back-end engineer Jobs in chicago, il

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Senior Backend Developer - IT (IoT)

United Airlines

•

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 35 days ago | Updated 11 hours ago

React JS Developer (Mid-Level)

Seyon Solutions

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Chicago, Illinois, USA

Full-time

We are seeking a mid-level React JS Developer to join our dynamic development team. The ideal candidate will have hands-on experience in building and maintaining high-performance web applications using React.js, with a strong understanding of JavaScript, component-based architecture, and modern front-end development practices. You will collaborate with back-end developers, UI/UX designers, and product managers to deliver seamless user experiences across platforms. Responsibilities: Develop and
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Posted 13 days ago | Updated 13 days ago

.Net Back End - Azure

Kforce Technology Staffing

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Remote or Boca Raton, Florida, USA

Contract, Third Party

RESPONSIBILITIES: Kforce has a client seeking a Senior .NET Developer remotely. Key Responsibilities: * Lead the design, development, and deployment of robust backend services using .NET Core/.NET 6+ * Architect and implement distributed, event-driven systems using Dapr for service-to-service communication, pub/sub, and state management * Develop and manage message-based integrations using RabbitMQ, Kafka, or Azure Service Bus * Work extensively with MySQL including stored procedures, schema de
Posted 26 days ago | Updated 1 day ago

Java Back end Developer--100% Remote

Saxon Global Inc.

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US

Contract

Hello, I am Mohammed Dastagir with Saxon Global Inc wanted to let you know about the job opportunity for Java Back-end Developer position if interested please share your updated resume along with expecting rate. Job Title: Java Back-end Developer Location: 100% Remote Duration: Long term contract Only on w2 Job Description:? Mid to Senior-Level - Looking for a backend engineer who can own the backend architecture, ensure high performance and scalability, and work well with both frontend an
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Posted 3 days ago | Updated moments ago

Java Microservice Lead Developer

Okaya Inc

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Rosemont, Illinois, USA

Full-time

Hi, Greetings of the Day! Position Title : Java Microservice Lead Developer Location: Plano, TX Experience: 8 to 15 Job Description Java Technical Lead Must Have Technical/Functional Skills Have strong expertise with Java, Spring Boot Microservice. Proficiency with Spring Boot microservice development and integration. Experience in EKS and Docker. Experience in Kafka message broker. Experience in Log4j, JUnit testing or any other unit testing framework. Experience in NoSQL Database like MongoDB.
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Posted 47 days ago | Updated moments ago

.Net Backend Architect

Photon

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Remote

Contract, Third Party

.Net Backend Architect Remote We are seeking a seasoned Backend Architect with deep expertise in regulated financial systems, trading platforms, and end-to-end trading infrastructure to lead the architecture and backend development of a greenfield Futures Commodity Commissions Market (FCM) platform. This product will power a federally regulated sports prediction market, akin to Robinhood s financial trading model, requiring full compliance with CFTC and NFA regulations. You will design, architec
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Posted 51 days ago | Updated 4 days ago

UI Angular Developer (AVP) - Hybrid

Citi

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Remote or Tampa, Florida, USA

Full-time

The Institutional Data Platform team is responsible for the Olympus platform to streamline data sources across Service, Markets, Banking and Client enabling industry leading analytics, client, regulatory, surveillance supervisory risk and finance reporting and data science solutions along with genesis platform. The UI Angular Developer (Applications Development Senior Programmer Analyst - C12) is an intermediate level position responsible for participation in the establishment and implementatio
Posted 60+ days ago | Updated 11 hours ago

Senior Cloud-Native Back-End Developer / Illinois

DATAMAXIS, Inc

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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 40 days ago | Updated 1 hour ago

.NET Backend Developer

Neo Prism Solutions, LLC

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Remote

Contract

Job Title: .NET Backend Developer with Azure 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 3 days ago

Senior Manager, Software Engineering, Back End

Capital One

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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 29 days ago | Updated 3 hours ago

