Backend Development jobs in Illinois

Chicago, Illinois

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Today

The BP&A Team sits at the heart of our operations, partnering closely with finance, trading, and middle office teams. We serve as the business intelligence and analysis function for IMC to turn complex data into insights that drive real decisions. This role also connects you with colleagues across Chicago, Amsterdam, and Sydney, all part of a truly global team reporting into a Global Lead. We're looking for a Software Engineer who loves back-end development and wants to help build the tools and

Full-time

USD 130,000.00 - 180,000.00 per year

Data Analyst, (Software Engineer / Research Contributor) :onsite in Chillicothe, Illinois - Full-time

Chillicothe, Illinois

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Yesterday

Job Title: Data Analyst, onsite in Chillicothe, Illinois - Full-time Salary: $85K per year Job Description & Skill Requirements: 536484 /BRY Software Engineer / Research Contributor Required background/knowledge/skillsets: PhD-level knowledge in Statistical AnalysisIntermediate-level Python SkillsGood knowledge of Digital Signal ProcessingMust-have Key Skills: Research & Analysis, Backend Development, DATK Development, Code Migration, Debugging & Troubleshooting, Performance Analysis, Software

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Full-time

$60,000 - $85,000

Senior Software Engineer/ .NET / Hybrid / South Suburbs of Chicago

Chicago, Illinois

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Today

A high-performing insurance organization is seeking a talented Senior Software Developer to join its growing technology team. This is a full-time opportunity for an experienced engineer who is passionate about building modern software solutions using C#, .NET, React, cloud technologies, and AI-assisted development tools. This is a hybrid position requiring onsite attendance Tuesday through Thursday in the South Chicago suburbs. This role is ideal for a highly motivated professional who wants to

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Full-time

$120000 - $140000

Staff Cloud Engineer / AWS, EKS, CI/CD, React, Security / Hybrid Downtown Chicago

Chicago, Illinois

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Today

We are partnered with a leading financial technology company that powers secure payment solutions used by millions of consumers and businesses across the U.S. The organization builds highly scalable, mission-critical systems that support digital payments, financial services, and transaction security. This role is a senior-level engineering position focused on designing, building, and deploying complex distributed systems and cloud solutions. You will work across architecture, backend development

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Full-time

$160000 - $185000

Epicor Consultant / Remote

Remote or Chicago, Illinois

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Today

his manufacturing technology company delivers tailored ERP solutions to 500+ clients. As they scale from a small to mid-sized business, they're hiring an Epicor ERP Developer to help manage growing demand and support the transition to Epicor's cloud platform. This is a full-time role open to remote candidates, or local to the Chicago area. The team needs an experienced Epicor developer who can hit the ground running with minimal training. Ideal candidates will have a strong background in customi

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Full-time

$100000 - $110000

Senior Full Stack Engineer / Hybrid / Chicago, IL

Chicago, Illinois

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Today

A rapidly growing software company in the equipment technology space is seeking a Senior Software Engineer to join its product development organization. This full-time position is based in Chicago's River North neighborhood and follows a hybrid schedule. The team is building modern cloud applications using TypeScript, Node.js, Next.js, JavaScript, and AWS while introducing innovative AI-driven functionality into its product suite. This is a unique opportunity for an engineer who wants to work on

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Full-time

USD 150,000.00 - 200,000.00 per year

.Net Software Engineer / B2B / SaaS

Chicago, Illinois

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Today

A rapidly growing Chicago SaaS company is seeking a .NET Engineer to join its team in downtown Chicago near Union Station. This venture-backed software company develops technology that helps businesses streamline operations and scale more effectively. The team builds modern cloud-based applications using .NET, C#, REST APIs, SQL databases, and contemporary frontend frameworks. This opportunity is ideal for an engineer looking to have tangible influence on a growing product and growing company. R

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Full-time

$110000 - $130000

Senior Typescript Engineer / Node.JS / React

Chicago, Illinois

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Today

A rapidly growing sleep technology company is seeking a Senior Software Engineer to join its engineering organization. The team develops connected hardware, cloud-native software, AI-powered experiences, and large-scale data systems that help consumers optimize recovery and performance. The environment includes distributed systems, microservices, cloud infrastructure, data processing pipelines, and modern backend technologies such as Ruby, Node.JS, and TypeScript. This is an opportunity for an e

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Full-time

$180000 - $220000

Backend Developer - Node JS/ TypeScript / React / AWS

Remote

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6d ago

Position: Senior Backend Developer Node.js / TypeScript / React / AWS Company : Yottaflex AI Technologies Location: Remote Employment Type: Contract Duration: 612 Months (Potential Extension) Job Description We are looking for a highly experienced Senior Full Stack Developer with strong hands-on Node.js and TypeScript backend development experience to design, develop, and deploy scalable enterprise applications. The ideal candidate must be backend-strong while also having solid experience with

