Frontend Developer Jobs in Illinois

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Lead Frontend Engineer (Web)

eBay Inc.

•

Remote or Portland, Oregon, USA

Full-time

At eBay, we're more than a global ecommerce leader - we're changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We're committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts. Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work - every day. We're in this together, sustaining the futur
Posted 5 days ago | Updated 8 hours ago

ONLY W2 or 1099 // Sr. Full stack developer (java/react) // Rockford, IL (ONSITE 4X A WEEK)

Stellent IT LLC

•

Rockford, Illinois, USA

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

Role : Sr. Full stack developer (java/react) Location : Rockford, IL (ONSITE 4X A WEEK) Job Type : Contract (Only W2 Or 1099) Must be Available for an in-person interview on a small but energized team of engineers to solve the many challenges of entering a dynamic new market, and we're seeking a full stack developer who can help us introduce this market to ground-breaking technology. The ideal candidate has experience building products across the stack and a firm understanding of web framewor
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Posted 9 days ago | Updated moments ago

Python with AWS

PGH TECHLADDER LLC

•

US

Full-time

Python with AWS Remote Retail domain We are seeking a highly skilled Python Developer with strong AWS experience to join our development team. The ideal candidate will be responsible for designing, developing, and deploying scalable applications in the cloud using modern tools and practices. You'll play a key role in building robust backend systems and integrating cloud-native services. Key Responsibilities Design, develop, test, and deploy Python-based backend systems and APIs. Build and ma
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Posted 60+ days ago | Updated 1 day ago

Staff Frontend Software Engineer, Web UI

Block Inc

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California, USA

Full-time

Block is one company built from many blocks, all united by the same purpose of economic empowerment. The blocks that form our foundational teams - People, Finance, Counsel, Hardware, Information Security, Platform Infrastructure Engineering, and more - provide support and guidance at the corporate level. They work across business groups and around the globe, spanning time zones and disciplines to develop inclusive People policies, forecast finances, give legal counsel, safeguard systems, nurture
Posted 31 days ago | Updated 8 hours ago

Software Engineering Technical Leader- Front End

Splunk Inc.

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Remote or San Jose, 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
Posted 32 days ago | Updated 8 hours ago

Infrastructure Architect - Azure | Contract to Hire | (Illinois Hybrid)

Pioneer Corporate Services Inc

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Northfield, Illinois, USA

Contract

We are seeking an experienced Infrastructure Architect to lead the modernization and evolution of our enterprise platform. Our current technology stack includes a legacy Oracle ATG-based ecommerce system, which is transitioning to a modern cloud-native architecture featuring Azure, Spring Boot microservices, and a Next.js-based micro frontend (MFE) framework. This role will drive the infrastructure strategy, ensure secure and scalable design patterns, and support the build-out of our cloud-nativ
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Posted 27 days ago

Azure Cloud Architect

SYSTEM SOFT TECHNOLOGIES LLC

•

Northbrook, Illinois, USA

Contract, Third Party

Job Summary: We are seeking an experienced Cloud Infrastructure Architect to lead the modernization and evolution of our enterprise platform. Our current technology stack includes a legacy Oracle ATG-based ecommerce system, which is transitioning to a modern cloud-native architecture featuring Azure, Spring Boot microservices, and a Next.js-based micro frontend (MFE) framework. This role will drive the infrastructure strategy, ensure secure and scalable design patterns, and support the build-out
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Posted 36 days ago | Updated 6 days ago

Full-Stack Frontend Angular Engineer

NTT DATA Americas, Inc

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Remote or Atlanta, Georgia, USA

Contract

Company Overview: Req ID: 326490 NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.Job Description: Who we are: NTT DATA America s strives to hire exceptional, innovative, and passionate individuals who want to grow with us. Launch by NTT DATA is the culmination of the company s strategy to acquire and integrate the skills, experience, and technology
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Posted 4 days ago | Updated moments ago

Senior Front End Software Engineer - Ad Experiences

Samsung Electronics America

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Remote or Mountain View, California, USA

