Python Jobs

Seeking engineers to design and optimize high-performance periodic auction matching and analytics infrastructure. Roles include Systems Engineer focused on low-latency, high-throughput distributed computing, and Software Engineer, Data Platform focu…

Work closely with developers building applications in Python and JavaScript to ensure code runs seamlessly in production. Drive solutions for hybrid infrastructure (on-premise and public cloud) and architect an AWS-based platform. Manage technologie…

Seeking experienced Software and Site Reliability Engineers to secure MongoDB Atlas infrastructure across AWS, GCP, and Azure. Builder role focused on security tooling and observability, runtime detection, hardening policies, and infrastructure-as-c…

We’re building an AI chat platform where humans and AI interact in group chats, voice, and video. Small team, high ownership, ship fast. Talk to users and build things you actually use. Looking for a fullstack engineer to build product features end-…

F-1 STEM OPT through Feb 2028 (no sponsorship needed). 4 yrs production GenAI experience: AWS Bedrock, RAG (92% recall, HIPAA), LangGraph multi-agent copilots shipped to production, QLoRA/LLaMA 2 fine-tuning, LangChain/LlamaIndex, Python, Docker/K8s…

We build AI-powered agricultural tools through the Claude Partner Network. Team holds CCA certification. Looking for people who want founding equity in a small, remote-first company doing real work at the intersection of agtech and LLMs. Roles: Full…

User interfaces are dead. Knowledge workers will exclusively work through agent interfaces like Claude Code/Cowork. Deepline built the interface layer to enable that. One API that unifies hundreds of data providers, workflows, and data infrastructur…

We’re looking for a Lead Engineer to help shape the future of HostGPO’s platform, data systems, and technical direction. This person will be a senior builder and technical leader who can architect and ship scalable systems, navigate messy real-world…

I3W (Infinity Intelligence Innovation Wing) builds intelligent and scalable products across AI, design, and engineering. Hiring multiple full-time on-site roles in Noida (Sector 62): Web Frontend Engineer, Backend Developer, AI/ML Engineer, Gaming D…

At Twindo, we’re working on spatial computing - using computer vision to 3D reconstruct and understand your surroundings so that software can operate over real-world spaces. Twindo brings together everything that professionals need to understand the…

Come build the website for Carnegie Hall! It's a small team that works with the entire organization on all kinds of development projects. Mostly C# and a little python. Sitecore experience would be great but other CMS experience considered.

Turquoise Health is a Series C HealthTech startup, distributed remotely across the USA. They are hiring full-time software engineers for the product engineering team to address the U.S. healthcare revenue cycle. Looking for high-performing full-stac…

Arvo is building an AI meeting assistant for investment banking and private equity. Hiring a Founding Engineer to work closely with the founders across desktop, backend, and AI workflows. High-ownership role with significant influence on product, ar…

Company: We are the Healthtech powering brands like Google, Samsung, Perplexity, OpenAI, Noom and others. We empower people to own their health data and drive detailed insights so they can make more informed decisions. Role: As a Senior Site Reliabi…

Curie is a telehealth platform combining clinical expertise with AI to deliver personalized, accessible care. Team includes ex-founders, clinicians, and engineers from Stanford, Harvard, UCLA, Berkeley, and AWS. The role is for an AI Engineer to own…

We build AI phone agents for US healthcare — insurance claims, benefit verification, scheduling. 300K+ calls/month. Series A closed, R&D fully in Barcelona. Stack: Python, FastAPI, React/TypeScript. Small engineering team, fast pace, real ownership.…

We're a freight brokerage in NJ building a self-hosted, AI-first platform to replace our legacy CRM/TMS. The AI compute infrastructure and data foundation are already in place. We need the architect who turns it into a production operating system. T…

BillionToOne is a molecular diagnostics company in Menlo Park, CA. Their software team builds products to detect prenatal genetic conditions non-invasively and to improve cancer treatment option discovery. They emphasize small teams with high owners…

Lead the technical execution for a proprietary multi-agent AI platform that operationalizes the company's founder-story methodology. Architecture spec exists and parts are already in production; role requires translating the CEO's vision into techni…

