1mo
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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
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 Software Engineer - Backend
San Ramon or California
$120k-$180k/yr HybridFull Time
5+ YOE5+ years backend engineering with Node.js and TypeScript, experience with PostgreSQL and MongoDB, AWS and Docker, production ownership, API and systems design, observability, and secure coding practices.
Node.js, TypeScript, PostgreSQL, MongoDB, AWS, Docker, Redis, EC2, Lambda, RDS, S3, SQS, Kafka, RabbitMQ, Datadog, CloudWatch, New Relic, OAuth 2.0, JWT
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
2mo
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Senior Software Engineer - Backend Systems
Berkeley, California, United States
HybridFull Time
8+ YOE8+ years in software engineering; backend focus; strong in at least one backend language; cloud platforms; relational and non-relational DBs; containers; CI/CD; mentoring; able to own end-to-end projects.
Docker, Kubernetes, PostgreSQL, MySQL, Redis, MongoDB, DynamoDB, Kafka, SQS, RabbitMQ, Terraform, Pulumi, AWS, GCP, Azure
2mo
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Senior Software Engineer- Backend
Concord, California, United States
$130k-$150k/yr OnsiteFull Time
4+ YOE4+ years in software development; strong C#, .NET Core, Go; REST APIs; SQL/NoSQL; microservices; Docker/Kubernetes; AI-assisted tools; full-stack knowledge preferred.
C#, .NET Core, Go, SQL, NoSQL, REST, WebSocket, JSON, JavaScript, TypeScript, PostgreSQL, Redis, RabbitMQ, Kafka, Docker, Kubernetes, Git, CI/CD, XUnit, AI-assisted development tools
1mo
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Senior Software Engineer, Back-End (Payments)
United States or Santa Ana or San Francisco or Oakland or Berkeley or New Jersey or Texas or Florida or Shanghai or Hong Kong or Japan or Canada or Mexico or Germany or France
$141k-$229k/yr HybridFull Time
6+ YOE6+ years engineering experience, deep C#/.NET backend skills, frontend experience with React/Svelte/TypeScript, payments/gateway and distributed-systems experience, observability and security mindset.
Stripe, PayPal, C#, .NET, React, Svelte, TypeScript, PostgreSQL, DynamoDB, Kafka, Kubernetes, AWS, Datadog
3w
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Staff Software Engineer (Backend) - Everand Core
San Francisco or Ottawa or Phoenix or Toronto or Los Angeles or Denver or Salt Lake City or Atlanta or Chicago or Houston or Portland or New York City or Vancouver or San Diego or Sacramento or Jacksonville or Seattle or Mexico City or Austin or Miami or Boston or Dallas or Charlotte
$141k-$267k/yr HybridFull Time
Significant backend engineering experience building and scaling distributed systems; strong coding in Ruby/Scala/Go/Python; expertise in reliability, observability, SLOs, and mentoring; cross-functional collaboration experience.
Ruby, Scala, Go, Python
1w
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Senior Software Engineer (Java back-end)
Alpharetta or Rancho Cordova
$93k-$202k/yr HybridFull Time
4+ YOE4+ years Java and Spring Boot microservices experience, hands-on Azure Functions/Durable Functions, strong relational DB design and production support experience; bachelor's in CS/engineering preferred.
Java 17, Spring Boot, Azure Functions, Azure Durable Functions, REST APIs, Microsoft Azure, Service Bus, Event Grid, Azure Kubernetes Service (AKS), Application Insights, Azure DevOps, Docker, Kubernetes, CI/CD, Infrastructure as Code (IaC)
2mo
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Senior Engineer, Server – NBA 2K
Novato, California, United States
$131k-$174k/yr RemoteFull Time
5+ YOE5+ years backend experience; strong C++; Python or similar scripting; distributed systems; multithreading; database optimization.
C++, Python, SQL, MySQL, Microsoft SQL Server, PHP, Perl, Ruby
2mo
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Senior Research Engineer - Voleon Securities
New York City or Berkeley
$225k-$310k/yr HybridFull Time
5+ YOE5+ years software engineering; backend/distributed systems; Python/Go/C++; databases and APIs; strong collaboration.
Python, Go, C++, PostgreSQL, MySQL, Cassandra, DynamoDB, SQLite, DuckDB, MongoDB, REST, gRPC
2mo
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Senior Specialty Protocol Engineer
Iselin or Columbus or Concord
$119k-$224k/yr HybridFull Time
4+ YOE4+ years specialty software engineering; 3+ years backend or systems programming in Go; 6+ months ECC; 1+ year distributed systems; experience with Cosmos SDK, CometBFT.
Go, Cosmos SDK, CometBFT, Tendermint, Pedersen Commitments, Bulletproofs, Sigma protocols, MPC, Ristretto255
2mo
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Senior Engineer, Server – NBA 2K
Novato, California, United States
$131k-$174k/yr RemoteFull Time
5+ YOE5+ years backend software development; strong C++; Python or similar; distributed systems; multithreaded and database optimization.
C++, Python, SQL, MySQL, Microsoft SQL Server
3w
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Senior Software Engineer, Reporting Engine
San Ramon or New York City
$153k-$210k/yr HybridFull Time
6+ YOE6+ years building large-scale backend or distributed systems; strong programming in Kotlin, Java, or Python; cloud-native (AWS) experience; system design, concurrency, performance, and mentoring skills.
Kotlin, Java, Python, AWS, Claude Code, Cursor AI, ChatGPT, Trino, Spark, React
1mo
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Senior Software Engineer, Full-Stack (Power Packs)
California or San Francisco or Oakland or Berkeley or Santa Ana or New Jersey or Texas or Florida or Japan or Shanghai or Hong Kong or Canada or Mexico or Germany or France
$141k-$229k/yr HybridFull Time
5+ YOE5+ years engineering experience with strong backend focus, 3+ years Java and Spring Boot, frontend experience with Javascript/Typescript/React/NextJS, database and containerization experience, API design, and familiarity with Agile and AI tooling.
Javascript, Typescript, React, NextJS, Java, Spring Boot, PostgreSQL, DynamoDB, Docker, Kubernetes, ECS, Claude, Apache Kafka, Python, pytest, unittest, AWS, AWS Lambda, Svelte, SvelteKit, Twitch
1mo
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QA Engineer
El Dorado Hills, California, United States
OnsiteFull Time
5+ YOE5+ years in software testing with strong manual testing, test planning, SQL for backend validation, use of AI tools (e.g., Claude, ChatGPT), structured reporting, and ability to operate on distributed teams.
Claude, ChatGPT, SQL, Postman, REST, Jira, Zephyr
1mo
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Software Engineering Manager
Davis, California, United States
$135k-$165k/yr HybridFull Time
10+ YOE10+ years software engineering experience with technical leadership; expert Python and Django, Angular, PostgreSQL/PostGIS, scalable backend design, agile/scrum, AI-assisted tooling familiarity, and strong communication; located within commuting distance of Davis, CA.
Python, Django, Angular, PostgreSQL, PostGIS, Claude Code, Cursor, AWS, CloudFormation, Terraform, Modbus, OPC-UA, MQTT, CAN bus, SCADA, IoT, Scrum
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