407 backend software engineer jobs at 143 companies in Mountlake Terrace, WA

1w
Save
Mark Applied
Hide
Backend Software Engineer
San Francisco or Los Angeles or Washington or San Diego or Seattle or London
$130k-$220k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Redefining modern defense with a multi-product portfolio.
U.S. Person status, ability to obtain and maintain a U.S. security clearance, and backend/cloud engineering experience with scalable systems, infrastructure, reliability, and operations.
Microsoft Azure, Python, Terraform, Kubernetes, TypeScript, React, CI/CD
3mo
Save
Mark Applied
Hide
Backend Software Engineer - Saga
New York or Seattle or Arlington or Rosslyn
OnsiteFull Time
Rune Technologies
Rune Technologies: Logistics wins wars. Rune wins logistics.
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
3mo
Save
Mark Applied
Hide
Software Engineer - Backend
Seattle, Washington, United States
$130k-$170k/yr HybridFull Time
Avante
Avante: N AI-native employee-benefits intelligence platform serving employers with benefits guidance, analytics, and cost insights.
3+ YOE3+ years backend software engineering; TypeScript; PostgreSQL; API design; experience with external integrations; strong communication.
TypeScript, PostgreSQL, APIs, HRIS integration
3mo
Save
Mark Applied
Hide
Senior Software Engineer, Backend
Seattle, Washington, United States
$191k-$263k/yr HybridFull Time
Plaid
Plaid: Fintech data network connecting consumers’ financial accounts to apps and services.
5+ YOE5+ years of software engineering; MySQL; microservices; leadership and mentoring; cross-functional collaboration.
MySQL, Microservices, Backend APIs, Programming
2mo
Save
Mark Applied
Hide
Staff Backend Software Engineer
Denver or Beaverton or Seattle or Springfield or Bengaluru
$172k-$223k/yr HybridFull Time
DAT
DAT: Private freight marketplace and logistics software serving shippers, brokers, carriers, and transportation analysts.
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
3mo
Save
Mark Applied
Hide
Backend Senior Software Engineer
Austin or Bellevue
$111k-$172k/yr HybridFull Time
Visa
VisaNYSE: V: Global payment technology facilitating electronic funds transfers.
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
1mo
Save
Mark Applied
Hide
Senior Backend Engineer
Seattle, Washington, United States
$160k-$220k/yr OnsiteFull Time
Aurelian
Aurelian: Private AI software helping U.S. 911 centers automate non-emergency calls and support emergency call-takers.
4+ YOE4+ years software engineering experience, strong engineering fundamentals, autonomy, and ability to build reliable, low-latency backend systems for voice and AI pipelines.
3mo
Save
Mark Applied
Hide
Senior Software Engineer, Backend - RQL
Seattle or San Francisco
$168k-$280k/yr OnsiteFull Time
Rippling
Rippling: Unified workforce management platform for HR, IT, and Finance.
6+ YOE6+ years backend engineering experience; experience with distributed systems, distributed processing engines, big data technologies, mentoring developers, and building data platforms.
Python, MongoDB, CDC, Kafka, Aurora, Trino, Presto, Pinot, Iceberg, Flink, Rippling Query Language (RQL), Microsoft 365
2mo
Save
Mark Applied
Hide
Senior Software Engineer, Backend
Bellevue, Washington, United States
$160k-$210k/yr HybridFull Time
Cognitiv
Cognitiv: AI advertising helping brands and advertisers target consumers with deep-learning media-buying technology.
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
3mo
Save
Mark Applied
Hide
Senior Software Engineer - Backend Services
Seattle, Washington, United States
$155k-$190k/yr HybridFull Time
Truveta
Truveta: Private health-data and analytics providing real-world healthcare intelligence and evidence to researchers, clinicians, and life-science organizations.
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
Staff Software Engineer - Backend
Seattle, Washington, United States
$213k-$256k/yr HybridFull Time
LiveView Technologies
LiveView Technologies: Private mobile security providing rapidly deployable surveillance hardware and SaaS software to public and commercial organizations.
