Backend development Jobs in Chicago, IL

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21 - 40 of 223 Jobs

Sitefinity Developer

Innosoul inc

•

Remote

Contract, Third Party

Job ID: NC-765767 Remote Sitefinity Developer (12+) with .net, MVC, Power Platform/Dynamics, agile, TPC and Azure DevOps experience Location: Raleigh, NC (NCDEQ-ITS) Duration: 12 Months Position: 1(2) This position will work remotely for the duration of the engagement. Skills: Sitefinity development Required 3 Years Sitefinity 14.x administration Required 3 Years Standards-based .Net development experience Required 5 Years MVC development experience Required 5 Years Integrate portal with an EPA
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Posted 4 days ago

Java Backend developer

Cosmic-I LLC DBA Northern Base

•

Chicago, Illinois, USA

Contract

Job Title: Java Backend developer Location: Chicago, IL (100% Onsite) Job Type: W2 Contract Duration: 10 months Required Education Bachelor s degree in Computer Science, Electrical Engineering, or related field. Preferred Education Master s degree (reduces required experience to 6+ years). Required Skills 8+ years (or 6+ with Master s) of software development experience. Java 17 (designing, developing, deploying at scale). Cloud/DevOps: AWS/Azure, CI/CD (Jenkins, Azure DevOps). Databases: Rela
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Posted 4 days ago

Software Engineer, Backend

West Coast Consulting LLC

•

Remote

Full-time

Job Description REMOTE JOB DESCRIPTION We're looking for a skilled Senior Backend Engineer (Contractor) to join our GraphQL API platform team. In this role, you'll focus on migrating legacy Python services to Go within our GraphQL API services. Experience with GraphQL, including GraphQL Federation and Apollo Router, is a strong plus. You'll use internal tools and processes developed by the GraphQL team to accelerate our migration from Python to Go. We're seeking someone who thrives in a fas
Posted 32 days ago | Updated 2 hours ago

C# Software Developer

Zachary Piper Solutions, LLC

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Remote

Full-time

Piper Companies is seeking a C# Software Developer to join a leading shipping and logistics organization. The C# Software Developer will work on backend development, automate workflows, and assist in designing cloud-based applications, with an emphasis on data. Responsibilities of the C# Software Developer include: Lead the design, development, testing, and deployment of .NET C# applications. Architect complex data structures for rate audits of parcel carrier invoice files. Design, develop, an
Posted 33 days ago | Updated 8 days ago

Application Developer with Java/GoLang/Rclone

Central Business Solutions

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Remote

Contract, Third Party

Role Overview: Front-end application development using React Connecting to / integrating with OneDrive and WorkDocs Building, testing, and deploying APIs Creating "jobs to transfer files: Java, AWS: DynamoDB, Step Functions, Lambda, CDK Depth of experience required for Rclone ( Proficient Depth of experience required for GoLang ( Proficient Re: "oauth application proxy GoLang and AWS CDK Required Skills: Experienced backend development with Java and GoLang Experience developing REST APIs with E
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Posted 26 days ago | Updated 26 days ago

Node.JS Developer

Loginsoft Consulting LLC

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Remote

Contract

Position: Node.JS Developer Location: Remote Duration: 12+ Months Note: "A Consultant should work in the EST time zone." Required Skills: 5+ years of professional experience in backend development with Node.js.Strong understanding of JavaScript, TypeScript, and modern backend frameworks (Express.js, Nest.js, etc).Experience building and integrating with RESTful API s and MicroServices.Familiarity with cloud platforms such as AWS, Azure, or Google Cloud Platform.Strong problem-solving skills and
Posted 60+ days ago | Updated 22 hours ago

Sitefinity Developer - Remote

VIVA USA INC

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Remote

Contract

Title: Sitefinity Developer - Remote Mandatory skills: Sitefinity, Sitefinity Web Portal, Sitefinity development, Sitefinity 14.x administration, .Net, MVC, TPC, DevOps, Azure DevOps, deployment pipeline, systems, applications, authentication services, agile, agile development, iterative development, front end development, backend development, MS Power Platform, Dynamics, business analysis, technical stack, technical process Description: The client is the lead stewardship agency for the protec
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Posted 4 days ago

Senior Cloud Native Full Stack Developer

Medline Industries, LP

•

Northfield, Illinois, USA

Full-time

Job Summary About the Role Medline is seeking a highly experienced Senior Cloud-Native Full Stack 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, reliability, and operational excellence. As a senior team member, you will drive technical design decisions, mentor junior develope
Posted 60+ days ago | Updated 11 hours ago

