Back End Developer Jobs in Chicago, IL

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101 - 120 of 241 Jobs

Backend Engineer

Accroid Inc

•

Remote or Dallas, Texas, USA

Contract, Third Party

Remote Backend Engineer Texas In-person Interview required AI/ML Experience a big plus especially LLaMA, Vertex AI, SageMaker, AzureML, etc. VERY proficient in SQL - able to write debug and optimize queries and like working in it. Node.js : React and Next.js PostgreSQL DevOps / IaaC/ cloud Infrastructure Design, architect, and implement robust APIs and services using Node.js, PostgreSQL, and Redis Optimize complex SQL queries and schemas to ensure lightning-fast performance across large datase
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Posted 17 days ago | Updated 17 days ago

Senior, Software Engineer | Backend | Personalization | Sunnyvale

Walmart Inc.

•

Remote or Bentonville, Arkansas, USA

Full-time

Position Summary What you'll do **Immigration sponsorship is not available in this role.** Walmart Global Tech is looking to hire a seasoned Backend Senior Software Engineerfor Personalization team. If you are an engineer who comes with both strong back-end & front-end devlopment background & are passionate about solving problems at scale, feel free to apply! About Team: Our team works closely with our US stores and eCommerce business to better serve customers by empowering team members, st
Posted 27 days ago | Updated 8 hours ago

Senior Manager, Software Engineering, Back End

Capital One

•

Chicago, Illinois, USA

Full-time

Senior Manager, Software Engineering, Back End Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who love to solve real problems and meet real customer needs. We are seeking Back End Software Engineers who are passionate about marrying data with emerging technologies. As
Posted 30 days ago | Updated moments ago

Backend Engineer

Imperial Partners Group

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Remote

Full-time

Requirements: Multiple roles available from 2-15 years of experience most companies have been tech agnostic, however experience with Java or python is a bonus!Comp: $120-160K
Posted 25 days ago

Backend Developers (Python, SQL, Starrocks) - Remote

FlairTech Solutions

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Remote

Full-time, Third Party

Role: Backend Developers Location: Remote Starrocks experience would be great - it is a little niche so any understanding of open-source , Airflow, Open-shift, Kubernetes experience is needed. -SQL -Python -API -Microservices -Cloud (Azure, Snowflake, Google Cloud Platform) -GraphQL
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Posted 15 hours ago | Updated 15 hours ago

Senior 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 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 14 days ago

React Developer

Stellar IT Solutions

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Remote or Ann Arbor, Michigan, USA

Full-time, Part-time, Contract, Third Party

Job Title: React Developer Location: Remote Job Duration: 6+ Months Interview: Video Job Description: We are seeking a Mid to Senior-Level React Developer to support a legacy application modernization project. The role involves rewriting components of an existing WebForms application into a modern tech stack using React with TypeScript and a .NET Core API. The ideal candidate will be comfortable navigating legacy code and helping transition to the new architecture, with a strong focus on fro
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Posted 5 days ago | Updated 1 hour ago

Golang -Backend Engineer

SES

•

Remote

Contract

Top 5 Technical Skills: Experience using the following Tech Stacks: Golang; Python; and NodeJSUnderstanding of cryptography, consensus algorithms, and other core concepts of blockchain technologyFamiliarity with Private Blockchain as well as Public platforms such as Ethereum, Hyperledger, and/or CordaTop 3 Soft Skills: Outstanding CommunicationsCollaborationProven ability to work with Vendors and External PartnersJob Description: The Backend Engineer is responsible for the development and implem
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Posted 14 hours ago

Backend Engineer (Python)

LanceSoft Inc.

•

Remote

Contract

Key Requirements: Experience:4+ years of software development experience. If more experience, then they will go senior level title)Must have a BS degree in Computer Science or related fieldTechnical Skills:Python Strong experience (must-have)Data Structures & Algorithms RequiredAWS Practical experience requiredAI/ML:Prior ML experience (even if older) and at least 6 months of hands-on GenAI experience or solid exposureExperience working in a Generative AI-focused Soft Skills:Strong communication
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Posted 4 days ago | Updated 12 hours ago

BACKEND ENGINEER/ UI SOLUTION ARCHITECT

SUNRAY INFORMATICS

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Remote

Contract, Third Party

Hi Professionals, We have an immediate openings for the below role, If interested please apply. Job Title: BACKEND ENGINEER/ UI SOLUTION ARCHITECT Type :C2CInterview: Telephonic & RemoteJOB RESPONSIBILITIESOVERALL EXPERIENCE 12YRS+ We are seeking a Senior Backend Engineer / Solutions Architect to join our client s innovative engineering team. This role is ideal for a backend specialist with deep expertise in Node.js and TypeScript, who is confident designing scalable backend architectures within
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Posted 27 days ago | Updated 27 days ago

Senior Manager, Software Engineering, Back End (Java, Python, AWS)