Remote Full-Stack Engineer (Python/React) role building production AI systems focused on real-world workflows, data pipelines, and integrating LLM-based systems into usable products. Work includes designing backend systems and APIs, building and sca…

Flow Traders is a leading proprietary trading firm recruiting Research Engineers for its Hong Kong office. The role involves building and scaling the research framework behind systematic trading models, working closely with Quantitative Researchers,…

Odoo builds open-source business apps used by millions. We’re hiring full stack developers to work on our Python/PostgreSQL backend, fast JS framework, mobile apps, website builder, and more. Why join us: €10k signing bonus - Visa sponsorship + relo…

ThreatMark protects >50M end users from financial fraud and saves >$100M annually. The company works with top banks in the EU and US and builds large behavioral models (mouse movements, keystroke timings, sensor data) to detect fraud and cyberthreat…

Subsalt is building tools to make regulated, sensitive datasets easy to analyze without exposing personal information. Seeking an ambitious senior software engineer to work directly with enterprise customers to design and extend core system componen…

Baseten is hiring multiple core roles to support its AI infrastructure platform, including Solution Architect, AI Solutions Engineer/Forward Deployed Engineer, and Customer Engineer. Responsibilities include technical discovery, solution design, dem…

We build and operate long-range autonomous cargo aircraft. We've been flying real customer missions since 2017. Our newest aircraft carries 100 lbs for over 1,000 miles. We recently landed a $37M Air Force contract and are moving into full productio…

Building the platform primitives that power copilot.com (Microsoft's ChatGPT). Design and build secure, performant platform services for AI at scale; collaborate with infrastructure, product, design, and research teams; ship high-quality code that r…

Adclear is building real-time multi-agent AI pipelines to evaluate regulated marketing content for clients like Monzo, Lloyds, PensionBee, and Plum. The role reports to the CTO and AI engineers and involves owning how these systems evolve in product…

We are building an AI-first bioinformatics platform to empower life science researchers with agentic AI and LLMs. Backed by pre-seed funding, a government grant, and customers from biotech, agrotech, and pharma companies, we are looking for a full-s…

Lead platform engineer to own full-stack development across Console, Builder, and Solutions apps for an AI platform for molecular discovery. Responsibilities include shipping agentic workflows for molecular design, building integrations with sequenc…

Onos Health is a well-funded healthcare AI company focused on reducing waste in behavioral health spend by improving care quality, catching fraud, automating reviews, and guiding members to proper clinical pathways. The company ships AI-driven solut…

Work remotely as a backend engineer on a trustless supercluster of GPU-enabled sandboxed Docker container runners controlled by decentralized algorithms. Fully remote, minimum 30 hours/week, B2B contract. Must have 5+ years programming experience an…

The Redistricting Data Hub is hiring a full-time Data Analyst to join a small remote (US) team. The role involves working with geospatial data, election results, and other datasets; performing data processing and analysis; and requires comfort worki…

Pinwheel is the Plaid for payroll — APIs and SDKs that give banks, fintechs, and lenders real-time, consumer-permissioned access to payroll data across 1,800 platforms covering 80% of US workers. Series B. Roles: Fullstack Engineer (backend-leaning)…

Weave Bio (Series A) has developed an AI-native platform to help research and discovery scientists accelerate FDA regulatory submission. Hiring multiple full-time roles including Senior and Staff Backend and Frontend Engineers, Senior Product Design…

At Formical, we believe we can become the first sustainable generation on Earth. Biotechnology plays a key role in this future - benefiting all people, animals, and our planet by making industrial production more sustainable. But bioprocessing still…

We build geospatial AI infrastructure. Our platform lets analysts train custom object and change detection models on satellite/aerial/drone imagery in minutes, then reconstructs 3D terrain from those detections. We just shipped a planetary-scale sim…

At Volcore, we model the electricity system to do proprietary trading that helps balance the grid and facilitate renewables integration. Our technical roles are a blend of Software Engineering and Data Science, wherein we solve problems end-to-end, …

We are a Machine Learning consulting company that builds end-to-end Machine Learning solutions. By applying the latest AI research, we keep our clients at the forefront of innovation. Work on innovative projects for the biggest clients across Europe…

Be the 2nd technical hire for a greenfield platform for securities lending, repo and delta-1 trading. Build Python ETL and Java services with PostgreSQL, working directly with traders and operations to replace non-scalable workflows.

