1w
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Senior Backend Engineer
Chicago, Illinois, United States
$110k-$140k/yr OnsiteFull Time
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
1mo
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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
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
5d
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Backend Engineer, Credit Decisions
Chicago, Illinois, United States
$173k-$260k/yr HybridFull Time
6+ YOEBachelor's degree and 6+ years software development experience; proficiency across stack with 2+ of Java, Ruby, Scala, Python, SQL; experience with Spark, IDEs, AWS, distributed systems, cloud services (gRPC, GraphQL, Docker, Kubernetes); strong engineering and collaboration skills.
Java, Ruby, Scala, Python, SQL, Spark, IDE, AWS, gRPC, GraphQL, Docker, Kubernetes
2mo
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Senior Backend Engineer (Ruby on Rails/Python) - Content Foundations
San Francisco or Atlanta or Austin or Boston or Chicago or Dallas or Denver or Houston or Jacksonville or Los Angeles or Miami or New York City or Phoenix or Portland or Sacramento or Salt Lake City or San Diego or Seattle or Washington, D.C. or Ottawa or Toronto or Vancouver or Mexico City
$120k-$217k/yr HybridFull Time
7+ YOE7+ years software engineering; experience with ingestion pipelines, ETL, and content processing; proficient in Ruby, Python, or Go; AWS and distributed workflows; strong DB design; effective communicator.
Ruby, Python, Go, AWS, SQL, NoSQL, ETL, LLM
2w
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Lead Backend Software Engineer
Chicago, Illinois, United States
$185k-$215k/yr RemoteFull Time
7+ YOE7+ years backend experience with strong Python skills, hands-on technical leadership, experience with FastAPI, relational data modeling, PostgreSQL/ORMs, AWS services, CI/CD, and mentoring engineers.
Python, FastAPI, PostgreSQL, SQLAlchemy, Alembic, Flyway, AWS, ECS, Lambda, RDS, S3, IAM, Docker, Git, GitHub Actions, AWS CodePipeline, Claude Code, Cursor, Terraform, Terragrunt, Datadog, Sentry, LangGraph, Claude Code SDK, Amazon Bedrock
4w
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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
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
3d
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Senior Backend Software Engineer (USA Remote)
Chicago, Illinois, United States
$112k-$187k/yr RemoteFull Time
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
3d
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Lead Software Engineer, Back End
Chicago, Illinois, United States
$179k-$205k/yr OnsiteFull Time
4+ YOEBachelor's degree, 4+ years software engineering experience, 1+ year cloud experience, proficiency in Java/Python/SQL/Node/Go/Scala, experience with Docker/Kubernetes and AWS, strong communication and critical thinking.
Java, Python, SQL, Node, Go, Scala, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud
1mo
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Senior Backend Java Engineer (Chicago Hybrid)
Chicago, Illinois, United States
$130k-$150k/yr HybridFull Time
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
3mo
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Python Developer IV
Webster or Chicago or St Petersburg or Phoenix or Tempe
$111k-$175k/yr HybridFull Time
5+ YOE5+ years backend software development; Python/Django; AWS; REST APIs; PostgreSQL/MySQL; Docker; CI/CD.
Python, Django, REST, Celery, Redis, AWS, EC2, S3, RDS, Lambda, CloudWatch, PostgreSQL, MySQL, Docker, Kubernetes, Jenkins, GitHub Actions
1w
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Backend / Platform Developer Consultant (Temporal & Kubernetes)
Chicago or United States
RemoteFull Time
Experienced in building and operating JVM services, Temporal workflows, Kafka event streams, Kubernetes on AWS, CI/CD/GitOps, observability, and platform engineering; strong Java and systems-engineering skills.
Java, JVM, Spring Boot, Go, Python, TypeScript, JavaScript, C#, Temporal, Apache Airflow, Prefect, Kafka, Kafka Connect, Kafka Streams, Avro, Protobuf, MSK, Confluent, GraphQL, OpenTelemetry, Kubernetes, EKS, AWS, ArgoCD, Flux, Terraform, OpenTofu, Crossplane, ACK, controller-runtime, kubebuilder, Helm, OCI, External Secrets Operator, Karpenter, KEDA, Istio, SPIFFE, SPIRE, SQS, SNS, RabbitMQ, JWT, gRPC, REST
2mo
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Senior Software Engineer, Backend Services
Chicago, Illinois, United States
$150k-$170k/yr HybridAll Commitments Available
5+ YOESenior Python engineer with 5-7 years in large-scale systems, building SaaS/PaaS, and data management experience.
