224 java backend developer jobs at 87 companies in Washington

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
2w
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Senior Backend Engineer - Java
United States or Tampa or Boston or Atlanta or New York City or Columbus or Chicago or Philadelphia or Raleigh or Charlotte or Minneapolis or Dallas or Washington D.C. or Austin or Miami or Newark
$152k-$194k/yr RemoteFull Time
Real
RealNasdaq: REAX: Technology-driven brokerage offering residential real estate and title services.
8+ YOE8+ years experience with Java/Spring Boot, JPA/Hibernate, relational databases; experience designing event-driven microservices, strong testing practices, AI-assisted development familiarity, BA/BS or equivalent.
Java 17, Java 21, Spring Boot 3.x, JPA/Hibernate 6, Postgres, Kafka, DynamoDB, Redis, OpenSearch, AWS, Docker, Kubernetes, Datadog, ArgoCD, TeamCity, Claude Code, Cursor, Codex, Model Context Protocol (MCP), GitHub, SonarQube
1w
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Backend Engineer
Seattle, Washington, United States
$160k-$175k/yr HybridFull Time
FlowPlay
FlowPlay: Develops and publishes social casino games and virtual worlds.
5+ YOE5+ years Java backend experience, proficiency with MySQL, EMR not referenced, familiarity with cloud (AWS or GCP), RESTful API design, version control (SVN/Git); Bachelor's in CS or related preferred.
Java, Spring Boot, MySQL, AWS, GCP, RESTful API, Apache SVN, Git, Docker, Kubernetes, PostgreSQL, Oracle, NoSQL
3w
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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
2mo
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Staff Backend Engineer (Application Infra)
Seattle or Mountain View
$164k-$282k/yr HybridFull Time
Coupang
CoupangNYSE: CPNG: Provides online retail, grocery delivery, and video streaming services.
6+ YOE6 years backend development; BS in CS/EE/Math; Java and Spring; AWS; distributed systems experience.
Java, Spring Framework, AWS, Kubernetes, Temporal, Cadence, Cassandra, TiDB, Python
2w
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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
2w
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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
2mo
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Senior Backend Engineer - Payroll - EST
New York City or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Illinois or Indiana or Kansas or Massachusetts or Maryland or Minnesota or North Carolina or New Hampshire or New Jersey or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Utah or Virginia or Washington
$170k-$220k/yr HybridFull Time
HiBob
HiBob: Cloud-based human resources management platform for mid-sized businesses.
6+ YOE6+ years backend software engineering; experience with Kotlin, Java, or Scala; relational DBs (PostgreSQL/MySQL); AWS; testing and TDD; owning features end-to-end and collaborating with product.
Kotlin, Java, Scala, PostgreSQL, MySQL, AWS
2mo
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Senior Backend Engineer - Payroll - EST
New York City or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Illinois or Indiana or Kansas or Massachusetts or Maryland or Minnesota or North Carolina or New Hampshire or New Jersey or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Utah or Virginia or Washington
$170k-$220k/yr HybridFull Time
HiBob
HiBob: HR software platform for managing employee lifecycle and engagement.
6+ YOE6+ years backend engineering experience; Kotlin, Java, or Scala; relational DBs (PostgreSQL/MySQL); AWS; testing (unit/TDD); feature ownership and product collaboration; scalable architecture and design.
Kotlin, Java, Scala, PostgreSQL, MySQL, AWS
2mo
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Staff Backend Engineer (Application Infra)
Mountain View or Seattle
$164k-$282k/yr OnsiteFull Time
Coupang
CoupangNYSE: CPNG: Provides an end-to-end e-commerce and logistics network.
6+ YOE6+ years backend software development; Bachelor's in CS/EE/Math; Java + Spring; AWS; experience building highly available distributed systems.
