Backend Engineer
Cambio
Backend EngineerCambio is a software platform for real estate decarbonization. We help commercial real estate owners bring their portfolios to net-zero with an AI-driven sustainability, asset, and investment management platform. We're backed by Y Combinator, Google, and Stanford — and we're the fastest-growing startup in our category.The RoleWe're looking for a Backend Engineer to build, help teammates do their best work, and have fun doing it.What You'll Be DoingLaunch customer-facing features by building Django backend servicesImprove the customer experience through performance optimizationsImprove the eng team's quality of life by committing to tech debt reductionSupport and collaborate with your teammatesWho You AreAn A-player: low ego, curious, and serious about your craftYou are outcome drivenWork isn't in opposition to life for you - it's part of your life because you genuinely enjoy itYou ship through obstacles — roadblocks are part of the problem to solveYou move with urgency and close the week with visible impactYou're relentlessly curious and treat truth-seeking as a disciplineYou believe iteration speed is quality - the way to build great things is to build fast and learn fasterYou show up for your teammates, in person. You unblock before being asked and never let someone stay stuckYou own your work end-to-end - proactive about visibility, proud of your progress, and you over-communicate until everyone is fully alignedWhat You BringIndependent problem simplification skillsExperienced in Python web development (Django & Ninja is a bonus)Solid grasp of computer science and algorithm fundamentalsExceptional research & debugging skillsUnderstanding of technical trade-offs and the YAGNI principleOur Tech StackInfra: AWS, Kubernetes, Redis, PostgreSQL, SQS, CDK, GitHub, RetoolBackend: Django REST/Ninja, CeleryFrontend: TypeScript, React, Next.js, Tailwind CSSLLM: AWS Bedrock, OpenAI, ClaudeLogisticsWork authorization: authorized to work in the US or Canada, and able to travel to bothThis is an in-person role based in Kitchener-Waterloo, New York, or San FranciscoWhat We OfferCompetitive compensation and startup equityFlexible time off$1,200 annual learning budgetCatered lunchBest workstation in a beautiful office in Uptown WaterlooOffice gym Cambio
- ...founders and CTOs from companies like GitHub, Segment, Lookout, and Fly.io. About the Role We are looking for a top performing backend engineer that loves coding with Rust. You will get to solve interesting problems and technical challenges. We move fast, and speed of...SuggestedFull timePart time
Svix
San Francisco, CA5 hours ago $150k - $275k
...Backend Engineer Title of Role: Backend Engineer Location: San Francisco, onsite Company Stage of Funding: Venture Round — AI, Insurance, B2B, Software Development Office Type: Onsite Salary: $150K–$275K Company Description We're representing a dynamic...SuggestedWork at officeRecruiting from Scratch
San Francisco, CA3 days ago- ...customer's instance, balancing extreme flexibility with transactional integrity. Build a Git-style version-control + migration engine capable of rolling forward/back complex schema and data changes on live production tenants in enterprise settings. Engineer AI-...Suggested
Doss
San Francisco, CA3 days ago - ...We are hiring a Founding Software Engineer in San Francisco. We are building a small, talent-dense team. This role will define the engineering... ..., and developer experience. Architect, build, and scale core backend systems powering document intelligence and VLM-based workfows...Suggested
Unsiloed AI
San Francisco, CA1 day ago $500 per month
...Conductor lets you run a team of coding agents in the cloud or on your Mac. We launched in the summer of 2025, and are now used by engineers at leading companies like Linear, Vercel, Notion, Stripe, and Y Combinator. One user told me: A huge amount of my work now is...SuggestedSummer workWork at officeConductor
San Francisco, CA4 days ago$135k - $250k
...CMU, Stanford, and USC. Your skillset ~3+ years developing backend software ~ Designed, implemented, and owned production-facing... ...product experiences. We are an AI-native company, and Fable engineers are excited to use AI-powered development practices to move...Work experience placementWork at officeRelocation package3 days per weekFable Security LLP
San Francisco, CA19 hours ago- ...interested in working at the intersection of AI, Security, and Infrastructure. About this role: We’re seeking an experienced Backend Engineer to lead the charge in building the world’s first AI-native platform that autonomously finds and fixes software vulnerabilities...Full timeWork at office
depthfirst Inc.
San Francisco, CA2 days ago - Back-End Web Developer ABC Industries was founded in 1962 and is one of the leading providers of specialty widgets in the world. Our company is well known for a vibrant and collaborative culture where innovation thrives, and every team member feels valued and empowered...Local area
ABC Industries, Inc.
San Francisco, CA1 day ago - ...partners. Our patented technology empowers businesses and software engineers with a deploy‑once, comply‑and‑secure‑everywhere framework for... ...will be doing at Ketch We are looking for a highly skilled backend engineer who is comfortable with building and running large...Full timeLive inWork at officeRemote workFlexible hours
KETCH
San Francisco, CA7 hours ago $180k - $240k
NQB8, a national security company incubating ambitious startups in San Francisco, is seeking an exceptional backend software engineer. You are among the top 10% of developers you have ever worked with and thrive in a founder-led, high-velocity environment. This in-person...- OpenAI is seeking an experienced backend engineer to join the ChatGPT Growth team in San Francisco. You will spearhead high-impact projects to amplify the user base of ChatGPT and Plus Sub scribers, optimizing access, notifications, SEO, value discovery and viral growth...