Front End Web Developer

TEKsystems c/o Allegis Group

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Chicago, Illinois, USA

Full-time

KEY RESPONSIBILITIES: User Interface Development: Design, develop, and implement responsive and visually appealing frontend user interfaces using HTML, CSS, TypeScript/JavaScript, and frameworks such as Next.js/React or Angular, ensuring a seamless user experience across various devices and browsers. Help migrate our Adobe Experience Manager (AEM) powered site to a modern Next.js/React implementation.Platform Integration: Integrate user interfaces with digital platforms, ensuring seamless intero
Posted 3 days ago | Updated 8 hours ago

Senior Front-end Developer (Information Security)

Walgreens

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Deerfield, Illinois, USA

Full-time

Job Description Job Summary: Walgreens is seeking a highly skilled Senior Front-end Developer to join our Security team in Deerfield, IL. In this role, you will lead the development of engaging, scalable, and secure front-end web applications for one of the nation's largest pharmacy and retail companies. You'll work closely with cross-functional teams to deliver seamless digital experiences across web platforms, while applying modern web development practices and ensuring compliance with the la
Posted 13 days ago | Updated 11 hours ago

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

Capital One

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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 3 hours ago

Fullstack Developer

TEKsystems c/o Allegis Group

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Chicago, Illinois, USA

Full-time

KEY RESPONSIBILITIES User Interface Development: Design, develop, and implement responsive and visually appealing frontend user interfaces using HTML, CSS, TypeScript/JavaScript, and frameworks such as Next.js/React or Angular, ensuring a seamless user experience across various devices and browsers. Help migrate our Adobe Experience Manager (AEM) powered site to a modern Next.js/React implementation. REST API Development: Design, Develop, test and maintain scalable and secure RESTful APIs that i
Posted 3 days ago | Updated 8 hours ago

BE Crypto Software Engineer

Russell, Tobin & Associates

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Remote

Contract

Job Title: Crypto Software Engineer Location: Remote California Duration: 6 Months plus Pay Range: $58/hr-$65/hr on W2 JOB DESCRIPTION Join the User Economy team in this contractor role, working on an exciting initiative that enables users to earn money through various company products such as Awards, Premium, Collectible Avatars, and more. We're redefining how users engage with and monetize their contributions, shaping the future of the company's creator ecosystem. We are specifically hiring a
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Posted 9 days ago | Updated 6 hours ago

Web Developer

Pozent

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Remote or Woburn, Massachusetts, USA

Contract

6 month plus contract opportunity Remote position - CST Overview We are seeking a skilled and reliable Web Developer / Backend Engineer to provide ongoing support and project-based development across our digital ecosystem. This includes building new websites, updating existing websites, and handling server-side tasks and remediation. Familiarity with Microsoft Azure and Kentico CMS is essential. Background Our organization operates multiple web properties and digital tools hosted primarily in
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Posted 52 days ago | Updated 6 hours 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 16 days 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 10 days ago | Updated 3 days ago

Node.js, developer

IRIS Software, Inc.

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Remote

Full-time

We are hiring for Node.js, developer. Title : Node.js, developer Required Skills : Node.js developer, typescript & AWS Location : Fully Remote Please email me your resume at or call Job description Experienced backend developer Expertise in, typescript, Node.js, Proficiency in designing efficient GraphQL APIs & microservices for low latency and high availability systems. Strong experience with MySQL Experience in cloud environments AWS & Google Cloud Platform and Terraform /CloudFormation. Tha
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Posted 25 days ago

P25-231186 - Software Engineer III

FedEx Office

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Remote or Memphis, Tennessee, USA

Full-time

About FedEx Dataworks: Born out of FedEx, a pioneer that ships nearly 20 million packages a day and manages endless threads of information, FedEx Dataworks is an organization rooted in connecting the physical and digital sides of our network to meet today's needs and address tomorrow's challenges. We are creating opportunities for FedEx, our customers, and the world at large by: Exploring and harnessing data to define and solve true problems Removing barriers between data sets to create new ave
Posted 3 days ago | Updated 11 hours ago