381 backend development jobs at 148 companies in Kirkland, WA

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Senior Backend Engineer
Bellevue, Washington, United States
$162k-$238k/yr OnsiteFull Time
Epic Games
Epic Games: Develops video games and licenses the Unreal game engine.
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
1mo
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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
Aircall
Aircall: Cloud-based business phone system and customer communication platform.
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
1d
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Backend Software Engineer
Seattle, Washington, United States
$100k-$150k/yr OnsiteFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
3+ YOERequires 3+ years of software development experience, including 2+ years in cloud/backend systems, RESTful APIs, production scaling, AWS or comparable cloud platforms, backend programming, testing, and a relevant bachelor's degree or equivalent.
AWS, GCP, Heroku, Java, Python, Node.js, RESTful APIs, Express, JavaScript ES6+, Mocha, Chai, Sinon, React, Android, Ansible, Git, CI
4w
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Backend Software Development Engineer II
Seattle, Washington, United States
$119k-$167k/yr OnsiteFull Time
Expedia Group
Expedia GroupNASDAQ: EXPE: Operates a global platform for travel bookings and services.
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
1mo
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Senior Backend Engineer
Seattle, Washington, United States
$160k-$220k/yr OnsiteFull Time
Aurelian
Aurelian: AI-powered voice automation for 9-1-1 non-emergency calls.
4+ YOE4+ years software engineering experience, strong engineering fundamentals, autonomy, and ability to build reliable, low-latency backend systems for voice and AI pipelines.
2mo
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Software Engineer - Backend
Seattle, Washington, United States
$130k-$170k/yr HybridFull Time
Avante
Avante: AI-powered platform for managing employee benefits and data.
3+ YOE3+ years backend software engineering; TypeScript; PostgreSQL; API design; experience with external integrations; strong communication.
TypeScript, PostgreSQL, APIs, HRIS integration
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Backend Engineer
San Francisco or New York City or Austin or Seattle
$175k-$300k/yr OnsiteFull Time
Fluidstack
Fluidstack: Provides high-performance cloud GPU infrastructure for AI development.
Experience building production services, observability, API and control-plane design, API-first infrastructure, incident response/pager duty, and familiarity with AI tooling and distributed systems.
LLM APIs, MCP servers, Claude Code, Cursor, Prometheus, Thanos, VictoriaMetrics, Temporal, Cadence, BMC/Redfish, Go, Python, Postgres, Kubernetes
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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: Develops advanced radar and sensing systems for modern defense.
Backend and cloud engineering experience with scalable distributed systems; must be a U.S. Person and able to obtain and maintain a U.S. security clearance.
Microsoft Azure, Python, Terraform, Kubernetes, TypeScript, React, CI/CD
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
LaunchDarkly
LaunchDarkly: Provides a feature management platform for software development teams.
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
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Senior Backend Engineer | On-Site | Seattle
Seattle, Washington, United States
$120k-$200k/yr OnsiteFull Time
Grid
Grid: Mobile app for cash advances and tax refund optimization.
Experience building and operating production backend systems (preferably in Go on GCP), strong data-driven development skills, familiarity with distributed/event-driven systems, and SQL proficiency.
GCP, Go, protobufs, BigQuery, MySQL, Spanner, SQL, Pub/Sub
2mo
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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
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Senior Backend Engineer
Seattle, Washington, United States
$167k-$230k/yr OnsiteFull Time
Otter
Otter: Software for restaurants to manage and grow online orders.
Proficiency in Java; familiarity with PostgreSQL, MongoDB, Redis; experience with AWS, Google Cloud, or Azure; understanding of RESTful APIs, microservices, and distributed systems; strong debugging and problem-solving skills.
Java, PostgreSQL, MongoDB, Redis, AWS, Google Cloud, Azure, RESTful APIs, microservices, distributed systems
1mo
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Senior Backend Engineer
Seattle, Washington, United States
$167k-$230k/yr OnsiteFull Time
Atoms
Atoms: Building robotics and software to automate physical world industries.
Proficiency in Java; experience with PostgreSQL, MongoDB, Redis; experience with AWS/GCP/Azure; knowledge of RESTful APIs, microservices, and distributed systems; strong debugging and problem-solving skills.
Java, PostgreSQL, MongoDB, Redis, AWS, Google Cloud, Azure, RESTful APIs
2mo
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Backend Software Engineer - Saga
New York or Seattle or Arlington or Rosslyn
OnsiteFull Time
Rune Technologies
Rune Technologies: Develops AI-powered logistics and sustainment software for military operations.
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
1mo
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Staff Backend Software Engineer
Denver or Beaverton or Seattle or Springfield or Bengaluru
$172k-$223k/yr HybridFull Time
DAT Freight & Analytics
DAT Freight & Analytics: Software platform for freight matching and logistics data analytics.
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
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Senior Software Engineer, Backend - RQL
San Francisco or Seattle
$168k-$280k/yr OnsiteFull Time
Rippling
Rippling: Unified platform managing workforce HR, IT, and finance operations
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
2d
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Senior Staff Backend Engineer (Pricing)
Seattle, Washington, United States
OnsiteFull Time
Coupang
CoupangNYSE: CPNG: Provides an end-to-end e-commerce and logistics network.
8+ YOE8+ years in software design and development; bachelor's in computer science, engineering, or related field; distributed systems and large-scale platforms experience; English communication skills.
Java, Spring Boot, AWS, Kubernetes, Docker, Kafka, Flink
2d
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Senior Staff Backend Engineer (Pricing)
Mountain View or Seattle
$174k-$299k/yr OnsiteFull Time
Coupang
CoupangNYSE: CPNG: Provides online retail, grocery delivery, and video streaming services.
8+ YOE8+ years in software design and development; bachelor's degree in computer science, engineering, or related field; distributed systems and large-scale platforms experience; strong English communication skills.
Java, Spring Boot, AWS, Kubernetes, Docker, Kafka, Flink
3mo
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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
2w
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Staff Backend Engineer, Custody Core (Crypto Security)
San Francisco or Seattle or New York City or Frisco or Cottonwood Heights or Helena or Jacksonville
$154k-$264k/yr OnsiteFull Time
SoFi
SoFiNasdaq: SOFI: Mobile-first platform for banking, lending, and investment services.
7+ YOE7+ years backend engineering experience building distributed, highly available services; strong REST, async messaging, cloud (AWS) experience; production debugging and incident response skills.
AWS, PostgreSQL, Redis, Kafka, Fireblocks, BitGo, Anchorage