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Senior Simulation Software Engineer, GNC
Build and maintain high-fidelity missile simulation software in C++/Rust to test guidance, navigation, and control systems for next-gen long-range strike weapons.
Product Security Architect, Embedded Systems
Architect and implement cryptographic foundations for embedded flight systems, including secure boot, encryption, code signing, and key management to protect mission-critical defense hardware.
Embedded Software Engineer (All Levels)
Develop and test embedded software for autonomous flight systems and hypersonic missile capabilities, collaborating across hardware/software teams to ensure mission-critical performance.
Lead Flight Software Engineer
Lead embedded software development for next-gen long-range strike weapons, designing Linux-based real-time systems, mentoring engineers, and ensuring mission-critical reliability across hardware-software integration.
Senior Developer Relations
Drive blockchain developer adoption by hosting events, creating docs, and engaging communities around a modular Layer-1/Layer-2 network using rollup tech.
ZK Cryptography Engineer - Web3 User Data Platform
Design and implement zero-knowledge cryptography solutions to enable secure, private data interactions between a Web3 user data platform and enterprise clients.
Blockchain Engineer - Blockchain Infrastructure Company
Build and optimize Solidity smart contracts and dApps for a financial-infrastructure platform, integrating with Ethereum and EVM chains while collaborating with cross-functional teams.
CTO - Layer 1 Blockchain
Lead the architecture and development of a high-performance, modular Layer 1 blockchain network, focusing on consensus, encryption, and smart contract security.
Backend engineer - Layer 2 DeFi
Build core DeFi protocol infrastructure using Rust/C++ and TypeScript, including smart contracts and serverless components on Cloudflare Workers.
Backend engineer - Layer 2 DeFi (For 852Dev)
Build core backend components for a DeFi protocol using C++/Rust and TypeScript, including smart contracts and cloud infrastructure with Docker and Cloudflare Workers.
Backend & Data Platform Engineer
Build and maintain Python/Java backend services and data pipelines for Loora’s AI English tutor, including real-time processing, analytics, and AI model training infrastructure.
AI Engineer - Reinforcement Learning
Designs and optimizes large language models and reasoning pipelines for formal code verification, using Python/C++ and PyTorch/JAX in a San Francisco office.
AI Engineer in Synthetic Data
Designs and refines ML data pipelines for distributed training and validation of AI models that enable formally verifiable software, using Python/C++ and frameworks like PyTorch/TensorFlow.
Lead/Staff Full Stack Engineer, AI Platform & Agents (US/Canada Hybrid/Remote)
Build and deploy a GenAI platform and AI agents for healthcare, legal, tax, and compliance, using TypeScript, Python, LangChain, and cloud services to enable faster, safer decision-making at scale.
Senior Backend Engineer (Ruby), Plan: Portfolio Experience
A Senior Backend Engineer (Ruby) at GitLab will design and build scalable backend features for the Portfolio Experience team, focusing on work item management, GraphQL APIs, and PostgreSQL/Elasticsearch optimizations to support millions of items across projects.
Senior Rust or Java Developer, Fixed Income Trading, Senior Vice President
Builds and maintains low-latency pre-trade risk controls and regulatory reporting for fixed income trading using Rust and Java, ensuring compliance with MiFID II, SEC, and CFTC rules.
Senior Embedded Softwareentwickler Rust/C++ (m/w/d)
Develop embedded systems firmware using Rust and C++ for electronics test and measurement devices in a global tech company.
Staff Backend / Database Infrastructure Engineer
Staff engineer designing and building a custom database and high-throughput backend infrastructure for a YC-backed startup's QA platform for AI voice agents, scaling toward 100k+ concurrent calls using PostgreSQL, Kafka, Redis, ClickHouse, and similar systems.
Software Engineer
Build and maintain web and back-end services for Razer’s gaming ecosystem using modern stacks like React, Node.js, Go, or Python, while collaborating with AI, data, and DevOps teams.
Freelance Senior Python Developer - Functional Test Frameworks
Build and run pytest-based functional test frameworks for AI-native CLI projects, using Python 3.10, Docker, and CI pipelines to validate AI responses and migration stubs.