (Chicago, IL)


    Description

    We are looking for a skilled Senior Software Engineer to join our team on a long-term contract basis in Chicago, Illinois. In this role, you will enhance, maintain, and support an enterprise-level, 24/7 production system, as well as develop and troubleshoot customer-facing APIs and associated workflows. This position offers a collaborative and innovative environment where your technical expertise will contribute to impactful solutions for global customers.

     

    Remote Work: Not permitted

     

    Duration: 10 months (potential for extension)

    Key Responsibilities

    + Support and enhance Java-and-SQL-based file production systems to meet SLAs.

    + Maintain and develop customer-facing APIs (REST, SOAP, GraphQL).

    + Troubleshoot and resolve complex production issues and bugs.

    + Collaborate with business and technical teams to translate requirements into software designs.

    + Adhere to development best practices, security, and data privacy standards.

    + Participate in code reviews and configuration management.

    + Report progress regularly and resolve technical issues as needed.

    Requirements

    Required Qualifications

    + Experience: Minimum 7 years in software development.

    + Education: BS in Engineering, Computer Science, or equivalent experience.

    Technical Skills – Required

    + Java, J2EE

    + Spring Boot, Microservices, API development

    + Strong SQL proficiency

    + Git (GitHub Actions is a plus)

    + Configuration Management concepts (Ansible is a plus)

    + Cloud hosting concepts

    + OAuth 2.0

    + Understanding of software architecture and system design

    + Experience with Agile methodologies and test-driven development

     

    Technical Skills – Preferred (Nice to Have)

     

    + Protocol Buffers with Java

    + GraphQL

    + Angular

    + Kafka

    + Python

    + Docker, Kubernetes

    + CI/CD tools (Jenkins, GitHub Actions)

    + Unix/Linux environments

    + Tools: Eclipse, Postman, JIRA, Confluence

     

    Soft Skills & Accountability

     

    + Strong communication skills (oral and written)

    + Ability to work with technical and non-technical stakeholders

    + Self-motivated and detail-oriented

    + Commitment to security and data privacy

    + Ability to meet deadlines and deliver high-quality work

     

    Top 3 Must-Have Skills

     

    + Java

    + SQL

    + Python

     

    Technology Doesn't Change the World, People Do.®

     

    Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.

     

    Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app (https://www.roberthalf.com/us/en/mobile-app) and get 1-tap apply, notifications of AI-matched jobs, and much more.

     

    All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.

     

    • 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to Robert Half’s Terms of Use (https://www.roberthalf.com/us/en/terms) .