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About Energy CX: Energy CX is redefining the energy brokerage industry as the fastest-growing player in the US. By bringing cutting-edge technology, advanced analytics, and innovative solutions, we are disrupting a…
Founding developer relations hire at Weave (YC W25), an AI platform that measures engineering-team productivity. Day to day you build demos and own the open-source Weave Router (Go), write deep-dive technical content, run the developer community, and improve docs/SDKs — working 5 days a week from the SF office.
AI Engineer at 9fin building large-scale generative AI systems for its debt-markets data platform, from retrieval and knowledge graphs to agentic workflows. Day to day you own the end-to-end model lifecycle (experimentation, training, evals, deployment) in Python on AWS, collaborating cross-functionally to push AI adoption across the product.
Designs tenant, landlord, and agent-facing portals and internal tools for an AI-driven UK lettings platform, establishing design systems and workflows in a fast-growing startup.
Lead a small team of electrical engineers designing custom avionics controllers for Relativity Space's Terran R launch vehicle, owning the full lifecycle from design through flight operations. Core work centers on mixed-signal/analog circuit design, sensor interfacing, and control electronics for engines, fluids, and separation systems.
Frontend Developer building responsive web applications with Angular at Univacity, an education-sector startup. The role involves translating designs into efficient code, creating reusable components, optimizing performance, and integrating with backend APIs.
Entry-level (0–1 yr) Android developer building native Kotlin apps for drone mission planning and operations. Day to day: develop features with XML layouts, MVVM/ViewModel, Room/SQLite, Coroutines, and REST APIs, debug and optimize performance, and collaborate with backend, product, and embedded teams.
Owns the security assurance program end to end at a crypto/fintech startup: leading SOC 2 Type II certification, running controls across custody, multisig ops, incident response and infrastructure, fronting institutional security diligence, and defining detection/access-control requirements for engineers across web2 and web3 (AWS, Ethereum, Datadog).
Design compute modules and boards end-to-end for autonomous defense systems, covering architecture, schematic, layout guidance, fabrication, bring-up, and qualification using high-speed digital design (PCIe, 10GbE, USB 3.x, MIPI) and electronic CAD tools like Altium.
Develops real-time embedded firmware in C/C++ for custom electronics and control systems that operate nuclear microreactors, ensuring safe hardware initialization, monitoring, and fault handling.
As a Security Operations Engineer, you'll design, implement, and operate security controls across infrastructure, conduct threat modeling, manage incident response, and administer SIEM/SOAR platforms. Core technologies include SIEM/SOAR (e.g., Splunk, KQL), cloud security, and containerized environments.
Software engineer at Infostellar building StellarStation, a GSaaS cloud platform that virtualizes ground station networks for satellites. Day to day: Go-based backend services, MQTT data paths between ground hardware and AWS, Kubernetes/serverless infrastructure, service UIs, plus optional RF/satellite work (GNU Radio, SDR).
Data Analyst at Air configures SQL/Python-based tools, integrates data, and builds visualizations to help government agencies track readiness and program performance in national security contexts.
Lead a team building AI agents that automate complex workflows for U.S. government agencies using LLMs, agent frameworks, and cloud tools.
Leads a small team of front-end and back-end engineers building Air's AI-native Enterprise Readiness platform for government and defense customers — running Agile ceremonies, setting coding/testing standards, and developing Spring Boot/Quarkus applications with SQL databases. Onsite in Pittsburgh, PA; U.S. citizenship required.
Senior Data Analyst at Air configures SQL/Python-driven analytics to solve national security challenges, trains government clients, and delivers data-driven insights via visualizations and briefings.
Quality champion who designs, builds, and runs automated and manual testing for Air's Enterprise Readiness platform, working hand-in-hand with developers on test plans, regression scripts, CI/CD, and defect tracking in JIRA. Core stack includes Selenium, JavaScript, Python, and PostgreSQL; onsite in Pittsburgh with up to 10% travel.
Senior Data Scientist builds and deploys machine learning models for fraud detection, risk scoring, and credit decisioning, handling the full model lifecycle from data exploration to production monitoring, using Python, SQL and ML frameworks like scikit‑learn, XGBoost, PyTorch or TensorFlow.
Design and build low‑latency, distributed backend systems for a fraud detection and customer intelligence platform, handling millions of events daily, using Java or Python, microservices, cloud services, and data pipelines.
The junior data scientist will build and deploy binary fraud classifiers using Python, XGBoost/LightGBM, and SQL, engineer features from diverse signals, monitor model health, and collaborate with engineering and product teams.
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