16,817 Startups jobs
Open tech roles at startups.
Optical Systems Engineer
Designs and develops free-space optical/laser power-beaming systems for spacecraft at Star Catcher, an early-stage space startup building the Star Catcher Network, an orbital power grid, in Jacksonville, FL. Day-to-day work spans optical architecture and detailed design, modeling and simulation, prototyping and testbeds, and lab/field/on-orbit testing alongside multidisciplinary engineering teams.
IT Support Technician
Primary IT contact providing Tier 1/2 helpdesk and desktop support at Star Catcher's Jacksonville offices and high-tech labs: deploying hardware, onboarding/offboarding users, managing identity and access (Active Directory, Entra ID, M365/Google Workspace), endpoint management (Jamf/Intune), and enforcing IT compliance under NIST 800-171/CMMC and ITAR/EAR.
SRE Observability Lead
Félix, a Series C fintech offering cross-border remittances and financial services to Latinos in the US, seeks an Observability Lead within SRE to set technical direction, mentor a small team, and stay hands-on building monitoring, logging, tracing, and alerting on GCP/GKE with OpenTelemetry, Terraform, Helm, and Go or Python.
Senior Data Engineer
Senior data engineer who fully owns Orbisk's end-to-end data infrastructure: building ELT pipelines, warehouses, and APIs on Google Cloud Platform (BigQuery, Python, SQL, Terraform) to feed AI models and near-real-time dashboards that help hospitality kitchens cut food waste.

Graphic Designer
Designs investor decks, brand identity, ad campaigns, and event visuals in Figma and PowerPoint, while shaping Island’s AI-driven design strategy and processes.
Senior Site Reliability Engineer (Observability)
Senior SRE on Félix's Observability team: builds and evolves the monitoring, logging, tracing, and alerting stack (OpenTelemetry, Prometheus, Grafana) on GCP/GKE, defines SLOs, automates with Terraform/Helm and Go/Python/Bash, and joins on-call. Félix is a Series C fintech for remittances; currently fully remote in Argentina, later hybrid.
Senior Software Engineer, Platform Infrastructure
Moonlite builds the infrastructure behind ambitious AI. We design, deploy, and operate high-performance GPU systems for large-scale model training, computational research, and intensive data workloads. We combine…
Senior Software Engineer, Network Platform
Moonlite is hiring a Senior Software Engineer to build its software-defined networking platform for AI infrastructure: designing DPU-accelerated (NVIDIA Bluefield-3) network orchestration, multi-tenant VPC/VXLAN isolation, and high-performance RDMA/RoCE networking for distributed AI workloads. Core stack: Python, Go, Linux networking, Open vSwitch, BGP, Terraform.
Applied ML Engineer/Data Scientist
Build predictive ML models end to end on regulated Swiss employee health-insurance data — pricing, risk, claims triage, fraud detection — owning everything from feature engineering to production deployment and monitoring. Explicitly not an LLM role; core stack is Python, SQL, scikit-learn and MLOps tooling.
Senior Software Engineer, Compute Platform
Moonlite builds the infrastructure behind ambitious AI. We design, deploy, and operate high-performance GPU systems for large-scale model training, computational research, and intensive data workloads. We combine…
Senior Data Engineer
Senior Data Engineer at Tillster, which builds digital ordering and customer-engagement platforms for restaurants. The role owns real-time, batch, and streaming data pipelines across Redshift, BigQuery, and Snowflake, develops dbt models, and supports analytics, using Python, SQL, Airflow/Jenkins, and AWS.
Growth Marketing / Marketing Operations Manager (Remote)
About Field Materials AI Field Materials develops AI-native material management software for construction. Our AI agents streamline material purchasing and equipment rentals, inventory management, and prefab…
Senior Product Manager
Senior Product Manager at Karat Financial, a fintech serving creators with corporate cards and banking, owning the operational core: the application flow, credit decisioning, and internal tools for ops, compliance, and support. Day to day is discovery, PRDs, prototyping with AI coding tools, SQL analysis, and shipping with a small engineering team.
Founding Security Engineer
First dedicated security engineer at Karat, a Los Angeles fintech offering corporate cards and banking for creators. A hands-on role owning cloud, endpoint, and CI/CD security, SOC 2 and bank partner audits, detection & response, and appsec, writing infrastructure as code (Terraform/Pulumi) and application code.
Behavior Therapist
Behavior Therapist (BT) — ABA Therapy Starting at $24–$26/hr | Full-Time | Monday–Friday, 8:00 AM–4:30 PM | No Evenings or Weekends ANNA Autism Care is hiring passionate Behavior Therapists (BTs) to deliver…
Senior Full-Stack Engineer - Remote, Equity & Growth
Senior full-stack developer at a South African fintech startup, working fully remote to design, build, and maintain front-end and back-end modules with a focus on performance, scalability, and security. Core stack: React, Node.js or Python, PostgreSQL/MongoDB, REST/GraphQL APIs, and cloud/container tech.
Mid-Level Full Stack Developer (Hybrid)
Mid-level full stack developer for a fast-growing fintech startup in Tembisa, Gauteng, working hybrid. Day to day you build and maintain the core platform end to end: React/Angular/Vue front ends, Node.js/Python/Java/Go back ends, SQL/NoSQL databases, and RESTful APIs, from design through deployment.
Remote Senior Backend Engineer: Fintech APIs & Microservices
Fully remote senior backend engineer role at a fintech startup: design, build, and maintain APIs, microservices, and scalable backend systems while mentoring peers and shaping architecture. Stack spans Go, Python, Node.js, or Java, SQL/NoSQL databases, CI/CD, security, and performance work in a distributed cloud environment.
Remote Senior Backend Engineer - API Development
Senior backend engineer for a fintech startup's fully remote (South Africa-based) team: designing, building, and maintaining scalable, secure APIs and microservices, plus databases, CI/CD, and mentoring. Stack includes Go/Python/Node.js/Java, SQL and NoSQL databases, and cloud platforms like AWS.
Identity Security Engineer - Customer Delivery
Customer-facing IAM consultant at identity-security startup Way Security in Tel Aviv: owns customer implementation projects end to end — scoping, configuring, and deploying SSO, MFA, provisioning, and app onboarding across enterprise environments using platforms like Okta, Entra ID, and SailPoint, plus standards like SAML, OIDC, and SCIM.