206 backend developer jobs at 127 companies in Illinois

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Backend / Frontend Developer Intern
Chicago, Illinois, United States
OnsiteInternship
Prospect Equities
Prospect Equities: Full-Service Real Estate Brokerage and Franchise System
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
1mo
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Senior Backend Engineer
Chicago, Illinois, United States
$110k-$140k/yr OnsiteFull Time
Ubiety Technologies
Ubiety Technologies: Chicago-based private software building AI-powered wireless presence intelligence for homeowners, security providers, and public safety.
5+ YOE5+ years backend engineering experience; strong Go and Python skills; JavaScript/TypeScript desirable; experience with microservices on AWS or GCP, Docker/Kubernetes, Git, CI/CD, streaming platforms (Kafka/Kinesis/MQTT), and SQL/NoSQL databases; BS/MS preferred.
Go, Python, JavaScript/TypeScript, AWS, GCP, Docker, Kubernetes, Git, CI/CD, Kafka, Kinesis, MQTT, SQL, NoSQL
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Backend Engineer
California or Colorado or Georgia or Idaho or Illinois or Kansas or Massachusetts or Maryland or Michigan or Minnesota or New Jersey or New York or Ohio or Oregon or Pennsylvania or Rhode Island or Texas or Washington
$180k-$220k/yr RemoteFull Time
Unit21
Unit21: Private AI risk-infrastructure helping banks and fintechs detect fraud and manage anti-money-laundering operations.
5+ YOE5+ years in data/software engineering, experience with large-scale data processing, advanced SQL, Python/OOP, cloud platforms, and infrastructure-as-code (Terraform).
Apache Spark, Databricks, Flink, Beam, Python, SQL, AWS, Azure, Google Cloud, Terraform
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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: AI-powered facility intelligence platform helps commercial, industrial, and retail property owners assess assets and plan maintenance.
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
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Senior Backend Engineer, Experimentation
United States or 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
$163k-$264k/yr RemoteFull Time
LaunchDarkly
LaunchDarkly: B2B feature-management software helping engineering teams safely manage code releases and AI agents in production.
6+ YOERequires 6+ years of software engineering experience, backend production systems expertise, Go or comparable language skills, distributed systems and data-intensive product experience, cloud operations, and observability practices.
Go, Python, Rust, C++, ClickHouse, Postgres, Snowflake, Redshift, BigQuery, Databricks
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Senior Backend Engineer
Chicago or Milwaukee or Atlanta or Jacksonville
$123k-$209k/yr HybridFull Time
FIS, Inc.
FIS, Inc.NYSE: FIS: Global leader in financial technology and payment processing services.
5+ YOE5+ years of software engineering experience preferred, with Java, Spring Boot, Micronaut, RESTful APIs, microservices, PostgreSQL, Redis, AWS, Kubernetes, and Docker experience.
Java, JavaScript, TypeScript, RESTful APIs, Spring Boot, Micronaut, PostgreSQL, Redis, AWS, Kubernetes, Docker, Jenkins, Git, Jira, Confluence, Temporal, ActiveMQ, ReactJS
1w
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Senior Backend Engineer, Safety
United States or San Francisco or Los Angeles or New York City or Chicago
$191k-$267k/yr RemoteFull Time
Reddit
RedditNYSE: RDDT: Social news aggregation, web content rating, and discussion platform.
5+ YOERequires 5–8 years of software development experience, proficiency in Go, Python, Rust, or Ruby, API design experience, cross-functional collaboration, and a bachelor's degree in computer science or equivalent experience.
Go, Python, Rust, Ruby, GraphQL, REST, HTTP, Thrift, gRPC
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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
The Real Brokerage
The Real BrokerageTSXV: REAX: Real is a technology-enabled residential real estate brokerage serving agents, home buyers, and sellers.
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
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Principal Backend Engineer – Music Discovery Platform - Roon
New York or Illinois or Florida or Tennessee or Oregon or Kentucky or Connecticut or Kansas or California or Colorado or Missouri or Idaho or Arizona or Minnesota or Montana or Massachusetts or Indiana or District of Columbia or Michigan
$125k-$184k/yr RemoteFull Time
Harman International
Harman International: Designing and engineering connected products and solutions for automakers and consumers.
10+ YOE10+ years developing backend services; proficiency in Node.js, Python, or Go; expertise in APIs, microservices, cloud platforms, Docker, Kubernetes, databases, and CI/CD; leadership and mentoring experience.
Node.js, Python, Go, GCP, AWS, Azure, Docker, Kubernetes, PostgreSQL, BigQuery, Kafka, RabbitMQ, C#, .NET
1mo
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Sr. Backend Engineer – Java/Spring Boot | Onshore
Texas or Chicago or New York City
$40k-$140k/yr OnsiteFull Time, Contract
Photon Interactive
Photon Interactive: Full-service digital agency driving AI-led digital transformation.
7+ YOE7+ years backend development experience with Java and Spring Boot, event-driven systems using Kafka, PostgreSQL, cloud (AWS/GCP/Azure) experience, CI/CD and containerization, strong testing and debugging skills.
