Senior Full Stack Software Engineer

Work Location Type: Hybrid Req Number 333037 About Grainger W.W. Grainger, Inc. is a leading broad line distributor with operations primarily in North America and Japan. At Grainger, We Keep the World Working® by serving more than 4.6 million customers worldwide with maintenance, repair and operating (MRO) products and value-added solutions delivered through innovative technology and deep customer expertise. Known for its commitment to service and purpose-driven culture, the Company reported 2025 revenue of $17.9 billion. For more information, visit Compensation The anticipated base pay compensation range for this position is $112,900.00 – $188,100.00. This role is eligible for an incentive target of up to 10 % or $ , based on the achievement of individual and company performance objectives in accordance with the current terms of the incentive program which are subject to change. Rewards and Benefits With benefits starting on day one, our programs provide choice and flexibility to meet team members' individual needs, including: Medical, dental, vision, and life insurance plans with coverage starting on day one of employment and 6 free sessions each year with a licensed therapist to support your emotional wellbeing. 18 paid time off (PTO) days annually for full-time employees (accrual prorated based on employment start date) and 6 company holidays per year. 6% company contribution to a 401(k) Retirement Savings Plan each pay period, no employee contribution required. Employee discounts, tuition reimbursement, student loan refinancing and free access to financial counseling, education, and tools. Maternity support programs, nursing benefits, and up to 14 weeks paid leave for birth parents and up to 4 weeks paid leave for non-birth parents. For additional information and details regarding Grainger’s benefits, please click on the link below: Grainger Benefits The pay range provided above is not a guarantee of compensation. The range reflects the potential base pay for this role at the time of this posting based on the job grade for this position. Individual base pay compensation will depend, in part, on factors such as geographic work location and relevant experience and skills. The anticipated compensation range described above is subject to change and the compensation ultimately paid may be higher or lower than the range described above. Grainger reserves the right to amend, modify, or terminate its compensation and benefit programs in its sole discretion at any time, consistent with applicable law. Position Details A rapidly growing team at Grainger is focusing on transforming a variety of transactional and operational data, to support the development of new analytical tools and services aimed at providing all of our users, both Customers and Sellers, with reporting, analytics, and actionable insights that save them time and money; resulting in deeper customer relationships and increased market share. #StartWithTheCustomer You will contribute to the development of our React front end, a variety of JVM APIs, and Python ETL scripts that support our analytics and insights applications. You will play an important part in defining the strategy of the team, evaluating, integrating data and technologies, and building Front End and/or APIs alongside domain experts. You are a thoughtful observer who enjoys investigating business problems and building full stack solutions that address them. You are an avid and patient communicator, able to convince collaborators of the value of your position, but also compromise at times to yield greater benefit to stakeholders. You will report to the Product Engineering Manager and can be based in Lake Forest or Chicago, IL on a hybrid basis. Full-time remote candidates are also encouraged to apply. Some travel will be required for team meetings at our corporate offices. This position is not eligible for any form of sponsorship now or in the future. Individuals requiring sponsorship (e.g. OPT or H1B visa status) should not apply. Only individuals authorized to work in the United States now and for the foreseeable future will be considered for this position. You will Develop, test, and deploy high-quality web applications using React, Next.js for the front end, and Java and/or Python for the back end. Collaborate with product managers and designers to understand user requirements and translate them into technical specifications. Build and utilize reusable and scalable components and libraries. Recognize trends and emerging technologies and evaluate the performance and applicability of potential tools for our requirements. Optimize applications and services for maximum speed, scalability, and reliability. Write clean, maintainable, and efficient code following best practices and coding standards. Troubleshoot, debug, and optimize existing systems to improve performance. Integrate with RESTful APIs and third-party services. Deploy code using GitHub Actions (CI/CD pipelines) Promote effective team practices, shape team culture, and engage in active mentoring. Work in a collaborative team environment with a focus on continuous improvement and learning, applying teamwork skills such as empathy, engagement, mentoring, knowledge sharing, and constructive feedback. Collaborate with engineering teams to effectively apply agentic AI tooling across software development, CI/CD, and engineering process improvement initiatives. You have Bachelor’s degree in Software Engineering, related degree, or relevant work experience. 5+ years of experience with Modern Software Engineering projects and practices: designing, building, and deploying scalable software applications. 5+ years of experience in designing, building, and deploying cloud native solutions using AWS or GCP Proficiency in modern front-end development using ReactJS Solid experience with NodeJS (NextJS), Java (Spring), or Python for developing APIs Proficiency in containerized application development and orchestration using Docker and Kubernetes An evolving understanding of AI tooling and the ability to apply it to automate tasks, improve workflows, and accelerate delivery. Build automation, continuous integration/deployment, and automated monitoring. Proficiency in RESTful API design. The ability to communicate complex concepts in writing and as diagrams Understanding of distributed system design and experience building production grade systems. Experience with data technologies such as PostgreSQL, Snowflake, or Kafka Experience with a visualization library such as chart.js Proficient in TDD practices and testing frameworks. Familiarity with Terraform, Git, and Agile/Scrum methodologies Proven experience collaborating across teams to develop and implement software engineering best practices. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex (including pregnancy), national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or expression, protected veteran status or any other protected characteristic under federal, state, or local law. We are proud to be an equal opportunity workplace. We are committed to fostering an inclusive, accessible work environment that includes both providing reasonable accommodations to individuals with disabilities during the application and hiring process as well as throughout the course of one’s employment, should you need a reasonable accommodation during the application and selection process, including, but not limited to use of our website, any part of the application, interview or hiring process, please advise us so that we can provide appropriate assistance.