Senior Python Developer / Remote / Cloud & Microservices

Motion Recruitment Partners, LLC

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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
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Posted 7 days ago | Updated 10 hours ago

Full Stack Engineer

Irvine Technology Corporation (ITC)

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Remote or Brookhaven, Georgia, USA

Contract

Full-Stack Engineer Our client is seeking a dynamic and forward-thinking engineer to lead the design and development of cutting-edge interoperability platforms. This role is ideal for someone who thrives on full lifecycle ownership from ideation to production and is passionate about connecting systems across hybrid environments. You ll be instrumental in shaping scalable, secure, and innovative solutions that drive integration and performance across platforms. Location: RemoteDuration: 1 year
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Posted 6 days ago | Updated 2 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 49 days ago | Updated 22 hours ago

Backend Software Engineer

Pinterest, Inc.

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Remote or San Francisco, California, USA

Full-time

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we're on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other's unique experiences and embrace the flexibility
Posted 43 days ago | Updated 2 hours ago

Principal Engineer, Backend

Harman International

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Texas, USA

Full-time

A Career at HARMAN As a technology leader that is rapidly on the move, HARMAN is filled with people who are focused on making life better. Innovation, inclusivity and teamwork are a part of our DNA. When you add that to the challenges we take on and solve together, you'll discover that at HARMAN you can grow, make a difference and be proud of the work you do every day. About the Role Join our team as a Backend Engineer and help us build the backend systems for a revolutionary new music discov
Posted 33 days ago | Updated 2 hours ago

Lead Platform Engineer - Commercial Security Solutions

ECOLAB

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Naperville, Illinois, USA

Full-time

Ecolab has a unique opportunity Lead Platform Engineer - Commercial Security Solutions to join the global leader in water, hygiene, energy technologies and services in a role that allows for a direct impact on conserving vital resources and protecting the people we serve. The Ecolab Industrial sector has been a leader in utilizing IIoT solutions to deliver exceptional value and services to our customers. The Lead Platform Engineer - Commercial Security Solutions will be a leader in global deplo
Posted 51 days ago | Updated 2 hours ago

Senior Backend Software Engineer

Pinterest, Inc.

•

Remote or San Francisco, California, USA

Full-time

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we're on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other's unique experiences and embrace the flexibility
Posted 43 days ago | Updated 2 hours ago

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
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Posted 8 days ago | Updated 10 hours ago

Backend Product Software Engineer, Product Trust

Dropbox Inc

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Remote

Full-time

Role Description As a Software Engineer on the Product Trust team at Dropbox, you will play a critical role in building scalable and intelligent security solutions to detect and prevent abuse, enhance behavioral intelligence, and protect user trust. You will design, develop, and optimize systems that leverage data-driven insights, real-time detection mechanisms, and machine learning models to identify and mitigate threats. Working closely with security, ML, and data teams, you will drive innova
Posted 24 days ago | Updated 2 hours ago

Core Java and SQL / Remote / Construction Planning Software

Motion Recruitment Partners, LLC

•

Remote or Boston, Massachusetts, USA

Full-time

Join a small, agile team building a highly scalable, cloud-based backend powering complex data-driven web applications. This is a great opportunity for a backend engineer with strong Java and SQL expertise who thrives in a startup-like environment and enjoys tackling performance-heavy challenges. This is an opportunity to work side-by-side with the Chief Software Architect on a lean team driving architecture and core functionality. You'll be writing highly concurrent Java code and building syste
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Posted 50 days ago | Updated 10 hours ago

Health IT Specialist/Healthcare professional

CMCI

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Remote

Full-time

Job Description: Health IT Specialist Position Title: Health IT Specialist Location: Remote / Fairfax, Virginia (Headquarters) Company: CMCI (;/p>Reports To: Chief Strategy & Innovation Officer Employment Type: Full-time Salary: Depends upon Exp. About CMCI CMCI is a dynamic and innovative Women-Owned Small Business headquartered in Fairfax, Virginia. We are committed to delivering high-quality solutions related to science, technology, and policy. Our team's dedication to enhancing national secu
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Posted 6 days ago

Lead C++ Developer with .Net

Photon

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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
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Posted 26 days ago | Updated 11 hours ago