1w
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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
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
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
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
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
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
3w
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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
1mo
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Senior Backend Developer/ DevSecOps Engineer
Louisville or Charlotte or Dallas or Tampa or Fort Lauderdale or Washington or Nashville or Miami or Boston or New York City or Chicago or Atlanta
$118k-$162k/yr RemoteFull Time
4+ YOE4+ years in software engineering/DevOps; strong .NET (C#), Microsoft Azure, Terraform, Python, CI/CD (GitHub Actions, Azure DevOps), PostgreSQL, MongoDB, Docker, API design, and security/tooling experience.
.NET (C#), Microsoft Azure, Microsoft Azure App Services, Microsoft Azure Functions, Microsoft Azure Service Bus, Microsoft Azure DevOps (ADO), GitHub Actions, Terraform, Python, MongoDB, PostgreSQL, Databricks, ADLS Gen2, JFrog Artifactory, HashiCorp Vault, LaunchDarkly, Splunk, Docker Desktop, Postman, Checkmarx, AppScan, Cycode, GLAPI
2d
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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
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
2mo
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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
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
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
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
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
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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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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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
2w
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Sr. Software Engineer
Chicago, Illinois, United States
$130k-$140k/yr RemoteFull Time
3+ YOEMaster's/PhD in CS/AI/ML, 3+ years deep learning or computer vision experience, strong backend engineering with Python and AWS, experience building data pipelines, ML platforms, and production services.
Python, AWS
2mo
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Software Engineer
Illinois or Kentucky or Kansas or Idaho or Washington or Michigan or Florida or California or Texas or Oklahoma or Tennessee or North Carolina or Minnesota or Massachusetts or Indiana or Georgia or Arizona or Missouri or Alabama or Connecticut or District of Columbia or South Carolina or Oregon
$79k-$119k/yr HybridFull Time
Backend software engineering role; experience with C# or Python; strong distributed systems knowledge; cloud experience preferred.
C#, Python, GitHub Actions, Azure, Kubernetes
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