2mo
Save
Mark Applied
Hide
Backend Software Engineer - Saga
New York or Seattle or Arlington or Rosslyn
OnsiteFull Time
4+ YOE4+ years backend software engineering; experience with GenAI systems, vector databases, LLM integrations, and evaluation harnesses; strong problem solving and ownership.
GenAI, vector databases, LLM integrations, RAG architectures, tool-call frameworks, production-grade software
2mo
Save
Mark Applied
Hide
Software Engineer - Backend
Seattle, Washington, United States
$130k-$170k/yr HybridFull Time
3+ YOE3+ years backend software engineering; TypeScript; PostgreSQL; API design; experience with external integrations; strong communication.
TypeScript, PostgreSQL, APIs, HRIS integration
1mo
Save
Mark Applied
Hide
Staff Backend Software Engineer
Denver or Beaverton or Seattle or Springfield or Bengaluru
$172k-$223k/yr HybridFull Time
10+ YOE10+ years backend experience with Node.js/TypeScript, AWS (EKS, MSK/Kafka, S3), document databases (DocumentDB/MongoDB), Terraform, observability and on‑call practices; strong system design and technical leadership skills.
Node.js, TypeScript, Express, AWS, EKS, MSK (Kafka), Kafka, S3, Lambda, DocumentDB, MongoDB, Secrets Manager, CloudWatch, Terraform, Kubernetes
2mo
Save
Mark Applied
Hide
Senior Software Engineer, Backend
Seattle, Washington, United States
$191k-$263k/yr HybridFull Time
5+ YOE5+ years of software engineering; MySQL; microservices; leadership and mentoring; cross-functional collaboration.
MySQL, Microservices, Backend APIs, Programming
2mo
Save
Mark Applied
Hide
Senior Software Engineer, Backend - RQL
San Francisco or Seattle
$168k-$280k/yr OnsiteFull Time
6+ YOE6+ years backend engineering experience; strong backend development, distributed systems and big-data skills; mentoring experience; familiarity with Python, MongoDB, CDC, Kafka, Aurora, Trino/Presto, Pinot, Iceberg, and Flink.
Python, MongoDB, CDC, Kafka, Aurora, Trino, Presto, Pinot, Iceberg, Flink
2mo
Save
Mark Applied
Hide
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
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
3mo
Save
Mark Applied
Hide
Backend Senior Software Engineer
Austin or Bellevue
$111k-$172k/yr HybridFull Time
2+ YOESenior backend engineer with a bachelor's or master’s in STEM and 2+ years (or 5+ yrs directly) of related experience; strong coding and problem-solving skills.
Java, C++, HTML, CSS, JavaScript, Python, C#, PHP, Angular, React, Kubernetes, Docker, APIs, SQL
2w
Save
Mark Applied
Hide
Senior Software Engineer - Backend (Integrations)
Seattle, Washington, United States
$180k-$210k/yr HybridFull Time
7+ YOE7+ years backend/distributed systems experience; strong event-driven architecture and API design skills; familiarity with OAuth2 and webhooks; experience with Kafka/SQS and backend languages such as Python or Java.
Kafka, SQS, OAuth2, webhooks, Python, Java
2w
Save
Mark Applied
Hide
Senior Backend Engineer
Seattle, Washington, United States
$160k-$220k/yr OnsiteFull Time
4+ YOE4+ years software engineering experience, strong engineering fundamentals, autonomy, and ability to build reliable, low-latency backend systems for voice and AI pipelines.
6d
Save
Mark Applied
Hide
Software Engineer, Backend, Level 4
Los Angeles or New York City or Bellevue or Seattle or San Francisco or Palo Alto or Santa Monica
$133k-$235k/yr OnsiteFull Time
2+ YOEBachelor's in a technical field or equivalent experience,2+ years post-Bachelor’s software development experience,experience with distributed systems,operational skills,collaboration and strong CS fundamentals.
Java, C++, Python, NoSQL, Memcache, Redis, Kubernetes, Google services, AWS services
1d
Save
Mark Applied
Hide
Senior Backend Engineer
Bellevue, Washington, United States
$162k-$238k/yr OnsiteFull Time
4+ YOE4+ years building secure, scalable web services; backend development in Java/Scala; front-end framework experience; cloud (AWS); relational and NoSQL database knowledge.
Java, Scala, AWS, Mongodb, Dynamo, Redis, React, Vue, Angular
1d
Save
Mark Applied
Hide
Senior Software Engineer - Backend
San Francisco or Seattle
$140k-$193k/yr HybridFull Time
5+ YOEB.S. or M.S. in CS or related, 5+ years software development, experience with distributed systems and stream-processing (Kafka, Flink, Kinesis), proficiency in Ruby/Golang/Kotlin/Java, relational and NoSQL databases, cloud infrastructure, IoT/geospatial a plus.