- E2B is hiring a backend engineer to own the services powering the Dashboard and SDK. You will primarily write Go APIs and data models, while occasionally wiring the Next.js frontend to finish end-to-end work. You will design authentication, billing, and usage metering,...
$120k - $250k
...About the Role Join a small engineering team at a healthcare AI workflow automation company, building backend systems that help reduce administrative work and improve access to care. You will develop the infrastructure behind customer onboarding and support secure, reliable...Full timeVisa sponsorship- ...integrations. It has memory that compounds over time, a suggestion engine that discovers what to automate before you think to ask, and... ...build.You'll be a foundational hire, working across the full backend -- from LLM orchestration and workflow execution to the identity...
- Vercel is seeking a Software Engineer to join the CDN Content team in San Francisco. You will work on ISR, PPR, and image optimization, building services in Go, Lua, and TypeScript across the serving path with production impact. You will monitor production, contribute...Remote work
- Delphina Backend Software Engineer OpportunityToday's Data Scientists are in pain - spending their time manually wrangling data, building models through slow trial and error, taking on painstaking rewrites for deployment, and dealing with countless other frustrating bottlenecks...
- ...ability to excel in the areas listed below and your appetite for continuous growth & improvement.We have built an excellent product & engineering machine and we now want to do the same on the go-to-market side.You Could Be A Great Fit IfYou love becoming a product and domain...
$200k - $300k
...Job Description Job Description About the Role Own the backend systems behind an AI assistant that communicates through text, email, and phone. As a hands-on founding engineer, you will design, build, and operate reliable infrastructure for message delivery, long...Immediate startClera
San Francisco, CA5 days ago$110k - $270k
...Job Description Job Description Maxana is seeking an experienced Backend Engineer for a confidential client — a well-funded AI platform company used by ML teams globally. In this role you will own features end to end across APIs, CLI tooling, billing systems, and...Flexible hours2 days per weekMaxana
San Francisco, CAmore than 2 months ago- Raindrop Monitoring Platform Raindrop is the monitoring platform for AI agents. Engineering teams at Fortune 100s and the fastest-growing AI companies use it to catch silent failures in production. When an agent misbehaves, Raindrop alerts the team, links to the trace,...Temporary work
$110k - $170k
...Job Description Job Description JOB DESCRIPTION As our first backend engineer, you'll take the lead in implementing Echofi's core infrastructure. You will be responsible for designing, testing, and deploying the backend services that make our platform run smoothly...Work at officeRemote workHired Recruiters
San Francisco, CAa month ago- Founding Backend Engineer at Peppr AIAs a founding backend engineer at Peppr AI, you'll architect and build the robust infrastructure that powers our agentic AI platform. You'll design PostgreSQL-based systems, implement secure authentication layers, manage cloud deployment...
- Back-End Web Developer ABC Industries was founded in 1962 and is one of the leading providers of specialty widgets in the world. Our company is well known for a vibrant and collaborative culture where innovation thrives, and every team member feels valued and empowered....Local area
$200k - $300k
...does more and the traffic grows every week. This is a hands-on engineering role. You’ll design it, build it, run it, and get paged for it... ...you ship. You want founding-team scope. You’ll set the backend bar for Pally and help hire the engineers who join after you....Full time- ...building a modern platform used by security teams. This is a hands-on backend role in a high-ownership environment where you’ll move fast,... ...best practices across the backend Collaborate with other engineers to improve developer experience and overall platform...Permanent employmentFull timeRemote workSan Francisco, CAmore than 2 months ago
- Backend Engineer Department: Engineering Employment Type: Full Time Location: San Francisco / Boston Description We’re looking for a Backend Engineer to join Recentive’s core engineering team. In this role, you’ll architect and build flexible backend systems...Full timeWork at officeFlexible hours
- ...intercept: We grew in value faster than headcount and we’re looking to align the two quickly. We’re looking for product-minded backend engineers to build the core systems behind Mintlify. You’ll tackle hard problems across content processing, AI retrieval, and...Immediate start
$120k - $200k
Backend EngineerSan Francisco, CAAbout Pump.coGartner predicts that cloud spend will be over $2T/yr by 2030, making it the fastest-growing... ...expense for tech companies. Managing it well demands constant engineering effort—time that could be spent building your product.At Pump,...Work at officeRemote work- Backend EngineerThe Software Engineering team is responsible for designing and building the scalable, performant, and secure backend systems that power our products—from early prototypes to large-scale deployments. We collaborate closely with product, hardware, and full...Work at officeRelocation package
$130k - $210k
Position Title: Backend Engineer / Infrastructure Engineer (Senior) Location: San Francisco, CA (in-office ~60 hrs/week; hybrid allowed for long commutes) Position Type: Full-Time (Permanent) Work Policy: Primarily in-person; relocation assistance may be available Start...Permanent employmentFull timeContract workWork at officeImmediate startRelocationRelocation package
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