182 backend developer jobs at 117 companies in Illinois

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
1mo
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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
1w
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Senior Backend Software Engineer
Arkansas or California or Colorado or District of Columbia or Florida or Illinois or Massachusetts or Maryland or Maine or Michigan or New Jersey or Ohio or Pennsylvania or South Carolina or Texas or Utah or Virginia or Washington
$165k-$195k/yr RemoteFull Time
SITE Technologies
SITE Technologies: Provides AI-powered property condition assessments and management software.
5+ YOE5+ years backend development experience with Python and FastAPI, strong backend architecture, relational modeling, AWS services, Docker, CI/CD, and cross-team communication.
Python, FastAPI, PostgreSQL, SQLAlchemy, Alembic, Flyway, AWS, ECS, Lambda, RDS, S3, IAM, Docker, Git, CI/CD, GitHub Actions, AWS CodePipeline, Claude Code, Cursor, Terraform, Terragrunt, Datadog, Sentry, LangGraph, Claude Code SDK, Amazon Bedrock
3w
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Backend Engineer, Flag Delivery
Oakland or San Francisco or New York City or Boston or Seattle or Irvine or Los Angeles or Monterey or Santa Barbara or Santa Rosa or Austin or Portland or Philadelphia or Chicago or United States
$146k-$235k/yr OnsiteFull Time
LaunchDarkly
LaunchDarkly: Provides a feature management platform for software development teams.
5+ YOE5+ years backend engineering experience building/operating production distributed systems; strong programming in Go/Java/Rust; production debugging, observability, on-call experience; clear AI usage in engineering work.
Go, Java, Rust
2w
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Senior Backend Engineer - Java
United States or Tampa or Boston or Atlanta or New York City or Columbus or Chicago or Philadelphia or Raleigh or Charlotte or Minneapolis or Dallas or Washington D.C. or Austin or Miami or Newark
$152k-$194k/yr RemoteFull Time
Real
RealNasdaq: REAX: Technology-driven brokerage offering residential real estate and title services.
8+ YOE8+ years experience with Java/Spring Boot, JPA/Hibernate, relational databases; experience designing event-driven microservices, strong testing practices, AI-assisted development familiarity, BA/BS or equivalent.
Java 17, Java 21, Spring Boot 3.x, JPA/Hibernate 6, Postgres, Kafka, DynamoDB, Redis, OpenSearch, AWS, Docker, Kubernetes, Datadog, ArgoCD, TeamCity, Claude Code, Cursor, Codex, Model Context Protocol (MCP), GitHub, SonarQube
2mo
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Senior Backend Engineer - Payroll - EST
New York City or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Illinois or Indiana or Kansas or Massachusetts or Maryland or Minnesota or North Carolina or New Hampshire or New Jersey or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Utah or Virginia or Washington
$170k-$220k/yr HybridFull Time
HiBob
HiBob: Cloud-based human resources management platform for mid-sized businesses.
6+ YOE6+ years backend software engineering; experience with Kotlin, Java, or Scala; relational DBs (PostgreSQL/MySQL); AWS; testing and TDD; owning features end-to-end and collaborating with product.
Kotlin, Java, Scala, PostgreSQL, MySQL, AWS
2mo
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Senior Backend Engineer - Payroll - EST
New York City or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Illinois or Indiana or Kansas or Massachusetts or Maryland or Minnesota or North Carolina or New Hampshire or New Jersey or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Utah or Virginia or Washington
$170k-$220k/yr HybridFull Time
HiBob
HiBob: HR software platform for managing employee lifecycle and engagement.
6+ YOE6+ years backend engineering experience; Kotlin, Java, or Scala; relational DBs (PostgreSQL/MySQL); AWS; testing (unit/TDD); feature ownership and product collaboration; scalable architecture and design.
Kotlin, Java, Scala, PostgreSQL, MySQL, AWS
3w
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Staff Backend Engineer, Safety
United States or San Francisco or Los Angeles or New York City or Chicago
$217k-$304k/yr RemoteFull Time
Reddit
RedditNYSE: RDDT: Social platform for community-driven discussion and content sharing.
8+ YOE8+ years software development experience; proficiency in Go, Python, Rust, or Ruby; experience with GraphQL/REST/HTTP/Thrift/gRPC; BS in Computer Science or equivalent practical experience; strong organizational and cross-functional remote collaboration skills.
