Junior Full Stack Engineer

Junior Full Stack Developer – Python, React & AI Location: Park Ridge, IL Work Arrangement: Onsite – 4 Days/Week (Looking for individuals based in IL Only) Experience: 0–4 Years Employment Type: Full-Time($40K Salary, Open to candidates looking for Sponsorship) About the Role Peterson Technology Partners (PTP) is looking for a Junior Full Stack Developer to join our growing technology team in Park Ridge, IL. This is an exciting opportunity for a developer who enjoys building modern applications and wants hands-on exposure to AI/LLM technologies. You will work across the full technology stack, developing applications with Python, React.js, PostgreSQL, AWS, and AI technologies such as Anthropic Claude. What You’ll Do Build responsive and scalable frontend applications using React.jsDevelop backend APIs and services using Python/FastAPIDesign, query, and maintain PostgreSQL databasesDeploy and maintain applications in AWSIntegrate Claude and other LLM APIs into AI-powered applicationsTroubleshoot, test, and continuously improve applicationsCollaborate with developers, designers, and product teamsContribute to the development of AI-enabled products and solutionsWhat We’re Looking For 2–4 years of full-stack development experienceStrong hands-on experience with Python, React.js, and PostgreSQLExperience building and consuming REST APIsWorking knowledge of GitBasic hands-on experience with AWSExperience or familiarity with Claude, LLM APIs, prompt engineering, or AI applicationsStrong problem-solving and communication skillsAbility to work onsite in Park Ridge, IL, 4 days per weekNice to Have FastAPITypeScriptRAG (Retrieval-Augmented Generation)Vector databasesAI agents / Agentic AIExperience building AI-powered applicationsWhy PTP? Peterson Technology Partners (PTP) is an AI-first IT staffing, consulting, and technology solutions company with more than 28 years of experience helping organizations build teams and technology that move enterprises forward. Headquartered in Park Ridge, IL, PTP has a team of 500+ employees and consultants and works across IT staffing, IT consulting, project-based services, global delivery, and AI-powered technology solutions. At PTP, you'll have the opportunity to work in an environment where technology, AI, and innovation are at the center of what we do. About The Company 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 opportunitiesAs 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 and support our recruiting team in evaluating candidate responses. AI tools are used to support the hiring process and do not replace human decision-making. Candidates will be provided with appropriate information about the process and how their data is handled.