7+ YOE7+ years backend engineering experience; 3+ years Node.js and TypeScript; API design (OpenAPI/REST), GraphQL, Docker, Kubernetes, CI/CD, SQL; mentorship and strong communication; BS/MS or equivalent experience.
Node.js, TypeScript, OpenAPI, REST API, GraphQL, NestJS, Docker, Kubernetes, CI/CD, SQL
1w
Save
Mark Applied
Hide
Backend Engineer
Denver or Seattle or Washington or San Francisco or Los Angeles or Arvada or San Francisco or Nashville or Denver or Santa Fe or New Orleans or San Diego or Bozeman or New York City
$120k-$180k/yr HybridFull Time
Quindar
Quindar: Automation First. Mission Ready. Mission management software delivering a common operating picture, system-of-systems integration, and resiliency across commercial and government space missions.
3+ YOERequires Python backend development, AWS, GraphQL, Docker, Terraform, APIs, Kubernetes, Git, a computer science bachelor's degree, and 3+ years of experience; U.S. person status and security clearance eligibility required.
Python, AWS, GraphQL, Docker, Terraform, OpenAI, Anthropic, AskSage, Kubernetes, AWS Lambda, Amazon ECS, Amazon EKS, Amazon CloudWatch, Amazon S3, Amazon EFS, Amazon EBS, Amazon EC2, Amazon RDS, Git, GitHub, GitLab, CI/CD
1w
Save
Mark Applied
Hide
Backend Engineer, Link (US)
New York City or Seattle or San Francisco or Toronto
HybridFull Time
Stripe
Stripe: Financial infrastructure platform for online businesses and enterprises.
2+ YOERequires 2–10+ years of industry software engineering experience, strong coding and collaboration skills, autonomy, and interest in backend work across varied technologies and stacks.
1w
Save
Mark Applied
Hide
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
2mo
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
WEX
WEXNYSE: WEX: Provides global payment processing and business information management services.
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
1mo
Save
Mark Applied
Hide
Senior Backend Software Engineer, Content E-Commerce
Seattle, Washington, United States
$202k-$368k/yr OnsiteFull Time
TikTok
TikTok: Short-form mobile video and social media platform.
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
2mo
Save
Mark Applied
Hide
Senior Software Engineer, Backend
Seattle or New York
$183k-$247k/yr OnsiteFull Time
Duolingo
DuolingoNasdaq: DUOL: Public U.S. education technology providing free and subscription-based language learning and English proficiency testing.
Bachelor's in CS or related, strong data structures/algorithms and software design, experience with Java/Python/Kotlin, database technologies, and observability; experience building high-traffic APIs and cloud infra preferred.
Java, Python, Kotlin, OpenTelemetry, Grafana, Prometheus, DataDog
1mo
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
Snap
SnapNYSE: SNAP: Provides visual messaging software and augmented reality wearable devices.
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
2mo
Save
Mark Applied
Hide
Senior Backend Software Engineer - Global Commercial Services Technology
Seattle or Phoenix or New York or Washington or Sunrise or Richmond
$123k-$215k/yr HybridFull Time
American Express
American ExpressNYSE: AXP: Global financial services offering payment and travel products.
5+ YOE5+ years backend engineering experience; bachelor’s in CS or related; hands-on Golang, AWS, distributed systems, Kafka, CockroachDB, Camunda/Temporal, Datadog; strong communication and mentoring skills; US work eligibility required.
Golang, AWS, CockroachDB, Camunda, Temporal, Datadog, Kafka, Lambda, ECS, SQS, API Gateway, RDS, S3
4w
Save
Mark Applied
Hide
Senior Software Engineer - Backend
San Francisco or Seattle
$140k-$193k/yr HybridFull Time
Motive
Motive: Integrated operations platform serving physical-economy organizations that manage workers, vehicles, equipment, and fleet spending.
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