17 junior backend engineer jobs at 16 companies in Illinois

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Backend / Frontend Developer Intern
Chicago, Illinois, United States
OnsiteInternship
Prospect Equities
Prospect Equities: Provides residential and commercial real estate brokerage and leasing services.
0+ YOEInternship seeking motivated, detail-oriented students skilled in frontend or backend development.
JavaScript, TypeScript, React, REST APIs, AWS, PostgreSQL, MongoDB, Elasticsearch, Java, Spring Boot, JUnit, AWS
2mo
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Junior Software Engineer
Chicago, Illinois, United States
$80k-$100k/yr OnsiteFull Time
Supernova Technology
Supernova Technology: Provides cloud-based digital software for securities-based lending.
Entry-level software engineer; learn SDLC, backend, coding; BS in CS or related field or equivalent practical experience; Java/C/C++, JavaScript; Java Spring Framework; handling high-priority requests; startup adaptability.
Java, C/C++, JavaScript, Python, Spring Framework, Spring Boot
2d
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R&D Management Trainee - Full-Stack Engineer (Backend)
Illinois or United States
$60k-$80k/yr RemoteFull Time
CWILL
CWILL: Unified AI-driven commerce platform for Shopify DTC brands.
0+ YOERecent US graduate or within 1–2 years of graduation. Proficiency in at least one backend language, web fundamentals, basic SQL, debugging and ownership of work.
JavaScript, TypeScript, Python, Java, Go, PHP, MySQL, PostgreSQL, React, Node.js, Next.js, NestJS, Redis, Docker, CI/CD, AWS, Aliyun, GitHub, Cursor, GitHub Copilot, Claude Code
5d
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Software Engineer, Core Cloud Engineering
Alabama or Arizona or Colorado or Connecticut or Florida or Georgia or Idaho or Illinois or Indiana or Iowa or Kentucky or Louisiana or Maryland or Massachusetts or Michigan or Minnesota or Missouri or Montana or Nebraska or Nevada or New Jersey or New Mexico or New York or North Carolina or Ohio or Oklahoma or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Utah or Vermont or Virginia or Wisconsin
$80k-$95k/yr RemoteFull Time
Vultr
Vultr: Global cloud infrastructure and bare metal server hosting provider.
2+ YOE2+ years building backend or systems software; production experience in Rust, Go, or C/C++; strong Linux knowledge; familiarity with IPMI/Redfish or bare-metal provisioning; proficiency with HTTP/JSON/gRPC and strong written communication.
Rust, Go, PHP, C/C++, Linux, HTTP, JSON, gRPC, IPMI, Redfish, BMC, PXE, iPXE, DPU, SmartNIC, SR-IOV, IOMMU, BGP, VXLAN, KVM, QEMU, libvirt
1mo
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Software Engineer (All Levels)
Illinois or United States
$85k-$145k/yr RemoteFull Time
Allstate
AllstateNYSE: ALL: Provides insurance products for vehicles, homes, and businesses.
1+ YOEExperience with Java/Spring, JavaScript and React; backend APIs and relational/NoSQL databases; CI/CD, TDD, paired programming; cloud-native and object-oriented design. Experience level varies by role (1+ to 5+ years).
Agile Methodology, Back-End Development, CI/CD, Continuous Delivery, Databasing, Java (Programming Language), Spring, Spring Boot, JavaScript, React, React.js, Microservices Architecture, Pair Programming, Test Driven Design (TDD), APIs, NoSQL
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Software Engineer
Columbus or Boston or Chicago or Austin or Los Angeles or United States or Canada or United Kingdom or Australia
$125k-$165k/yr HybridFull Time
Loop Returns
Loop Returns: Software platform automating e-commerce returns and post-purchase experiences.
2+ YOE2+ years building web applications, backend services, or APIs. Experience using AI agents in engineering workflows, testing and CI/CD, and familiarity with PHP/Laravel, Vue.js, AWS Serverless, MySQL, or DynamoDB is a plus.
Claude Code, Cursor, PHP, Laravel, Vue.js, MySQL, DynamoDB, Kubernetes, AWS, Serverless, CI/CD, lambdas
2w
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Software Engineer, Wikidata Platform
San Francisco or Arizona or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Idaho or Illinois or Indiana or Iowa or Maryland or Massachusetts or Michigan or Minnesota or Missouri or New Jersey or New Mexico or New York or North Carolina or Ohio or Oklahoma or Oregon or Pennsylvania or Puerto Rico or Rhode Island or Tennessee or Texas or Utah or Vermont or Virginia or Washington or West Virginia or Wisconsin or Wyoming or Brazil or Canada or Colombia or France or Germany or Ghana or India or Indonesia or Italy or Kenya or Mexico or Morocco or Netherlands or Poland or Singapore or South Africa or Spain or Switzerland or United Kingdom
$95k-$149k/yr RemoteFull Time
Wikimedia Foundation
Wikimedia Foundation: Operates Wikipedia and provides global free knowledge infrastructure.
2+ YOE2+ years backend/platform engineering on distributed systems, proficiency in Java or C++, experience with production-grade services, observability, and data processing technologies.
Java, C++, Kafka, Flink, Docker, Kubernetes, RDF, SPARQL
4d
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Engineer I, Paid Media
Chicago, Illinois, United States
$85k-$120k/yr HybridFull Time
Tavern Research
Tavern Research: A political tech startup building tools and insights to support data-driven civic engagement and paid media operations.
0+ YOE0+ years engineering experience; proficiency in Python, JavaScript, Docker, and LLMs; experience with backend systems, APIs, databases, Git, and CI/CD; strong problem-solving and communication.
