16,809 Startups jobs
Open tech roles at startups.

Systems Integration Engineer, SST & BESS Applications
Heron Power is hiring a Systems Integration Engineer to own application-level testing of its solid state transformer across AI data center, utility-scale battery storage, and solar use cases. Day to day: hardware bring-up in the lab and at pilot sites, Python test automation, instrumentation setup, and debugging power electronics and battery system performance.

Senior/Staff Hardware Applications Engineer
Owns application-specific testing of Heron Power's solid state transformer across AI data center, utility-scale BESS, and PV use cases — bringing up hardware in the lab and pilot sites, writing Python test automation to drive power converters and instruments, and debugging performance (MPPT, EMS/BMS comms, protection). Core stack: power electronics, batteries, Python, CAN/Modbus, lab instrumentati
Sales Engineer (US Southeast / Mid-Atlantic / LATAM)
Pre-sales Solution Engineer for Novee, an AI-powered penetration testing platform, covering the Eastern US: leading technical demos, running customer POVs end-to-end, and advising prospects through the sales cycle alongside account executives. Requires 4+ years of pre-sales/Solution Engineering experience plus offensive security or application security background.
Product Manager
A hands-on junior product role at an AI-native property management company: the PM embeds with ops teams to map workflows, quantifies inefficiencies, and ships AI-driven automations alongside Forward Deployed Engineers. Core work involves LLM prototyping, process documentation, and dashboards (SQL/BI tools).
Product Designer, Freelance / Fractional
Freelance/fractional first product designer at an early-stage AI recruiting product, working 10–20 hours/week. Owns desktop visual and interaction design, sets up design systems and documentation, runs user research, and creates Figma prototypes while partnering with engineering.
Systems Engineer - All Levels
Systems Engineer at a defense startup building autonomous weapon platforms using computer vision and control systems; defines requirements, interfaces, and verification plans across hardware and software.
Senior Platform Software Engineer
Senior platform engineer owning production infrastructure and reliability for a small team's B2B SaaS user-led-growth platform. Day to day: architect and operate AWS (compute, messaging, storage, networking, observability), build CI/CD pipelines, and run production PostgreSQL, using TypeScript/Node.js (NestJS) and Terraform.
Senior Compliance Test Engineer
Senior Compliance Test Engineer at Heron Power, a grid power-electronics startup in Scotts Valley, CA. This person maps UL/IEC/IEEE regulatory requirements to test plans, runs safety and grid-interconnection compliance testing on inverters/converters, builds HV test setups, and drives NRTL certification with labs like UL, CSA, and TÜV.
Founding Engineer, Applied AI
Founding engineer at an early-stage construction-tech startup building AI that interprets construction plans. Day-to-day means taking computer vision and LLM prototypes from research to dependable production systems, plus practical 0-to-1 product work, on-site in San Francisco ($120k–$180k).
Senior Full-Stack Developer (Backend Focus)
Senior full-stack developer with a backend focus at an early-stage AI content platform: you design and build backend services, APIs, and high-throughput autonomous workflows for large-scale content processing, contributing to frontend as needed. Core stack is Node.js/TypeScript with Python, deployed via Docker, on-site in Munich.
Founding Engineer
Founding Engineer at an early-stage AI/logistics startup in Berlin: lead customer discovery and build full-stack apps that turn AI agent prototypes into production tools for freight operations. Core stack includes Node.js, TypeScript, React, Python, and LLM techniques like vector stores and fine-tuning.
Founding Product Designer/Engineer
Founding designer-engineer at Clera, an AI product team: owns user flows and design systems, and builds production frontend interfaces (React, TypeScript) that help operators understand and work with AI agents, iterating directly with customers. On-site in New York, $160k–$220k.
Founding Engineer, AI and Geometry / CAD
Founding engineer at an early-stage startup building a BIM authoring tool designed for AI agents. Day to day: build the 3D geometry/data core, develop agents that plan and edit real building models, and create generative design features honoring building codes. Stack includes LLMs/AI agents, 3D geometry/CAD (IFC, Revit), Python, TypeScript, three.js.
Founding Engineer, Computer Vision & Robotics
Founding (first) engineer at an early-stage industrial automation startup building a production computer vision perception system that understands manual factory work, starting with real-time quality inspection and laying groundwork for robotic automation. Core stack: Python, PyTorch, OpenCV, CUDA/TensorRT, and NVIDIA Jetson edge deployment.
Product Manager
Qodo, an AI-powered developer tooling company, seeks a Product Manager in Tel Aviv to own its platform end-to-end — from customer discovery and requirements through delivery and go-to-market — working daily with R&D. Requires 5+ years PM experience, strong technical foundation, and comfort with AI/LLM tooling.



Senior Backend Engineer – Platform Team
Senior Backend Engineer joining Balance's platform team in Sofia, owning the full software lifecycle—architecture, implementation, deployment, and production support—for a B2B payments/fintech platform. Core stack includes REST APIs, distributed systems, PostgreSQL/MongoDB, AWS, Docker/Kubernetes, and CI/CD, with a focus on AI-driven development practices.
Data Analyst
Appcharge, a Tel Aviv-based direct-to-consumer commerce platform for app publishers, is hiring a Data Analyst to own product and business KPIs, analyze user behavior, funnels and monetization, and build dashboards and external-facing insights. Core stack is SQL plus BI tools, with Python and AI-powered analytics as a plus.
Data Engineer Automotive — Hybrid Zurich, Data Pipelines
Data Engineer at HICONIUM (hybrid, Zurich) building the data foundation for transparent vehicle valuations — analyzing data sources and building pipelines with SQL and Python to power pricing models on the company's Swiss automotive intelligence platform. Working language is German; English is used for international sources.
Cloud Security Research
Aryon Security is hiring a Cloud Security Researcher in Tel Aviv to conduct hands-on research into cloud misconfigurations, IAM risks, and real-world attack vectors, then turn findings into product features, policies, and detection capabilities. Requires 3-5+ years in cloud security research and familiarity with a major cloud platform.
Senior Software Engineer - Backend
Senior backend engineer at a fintech startup in Vereeniging, South Africa (hybrid). Designs, builds, and maintains scalable APIs, microservices, and core infrastructure powering financial products, with mentoring duties. Stack includes Python/Java/Go/Node.js, cloud platforms, Docker/Kubernetes, and SQL/NoSQL databases.