Senior Full Stack Software Developer Jobs in Illinois

Job#: 3035526
Job Description:
Full Stack Software Engineer
Location: Chicago, Illinois (Hybrid)
Employment Type: Contract
Duration: 12 month contract w/extension
Role Overview
We are seeking a Full Stack Software Engineer to join a global digital and technology organization. This role involves working on innovative systems for guests and colleagues, collaborating with back-end services teams, front-end designers, and product management to create scalable web applications. The position requires direct involvement in team performance and development efforts, applying DevOps tools and culture to deliver software to production efficiently.
Key Responsibilities

• Design, develop, and operate full stack cloud solutions and services in an AWS Cloud Environment using a serverless-first approach (React, TypeScript, AWS Lambda, Node.js, Serverless Framework).
• Write clean, maintainable, and efficient code following industry best practices.
• Develop UI interfaces with React (hooks, functional components, context), with a command of component composition, state management patterns, and render lifecycle.
• Define application infrastructure using an Infrastructure-as-Code (IaC) approach, primarily with Terraform.
• Provide hands-on technical contribution throughout the development lifecycle, with a focus on delivering high-quality solutions.
• Maintain DevOps processes and deployment pipelines to support application implementation and releases.
• Support system migrations to the cloud by refactoring legacy systems and modernizing applications.
• Collaborate with product managers and UX designers to align engineering efforts with business goals.
• Take ownership of end-to-end feature development, from ideation to deployment and continuous improvement.
• Mentor team members in technical decision-making, code reviews, and adherence to engineering standards.

Required Qualifications
Experience:

• 5+ years of experience developing and architecting full-stack solutions, with use of software build and deployment tools (e.g., Jenkins, Git, GitLab, CI/CD pipelines).
• 5+ years of experience in application and backend API development using object-oriented programming (Java, Python, TypeScript).
• 5+ years of web application development experience with React.

Technical Skills:

• Strong understanding of AWS serverless solutions (e.g., S3, CloudFront, API Gateway, Lambda, SQS, EventBridge).
• Experience with cloud database services (DynamoDB, Snowflake).
• Experience with containerization (Snowpark Container Services, Docker, AWS ECS/Fargate).
• Experience with Infrastructure-as-Code (IaC) tools such as Serverless Framework, AWS CloudFormation, and Terraform.
• Foundational knowledge of cloud services and infrastructure in AWS.
• Knowledge of event-driven and service-oriented architectures.
• Experience working in Agile development environments.

Preferred Qualifications

• Proficiency in relational databases (DB2, Redshift), database concepts, and dimensional modeling.
• AWS Certification (AWS Solution Architect Associate, AWS Developer, AWS DevOps).
• Snowflake Certification.

Education
A Bachelor's degree in computer science, engineering, management information systems, or equivalent education is required. Candidates with professional experience in lieu of a formal degree are also encouraged to apply.
Compensation & Benefits
The pay rate for this position is between $70.00 and $80.00 per hour. Please note that this is a contract role and benefits may differ from full-time positions.
EEO Employer
Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.
Apex uses a virtual recruiter as part of the application process. Click for more details.
If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at or .
Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.
Everforth Apex uses a virtual recruiter as part of the application process. Click for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at
Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Everforth Apex team member can provide.
Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.
If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at or . Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.
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