HUNT Cloud provides trustworthy cloud computing for high-impact science that utilizes sensitive data. We believe it should be simple for scientists to get flexible, elegant and secure digital laboratories. Tech stack: Research services for sensitive…

Zigment is a customer journey platform that makes it simple to build AI agents for enterprises. Small, lean tech team focused on building reliable and scalable AI systems, with access to the latest AI coding and productivity tools. Open roles: Softw…

MixRank (YC S11) is a fully-remote, US-incorporated, employee-owned data startup that processes petabytes of data monthly (web crawling, distributed file systems, APK/IPA analysis). Hiring continuously for full-time remote roles including Junior Sof…

Small scientific software development company building custom scientific and engineering analysis applications (space situational awareness, image simulation, high power microwave systems, modeling and simulation, laser systems modeling, AI/ML inclu…

Build intuitive, robust web apps, machine learning models, backend systems, and AI agent systems for real-time economic optimization and prediction in energy and manufacturing plants. Roles include full-stack/backend software engineers (Python/TypeS…

AI health coaching startup with a live product built on biomarkers (DNA, wearables, labs, food logs). Seeking a Founding Engineer to own architecture and infrastructure, modernize the stack (containerize, CI/CD), and lead a HIPAA-compliant AWS migra…

CivAI is a non-profit that educates policymakers and the public about AI risks using live software demonstrations. As a software engineer, you will be responsible for conceiving of, and building end-to-end, the software demonstrations that are the c…

Baserow is an open-source no-code platform for databases, applications, automations. We’re a remote team across 12 countries. We’re hiring a Product Engineer to work end-to-end across the stack. - Product ownership from idea to launch - Full-stack w…

Goody is building a gifting product for businesses to recognize employees, retain customers, and accelerate sales. The product is used by Google, Stripe, Anthropic, Meta, NBCUniversal, Notion, and others, and Goody offers a developer API for commerc…

Modal builds a serverless cloud used by many AI companies for inference, training, batch operations and sandboxes. The company has passed over a billion sandboxes. Hiring for the Product Engineering team that builds observability tooling for develop…

River is a Bitcoin-first financial institution building consumer and business products to save in bitcoin and spend in dollars. The company custodies BTC, publishes proof of reserves, and is profitable. Engineering work includes real-time Bitcoin an…

NXLog is an engineering-led company building high-performance, multi-platform log collection and telemetry solutions, specializing in low-level systems programming (C/Rust) for enterprise security. Hiring for three full-time B2B contract roles: Agen…

Copper Home (fka Channing Street Copper) builds battery-integrated induction appliances for home electrification — making decarbonization accessible by putting energy storage inside everyday products, starting with the stove. The firmware team is sm…

Build and maintain alternative data products for institutional investors. Own data pipelines end-to-end including collection, cleaning, structuring, monitoring, and error resolution. Work directly with the founder. Products delivered via API and SFT…

The AMF works to fight malaria in an extremely cost effective way with insecticide treated bed-nets. Every year hundreds of millions of people will be infected with malaria, and half a million of them will die, with many more being debilitated or di…

We’re Quadrature, a technology company in the algo trading space. We use advanced machine learning on large amounts of data to predict trends in financial markets. More at https://quadrature.ai. What makes us different: - ~250 people, no traders — o…

Ping Data Intelligence (Miami, FL) is hiring a Senior Software Engineer to work onsite in Delhi, India. The role involves working alongside the data entry team to increase efficiency, streamline processes through ML and UI improvements, and triage a…

Stackable | Product Engineer - Web & UI | Remote (Germany/UK) | ~20 people | Full or part-time IMPORTANT: ONLY APPLY IF YOU ARE PHYSICALLY BASED IN GERMANY OR UK! We build an open source data platform on Kubernetes. The product (Stackable Data Pla…

Cyngn is a publicly traded (~100 people) company building and deploying self-driving industrial vehicles (forklifts, tuggers) to production customer sites across North America. Hiring across engineering, product, field ops, and business for roles sp…

