Senior Backend Engineer
casa
About Casa
Casa is building the future of autonomous home care. We make it effortless to maintain and improve your home with a deep, digital understanding of your home combined with the people to service it. Founded by some of Uber's earliest employees, we’re bringing deep technical and operational expertise to transform the homeownership experience.
About the role
We’re hiring a founding Senior Backend Engineer to help us design, develop, and ship robust backend systems that deliver exceptional value to our members.
You’ll work closely with our founders, fellow engineers, and designers to create thoughtful and groundbreaking products that deliver exceptional value to our members. You’ll help build our core systems and product and define much of our founding team culture.
Some of the responsibilities you’ll have
Lead the architecture and development of our backend systems, ensuring they are scalable, secure, and reliable
Design and implement APIs that power our iOS applications and other client interfaces
Optimize performance and scalability of our services to handle a growing number of members and data
Stay current with the latest advancements in backend technologies and cloud infrastructure, and integrate new technologies and methodologies as appropriate
Level up a growing engineering team by reviewing code and designs of teammates and providing constructive feedback to maintain high quality
About you
You’re passionate about building robust systems. You have a deep understanding of backend architecture, API design, and database management, and you’re excited to build systems that scale with our growing member base
You’re excited to be a founding engineer at an early-stage startup. This means that there’s a lot of systems and structure yet to be put in place, and you’ll play an active role in building and shaping those alongside our company culture
You’re excited to build. You embrace the challenges and growth that come with joining an early-stage company, thriving in a fast-moving, evolving environment
You think and act like an owner. You take a long-term view, make decisions with care, and are eager to take initiative and responsibility with good judgment
You roll up your sleeves. You find satisfaction in taking action, solving problems, and learning quickly, rather than delegating or managing from the sidelines
You’re mission-driven and adaptable. You understand the stakes of a startup, focus on what matters most, and dedicate yourself to building for long-term success
You thrive on collaboration and problem-solving. You work best in an in-person culture, feeding off shared energy, brainstorming, and engaging with others daily
- ...FleetWorks Engineer OpportunityEvery year, companies spend over a trillion dollars moving freight across the U.S. but the system for matching trucks with jobs is still slow, manual, and fragmented. FleetWorks is fixing that.We're building products that transform the chaotic...SeniorFull timeWork at office
$163k - $246.5k
...Testing and is trusted by leading organizations, including Vanta, Lyft, and Dropbox. Learn more at semgrep.dev.About the roleAs a Backend Engineer, you’ll work on our backend and infrastructure systems to design, build and maintain a fast and reliable user experience for...SeniorCurrently hiringWork at officeLocal areaRemote workWeekend work3 days per week- ..., meaningful code reviewsPartner across engineering teams to tackle company-wide initiatives... ...years experience building and developing backend applicationsBachelor's or Master's... ...preference for Computer Science degree - Senior-level experience with one or more prominent...SeniorWork at officeLocal area
$182.75k - $278.5k
...and help change mental healthcare for the better. The Work Backend At Headway Involves High-stakes Logic. You’re Building a... ...that give providers their time back. The Insurance Billing Engine: We apply AI pragmatically (blog) to reduce administrative burdens...SeniorFlexible hoursShift work$80 per hour
...orchestration platform to streamline workflows, boost efficiency, sync data, and transform the client experience.We are seeking a backend engineer who wants to help build and scale our integration infrastructure at an early stage. You will work hands-on with a staff...SeniorWork at officeRemote work$175k - $250k
...United StatesSalary: USD 175000 - 250000 yearEmployment type: FULL TIMEPosted: 2026-05-13About the RoleWe’re seeking a strong Senior Backend Engineer to join our AI Evaluation team, focused on building the infrastructure and internal tooling that enable reliable,...SeniorFlexible hours- PLEASE CLICK HERE TO SEE *ALL* OF OUR JOB OPENINGS!Senior Backend EngineerSeeking a Senior Backend Engineer to architect and operate their backend platform that delivers scalable, high-performance insights for Fortune 500 clients. You'll build the core systems that power...SeniorCasual work
$166.6k - $208.3k
...through the skies. It embodies the elegance of simplicity in engineering, transforming the demanding task of controlling an aircraft... ...product engineering group is growing and we’re looking to hire senior backend engineers. We’re a team of pragmatic, product-minded...Senior$175k - $250k
...conversational AI and our patented voice biomarker technology, helping deliver better healthcare for everyone. We are seeking a Senior Backend Engineer to help design, build, and scale the core systems powering our conversational AI platform. In this role, you will work...SeniorRemote workFlexible hours$150k - $205k
...valued at over $1B, and backed by leading investors. Join us in our mission to transform how people work.About the roleAs a Senior Backend Engineer, you'll own a product area end to end, from design through the results after launch. You'll be matched to one of four teams...SeniorFull timeTemporary workWork at officeHome officeFlexible hours$150k - $245k
...to see it in full.How you'll make impactYou’ll help design the backend foundations for T:0’s intelligent finance systems: scalable services... ...internal frameworks, SDKs, and tooling, that accelerate engineers across the organisation.Partner closely with ML and product teams...SeniorTemporary workWork at officeLocal area3 days per week- ...change every year. Getting that right at this scale is a permanent engineering problem. It belongs to our Ads Privacy team, which owns... ...looking forExperience designing low-latency APIs and distributed backend services running at high QPS in productionProficiency...SeniorPermanent employmentFull timeWork at officeWorldwideRelocation package
