Back-End Engineer Jobs in Chicago, IL

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Remote Backend Developer (EST)

Find Great People

Remote

Full-time

Ideal Background: 4+ years of experience focused on backend development for web-based applications Strong communication skills, both written and verbal, in English Detail-driven and well-organized, with a proactive mindset Core Technical Strengths: Advanced hands-on development using Node.js and TypeScript Solid understanding of object-oriented design and architecture principles Skilled in working with APIs, including REST and GraphQL Practical experience with Shopify Plus, including working wit

Sr Backend Developer - Golang, Python, Blockchain

SES

Remote

Full-time

Sr Backend Developer - Golang, Python, Blockchain Top 4 Technical Skills: Experience using the following Tech Stacks: Golang; Python; and NodeJS Familiarity with backend databases: SQL, PostgreSQL, or MongoDB Understanding of cryptography, consensus algorithms, and other core concepts of blockchain technology Familiarity with Private Blockchain as well as Public platforms such as Ethereum, Hyperledger, and/or Corda Top 3 Soft Skills: Outstanding Communications Collaboration Proven ability to

Principal Software Engineer, Observability (Backend)

Splunk Inc.

California, USA

Full-time

Description Splunk, a Cisco company, is building a safer and more resilient digital world with an end-to-end full stack platform made for a hybrid, multi-cloud world. Leading enterprises use our unified security and observability platform to keep their digital systems secure and reliable. Our customers love our technology, but it's our caring employees that make Splunk stand out as an amazing career destination. No matter where in the world or what level of the organization, we approach our wor

Sr Software Engineer

Medline Industries, LP

Northfield, Illinois, USA

Full-time

Job Summary Job Description Job Title: Senior Software Engineer Location: Northfield Department: E-Commerce IT Team Employment Type: Full-Time About the Role Medline is seeking a highly experienced Senior Cloud-Native Back-End Developer to lead the design and implementation of scalable, resilient, and high-performance applications. This role is pivotal in modernizing Medline's e-commerce platform, integrating with cutting-edge SaaS solutions, and ensuring systems are designed for resiliency

Sr Back End Developer

Confidential Company

Remote

Contract

We are an award-winning team of very trusted and respected technologists looking for a senior back end developer to join our team for a 100% remote project. Must have deep expertise in back end development and API development, with solid understanding of Python and interested in working doing general app/web dev with Python. This is a contract role, paid hourly c2c, and can be 20 hours per week, 30 hours per week, or 40 hours per week. Sound like a fit? Let's talk!

Backend Java Developer

BGI, LLC

Remote

Full-time

Position Summary BGI is seeking a skilled and motivated Backend Java Developer to join our growing engineering team. In this role, you will be responsible for designing, developing, testing, deploying, and maintaining the server-side logic and APIs that power an automated material tracking platform. You will leverage your expertise in Java and the Spring Framework to build high-quality, high-performance, and reliable backend services. You will collaborate closely with front-end developers, produ

Senior Back End Python Developer

Grainger

Lake Forest, Illinois, USA

Full-time

Work Location Type: Hybrid About Grainger: W.W. Grainger, Inc., is a leading broad line distributor with operations primarily in North America, Japan and the United Kingdom. At Grainger, We Keep the World Working by serving more than 4.5 million customers worldwide with products and solutions delivered through innovative technology and deep customer relationships. Known for its commitment to service and award-winning culture, the Company had 2024 revenue of $17.2 billion across its two busines

Backend Developer

TEKsystems c/o Allegis Group

Chicago, Illinois, USA

Full-time

KEY RESPONSIBILITIES PIM System Management: Manage, maintain, and optimize the company's PIM system through configurations, low-coding and development work to ensure high performance and reliability. Platform development: Develop and maintain backend platforms that facilitate the integration of PIM data with ERP, CRM, and other internal and external systems that consume or produce product data. Data integration: Design, implement, and manage APIs for the PIM software and data pipelines to ensure

Senior Python Developer / Remote / Cloud & Microservices

Motion Recruitment Partners, LLC

Remote or San Francisco, California, USA

Full-time

Job Description Join a globally recognized leader in the entertainment and media industry for a fully remote, long-term contract role focused on impactful backend development. Known for its cutting-edge technology, strong developer-first culture, and commitment to work-life balance, this company is looking to bring on a Senior Python Backend Engineer to join its high-impact platform team. You'll be contributing to the architecture and development of highly scalable backend systems, APIs, and s

