Backend Developer Jobs in Chicago, IL

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Lead Backend developer

Vankay Systems

•

Bolingbrook, Illinois, USA

Contract, Third Party

Job Title: Backend Lead Hiring Mode: Contract Long Term Location: Bolingbrook, IL [On-site] Skills Matrix Skill Last Used Experience in Years/month Rating (10 points) 1 = newbie 10 = expert Hands on Exp. Yes/No Reactive java programming Kafka NoSql database Design patterns Kubernetes Job description: The Technical Lead will be responsible for leading a team of developers working with Java, Spring Boot, and MongoDB. The primary objective is to oversee the technical aspects of project delivery, e
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Posted 16 hours ago

Node.JS Backend Developer (Working hour on w2)

TOPSYSIT

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Chicago, Illinois, USA

Contract, Third Party

Node.js Backend Developer Chicago, IL/Hybrid Backend (Node.JS) Senior Developer JD Interview requirement: Client will do one interview of 2 hours, where the candidate will be on video at all times and expected to mostly work on coding tests so please make sure candidates are fluent in coding. Contractor's Role: We are looking rockstar back-end web developer with proficiency in NodeJS running on Azure to help us drive the next-phase of our SLA-management web application. The candidate should be
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Posted 17 days ago

Senior Cloud-Native Back-End Developer / Illinois

DATAMAXIS, Inc

•

Northfield, Illinois, USA

Full-time

About the Role We are 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 e-commerce platform, integrating with cutting-edge SaaS solutions, and ensuring systems are designed for resiliency, reliability, and operational excellence. As a senior team member, you will drive technical design decisions, mentor junior developers, and embed Site Reliabili
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Posted 34 days ago | Updated 3 hours ago

Backend Platform Developer

Request Technology, LLC

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Oak Brook, Illinois, USA

Full-time

Backend Platform Developer C#, .NET Salary: Open Location: Oak Brook, IL Hybrid: 3 days onsite, 2 days remote *We are unable to provide sponsorship for this role* *This role is not open for C2C* Qualifications Bachelor's Degree5+ years of job-related experience as defined in the Essential Duties and ResponsibilitiesExperience in creating technical documentation is requiredExperience with Microsoft technology stack, including .NET, C#, Azure, AWS, SQL, Visual StudioExperience with GIT, No SQL dat
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Posted 55 days ago | Updated 4 days ago

Senior Backend Developer - IT (IoT)

United Airlines

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Chicago, Illinois, USA

Full-time

Description United's Digital Technology team is comprised of many talented individuals all working together with cutting-edge technology to build the best airline in the history of aviation. Our team designs, develops and maintains massively scaling technology solutions brought to life with innovative architectures, data analytics, and digital solutions. Job overview and responsibilities The Senior Software Developer will be responsible for the development of critical applications within Above T
Posted 30 days ago | Updated moments ago

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
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Posted 14 hours ago

Sr Cloud Native Backend Developer

Medline Industries, LP

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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
Posted 60+ days ago | Updated 9 hours ago

Healthcare Backend Developer (Python, AWS, Lambda) Experience

Floga technologies

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Remote

Contract

Title: Healthcare Backend Developer (Python, AWS, Lambda) Experience Location: 100% Remote Rate $55/hr on c2c Duration: Long Term Mandatory Skills: Backend Developer with Python, AWS, Lambda Experience Required Skills: 8+ years of experience in software development, with a focus on backend development Proficiency in Python, AWS, and Lambda Experience with AWS services (e.g., EC2, S3, Lambda, API Gateway) Knowledge of database management systems (e.g., MySQL, MongoDB) Understanding of RESTful API
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Posted 3 days ago

Backend Java Developer

BGI, LLC

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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
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Posted 60+ days ago | Updated 4 days ago

.NET Backend Developer

Neo Prism Solutions, LLC

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Remote

Contract

Job Title: .NET Backend Developer with Azure Remote Job Description: We are looking for a .NET Backend Developer with experience in Microsoft Azure. The candidate should be skilled in C#, .NET Core, and building APIs. Experience with Azure services like App Services
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Posted 4 days ago | Updated 19 hours ago

