2,916 Founding Engineer jobs
Founding engineer roles building the first product at early-stage startups.
Senior Systems Engineer
Echo Neurotechnologies, a startup building brain-computer interface (BCI) medical devices, seeks a Senior Systems Engineer to verify its custom hardware: developing test protocols, running design verification and compliance testing, building electromechanical test systems, and analyzing test data. Core background: electrical engineering and medical-device testing.
Sr. Software Engineer — Security
Security Engineer responsible for hardening Snorkel AI’s cloud infrastructure, developer platform, and AI/ML product security. Focuses on IaC governance, CSPM, incident response, and embedding security into engineering workflows while balancing developer velocity and compliance (NIST CSF, ISO 27001, SOC 2).
Software Engineer
Backend software engineer at a seed-stage fintech in Manhattan building infrastructure that lets institutions access prediction markets. Day to day: build backend services and APIs, data infrastructure and AWS cloud systems with Python and TypeScript, working closely with founders, fully in office.
Senior-Staff Enterprise Software Engineer
Antares, a venture-backed nuclear microreactor startup in Torrance, CA, seeks an enterprise software engineer to administer and improve supply chain, manufacturing, and quality systems (MES, ERP/MRP, procurement), building SQL/Python/API automations and AI-enabled workflows for a regulated, hardware-focused operation. Onsite role with ITAR eligibility required.
Systems Engineer, Integration & Test
Onsite Systems Engineer (Integration & Test) at defense-tech company CHAOS Industries: own the I&T process, integrating hardware, software, and firmware into deployable systems, running lab/field verification, debugging faults, and writing test plans. Requires a STEM degree, technical experience, and RF test equipment familiarity; Python/MATLAB/C++ and RF systems engineering are preferred.
Software Engineer Intern (Summer 2027)
Software Engineer Intern (Summer 2027) at Workshop, a venture-backed startup building internal-communications software. The intern works with engineers and designers to build product features, ships code to production regularly from the hybrid Omaha office, and uses AI dev tools like Claude Code, Cursor, and Codex.
Software Engineer (Scala)
Software Engineer on Quantifind's Platform team builds data services and ML infrastructure in Scala and Python — Spark MapReduce on dedicated Hadoop clusters, Kubernetes/Docker containers, REST microservices, and PostgreSQL — powering the SaaS anti-money-laundering platform used by banks and government agencies.
Launch and Recovery Engineering Manager
People-manager role at Varda Space (on-site, El Segundo, CA) owning launch vehicle mechanical/electrical interfaces, LSA deliverables, launch-site integration & test, and capsule recovery operations for reentry spacecraft, while building and leading a team of launch and recovery engineers scaling to 12+ vehicles/year. Core areas: satellite systems engineering, AFSPCMAN 91-710, FAA/FCC licensing, a
Principal Fluid Systems Engineer - Payloads
Varda Space is hiring a Principal Fluid Systems Engineer in El Segundo, CA to define and lead development of first-of-their-kind electromechanical fluid-handling payloads that manufacture pharmaceuticals in microgravity and survive hypersonic reentry. The role spans requirements, architecture, precision valves/pumps/thermal control hardware, testing campaigns, and mentoring, using tools like Pytho
Senior Fluid Systems Engineer - Payloads
Designs and owns precision fluid-handling payload hardware that manufactures pharmaceuticals in microgravity and endures reentry — valves, pumps, manifolds, and thermal control — taking payloads from concept through launch, on-orbit operation, and recovery at Varda's El Segundo facility.
Senior Space Systems Engineer, Flight Safety
A senior aerospace systems engineer owns mission safety and reentry compliance at Varda — building Flight Safety Analyses, FMEA/FHA, expected casualty and debris risk models, and the regulatory strategy for FAA Part 450 and Range Safety licensing. Day to day this spans safety-critical design verification through acting as Flight Safety responsible engineer during live on-console recovery operation
Space Systems Engineer, Flight Safety
Varda Space is hiring a Space Systems Engineer focused on flight safety in El Segundo, CA: performing flight safety analyses, FMEA/FHA, failure-mode trajectory and debris containment modeling, and producing FAA Part 450 / Range Safety regulatory compliance artifacts, including on-console mission operations support.
Software Engineer II, Device Security
Builds device-security software for Humanoid's humanoid robots: trusted boot, device provisioning, and key management using NVIDIA secure boot, UEFI, TPMs, ARM TrustZone, and HSMs, writing and debugging C++/Python/Rust code and Linux tooling. On-site in San Diego; ~1–3 years' experience.
Founding Software Engineer
Founding software engineer at Hitch, a startup blending a consultancy with a software platform for trades and services businesses. You'll build full-stack TypeScript apps, APIs, relational data models, AI agents and integrations, own delivery end to end, and work directly with founders and customers. Hybrid in Brisbane; salary plus super plus equity.
Engineering Manager, Protocols
Engineering manager at WEKA (a fast-growing data platform/storage startup) leading two squads in Israel and the US that develop the datapath for storage protocols (S3, NFS, SMB). The role mixes people management — hiring, mentoring, career growth — with technical oversight of planning, delivery, quality, and technical debt using C/C++, Python, Go, or Rust on Linux.
Robotic System Integration Engineer
This engineer integrates, tests, and deploys Maven Robotics' industrial robots in lab and field environments, debugging power, actuation, networking, and sensing systems with the Controls, Hardware, and Autonomy teams. Core stack: C++/Python, EtherCAT/CANopen fieldbuses, and Git; ROS2, Docker, and Ubuntu Linux are a plus.
Mission Integration Engineer - Payload I&T
Hands-on mission integration role at Apex, a satellite bus manufacturer: plan and execute customer payload integration and space-vehicle-level test campaigns (random vibration, quasi-static loads, TVAC, functional testing) on the cleanroom floor and at launch sites, working directly with customers and cross-disciplinary engineering teams.