Senior Python Developer / AWS / Fully-remote

Motion Recruitment Partners, LLC

Remote or Los Angeles, California, USA

Full-time

Job Description This is a fully remote, long-term contract opportunity with a major global enterprise operating in the entertainment and media space. The company is known for its innovative tech stack, strong developer culture, and commitment to employee well-being. They're currently seeking a Senior Python Backend Engineer to join their high-impact platform team working on scalable backend systems, APIs, and serverless cloud infrastructure. This is a rare opportunity to work behind-the-scenes

Backend Developer Level 2

Kforce Technology Staffing

Remote or Cincinnati, Ohio, USA

Contract, Third Party

RESPONSIBILITIES: Kforce has a client that is seeking a Backend Developer Level 2 in Cincinnati, OH. Summary: We're looking for a skilled Backend Developer to join the Supply Chain Strategic Operations Support (SCSOS) team, which owns the full DevSecOps responsibilities for four enterprise applications. This role is essential to the long-term support and enhancement of applications that require 24x7 availability. You'll play a key role in the design, development, and maintenance of scalable bac

Lead C++ Developer with .Net

Photon

Remote

Contract, Third Party

Lead C++ Developer with C# and .Net Core Remote We are seeking a hands-on Lead Backend Engineer to help build a new Futures Commodity Commissions Market (FCM) platform a greenfield, regulated financial trading product focused on binary sports prediction markets. This is a rare opportunity to shape the architecture and implementation of a federally regulated financial system from the ground up. You'll be responsible for designing and developing core backend services for a compliant, low-latency t

Java Backend Developer

Randstad - Torc

Remote

Contract

We are looking for a Java Backend Developer to join our team! You will be responsible for designing, developing, and maintaining scalable and high-performance backend systems. If you are passionate about backend development, microservices, and cloud-based applications, this is the right opportunity for you! ResponsibilitiesDesign, develop, and maintain high-performance backend applications using Java.Implement RESTful APIs and integrate with external services.Work with microservices architecture

.Net Backend Lead

Photon

Remote

Contract, Third Party

.Net Backend Lead Developer Remote We are seeking a hands-on Lead Backend Engineer to help build a new Futures Commodity Commissions Market (FCM) platform a greenfield, regulated financial trading product focused on binary sports prediction markets. This is a rare opportunity to shape the architecture and implementation of a federally regulated financial system from the ground up. You'll be responsible for designing and developing core backend services for a compliant, low-latency trading platfo

Principal Platform Engineer, Materia AI

Thomson Reuters U.S. Inc.

Remote or Eagan, Minnesota, USA

Full-time

Principal Platform Engineer, Materia AI Are you excited about building AI-driven software that redefines how professionals work? Join a dynamic and highly skilled team at Thomson Reuters, where we combine the agility and innovation of a startup with the stability and resources of a global leader. As a Principal Platform Engineer, you will lead the design, development, and evolution of our next-generation cloud-native platforms. You will drive technical strategy, foster engineering excellence,

Sr Cloud Native Backend Developer

Medline Industries, LP

Northfield, Illinois, USA

Full-time

Job Summary Job Description Job Title: Senior Cloud-Native Back-End Developer Location: Northfield Department: E-Commerce IT Team Employment Type: Full-Time About the Role Medline is seeking a highly experienced Senior Cloud-Native Back-End Developer to lead the design and implementation of scalable, resilient, and high-performance applications. This role is pivotal in modernizing Medline's e-commerce platform, integrating with cutting-edge SaaS solutions, and ensuring systems are designed

Data / Reporting Analyst

Vaco by Highspring

Remote

Full-time

Were currently searching for a report developer with outstanding programming skills and a strong analytical mindset to help set our client up for success. Your responsibilities will include creating, testing, documenting, and maintaining new and existing systems for our projects in accordance with needs and specifications. Youll be heavily involved in the conception phase with our department heads to get a feel for the exact requirements and expectations. The ideal candidate will provide accura

Engineering Manager - Platform

Vaco by Highspring

Remote

Full-time

Engineering Manager - Platform - Developer Experience Ready to be pushed beyond what you think youre capable of? Our mission is to increase economic freedom in the world. Its a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform and with it, the future global financial system. To achieve our mission, were seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and

Android Developer

Vuesol Technologies Inc.

Chicago, Illinois, USA

Full-time

Job Title: Android Developer Location: Onsite Chicago IL Duration : Long Term Job Description: Key Responsibilities:Design, develop, and deploy advanced Android applications in alignment with business needs.Collaborate with cross-functional teams including UI/UX designers, backend engineers, QA, and product managers.Ensure the performance, quality, and responsiveness of applications across a wide range of Android devices.Identify and correct bottlenecks and fix bugs to improve application reliab

Lead Java Back End and Angular Developer - C13 - IRVING

Citi

Remote or Irving, Texas, USA

Full-time

The Back End Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities: Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and pro