Sr Back End Developer

Confidential Company

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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!
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Posted 60+ days ago | Updated 7 days ago

Java Backend Developer

SAR TECH LLC

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Remote or Sunnyvale, California, USA

Third Party, Contract

Job Title: Java Backend Developer Location: Sunnyvale, CA (Hybrid 2-3 days onsite) Duration: Long-term Contract Rate: $65/hr on C2C Visa: Open to All Visa Types Client: TBD Job Description: We are seeking a talented and experienced Java Backend Developer with strong expertise in building scalable and maintainable microservices using Java and Spring Boot. The ideal candidate should have 7+ years of backend development experience, including designing REST APIs, working with relational and NoSQL d
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Posted 10 days ago

Senior Back End Python Developer

Grainger

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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
Posted 35 days ago | Updated moments ago

.NET BACKEND DEVELOPER-REMOTE

Neo Prism Solutions, LLC

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Remote

Full-time

Job Title: .Net Backend Developer Location : Remote Job Type: Contract SKILLS/EXPERIENCE REQUIREMENTS Experience with the Microsoft .NET platformStrong .NET Core (C#) experience with Web Services/API's, HTML/CSS (Bootstrap)Demonstrated proficiency with SQL, stored procedures, and database designThorough understanding of object-oriented development (OOD), Domain driven design, including an in-depth knowledge of implementing RESTful, micro services design patterns and architecturesStrong experien
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Posted 4 days ago | Updated 20 hours ago

Senior Back-End Developer

Maximus, Inc.

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Remote

Full-time

Description & Requirements Maximus is seeking a Senior Back-End Developer to join our team! The Senior Back-End Developer provides subject matter proficiency for work described in the task. Responsible for providing analytical skills to support process improvement, specialized studies, and definition of requirements. Typical duties include analysis, planning, developing requirements documents, building functional models, developing procedures, developing functional architectures, and other relat
Posted 18 days ago | Updated 1 hour ago

Senior Back End Developer

Logisoft Technologies Inc

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Remote

Third Party, Contract

Role: Senior Back End Developer Location: Albany, NY (100% REMOTE) Duration: 12 Months Contract Experience: 12+ Years Note: Need Candidates with Lottery, Gaming & Casino Industry experience Required Skills: JavaScript, TypeScript, Amazon API Gateway, AWS Lambda, Amazon DynamoDB, Amazon RDS, Amazon Cognito, ID Dataweb Responsibilities: The Senior Back End Developer will support a variety of web services and integrations in Amazon Web Services. The applications include Single-Sign-On with identi
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Posted 21 days ago

Senior Software Engineer I (Backend Developer)

Walgreens

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Deerfield, Illinois, USA

Full-time

Job Description Job Summary : Seasoned, experienced professional with a full understanding of area of specialization, who will perform and implement activities that impact components/ processes of specified functional areas of the Walgreens Digital/Online application. Anticipates and prevents problems and roadblocks before they occur. Typically assigned to important / complicated undertakings. Implements activities that generally impact important components / processes of the work of own unit
Posted 60+ days ago | Updated moments ago

Python Backend Developer - EST

Reveille Technologies

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Remote

Contract

Role: Python Backend Developer - EST Location: Remote Years of Experience: 10+ years Job Description API Development and Integration:o Design and implement RESTful or Graph QL APIs. o Integrate third-party services and APIs. Database Management:o Design and optimize database schemas. o Write efficient queries and manage database migrations. o Ensure data integrity and security. Server-Side Logic:o Implement business logic and algorithms. o Handle server-side processing and computations. Security
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Posted 18 days ago

Software Engineer, Backend ( Developer Experience - Server Foundations)

Coinbase

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Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's 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, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the
Posted 53 days ago | Updated moments ago

Java Backend Developer

Randstad - Torc

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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
Posted 60+ days ago | Updated 6 days ago