Go, Python, Rust, Ruby, GraphQL, REST, HTTP, Thrift, gRPC
2mo
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Senior Backend Engineer - Payroll - EST
New York City or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Illinois or Indiana or Kansas or Massachusetts or Maryland or Minnesota or North Carolina or New Hampshire or New Jersey or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Utah or Virginia or Washington
$170k-$220k/yr HybridFull Time
HiBob
HiBob: Provides cloud-based human resources and workforce management software.
6+ YOE6+ years backend software engineering; experience with Kotlin/Java/Scala, relational databases (PostgreSQL/MySQL), AWS, testing methodologies, and owning features end-to-end while collaborating with product managers.
Kotlin, Java, Scala, PostgreSQL, MySQL, AWS
2mo
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Senior Backend Engineer - Payroll - EST
New York City or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Illinois or Indiana or Kansas or Massachusetts or Maryland or Minnesota or North Carolina or New Hampshire or New Jersey or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Utah or Virginia or Washington
$170k-$220k/yr HybridFull Time
HiBob
HiBob: Provides a cloud-based human resources management platform for businesses.
6+ YOE6+ years backend software engineering experience; proficiency with Kotlin, Java, or Scala; relational DB experience (PostgreSQL/MySQL); AWS; testing and scalable architecture; proven end-to-end feature ownership and product collaboration.
Kotlin, Java, Scala, PostgreSQL, MySQL, AWS
2mo
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Senior Backend Engineer - Payroll - EST
New York City or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Illinois or Indiana or Kansas or Massachusetts or Maryland or Minnesota or North Carolina or New Hampshire or New Jersey or Nevada or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Utah or Virginia or Washington
$170k-$220k/yr HybridFull Time
HiBob
HiBob: Provides a cloud-based HR platform for mid-sized businesses.
6+ YOE6+ years backend engineering experience; proficiency with Kotlin/Java/Scala, relational databases (PostgreSQL/MySQL), cloud platforms (AWS); experience owning features end-to-end, testing, scalable architecture, and collaborating with product.
Kotlin, Java, Scala, PostgreSQL, MySQL, AWS
1mo
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Lead Backend Engineer (API Architect)
Rock Island, Illinois, United States
OnsiteFull Time
CMB Regional Centers
CMB Regional Centers: Managing EB-5 investment funds for US infrastructure projects.
8+ YOERequires degree in Computer Science (or equivalent) and 8+ years software development experience; strong .NET and SQL Server skills, REST API design, API/security practices, CI/CD, testing, and stakeholder communication.
.NET, SQL Server, REST, SSRS, Power BI, CI/CD
1d
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Sr. Backend Software Engineer (NodeJS)
United States or Minneapolis or Philadelphia or New Hartford or Austin or Champaign or Chicago
$140k-$160k/yr RemoteFull Time
PAR Technology
PAR TechnologyNYSE: PAR: Provides unified software and hardware for restaurant operations.
8+ YOEExpertise in Node.js/Typescript and PostgreSQL, 8+ years backend experience with distributed systems, GraphQL, TypeORM, Nest.js; familiarity with Kubernetes, message brokers, AWS, Terraform.
Typescript, NodeJS, Ruby, Rails, PostgreSQL, GraphQL, TypeORM, Nest.js, RabbitMQ, RMQ, React, AWS, Terraform, Helm, Kubernetes, EKS, Microsoft Teams
1d
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Senior Backend Engineer, Platform, Consumer Apps - Klover
Chicago or Redwood City
HybridFull Time
Attain
Attain: Provides real-time purchase data and measurement solutions for marketers.
5+ YOE5+ years building backend services; experience with Rust or Go, SQL, microservices, gRPC/protobuf or GraphQL, message queues (Kafka/RabbitMQ), cloud (AWS/GCP/Azure); familiarity with payments, security and compliance.
Rust, Go, gRPC, protobuf, GraphQL, SQL, Kafka, RabbitMQ, AWS, GCP, Azure
2w
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Senior Platform Backend Engineer - Battery Storage
San Francisco or Houston or Chicago or Seattle or New York City or Palm Beach or Birmingham or United States
$150k/yr RemoteFull Time
Plus Power
Plus Power: Develops and operates standalone battery energy storage systems.
5+ YOE5+ years platform/backend/data/platform engineering experience; strong AWS, Terraform, Docker/Kubernetes, Python, CI/CD, and observability experience; experience with data platforms and relational databases.
