Backend Engineer Jobs

Raylu automates private-market investing workflows with LLMs, focusing on mass-scale agentic search and AI-first workflows to accelerate fund lead→memo. Series A (Oct ’25), $12M raised; team of 7, fully in-office (Midtown Manhattan).

Avtal builds software for the digital debt collections space with a strong focus on data workflows, compliance, and reliability at scale. The environment is pragmatic and fast-paced — small team, high ownership. Looking for engineers who have shippe…

EquipmentShare is the fastest-growing heavy construction equipment leasing company with a proprietary SaaS product T3. Seeking a Senior Software Engineer for the Data/Platform team. Role is 100% remote within the US. Benefits include $150k-$175k bas…

After creating and releasing PyTorch Lightning in 2019, Lightning AI was launched to reshape the development of artificial intelligence products for commercial and academic use. Positions: Full-Stack Engineer, Backend Engineer, AI Performance Optimi…

We build tools that help creators sell directly to their audiences. Small team, big surface area: you’ll ship end-to-end (product → design → code → metrics). Looking for strong product-minded engineers (backend, full-stack, or generalist). Bonus if …

At Bedrock Data, we are building next-generation data security platforms that require the highest standards of performance, reliability, and scale. We're looking for talented backend engineers to join our growing team. The backend engineering team i…

We’re building an AI workforce for property management, automating workflows and processes such as resident communication, leasing, and document processing through email, voice, and integrations (Yardi, Rent Manager, CRMs). NYC-based, venture-backed…

At Float, we're building capital markets infrastructure. Our AI-native platform is tackling decades-old inefficiencies, creating technology that enables financial institutions to interact seamlessly and automate intelligently. Based in SoHo, New Yor…

Radar is a geo-location developer platform handling 1B+ API calls per day. HQ in Union Square, NYC and remote-friendly within the US. Main languages are Rust and TypeScript; additional stack includes Python, Scala and Terraform. Projects include Hor…

Griffin Bank is a fully authorized, API-first bank (about 80 people, 30 in engineering) that built its own core banking system. Hiring broadly across engineering for backend, frontend and design system engineers to work on onboarding and KYC, paymen…

Resemble AI (San Francisco Bay Area, Mountain View, CA) is building state-of-the-art AI models, including a foundation model for deepfake detection. Seeking engineers to prototype directly with founders. Open roles: Frontend Engineer (React/TypeScri…

The cost of homeowners insurance, especially in natural catastrophe prone areas, has skyrocketed in recent years. Annex is solving this problem with better digital infrastructure for executing the transaction. Our platform enables insurance agents t…

PostHog | Full-Time | Product engineers, backend engineers, Technical AMs | REMOTE (all remote) | Hiring GMT-8 to GMT+2 PostHog equips developers to build successful products by combining product analytics, feature flags, session replay, a data ware…

Hiring backend engineers from Senior to Staff/Lead/Director/Principal level, primarily Go roles (with a 10-week onboarding program for candidates from other stacks). Also hiring Staff Python Engineer (Open Source Video/Voice AI Library) and Staff Pr…

SmarterDx builds clinical AI that empowers hospitals to analyze the complete record of every patient to capture the value of care delivered. Founded by physicians in 2020, their proprietary AI platform models clinical reasoning to help hospitals rec…

We are consistently hiring backend engineers ranging from Senior level to Staff / Lead / Director / Principal Go engineers. If you have experience with a different tech stack, we offer a 10-week onboarding program to train you in Go, scaling and oth…

ThreatMark protects >50M end users from financial fraud and saves > $100M every year in losses. We are working with top banks in EU and US to protect their end users. We develop large-behavioral models that recognizes returning users by their mouse …

Looking for two roles: 1. Backend Engineer & FrontEnd Engineer (Hybrid SFO). I'm looking for junior-to-senior software engineers to work with me (CTO) directly. Our systems process millions of pages of documents a month for the mortgage industry. We…

Donna is the only proactive AI assistant built for field sales, helping teams save time, boost CRM adoption, and sell smarter. Founded by seasoned entrepreneurs, we’re an AI-native company building the next wave of intelligent AI tools for sales.

At Bedrock Data, we are building next-generation data security platforms that require the highest standards of performance, reliability, and scale. We're looking for talented backend engineers to join our growing team at Bedrock. Our backend en…

We're creating state of the art Generative Voice AI models. Looking for full stack, frontend and machine learning engineers that would love to create prototypes directly with the founders. Recently, we open sourced a state of the art speech enhancem…

Backend development in support of web-based augmented reality experiences and games for mobile devices. API integration and development. Management of cloud infrastructure and services.

Akkio is building beautiful, consumer-grade AI-first workflows for media agencies: audience building and distribution, measurement / campaign analysis, media planning, etc. Generative and traditional AI/ML.

We build AI tools that help high-volume law firms manage their caseloads more efficiently. Our first product—an AI assistant that transcribes and classifies inbound calls—is in production. We’re now expanding into case tracking, follow-ups, and full…

We create simple yet powerful productivity tools like Todoist, used by millions worldwide. Backend Engineer: Work on the backend that powers Todoist at scale (millions of users, billions of tasks). Current challenges: re-sharding, a new sync engine,…

We build clinical AI that empowers hospitals to analyze the complete record of every patient to fully capture the value of care delivered. Founded by physicians in 2020, our proprietary AI platform understands the nuances of clinical reasoning, enab…