Capital One

•

Chicago, Illinois, USA

Full-time

Senior Manager, Software Engineering, Back End (Java, Python, AWS) Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who love to solve real problems and meet real customer needs. We are seeking Back End Software Engineers who are passionate about marrying data with emergi
Posted 60+ days ago | Updated moments ago

ADA Accessibility Developer---Front End

Allwyn Corporation

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Remote

Contract, Third Party

Position: Mobile & Web Developer with Angular/Ionic + ADA Location: Remote Duration: 4+ months Job Description: We are looking for a skilled Front-End Developer who can contribute across both mobile and web (.com) platforms. The ideal candidate will have hands-on experience with Angular and Ionic frameworks, and a strong understanding of ADA compliance to ensure accessibility standards are met across all digital experiences. Responsibilities: Develop and maintain responsive and accessible applic
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Posted 7 days ago

Senior Backend Engineer

Kforce Technology Staffing

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Remote or Orlando, Florida, USA

Full-time

RESPONSIBILITIES: Kforce is working with a client in search of a Senior Backend Engineer to join their team! This position is full-time, direct hire and remote with the ability to work PST hours. Summary: As a Senior Backend Engineer, you will design, build, and maintain the core services, APIs, and integrations that power our platform. You'll collaborate with world-class engineers to deliver resilient, high-performance systems. Responsibilities: * Senior Backend Engineer will design, build, a
Posted 55 days ago | Updated 2 hours ago

Python Backend Engineer

ACL Digital

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Remote or San Jose, California, USA

Full-time

Job Title: Python Backend Engineer - Systems & Integration Location: Remote bout We are building a next-generation virtual assistant platform that enables natural and responsive voice and chat-based interactions. The platform integrates with internal and external systems to deliver seamless, real-time user experiences at scale. s part of our growing team, we're looking for a skilled Python Backend Engineer to help us build reliable, high-performance backend systems. Role Overview: This role inv
Posted 41 days ago | Updated 9 hours ago

Opening for Mobile UI Developer :: Contract :: Remote

SOHO Square Solutions

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US

Third Party, Contract

Job Title: Mobile UI Developer Location: Remote Job Type: Contract Job Summary: Job Description: We are seeking a Mobile UI Developer with strong expertise in Kotlin, Java, and Spring frameworks to design, develop, and enhance high-quality mobile applications for our financial clients. The ideal candidate will be experienced in building secure, scalable mobile UI applications within the banking and financial services domain, ensuring seamless integration with backend services while deliveri
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Posted 4 days ago | Updated 18 hours ago

Mobile & Web Developer with Angular/Ionic + ADA

Allwyn Corporation

•

Remote

Third Party, Contract

Job Title: Mobile & Web Developer with Angular/Ionic + ADA Location: Remote Job Overview We are looking for a skilled Front-End Developer who can contribute across both mobile and web (.com) platforms. The ideal candidate will have hands-on experience with Angular and Ionic frameworks, and a strong understanding of ADA compliance to ensure accessibility standards are met across all digital experiences. Responsibilities: Develop and maintain responsive and accessible applications across mobile
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Posted 25 days ago | Updated 5 days ago

Back-End Software Engineer (Contractor)

Dimensional Fund Advisors LP

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Texas, USA

Full-time

Notes to applicants: Dimensional sees great value from collaborating in our offices and appreciates the benefits of flexibility. Most roles fit our office-first hybrid approach: We are together on our campuses Tuesdays, Wednesdays, and Thursdays and have the choice to work in the office or remotely, depending on what is best for that work day, on Mondays and Fridays. This approach maximizes in-person collaboration and interaction while simultaneously providing flexibility and applies to most rol
Posted 36 days ago | Updated 9 hours ago

Full Stack Developer

Maximus, Inc.

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Remote

Full-time

Description & Requirements 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 related management and technical duties. Requires expertise in specialty areas. Back-End Software D
Posted 20 days ago | Updated moments ago

Software Engineer - Blazor / C# / Angular

Request Technology, LLC

•

Chicago, Illinois, USA

Full-time

NO SPONSORSHIP Backend C# Developer / Blazor / Angular CONSULTANT SALARY: Our Rate: open LOCATION: Chicago, IL Onsite 5 days a week Duration minimum one year Looking for a candidate with 1-2 years blazor, strong backend c# and previous angular rest api experience must have knowledge of ui/ux must know unit testing As a software consultant, you will assist a group of top-caliber developers responsible for doing test-driven development of software components using C# in multiple layers including
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Posted 60+ days ago | Updated 7 days ago

React Native Mobile Architect

Aptino

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Remote

Contract, Third Party

Job Description:We are seeking a highly skilled and experienced Senior React Native Developer / Mobile Architect to join our mobile development team. The ideal candidate will have a proven track record of building scalable and high-performance mobile applications using React Native and related technologies. You will be responsible for leading mobile architecture decisions, implementing robust features, and ensuring seamless cross-platform user experiences. Key Responsibilities:Design, develop, a
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Posted 18 days ago | Updated 12 hours ago