Python, FastAPI, Flask, PostgreSQL, SQL, REST, AWS, Docker, PySpark, Kafka, OpenSearch, Elasticsearch, Lustre, GPFS, VAST, Parquet, S3, Security: OAuth2, SAML, OpenID Connect
3w
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Python Software Engineer - Temporary to Perm
Chicago, Illinois, United States
$70-$90/hr OnsiteContract
7+ YOE7+ years backend/full-stack development experience, strong Python skills, Azure Functions and event-driven systems experience, database integration, microservices and cloud security familiarity, practical LLM/AI tooling exposure.
Python, Azure Functions, Azure Event Grid, Durable Functions, API Management, SQL, NoSQL, Azure SDKs, Azure Cognitive Services, LangChain, AutoGen, Semantic Kernel
1mo
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Lead Software Quality Engineering, Backend
Chicago, Illinois, United States
$150k/yr OnsiteFull Time
8+ YOE8+ years in backend testing or software development; strong automation, cloud backend, data validation, and regulatory compliance experience.
Python, Kotlin, Java, SQL, BigQuery, Cassandra
1mo
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Sr. Data Python Engineer - FreeWheel
Englewood or Chicago
$136k-$204k/yr OnsiteFull Time
7+ YOE7+ years building data pipelines or distributed backend systems with Python; hands-on AWS, CI/CD, Terraform, Kubernetes; Snowflake/Spark and SQL experience; bachelor’s degree preferred.
Python, Snowflake, Spark, SQL, AWS, CI/CD, Terraform, Kubernetes, Snowpark, Databricks
1mo
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Senior Software Engineer
Chicago or United States
$113k-$183k/yr RemoteFull Time
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
2w
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Senior Developer - IT
Arlington Heights, Illinois, United States
$112k-$147k/yr OnsiteFull Time
4+ YOEBachelor's in CS/CE/EE/MIS,4+ years software development experience, AWS and backend API experience (Java/Node/Python), CI/CD, Kubernetes, Git, cloud platforms, Agile, strong communication; must be authorized to work in the US.
AWS Lambda, AWS Step Functions, Amazon CloudWatch, Amazon CloudFront, Amazon Cognito, Amazon Route 53, Amazon DynamoDB, Amazon ECS, Amazon EC2, Amazon S3, Amazon RDS, Amazon RDS - Aurora Postgres, Active MQ, Secrets Manager, Parameter Store, Amazon EFS, Git, Python, Bash, PowerShell, Node.js, Java, Springboot, Angular 15, Github, Harness, Artifactory, Kubernetes, Microsoft .Net Framework, Microsoft .Net Core, SQL, NoSQL, JSON, XML, OAuth, Claude, Agentic AI, CoPilot, AWS, Azure, GCP, Jira, Confluence, Microsoft Azure DevOps
3w
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Senior Software Engineer
Westchester, Illinois, United States
$99k-$124k/yr RemoteFull Time
10+ YOEBachelor's in CS/IT, 10+ years software development with backend Java experience; proficiency in Python/Go, Spring Framework, cloud platforms, containerization, relational databases, CI/CD, and strong communication.
Java, Python, Go, Spring Framework, Spring Boot, Spring Data, Spring Security, MySQL, PostgreSQL, AWS, Azure, GCP, Docker, Kubernetes, React, Angular
3mo
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Machine Learning Senior/Staff Software Engineer
Chicago, Illinois, United States
$150k-$190k/yr HybridFull Time
5+ YOE5+ years of production ML/vision experience; backend architecture ownership; cloud experience; Python/backend proficiency; hybrid/startup environment adaptability.
Python, AWS, Java, TypeScript, Go
2mo
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Senior Platform Engineer
Atlanta or Boston or Chicago or Dallas or New York
HybridFull Time
6+ YOE6+ years backend platform engineering; Kubernetes, Python, Postgres, Kafka, Redis; security and AI tooling.
Python, FastAPI, Pydantic, SQLAlchemy, Alembic, PostgreSQL, Redis, Kafka, Docker, Kubernetes, OpenTelemetry, Prometheus, Helm, Vault, Azure Key Vault, Azure Monitor
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