Java, Spring Framework, AWS, Distributed Systems, Python
2mo
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Senior Backend Engineer - Payroll - EST
New York City or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Illinois or Indiana or Kansas or Massachusetts or Maryland or Minnesota or North Carolina or New Hampshire or New Jersey or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Utah or Virginia or Washington
$170k-$220k/yr HybridFull Time
HiBob
HiBob: Provides cloud-based human resources and workforce management software.
6+ YOE6+ years backend software engineering; experience with Kotlin/Java/Scala, relational databases (PostgreSQL/MySQL), AWS, testing methodologies, and owning features end-to-end while collaborating with product managers.
Kotlin, Java, Scala, PostgreSQL, MySQL, AWS
2mo
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Senior Backend Engineer - Payroll - EST
New York City or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Illinois or Indiana or Kansas or Massachusetts or Maryland or Minnesota or North Carolina or New Hampshire or New Jersey or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Utah or Virginia or Washington
$170k-$220k/yr HybridFull Time
HiBob
HiBob: Provides a cloud-based human resources management platform for businesses.
6+ YOE6+ years backend software engineering experience; proficiency with Kotlin, Java, or Scala; relational DB experience (PostgreSQL/MySQL); AWS; testing and scalable architecture; proven end-to-end feature ownership and product collaboration.
Kotlin, Java, Scala, PostgreSQL, MySQL, AWS
2mo
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Senior Backend Engineer - Payroll - EST
New York City or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Illinois or Indiana or Kansas or Massachusetts or Maryland or Minnesota or North Carolina or New Hampshire or New Jersey or Nevada or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Utah or Virginia or Washington
$170k-$220k/yr HybridFull Time
HiBob
HiBob: Provides a cloud-based HR platform for mid-sized businesses.
6+ YOE6+ years backend engineering experience; proficiency with Kotlin/Java/Scala, relational databases (PostgreSQL/MySQL), cloud platforms (AWS); experience owning features end-to-end, testing, scalable architecture, and collaborating with product.
Kotlin, Java, Scala, PostgreSQL, MySQL, AWS
1mo
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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
1w
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Sr. Backend Engineer - Activations
San Francisco or New York City or Seattle or Little Rock
$130k-$197k/yr HybridFull Time
LiveRamp
LiveRampNew York Stock Exchange: RAMP: Provides a platform for secure data collaboration and identity.
5+ YOE5+ years writing production code; strong Java/Scala/Golang skills; 3+ years with Big Data ecosystems (Spark, Hadoop/MR, Kafka); distributed systems and RESTful API experience; Spring Boot; cloud experience (GCP/AWS/Azure).
Java, Scala, Golang, Spark, Hadoop/MR, Kafka, RESTful APIs, OAuth, GCP, AWS, Azure, Spring Boot, Singlestore
2d
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Senior Software Engineer - Backend (Integrations)
Seattle, Washington, United States
$180k-$210k/yr HybridFull Time
Read AI
Read AI: AI productivity platform for meeting summaries and workplace insights.
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
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Staff Backend Software Engineer
Atlanta or Austin or Boston or Washington DC or Seattle or Houston or Raleigh or Dallas or United States
$300k-$400k/yr RemoteFull Time
Hopper
Hopper: Global travel marketplace and financial technology service provider.
Experience building distributed systems (Scala preferred), designing AI-assisted development workflows and feedback loops, strong product thinking, ability to ship end-to-end features, and familiarity with cloud services and modern stacks.
Scala, GCP services, React, TypeScript, Go, Python, Java
2mo
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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
1mo
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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
Slingshot Aerospace
Slingshot Aerospace: Software and data analytics for space operations management.
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
1mo
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Software Engineer, Backend, Level 5 – Ads Delivery
Bellevue or Los Angeles
$178k-$313k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Develops social media applications and augmented reality technology.
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
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Senior Software Engineer, Backend
Bellevue, Washington, United States
$160k-$210k/yr HybridFull Time
Cognitiv
Cognitiv: Deep learning platform for predictive advertising and media buying.
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