We are hiring two Product Engineers to join our newly opened San Francisco office. Kinelo addresses "context myopia" by organizing humans and autonomous AI coworkers into workflows that improve task accuracy and effectiveness. The role emphasizes im…

Mixpeek is a multimodal AI infrastructure company that converts unstructured content (video, images, audio, documents) into searchable, programmable assets via a unified API. They are building MVS (Mixpeek Vector Store), a distributed vector databas…

Lantern builds AI-powered revenue intelligence and agentic systems. Senior Software Engineer will own complex technical problems end-to-end, translate customer needs into scalable architecture, optimize AI model efficiency (including prompt engineer…

Enveritas is a 501(c)(3) nonprofit working on sustainability issues facing smallholder coffee farmers. We collect field data in 25+ countries and build systems for analyzing risks in coffee supply chains (including EUDR-related deforestation checks)…

We are building an AI platform for credit unions. A variety of tools (third party integrations + RAG) backed by multiple LLM options, including OLMo, running in our own AWS infrastructure. Small team (CTO is the poster and the first technical hire) …

Archer is an aerospace company building an all-electric vertical takeoff and landing aircraft with a mission to advance the benefits of sustainable urban air mobility. We're pushing the envelope in aviation software products. We have production airc…

Authentik Security (https://goauthentik.io) is the company behind authentik (https://github.com/goauthentik/authentik), an open source identity provider with 1M+ unique installations. Help us replace Okta/Auth0, Ping Identity, and Microsoft Entra wi…

Design and build a scalable, event-driven data pipeline; shape data infrastructure, evaluate tradeoffs, establish patterns, and guide migration from a legacy system to a modern data architecture.

We are looking for two experienced back-end engineers: (1) one to lead work with our client’s e-commerce business; (2) a second to be part of a small team working on a greenfield project involving ML and NLP driven workflow automation tools. The ide…

We're building AI-powered recruiting and market intelligence for real estate — an industry that moves $100B+ in annual commissions and still runs on spreadsheets and cold calls. Our backend ingests data from dozens of sources, processes millions of …

AllSpice is building a hardware development and collaboration platform (GitHub + copilot for hardware). Remote-first team with flex offices in Somerville, MA and San Francisco, MA. Series A company. Hiring multiple full-time roles (US timezones) inc…

Immunera is building blood tests that use gene sequencing and machine learning to help patients with autoimmune disease. The company spun out of Stanford research. Hiring a Principal Machine Learning Engineer to shape core models and infrastructure …

Nuance Labs is building a "human foundation model" that understands and expresses human emotion in real-time across speech, facial expression, and body language. They recently raised a $10M seed round and are a small, fast-moving team that values in…

Ema is building the Universal AI Employee — AI that handles repetitive enterprise tasks so people can focus on creative, high-impact work. Founded by ex-Google and Coinbase execs. $75M raised from Accel, Section 32, Prosus, KPMG, and others. We're h…

Addepar is hiring a Software Engineering Manager for the New Workflow Platform team. The company is pivoting from a SaaS suite to a global orchestration platform. Looking for a hands-on leader with 2+ years of management experience and a deep unders…

We are building a unified platform for credit and financial data to power financial inclusion globally. YC-backed company (investors include Canapi Ventures, Kleiner Perkins, General Catalyst, and Index Ventures). Hiring software engineers from Mid-…

North Island Ventures is a crypto-focused investment firm. We are hiring a 2nd engineer to join our CTO in building out an AI investment stack using Python, Typescript, and React. We built out an investment agent that our research team is already us…

3ive.ai | Founding Engineer (Staff level) | EU REMOTE (Germany preferred) | Equity A software engineer today has Claude Code and Cursor. A mechanical engineer designing the next jet engine? Still searching Excel sheets and asking whoever has been a…

Seeking senior engineers to join an early-stage AI platform team. Backend Engineer (Kotlin/Java/Scala) to build enterprise integrations, large-scale scraping and parsing pipelines, and systems to apply LLMs to millions of documents. AI Engineer to b…

Radar Labs is a geo-location developer platform handling 1B+ API calls per day. They hire software engineers across SRE, data platform, backend, full-stack, and mobile roles. Main languages are Rust and TypeScript; they also use Python, Scala and Te…