Kafka, Flink, Kinesis, Ruby, Golang, Kotlin, Java, PostgreSQL, DynamoDB, Redis, Cassandra, AWS, GCP, Azure, Cursor, CoPilot
1mo
Save
Mark Applied
Hide
Senior Software Engineer, Backend
Bellevue, Washington, United States
$160k-$210k/yr HybridFull Time
Senior backend engineer experienced with .NET Core (or similar), AWS, building partner integrations, scaling distributed systems, strong ownership, communication, testing focus, and operational excellence.
.NET Core, Java, Kotlin, AWS, RDS, ClickHouse, Datadog, CI/CD, ContextGPT
2mo
Save
Mark Applied
Hide
Senior Software Engineer - Backend Services
Seattle, Washington, United States
$155k-$190k/yr HybridFull Time
5+ YOE5+ years backend engineering experience, strong Python async skills, production ownership, cloud-native platform experience, LLM/API integrations, and secure service practices.
Python, uv, ruff, ty, OpenAI, Microsoft Azure OpenAI, LangGraph, LangChain, MCP, A2A, Docker, devcontainers, Kubernetes, CI/CD, AKS, Terraform, Terragrunt, Snyk, JFrog, Docker/PyPI proxying, Microsoft Azure Pipelines
1mo
Save
Mark Applied
Hide
Senior Backend Engineer
Madrid or Paris or Seattle or London or Berlin or San Francisco or New York City or Sydney or Mexico City
HybridFull Time
6+ YOE6+ years backend development with a typed language (TypeScript preferred), production AWS experience, infrastructure-as-code (CloudFormation or Terraform), security-first mindset, serverless experience, GraphQL a plus, on-call rotation and mentoring experience.
TypeScript, AWS, CloudFormation, Terraform, GraphQL
1mo
Save
Mark Applied
Hide
Software Engineer, Backend, Level 5 – Ads Delivery
Bellevue or Los Angeles
$178k-$313k/yr OnsiteFull Time
6+ YOEBachelor's or equivalent; 6+ years post-Bachelor’s software development experience; experience with distributed systems, large-scale backend services, Java/C++/Python, NoSQL, Redis/Memcache, Kubernetes, cloud services, and operating highly-available systems.
Java, C++, Python, NoSQL, Memcache, Redis, Kubernetes, Google services, AWS services, AI tools
2w
Save
Mark Applied
Hide
Backend Software Development Engineer II
Seattle, Washington, United States
$119k-$167k/yr OnsiteFull Time
2+ YOEBachelor's degree or equivalent,2+ years software engineering experience,ownership of services end-to-end,proficiency in modern programming languages,systems design and production operations experience,foundational AI/ML familiarity.
Java, Scala, Kotlin, CI/CD, AI/ML
2mo
Save
Mark Applied
Hide
Senior Backend Engineer- Platform
Seattle, Washington, United States
$160k-$190k/yr OnsiteFull Time
5+ YOE5+ years backend development; cloud infra; TypeScript or Python; on-site 3 days in Seattle; bachelor's in CS or equivalent.
TypeScript, Python, Google Cloud Platform, Amazon Web Services, Microsoft Azure, Kubernetes, NoSQL, Infrastructure as Code
3w
Save
Mark Applied
Hide
Senior Backend Software Engineer, Content E-Commerce
Seattle, Washington, United States
$202k-$368k/yr OnsiteFull Time
5+ YOEBachelors in Computer Science or related,5+ years building highly scalable backend services,knowledge of databases/messaging,strong programming and system design skills.
Java, Golang, Python, C++, MySQL, Redis, Kafka
1mo
Save
Mark Applied
Hide
Senior Backend Engineer – AI Platform
Boston or San Francisco or Seattle or Dallas or Salt Lake City or Portland or United States
$122k-$146k/yr RemoteFull Time
5+ YOEBachelor's in CS/Software Engineering, 5–8 years software engineering experience; expertise in backend Java/C# (SpringBoot), REST/gRPC, SQL; experience building scalable distributed systems and AI/LLM-driven services.
Java, C#, SpringBoot, REST, gRPC, ODATA, SQL, OpenAI APIs, LangChain, Python, Kafka, Docker, Kubernetes, Model Context Protocol (MCP), Pinecone, Weaviate, OpenSearch, Milvus
Explore Jobs