Last updated: 2025-07-21
39 Backend Software Engineering jobs in Seattle.
MotherDuck
We’re on a mission to radically transform the data analyst user experience with a novel cloud architecture built on top of DuckDB. Our team is a diverse mix of…
Seattle
- Skills: software engineer, storage systems, file systems, distributed storage architectures, C++, FUSE, cloud storage, SQL databases, DuckDB, problem-solving
- Level: mid
- Type: full_time
Sleeper
A rapidly growing platform for sports fans with messaging at its core.
Seattle
- Skills: multi-player games, messaging, scalable solutions, Elixir, ScyllaDB, distributed systems, infrastructure, practical decisions, ambiguity, ErlangVM
- Level: mid
- Type: full_time
CertiK
CertiK’s security offerings include security consulting, security reviews, security auditing of smart contracts and blockchains, verification of smart contract…
Seattle
- Skills: Solidity, Ethereum Virtual Machine (EVM), cybersecurity, security auditing, smart contracts, penetration testing, security consulting, threat modeling, hacking, blockchain security
- Level: mid
- Type: full_time
Hive
Hive is the leading provider of cloud-based AI solutions to understand, search, and generate content, and is trusted by hundreds of the world's largest and mos…
Seattle
- Skills: cloud-based AI solutions, pre-trained AI models, API requests, software applications, core services, web-based APIs, clean code, maintainable code, product development, scalability
- Level: mid
- Type: full_time
Palantir
Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empo…
Seattle
- Skills: Kubernetes, production infrastructure, cloud hyperscalers, K8s clusters, tooling, CNCF components, scale, stability, security, automation
- Level: mid
- Type: full_time
Smartsheet
Smartsheet is a tech company with a human story to tell. We’re here to empower teams to manage projects, automate workflows, and rapidly build new secure solut…
Bellevue
- Skills: cloud-native, AWS DMS, MySQL replication, Redis Enterprise, Java, Spring Boot, Kubernetes, service-oriented architecture, REST APIs, scalable back-end systems
- Level: senior
- Type: full_time
Aftersell by Rokt
Aftersell by Rokt enables SMB companies to unlock real-time relevancy in the moment that matters most, when customers are buying. Together, our AI and ML-power…
Seattle
- Skills: Software Engineering, AI, ML, AWS, GCP, Azure, Kubernetes, CI/CD pipelines, Go, Java
- Level: senior
- Type: full_time
Zoox
Seattle
- Skills: software engineer, High-Performance Computing, infrastructure, tools, services, machine learning, distributed system design, algorithmic job scheduling, cloud scaling, computational needs
- Level: mid
- Type: full_time
Spice AI
Spice AI is focused on building data-driven AI applications and agents, simplifying the complexity of development by combining code, data, and AI into decision…
Seattle
- Skills: AI applications, data-driven, machine learning, SQL interface, cloud platform, high-performance, feedback loops, Rust, decision-making systems, software development
- Level: mid
- Type: full_time
Reddit is a community of communities. It’s built on shared interests, passion, and trust and is home to the most open and authentic conversations on the intern…
Seattle
- Skills: Kafka, asynchronous communication, event driven architectures, Kubernetes, infrastructure, software development, automation, API, scalability, mentoring
- Level: senior
- Type: full_time
Moloco
Moloco is a machine learning company empowering organizations of all sizes to grow and unlock the full value of their unique first-party data, elevating the tr…
Seattle
- Skills: machine learning, backend development, infrastructure, cloud platform, AWS, GCP, Go, big data, distributed systems, data processing
- Level: mid
- Type: full_time
Coupang
We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, 'How did I ever live without Coupang?' Born out of an obsess…
Seattle
- Skills: software development, Cassandra, Kubernetes, system design, performance enhancement, disaster recovery, technical problems, system reliability, project road map, team collaboration
- Level: senior
- Type: full_time
Axon
At Axon, we’re on a mission to Protect Life. We’re explorers, pursuing society’s most critical safety and justice issues with our ecosystem of devices and clou…
Seattle
- Skills: backend software engineering, collaboration, system design, technical direction, mentoring, cloud systems, high availability, scalability, database experience, open source technologies
- Level: senior
- Type: full_time
Salesforce
Salesforce is a leading cloud-based software company that provides a customer relationship management platform and applications focused on sales and customer s…
Bellevue
- Skills: Distributed Systems, Cloud Infrastructure, Automation Tools, Resilient Systems, Java, Golang, Python, Agile Development, Infrastructure-as-Code, Microservices
- Level: mid
- Type: full_time
MotherDuck
We’re on a mission to radically transform the data analyst user experience with a novel cloud architecture built on top of DuckDB.
Seattle
- Skills: backend development, infrastructure, DevOps, C++, Golang, distributed systems, microservices, Kubernetes, cloud platforms, SQL databases
- Level: mid
- Type: full_time
Spice AI
Spice AI is focused on building data-driven AI applications and agents, making it easier for developers to combine code, data, and AI. They created the Spice.a…
Seattle
- Skills: Rust, database development, AI applications, open source, distributed systems, machine learning, high-performance, SQL, feedback loops, data-driven
- Level: mid
- Type: full_time
Union.ai
At Union, we are solving one of the hardest challenges in AI infrastructure today: enabling high-velocity iteration while maintaining seamless production-readi…
Bellevue
- Skills: AI, ML, Kubernetes, Cloud providers, Backend development, Infrastructure, APIs, Distribution solutions, DevOps, CI/CD
- Level: mid
- Type: full_time
Salesforce
Salesforce is a leading customer relationship management (CRM) platform that uses AI, data, and cloud technologies to help businesses improve their customer re…
Seattle
- Skills: Backend, Engineer, Software Engineering, CI Systems, Cloud Infrastructure, Agile, Python, AWS, Kubernetes, Linux
- Level: mid
- Type: full_time
Rubrik
Rubrik helps organizations secure, recover, and manage their data using Zero Trust Data Security™. The company offers cloud data management and security soluti…
Seattle
- Skills: cloud, infrastructure, CI/CD, Terraform, Kubernetes, distributed systems, Linux, Go, telemetry, security
- Level: mid
- Type: full_time
Coupang
Seattle
- Skills: security, IAM, authentication, authorization, platform, scalability, reliability, API, Java, Go
- Level: mid
- Type: full_time