Full-time

Position Summary Over the last few years, Samsung has been investing in building up a portfolio of engaging services across its devices to complement its market-leading hardware business while leveraging its unparalleled global distribution footprint. These services, along with a vast partner network and proprietary data, generate a massive opportunity for ad-based monetization. Samsung Ads is a highly successful and fast-growing business that has operated for five years. The continued success
Posted 50 days ago | Updated 8 hours ago

.Net Backend Architect / Only on W2

FutureTech Consultants LLC

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Remote

Contract

Hi, Hope you are doing good, this is Rajeev from FutureTech Consultants, LLC and I have a job opening with our direct client. Please have a look at the below job description and let me know your interest. Please share me the latest copy of your resume. Role: .Net Backend Architect Location: Remote Duration: Long Term Contract Mode of Interview: Coding Test + 30 mins video call Must Have Skill: C++, C#, .Net Core Architecture, AWS Cloud, Trading Platforms, Futures Commodity Commissions Market (F
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Posted 5 days ago

Infrastructure Architect / Illinois

DATAMAXIS, Inc

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Northfield, Illinois, USA

Contract, Third Party

We are seeking an experienced Infrastructure Architect to lead the modernization and evolution of our enterprise platform. Our current technology stack includes a legacy Oracle ATG-based ecommerce system, which is transitioning to a modern cloud-native architecture featuring Azure, Spring Boot microservices, and a Next.js-based micro frontend (MFE) framework. This role will drive the infrastructure strategy, ensure secure and scalable design patterns, and support the build-out of our cloud-nat
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Posted 39 days ago | Updated 1 day 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 8 days 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 47 days ago | Updated 7 days ago

REMOTE:::.Net Backend Lead ( Trading Platforms) 10+ years - ONLY W2

FutureTech Consultants LLC

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Remote

Contract

Hello, Hope you are doing good, this is Hima from Appridat Solutions, LLC and I have a job opening with our direct client. Please have a look at the below job description and let me know your interest. Please share me the latest copy of your resume. Role: .Net Backend Lead Duration: Long term Remote role Mode of interview: Coding test + 30 mins video call Key Skills: C++, C#, .Net Core, AWS Cloud, Trading Platforms, Futures Commodity Commissions Market (FCM) platform, KYC, AML We are seeking a
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Posted 5 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 34 days ago | Updated 7 days ago

Software Engineering Senior Advisors- Hybrid

Cigna

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Remote or Plano, Texas, USA

Full-time

The job profile for this position is Software Engineering Senior Advisor, which is a Band 4 Senior Contributor Career Track Role with Cigna-Evernorth Services Inc. Responsibilities- Develop, support, and enhance existing healthkit applications' API layers.Provide integration for user-facing elements developed by front-end developers. Write reusable, testable, and efficient code.Design and implement low-latency, high-availability, and performant applications. Implement security and data protecti
Posted 13 days ago | Updated 8 hours ago

Sr Backend Engineer (TypeScript)

Ledgent Technology

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Remote

Full-time

No Corp-to-Corp, No 3rd party firms . Job Title: Sr Backend Engineer (TypeScript) Location: 100% Remote (U.S. Remote) Employment Type: Direct-hire Compensation: Up to $190,000 (based on level of experience) . Partnered with a client who is creating cutting-edge AI/ML products (Generative AI) that solve healthcare administrative burdens using conversational AI and their patented voice biomarker technology. . They're seeking a skilled Sr. Backend Engineer to help design, build, and maintai
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Posted 6 days ago | Updated 1 hour ago

.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
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Posted 47 days ago | Updated 7 days 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 13 days ago

Senior Front End / UI 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 front end / UI developer to join our team for a 100% remote project. Must have many years of experience doing front end / UI development. Experience with one of Svelte, React, Vue.js, Typescript, jQuery preferred. This is a contract role, paid hourly c2c, 40 hours per week. (20 hours per week avail too) Sound like a fit? Let's talk!
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Posted 60+ days ago | Updated 8 days ago