Python, JavaScript, Docker, LLMs, Git, CI/CD, Meta, Google, TikTok
1mo
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Data Platform Engineer
Chicago, Illinois, United States
$85k-$120k/yr HybridFull Time
Walker Consultants
Walker Consultants: Providing engineering and planning services for the built environment.
1+ YOE1–5 years backend/data engineering experience. Strong SQL, Power BI (Power Query, DAX), Node.js or Python, Git/GitHub Actions, Azure exposure, CI/CD, REST/JSON, data pipelines, schema design, debugging, and clear documentation.
Microsoft Power BI, Microsoft Power Query, DAX, SQL, Node.js, Python, REST APIs, JSON, GitHub Actions, Git, Microsoft Fabric, Snowflake, Databricks, Azure Synapse, Azure, Azure App Service, Azure Static Web Apps, Azure SQL, Azure SQL Database, Redis Cache, Azure Functions, Azure Storage, Prisma, SQLAlchemy, Alembic, React, TypeScript, Azure DevOps, FastAPI, Flask, Express
1mo
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iOS Engineer II
Chicago, Illinois, United States
$115k-$149k/yr HybridFull Time
Reverb
Reverb: Marketplace for buying and selling new and used musical gear.
2+ YOE2+ years iOS experience building backend-dependent apps; proficiency with Swift and SwiftUI, concurrency, testing & automation; product ownership, collaboration, and growth mindset.
Swift, SwiftUI
1mo
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Senior Software Engineer
Chicago or United States
$113k-$183k/yr RemoteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
1+ YOEMaster's in Computer Science or related and 1 year experience developing backend/service-layer software. Requires Java, Python, PostgreSQL, MongoDB, TDD practices, and Agile development experience.
Java, PostgreSQL, MongoDB, Python
3d
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Associate Software Engineer I
Mettawa, Illinois, United States
$59k-$104k/yr HybridFull Time
AbbVie
AbbVieNYSE: ABBV: Develops and sells innovative pharmaceutical and biopharmaceutical medicines.
Bachelor's in CS or related, strong Java, SQL, and TypeScript skills; ability to design and develop backend systems, work independently, and communicate with technical and scientific stakeholders.
Java, SQL, TypeScript, APEX
4d
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Engineer I, Digital Engagement
Chicago, Illinois, United States
$85k-$120k/yr HybridFull Time
Tavern Research
Tavern Research: A political technology startup building tools and insights to support data-driven civic engagement and campaign work.
0–2 years relevant experience; proficiency in Python, JavaScript, Docker, LLMs; backend, APIs, databases, testing, and CI/CD familiarity; strong communication and problem-solving.
Python, JavaScript, Docker, LLMs, AI coding tools, Git, CI/CD
2w
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Software Developer 2 (Associate)
O'Fallon, Illinois, United States
HybridFull Time
UNCOMN
UNCOMN: A technology delivering secure software solutions for public and private sector clients.
2+ YOE2+ years software development experience, backend/REST API experience, Java and Azure familiarity, Agile/Jira experience, eligible for U.S. Secret clearance, strong communication and problem-solving skills.
Java, Microsoft Azure, RESTful APIs, Jira
1mo
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Full Stack Engineer (Delivery Toolkit)
Atlanta or Austin or Chicago or Dallas or Houston
$93k-$112k/yr HybridFull Time
Bain & Company
Bain & Company: Provides global management consulting and strategy advisory services.
2+ YOEBachelor's degree or equivalent; 2+ years building web or backend services; strong TypeScript, Node.js, FastAPI/Python, SQL/Postgres, testing, and practical AWS experience; familiarity with CI/CD, Docker, and IaC.
Svelte, SvelteKit, React, TypeScript, Node.js, Python, FastAPI, Zod, Pydantic v2, PostgreSQL, SQL, SQLAlchemy, Docker, Vitest, RTL, Jest, pytest, Playwright, OpenAPI, GitHub Actions, Cursor, GitHub Copilot, S3, RDS, Lambda, ECS, CloudWatch, IAM, API Gateway, SQS, SNS, EventBridge, ECR, Terraform, CloudFormation, CDK
1mo
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AI Solutions Developer
Chicago, Illinois, United States
$103k-$155k/yr HybridFull Time
Protiviti
ProtivitiNYSE: RHI: Global consulting firm providing risk management and internal audit services.
2+ YOEBachelor's in relevant discipline, 2+ years designing/deploying cloud-based AI solutions, hands-on generative AI prototyping, experience with AWS/Microsoft Azure/Google Cloud, JavaScript/TypeScript, Node.js, Python, backend/APIs, and Responsible AI awareness.
AWS, Microsoft Azure, Google Cloud, JavaScript, TypeScript, Node.js, Python
1mo
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EY-Parthenon - Strategy and Execution - Growth Platforms - Software Engineer - Sr Assoc/Consultant (New York, NY, US, 10001-8604)
New York or Atlanta or Boston or Chicago or Dallas or Denver or Detroit or Houston or Los Angeles or McLean or Hoboken or Philadelphia or San Francisco or Seattle
$130k-$185k/yr HybridFull Time
EY
EY: Global firm providing audit, tax, and professional consulting services.
1.5+ YOEBachelor's degree plus ~2 years related experience (or graduate degree plus ~18 months). Experience with backend/full‑stack development (Python, Java, Scala, TypeScript), cloud (AWS/GCP), containerization, IaC, LLM integration, and productionizing AI tooling; strong communication and client‑facing skills.
Python, Java, Scala, TypeScript, AWS, GCP, Microsoft Copilot

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