Senior Backend Software Engineer Jobs in Seattle, WA

SummaryAre you passionate about building scalable backend systems and working with data at scale Vanguard is seeking a Senior Engineer to join our Advice & Wealth Management Technology team where youll help power core data services that support critical client experiences.In this role youll work on...

Annapurna Labs was a startup company acquired by AWS in 2015 and is now fully integrated. If AWS is an infrastructure company then think Annapurna Labs as the infrastructure provider of AWS. Our org covers multiple disciplines including silicon engineering hardware design and verification software a...

Amazon Photos helps consumers preserve and re-live their memories. The service comes with unlimited photo storage for Prime members and apps are available on iOS Android Web Desktop Fire Tablet & Fire TV. The service is also integrated into Alexa devices such as Echo Show and Echo Spot. Amazon Photo...

ABOUT THE TEAMWe are looking for a Full Stack Senior Software Engineer to join the ArsenalOS team. As a Full Stack Senior Software Engineer on ArsenalOS you will be architecting and implementing mission-critical solutions that enforce lean business process add multiplicative leverage to Anduril empl...

Were building safety-enhancing technology for aviation that will save lives. Automated aviation systems will enable a future where air transportation is safer more convenient and fundamentally transformative to the way goods and eventually people move around the planet. We are a team of mission-dr...

Full Stack Software Engineer CRM & Data Platform Migration Location: Seattle WA (100% Onsite) Duration: 12 Months Contract Role Overview STAFFXPERT are seeking an experienced Full Stack Software Engineer to support a strategic CRM and data platform migration initiative. This role will focus on...

Are you ready to tackle some of the most complex challenges in cloud storage at an unprecedented scale Join Amazon S3 as a Principal Engineer and help shape the future of storage technology that powers businesses and services across the globe.At Amazon S3 we manage data at a scale that most can only...

AWS Neuron is the complete software stack for the AWS Inferentia and Trainium cloud-scale machinelearning accelerators. This role is for a senior software engineer in the Machine Learning Inference Applications team. This role is responsible for development and performance optimization of core build...

Amazon Photos helps consumers preserve and re-live their memories. The service comes with unlimited photo storage for Prime members and apps are available on iOS Android Web Desktop Fire Tablet & Fire TV. The service is also integrated into Alexa devices such as Echo Show and Echo Spot. Amazon Photo...

Job Description:At Remitly we believe everyone deserves the freedom to access move and manage their money wherever life takes them. Since 2011 weve tirelessly delivered on our promise to customers sending money globally providing secure simple and reliable ways to manage their money ensuring true pe...

Are you passionate about leading teams that design and develop highly available large-scale services Would you like to empower engineers to invent and build solutions for customers that truly make a difference in their business Are you an experienced Software Development Manager with a background in...

At F5 we strive to bring a better digital world to life. Our teams empower organizations across the globe to create secure and run applications that enhance how we experience our evolving digital world. We are passionate about cybersecurity from protecting consumers from fraud to enabling companies...

ABOUT THE JOBWe are looking for Software Engineers to join our rapidly growing team! We have positions open in Seattle WA. These roles are targeted to start on a quarterly basis beginning in 2026. We hire self-motivated people those who hold a higher bar for themselves than anyone else could hold fo...

ABOUT THE TEAM:ArsenalOS is the digital backbone of Andurils hardware enterprise. It connects the full lifecycle from concept to build to field feedback into one operating environment built for speed traceability autonomy and continuous improvement. That environment includes not just the software us...

We are building a first-of-its-kind vulnerability auditing and review platform for LLM and foundational model integrated software including components like foundational models MCP servers agents and agent skills/capabilities. As an SDE 1 on this team you will contribute to the design development te...

The OpportunityWere excited to welcome a talented and passionate Senior Software Engineer to join our highly skilled team. The ideal candidate will hold a deep comprehension of search and recommendations algorithms and infrastructure including retrieval augmented generation (RAG) semantic search usi...

This Software Engineering Manager leads a team of Software Development Engineers who automate security processes build security guardrails for AI assisted development and deliver security solutions across Amazons Devices & Services organization. The portfolio includes Alexa Fire TV smart home ecosys...

Persons in these roles are expected to work from our offices in Seattle. On-site requirements vary based on position and team. If you have questions about on-site work arrangements for this role please ask your recruiter.Our base salary range is $126000 - $189000 and in addition we have generous bon...

ABOUT THE TEAMThe Discovery team at Anduril is at the forefront of incubating and maturing high-potential software-defined AI-native offerings that meet the toughest newest challenges across hardware software space and cyber domains. Were the architects of mission autonomy and mesh networking delive...

ABOUT THE TEAMThe Discovery team at Anduril is at the forefront of incubating and maturing high-potential software-defined AI-native offerings that meet the toughest newest challenges across hardware software space and cyber domains. Were the architects of mission autonomy and mesh networking delive...