Senior Backend Software Engineer
$150k - $300kSentra
At Sentra we embarked on an exciting journey to build a one-of-a-kind company memory to help growing startups overcome scaling challenges. At Sentra , we've developed a true AI teammate that understands an organization's context, goals, and culture - offering both ICs and leaders unprecedented transparency into what's happening across the company and strategic alignment.
Sentra is backed by a16z and Together Fund , working with leaders from the top tech companies in the valley. Our goal? To never let a company lose itself as it gets bigger.
What you’ll do
Build and ship scalable backend/platform systems
Develop LLM agents that integrate with large datasets
Take ownership in a fast-paced, early-stage environment
Learn quickly and adapt to evolving challenges
What we’re looking for
Strong backend and platform engineering experience (3+ years)
Ability to work independently, learn quickly, and move fast (we are a startup)
Experience with Python, AWS, SQL databases, API development
Bonus: experience working with LLMs, agentic frameworks, and RAG
What we offer
Competitive salary and equity
Free meals on in-office days
UberEats credits
Health insurance coverage (medical, dental, and vision)
Equinox and other fitness/wellness memberships
Transportation stipend
Flexible time off
Competitive pay, equity, and perks/benefits for a seed-stage startup.
- ...FleetWorks Engineer OpportunityEvery year, companies spend over a trillion dollars moving freight across the U.S. but the system for matching... ...-facing productsAt least 3 years of professional full-time software development experienceComfort working in our stack or picking...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... ...building and developing backend applicationsBachelor's or... ...for Computer Science degree - Senior-level experience with one or... ...systemsPractical knowledge of agile software development methodologies (e....SeniorWork at officeLocal area
$182.75k - $278.5k
...all 50 states run their practice on our software, serving over 1 million patients. We are... ...healthcare for the better. The Work Backend At Headway Involves High-stakes Logic. You... ...their time back. The Insurance Billing Engine: We apply AI pragmatically (blog) to...SeniorFlexible hoursShift 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$80 per hour
...sync data, and transform the client experience.We are seeking a backend engineer who wants to help build and scale our integration... ...workflows (task management, data processing, workflow management software, etc)Strong fundamentals in backend development, including API...SeniorWork at officeRemote work$175k - $250k
...TIMEPosted: 2026-05-13About the RoleWe’re seeking a strong Senior Backend Engineer to join our AI Evaluation team, focused on building the infrastructure... ...deeply about developer experience, holds a high bar for software-quality and takes pride in building tooling that makes...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
$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$166.6k - $208.3k
...embodies the elegance of simplicity in engineering, transforming the demanding task of controlling... ...is growing and we’re looking to hire senior backend engineers. We’re a team of pragmatic,... ...the status quo for banking and fintech software, and many of our customers are startups...Senior- 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
$150k - $205k
...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... ...and in-app guidance that help people finish tasks inside the software they use, including a new desktop AI work hubDocs - Our...SeniorFull timeTemporary workWork at officeHome officeFlexible hours- 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
$150k - $245k
...you'll make impactYou’ll help design the backend foundations for T:0’s intelligent... ...frameworks, SDKs, and tooling, that accelerate engineers across the organisation.Partner closely... ...AI-native financial stack by designing software with AI as a first-class runtime rather...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
...chain and financial operations. 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...SeniorFull timeRemote work$500 per month
...experience on the streaming basics, while cooking up next generation multi-screen and multi-user playback experiences.Senior Backend Software Engineer (Ad Engineering)Philo's video streaming infrastructure is highly distributed, horizontally scalable and harnesses the...SeniorFor contractorsWork at officeRemote workHome officeFlexible hours3 days per week$175k - $250k
...rotation). Collaborate cross-functionally with ML, product, data engineering, andclient-SDK teams to deliver features such as voice cloning... ...a bias for measured, observable, andcontinuously deployable software.Bonus Points: B.S./M.S. in CS, EE, or related fields....SeniorFlexible hours$500 per month
...experience on the streaming basics, while cooking up next generation multi-screen and multi-user playback experiences.Senior Backend Software Engineer (Video Engineering)Video is at the core of Philo and what customers engage with the most: watching their favorite shows...SeniorFor contractorsWork at officeRemote workHome officeFlexible hours3 days per week- ...this team like it's the most important bet at the company.As a Senior Engineer on AI Platform, you'll own meaningful technical initiatives... ...approaches unlock better outcomesWhat you will need5+ years of software engineering experience with a proven track record of owning...SeniorWork at office3 days per week
$100k - $250k
...Senior Backend / Full Stack Engineer Location: San Francisco, CA (On-site) Compensation: $100K–$250K base + meaningful equity Employment:... ...agents to the world. We believe the next generation of software won't just live in browsers and apps. AI agents will interact...SeniorFull timeLive inH1bVisa sponsorship$150k
...Job Description Job Description Senior Backend Software Engineer Company Description Swish Analytics is a sports analytics, betting and fantasy startup building the next generation of predictive sports analytics data products. We believe that oddsmaking is a challenge...Senior- ...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
$200k - $250k
...their own clinics by providing AI-powered software, payer contracting, and full back-... ...Both founders are technical. Every engineer on the team has experience at early-stage... ...technical decisions, and ship. Role: Senior Backend Software Engineer We're a tiny engineering...SeniorFull timeWork at office- ...financial workflows with more speed, confidence, and accuracy.As a Senior Software Engineer on this team, you will help define how AI becomes a core... ...systems at meaningful scale.Experience designing backend systems, data models, APIs, workflows, or platform infrastructure...SeniorWork at office3 days per week
- ...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
$186.4k - $266.3k
About the Role:Tubi's Core Experience Backend team is responsible for building the high-performance, secure, and scalable systems... ...SF office two days/week. What You'll Do:We are looking for a software engineer who is proactive, collaborative, and pragmatic with a passion...SeniorFull timeTemporary workWork at officeLocal areaFlexible hours2 days per week- ...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... ...confidence in every compensation decision.We build software that transforms how companies pay their...SeniorFlexible hours
- ...addresses.About the Financial Product TeamThe Financial Product Engineering team is at the forefront of Rippling's expansion into FinTech.... .... What you will doOwn the design and implementation of core backend services and APIs that power critical product capabilities and...SeniorWork at office3 days per week
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Backend Software 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