Java, Spring Boot, Apache Kafka, PostgreSQL, Redis, AWS, GCP, Azure
3w
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Senior Backend Software Engineer - Cloud (55446)
Vernon Hills, Illinois, United States
$108k-$126k/yr HybridFull Time
STERIS
STERISNYSE: STE: Global provider of infection prevention and sterilization solutions.
8+ YOE8+ years professional software development experience with C#/.NET, backend systems, APIs, integrations, relational and NoSQL databases, cloud-native solutions and production support.
C#, .NET, PostgreSQL, RavenDB, SQL Server, Microsoft Azure, Azure Functions, App Services, Azure SQL, Storage, Key Vault, Service Bus
1mo
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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: Public U.S. technology providing cloud software and hardware for restaurant and retail operators worldwide.
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
1mo
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Senior Backend Software Engineer (USA Remote)
Chicago, Illinois, United States
$112k-$187k/yr RemoteFull Time
Turnitin
Turnitin: Private educational-technology providing academic-integrity, grading, feedback, and secure-assessment software to educators, institutions, researchers, and publishers.
5+ YOE5+ years backend development experience; strong Java preferred; experience with AWS Lambda, API Gateway, DynamoDB; serverless and microservices knowledge; Git and CI/CD experience; strong problem-solving skills.
AWS Lambda, API Gateway, DynamoDB, Java, Python, Node.js, Git, GitHub Actions
1mo
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Senior Backend Engineer, Platform, Consumer Apps - Klover
Chicago or Redwood City
HybridFull Time
Attain
Attain: Private consumer data and advertising technology helping brands measure, target, and optimize media using permissioned purchase data.
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
3w
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Sr. Backend Engineer (Golang/Distributed Systems) - US/Canada
Illinois or Canada or United States
RemoteFull Time
Pack.com
Pack.com: Web3 gamified shopping platform for mystery packs and physical goods serving global players.
5+ YOERequires 5+ years of backend engineering experience, advanced Golang and Node.js, Kafka, GCP, Kubernetes, Redis, MongoDB, microservices, APIs, concurrency, and system design expertise.
Golang, Node.js, JavaScript, TypeScript, Apache Kafka, Google Cloud Platform (GCP), Kubernetes, Redis, MongoDB, RESTful, GraphQL, LLMs
2w
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Senior Backend Software Engineer
Chicago or San Francisco
OnsiteFull Time
FleetWorks
FleetWorks: Automating the 1B+ phone calls the freight industry makes every year
3+ YOERequires 3–6+ years of software engineering experience, TypeScript, Node.js, REST API design, external-system integration, AI-driven systems experience, strong communication, and Chicago location with 20–30% travel.
TypeScript, Node.js, REST API
3w
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Knowledge Engineer Manager - Back-end Engineer
Seattle or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$80k-$294k/yr HybridFull Time
Accenture
AccentureNYSE: ACN: Global professional services delivering 360° value.
5+ YOEMinimum 5 years in knowledge graph hydration, ontology mapping, graph and relational databases, vector databases, Python or Java, and REST API development; bachelor's degree or equivalent experience required.
RDF, OWL, SKOS, RDFS, SPARQL, R2RML, CSVW, SHACL, GraphDB, Stardog, Neo4j, Amazon Neptune, PostgreSQL, MySQL, SQL Server, Pinecone, Weaviate, Milvus, Qdrant, Elasticsearch, OpenSearch, Python, Java, SQL, JSON, XML, CSV, REST APIs, Apache NiFi, Airflow, Docker, Kubernetes, Helm, AWS Neptune, Azure Cosmos DB, GCP, Kafka, RabbitMQ, Git, GraphQL APIs, D3.js, Cytoscape.js, Terraform
2w
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Lead Back End Engineer
Chicago, Illinois, United States
$165k-$180k/yr HybridFull Time
Farmer's Fridge
Farmer's Fridge: Private Chicago food making chef-crafted meals and selling them through its nationwide smart vending-machine network.
10+ YOE10+ years of software engineering experience; strong Go or equivalent-language experience; hardware, firmware, Linux, LLM, mentoring, architecture, testing, and technical communication skills.
Go, Linux, AWS, LLMs
2mo
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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: Private fintech wealth platform and self-clearing custodian providing integrated tools for independent financial 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
1mo
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Senior/Staff/Principal Backend Engineer, Platform & Data Ingestion
San Francisco or New York City or Arizona or California or Colorado or Connecticut or Florida or Georgia or Illinois or Louisiana or Massachusetts or Minnesota or North Carolina or New Jersey or Nevada or New York or Ohio or Pennsylvania or South Carolina or Tennessee or Texas or Washington or District of Columbia
$150k-$236k/yr HybridFull Time
Verana Health
Verana Health: Digital health providing real-world data, analytics, and clinical research services to clinicians and life sciences companies.
4+ YOE4+ years building scalable APIs, microservices, and high-volume ETL; experience with Scala/Elixir or typed languages, OpenSearch/Elasticsearch, OCR/document parsing, SQL and data modeling; strong communication skills.
Scala, Elixir, Java, C#, C++, OpenSearch, Elasticsearch, OCR, Postgres, MySQL, Databricks, Snowflake, BigQuery, AWS, GCP, Amazon SQS, Kafka, Google PubSub, TypeScript, Angular, React