$190k - $300k
...Alongside our own products we work with software development partners across the USA to extend our engineering capacity on their behalf. We are hiring a Senior Backend Engineer for one of these partners an early-stage AI startup in San Francisco to join their founding...SeniorFull timeRemote work$175k - $250k
...compliant security (encryption in transit,per-tenant isolation, secrets rotation). Collaborate cross-functionally with ML, product, data engineering, andclient-SDK teams to deliver features such as voice cloning, multimodal hand-offs,and domain-specific memory retrieval....SeniorFlexible hours- ...parallel with PayPay Corporation, PayPay Card Corporation and PayPay Securities Corporation. Job Description We are looking for senior backend engineers to build, or rebuild, rock solid services with a laser focus on scalability and maintainability. PayPay Card aims at...SeniorFull timeWork at officeRemote workFlexible hours
$100k - $250k
...Senior Backend / Full Stack Engineer Location: San Francisco, CA (On-site) Compensation: $100K–$250K base + meaningful equity Employment: Full-time Visa: H-1B sponsorship, OPT, and CPT support About Photon At Photon, we're building the infrastructure...SeniorFull timeLive inH1bVisa sponsorship- ...in. David AI was founded in 2024 by a team of former Scale AI engineers and operators. In less than a year, we’ve brought on most... ...deploys cutting-edge generative audio models. About this role As a Senior Backend Engineer at David AI, you’ll work across product surfaces to...SeniorWork at officeFlexible hours
- ...with a customer to post-release monitoringSet technical direction across projects, mentor engineers, and raise the bar on how the team buildWhat You'll Bring5+ years of backend engineering experienceA strong eye for performance, reliability, and robust systems designYou...SeniorFlexible hours
- ### About the Role We are looking for a hands-on _Senior Java Backend Engineer_ to design, build, and scale our core distributed systems and event-driven architecture. You will work closely with product and infrastructure teams to deliver high-performance microservices...Senior
$160k - $210k
...conversational AI and our patented voice biomarker technology - helping deliver better healthcare for everyone.We are seeking a Senior Backend Engineer to help design, build, and scale the core systems powering our conversational AI platform. In this role, you will work...SeniorRemote workFlexible hours$192k - $240k
...the tools, resources, and support you need to grow your career.Engineering at BrexEngineering at Brex is about building systems that... ...designing, developing, and deploying applications with a focus on the backend.Experience building and designing scalable backend...SeniorWork at officeRemote workWork from home- ...possible extension Location: San Francisco, CA (Hybrid) Pay Range: $65-$70/hr. on W2 Job Summary: Our client seeking a Senior Backend Engineer with a strong AI systems background to join a fast-moving incubator team building an AI-native data visualization creative...SeniorContract work
$166k - $225k
...can use deep data insights to improve their business. Founded by engineers — and customer obsessed — we leap at every opportunity to solve... ...AI on DatabricksWhat we look for:5+ years of experience in backend or infrastructure engineeringStrong programming skills in Scala...SeniorLocal areaWorldwide$170k - $205k
...of a high-performing team that believes in each other, come build with us at Crusoe.About This Role:We are seeking a Senior Backend Software Engineer to join the Core Backend team within Cloud Customer Experience (CCX). The CCX organization is at the forefront of delivering...SeniorTemporary work- ...Wanna join the adventure? Loft Orbital is looking for a Senior Backend Engineer to join our Mission Experiences team. We build customer and partner-facing interfaces, APIs, and tools for planning and executing missions with Loft. We translate complex workflows...SeniorFull time
- PLEASE CLICK HERE TO SEE *ALL* OF OUR JOB OPENINGS!Senior Full Stack Engineer (Backend)As a Senior Full-Stack Engineer, you'll be a key player in building the technology platform that delivers these insights, working with cutting-edge algorithms and composite AI solutions...SeniorCasual workWork at office
- ...Job Description Job Description JOB DESCRIPTION The Job As a Backend Software Engineer at Panther Labs, you will be part of a team designing and delivering Panther’s core services including real-time analysis engines, databases, APIs, monitoring, testing, and...Senior
$167k - $219k
...content indexed, the services that query it, and the systems that serve it with high relevance and low latency. We're looking for a Backend Engineer who can own this end-to-end: from data ingestion and Elasticsearch index design through the retrieval/query services that...SeniorWork at office2 days per week- PLEASE CLICK HERE TO SEE *ALL* OF OUR JOB OPENINGS!Senior Software Engineer — Backend PerformanceAs a Senior Software Engineer on Backend Performance, you own the hottest paths in data products — the code that has to be fast because everything downstream depends on it....Senior
- ...to get paid with loads that need to be moved. We have a small, high-agency team working out of our office in SOMA. As an early engineer, you will be a true owner of your work, developing features end to end, interacting directly with our customers, and shaping our culture...SeniorFull timeWork at office
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Backend Engineer. Be the first to apply!
- remote back end developer San Francisco, CA
- backend software engineer San Francisco, CA
- senior backend developer San Francisco, CA
- back-end developer San Francisco, CA
- senior technical associate San Francisco, CA
- senior vice president communications San Francisco, CA
- senior retail sales associate San Francisco, CA
- senior infrastructure analyst San Francisco, CA
- senior fpga design engineer San Francisco, CA
- senior specialist San Francisco, CA



