Join our community

WashingtonRemote · Hybrid · Onsite · Field · All Environments

WashingtonRemote · Hybrid · Onsite · Field · All Environments

WashingtonRemote · Hybrid · Onsite · Field · All Environments

WashingtonRemote · Hybrid · Onsite · Field · All Environments

361 senior backend developer jobs at 153 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

Help us #BeatIndeed & #BeatLinkedIn

1mo

Save

Mark Applied

Hide

1mo

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

Job Posting View all

1mo

Save

Mark Applied

Hide

1mo

Senior Backend Engineer- Platform

Seattle, Washington, United States

$160k-$190k/yr OnsiteFull Time

Yoodli

Yoodli: AI-powered platform for communication coaching and roleplay simulations.

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

Job Posting View all

2mo

Save

Mark Applied

Hide

2mo

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

Job Posting View all

1mo

Save

Mark Applied

Hide

1mo

Senior Backend Engineer (Canada)

Seattle, Washington, United States

RemoteFull Time

Loot Labs

Loot Labs: Platform for unboxing and trading digital and physical collectibles

5+ YOE5+ years backend experience; strong TypeScript; AWS (DynamoDB, Lambda, S3, AppSync, Cognito, SQS); GraphQL; CI/CD; security; observability

DynamoDB, Lambda, S3, AppSync, Cognito, SQS, SST, TypeScript, GraphQL, CI/CD

Job Posting View all

2mo

Save

Mark Applied

Hide

2mo

Senior Staff Backend Engineer

Seattle or Mountain View

$169k-$290k/yr HybridFull Time

Coupang

CoupangNYSE: CPNG: Provides online retail, grocery delivery, and video streaming services.

8+ YOELead architectural design of a durable execution platform; backend software development; Java/Spring; AWS; 8+ years in distributed systems.

Java, Spring Framework, AWS, Python, Kubernetes, Cassandra, TiDB, Temporal, Cadence, Git

Job Posting View all

1w

Save

Mark Applied

Hide

1w

Senior Backend Software Engineer

Arkansas or California or Colorado or District of Columbia or Florida or Illinois or Massachusetts or Maryland or Maine or Michigan or New Jersey or Ohio or Pennsylvania or South Carolina or Texas or Utah or Virginia or Washington

$165k-$195k/yr RemoteFull Time

SITE Technologies

SITE Technologies: Provides AI-powered property condition assessments and management software.

5+ YOE5+ years backend development experience with Python and FastAPI, strong backend architecture, relational modeling, AWS services, Docker, CI/CD, and cross-team communication.

Python, FastAPI, PostgreSQL, SQLAlchemy, Alembic, Flyway, AWS, ECS, Lambda, RDS, S3, IAM, Docker, Git, CI/CD, GitHub Actions, AWS CodePipeline, Claude Code, Cursor, Terraform, Terragrunt, Datadog, Sentry, LangGraph, Claude Code SDK, Amazon Bedrock

Job Posting View all

1mo

Save

Mark Applied

Hide

1mo

Senior Backend Engineer - Offroad

Missoula or Bozeman or Austin or Denver or Portland or Salt Lake City or Seattle

$146k-$182k/yr RemoteFull Time

onXmaps

onXmaps: Digital mapping and navigation apps for outdoor recreation.

7+ YOE7+ years in software development; distributed cloud APIs; Go; Vue; Docker/Kubernetes; Terraform; remote collaboration; travel for quarterly visits.

Go, Vue, Docker, Kubernetes, Terraform, API Development

Job Posting View all

5d

Save

Mark Applied

Hide

5d

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.

Job Posting View all

2mo

Save

Mark Applied

Hide

2mo

Senior Staff Backend Engineer

Seattle or Mountain View

$169k-$290k/yr OnsiteFull Time

Coupang

CoupangNYSE: CPNG: Provides an end-to-end e-commerce and logistics network.

8+ YOEBachelor's degree in computer science or related field; 8 years backend experience; Java and Spring; AWS; experience building highly available distributed systems.

Java, Spring, AWS, Kubernetes, Concurreny and memory management, Temporal / Cadence

Job Posting View all

2w

Save

Mark Applied

Hide

2w

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

Job Posting View all

2w

Save

Mark Applied

Hide

2w

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

Job Posting View all

2w

Save

Mark Applied

Hide

2w

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

Job Posting View all

2w

Save

Mark Applied

Hide

2w

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

Job Posting View all

2mo

Save

Mark Applied

Hide

2mo

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

Job Posting View all

2mo

Save

Mark Applied

Hide

2mo

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

Job Posting View all

2mo

Save

Mark Applied

Hide

2mo

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

Job Posting View all

2mo

Save

Mark Applied

Hide

2mo

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

Job Posting View all

2mo

Save

Mark Applied

Hide

2mo

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

Job Posting View all

1mo

Save

Mark Applied

Hide

1mo

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

Job Posting View all

2mo

Save

Mark Applied

Hide

2mo

Principal Backend Engineer

Seattle, Washington, United States

OnsiteFull Time

Data Squared

Data Squared: Explainable AI platform for high-stakes enterprise data decision-making.

Testing backend systems; Python development; pytest; FastAPI; Docker; Kubernetes; graph data testing.

Python, pytest, FastAPI, Docker, Kubernetes, Neo4j, Memgraph

Job Posting View all

Explore Jobs

Expand Your Job Search