Python, AWS, VPC, IAM, EKS, ECS, RDS, S3, Terraform, CloudFormation, Docker, Kubernetes, CI/CD, Git
1mo
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Software Engineer (Backend), Content Foundations
San Francisco or Atlanta or Austin or Boston or Chicago or Dallas or Denver or Houston or Jacksonville or Los Angeles or Mexico City or Miami or New York City or Ottawa or Phoenix or Portland or Sacramento or Salt Lake City or San Diego or Seattle or Toronto or Vancouver or Washington, D.C.
$104k-$187k/yr HybridFull Time
Scribd
Scribd: Subscription-based digital library for e-books, audiobooks, and documents.
4+ YOE4+ years as a software engineer; backend/data pipelines; comfortable with messy data; proficient in Ruby, Python, or Go; AWS experience; SQL; collaborative and communicative.
Ruby, Python, Go, AWS, S3, SQS, SNS, SQL
1mo
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Senior Backend Engineer, Space Operations Intelligence & Autonomy (SOIA)
Colorado Springs or Alabama or Arizona or California or Colorado or District of Columbia or Florida or Georgia or Hawaii or Illinois or Indiana or Kansas or Massachusetts or Maryland or Michigan or Minnesota or Missouri or Montana or North Carolina or New Jersey or New Mexico or Nevada or New York or Ohio or Oklahoma or Oregon or Rhode Island or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or West Virginia or United Kingdom
$150k-$200k/yr OnsiteFull Time
Slingshot Aerospace
Slingshot Aerospace: Software and data analytics for space operations management.
5+ YOE5+ years software development, bachelor’s in CS or related, active security clearance (Top Secret preferred), experience with Java/Kotlin, Python, cloud (AWS), containers, distributed systems, Kafka, databases, and API design.
Java, Kotlin, GraphQL, GraphQL subscriptions, REST, Docker, Kubernetes, React, Python, AWS, Helm, EKS, Git, GitHub Actions, Kafka, CloudEvents, PostgreSQL, MongoDB, Three.js, HLA, DIS
3w
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Staff Back End Engineer, Trading
Chicago or New York City or Los Angeles or San Francisco or Culver City or Dallas
$200k-$285k/yr RemoteFull Time
Altruist
Altruist: Provides a digital custodian and portfolio management platform for advisors.
8+ YOE8+ years software engineering experience, 2+ years building low-latency trading systems, BA/BS preferred, proficient with Java, Spring Boot, Microservices, AWS, Postgres, Kubernetes, strong leadership and communication.
Java, Spring Boot, Microservices, AWS, Postgres, Kubernetes
3w
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Senior Backend Java Engineer (Chicago Hybrid)
Chicago, Illinois, United States
$130k-$150k/yr HybridFull Time
Motorola Solutions
Motorola SolutionsNYSE: MSI: Provides mission-critical communications and public safety technology.
5+ YOEBachelor's degree with 5+ years engineering experience, 4+ years Java, GCP and Postgres experience, experience with Anthropic Claude/LLMs, and U.S. citizenship able to obtain security clearance.
Java, Python, GCP, GKE, Cloud Run, Cloud Storage, AlloyDB, PostgreSQL, Anthropic Claude, LLMs, RAG systems, AI coding assistants
1w
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Senior Software Engineer - Backend
Chicago, Illinois, United States
$120k-$150k/yr RemoteFull Time
Allied Benefit Systems
Allied Benefit Systems: Administers self-insured health benefit plans for employer organizations.
7+ YOE7+ years building production backend systems; expertise in C#/.NET, API design, scalable architectures, relational databases, cloud deployment; bachelor's in CS/IT or equivalent.
C#, .NET, ASP.NET Web APIs, .NET Core, Entity Framework Core, SQL Server, MySQL, Azure, AWS, GCP, Terraform, Azure DevOps
1mo
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Sr. Backend Dev – Java/Spring Boot, Angular, Cloud - TX
Texas or Chicago or New York City
$44k-$154k/yr HybridFull Time, Contract
Photon: A digital modernization services firm that builds and operates digital experiences for large enterprises.
5+ YOE5+ years software development experience; strong Java and Spring Boot skills, Angular, cloud (GCP/Azure), CI/CD, RESTful APIs/microservices, data structures and algorithms; 3+ years building APIs; ability to lead technical decisions and mentor engineers.
Java, Spring Boot, Angular, GCP, Azure, CI/CD, RESTful APIs, Microservices, Kafka, Pub/Sub