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Contract, Third Party

Depends on Experience

Staff Full Stack Engineer

Remote

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Today

Job Description A fast-growing SaaS company is looking for a Staff Software Engineer to join their remote team in Toronto. You'll help build and scale a modern platform that streamlines commerce, operations, and customer workflows using TypeScript, Node.js, React, GraphQL, and AI-assisted development tools. This is an opportunity for a highly autonomous engineer who enjoys solving complex technical challenges, owning projects end-to-end, and working closely with stakeholders and customers. You

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Full-time

$150000 - $200000

Golang Lead

Remote

•

Yesterday

Golang Lead Location: Remote (Client locations: Atlanta, GA / New Jersey) Position SummaryWe are looking for an accomplished Golang Lead to drive critical healthcare technology initiatives for our client. In this role, you will spearhead the design, architecture, and delivery of scalable backend services and distributed microservices using Go. You will combine deep technical expertise in PostgreSQL, API design, and cloud-native engineering with strong leadership capabilitiesguiding engineering

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Full-time

Security Developer III (Contractor)

Remote or Philadelphia, Pennsylvania

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Today

Full Stack Security Developer - IAM A leading technology and cybersecurity organization is seeking a Full Stack Security Developer to join its core Cybersecurity team in Philadelphia, PA on a contract basis. This role will focus on architecting, developing, and maintaining security-focused applications supporting Identity and Access Management (IAM), using technologies including Angular, Java 17, Spring Boot, Spring Security, Node.js, REST APIs, MySQL, MongoDB, and AWS. This is a hybrid opportu

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Contract

Lead Software Engineer, Applied AI (Frontend Leading)

Remote or New York, New York

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Today

Our Business Technology organization builds secure and intelligent internal platforms that power our global workforce. As a Lead Software Engineer, Applied AI (Frontend Leading) , you will build intuitive, performant user interfaces and frontend integration libraries that make Generative AI (GenAI) and intelligent automation accessible and useful across IT, HR, Finance, Sales, Marketing, and Customer Support. In this role, you will bridge the gap between complex LLM orchestration and enterprise

Full-time

Forward Deployed Engineer / Remote / FinTech

Remote or Chicago, Illinois

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Today

An innovative financial technology organization is seeking a Forward Deployed Engineer to help transform banking technology for some of the largest financial institutions in the world. This full-time opportunity combines software engineering, solution architecture, cloud technologies, and customer engagement. The ideal candidate will bring experience building distributed applications using technologies such as Go, Java, Kafka, Kubernetes, and modern cloud platforms. This is a unique opportunity

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Full-time

$190000 - $250000

Senior MuleSoft Developer- Need Visa Independent Candidates

Remote

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Today

Job Title:Senior MuleSoft Developer Locations:Remote Position Duration: 12+ Months Job Description: Experience-6+ years (with strong hands-on MuleSoft development experience) Primary Skill-MuleSoft (Mule 4, Anypoint Platform, API-led connectivity) Role Type-Hands-on Development / Integration Role Overview: We are seeking a strong hands-on Senior Developer with deep expertise in MuleSoft to design, build, and support enterprise integration solutions. The role focuses primarily on API-led conn

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Contract

Depends on Experience

Lead Software Engineer, Applied AI (Frontend Leading)

Remote

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Today

Full-time

Golang Developer

Remote or Montreal, Quebec

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20d ago

Golang Developer Cybersecurity / HashiCorp VaultContract Type / Duration: Contract | 6 Months, with potential extension Location: Montreal, QC, Canada | Onsite Work Hours: 40 Hours/Week Start Date: ASAP Pay Rate: Competitive, based on experience Job SummaryWe are seeking an experienced Golang Developer to join a global cybersecurity engineering team responsible for building and operating enterprise security services. This is a hands-on build-and-run engineering role focused on backend Golang de

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Contract

60 - 70

Lead Full Stack Engineer

Remote or Atlanta, Georgia

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Today

RESPONSIBILITIES: Kforce has a client in Atlanta, GA seeking a Lead Full Stack Engineer to join their team, to support the rebuild and expansion of key internal applications. This role will focus primarily on backend development using C#/.NET and Azure, with supporting work on modern front-end applications built in React and Next.js. This role is split 60% hands-on coding 40% planning/architecture/leadership. Overview: This Engineer will work closely with product partners to deliver scalable, c

Contract

$50 - $60 hourly

Java Full Stack Developer

Remote

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Today

Solution IT Inc. is looking for a Java Full Stack Developer for one of its clients Remote Job Title: Java Full Stack Developer Responsibilities: Practice daily paired programming and test-driven development in writing software and building products. Establish continuous integration, continuous delivery, and continuous deployment pipelines and practices. Participate in retrospectives to gather feedback and derive actionable items that improve the team and the product. Collaborate within the tea

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Contract, Third Party

Lead .NET Engineer with AI tools

Remote

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Today

We are looking for a Lead .NET AI Developer to drive the design and development of modern cloud-native applications powered by Generative AI technologies. This role combines deep expertise in the Microsoft ecosystem with hands-on experience building AI-enabled solutions and mentoring engineering teams. You will lead the development of scalable ASP.NET services on Microsoft Azure, leverage AI-assisted engineering tools, and contribute to the delivery of innovative solutions that integrate GenAI c

Full-time

Backend Development jobs in Illinois, USA