Rinse provides dry cleaning and laundry delivery services in multiple metropolitan areas in the US and Canada. Stable, decade-old company with sophisticated logistics optimization software and a consumer product. Engineering team is distributed and …

Build and own production systems for an AI-driven B2B payments platform. Work on decision engine for optimal action sequencing, real-time WebSocket infrastructure for human agents, scoring/ranking pipelines combining ML outputs with business rules, …

Civilization Labs is a Public Benefit Corporation building tools to help people pressure-test ideas before acting on them. Our products are designed to make reasoning more transparent, surface uncertainty clearly, ground conclusions in evidence, and…

Build and operate distributed database systems and data platform services that store all of the data for Discord's 200M+ users. Solve problems around performance, reliability, and scalability. Requires strong infrastructure and distributed systems e…

We’re building software to fix messy, real-world healthcare workflows—the kind that don’t fit neatly into SaaS. This is a high-autonomy role for engineers who want ownership. You’ll work directly with customers, turn ambiguous problems into working …

Fusionbox is a software engineering consultancy that builds enterprise software and open sources client code. Engineers contribute to Django core and the company sponsors PyCon, DjangoCon, and Django Girls. They seek software engineers who value sof…

Findigs is transforming the rental experience by building high-scale applications to streamline renting for millions. The company uses a modern tech stack and fosters a collaborative culture with high ownership and autonomy. The team is based in a n…

Assembly is a vertically-integrated, technology-native holding company that acquires industrial real estate. We take an AI-native approach across the full surface area of our business; data-based geography selection, owner outreach, due diligence, d…

Conductor is an app that lets you run a team of coding agents on your Mac. We've grown 10x since January, and just yesterday we announced our $22m Series A. We're a small team (four people) and we're looking for exceptional software engineers and de…

Alterdd is building the fit intelligence layer for fashion. Currently, brands lack structured data on how their products actually fit real customers, making it a massively costly problem. We are fixing this by helping brands understand their fit so …

Beacon AI builds intelligent systems that make aviation safer and more autonomous. We’ve completed multiple DoD programs and are expanding our team with exceptional technical leaders to push the boundaries of human-machine collaboration in the cockp…

CodeWeavers is seeking a full-time developer to join the PortJump team to build application ports on macOS and Linux using Wine and CrossOver. Responsibilities include developing, debugging, and testing on macOS and Linux. Ideal candidate has experi…

Hiring software engineers to solve real-world problems and work close to hardware. Projects include scientific tools; automation & robotics (Linux & ROS level); embedded C/C++; Linux, CUDA, server engineering for AI safety, security, and verificatio…

Looking for experienced engineers to build and scale infrastructure and data platforms for a Berlin asset management fund. The team is building AI-driven investment infrastructure to support high alpha targets. Responsibilities include designing lar…

Founding technical operations lead for an AI-native clinical data platform. Responsible for CI/CD, QA, testing infrastructure, compliance documentation, and ~30-40% independent feature development. Must be actively shipping software using AI coding …

Regal is the AI Agent Platform — we power millions of outbound/inbound calls, SMS, and email interactions for enterprise customers like Google, AAA, and Coursera. $82M raised, $7B in revenue driven for customers, 250M+ calls completed. We're hiring …

Hiring software engineers who enjoy solving real-world problems and working close to hardware. Candidates should learn new domains quickly and prefer practical solutions over unnecessary complexity. Projects include scientific tools; automation & ro…

We’re hiring a Senior Full Stack Engineer at Intrinio. Intrinio powers fintech platforms, trading tools, and analytics applications with real-time and historical financial data. Our team standardizes complex market data into clean, developer-friendl…

Early-stage startup building a web-native natural language geological modelling platform for geologists at mineral exploration companies. Hiring the first/full-stack engineer to work with two founders (CTO and CEO who is a structural geologist). Ear…

Atomic Tessellator provides computational infrastructure for advanced materials for defence and aerospace. Hiring multiple roles (including Lead Engineer - Front-end and Lead Engineer - LLMs). Roles are remote; candidates should be within ±4 hours o…