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Senior Cyber Software Engineer
Senior engineer on STR's Defensive Cyber Technologies team building tools that improve the security of national defense systems: running security assessments, finding and remediating vulnerabilities, and developing fuzzing plus static/dynamic analysis tooling in C/C++. Requires an active Secret/Top Secret clearance and US citizenship.
Principal Network Security Engineer
Principal engineer on Roblox's Network Security pod: identifies vulnerabilities across a global network of data centers and public clouds, designs and builds high-performance protective systems (proxies, load balancers, firewalls, IDS/IPS), and provides security design reviews. Core stack: Golang/C++, TCP/UDP/DNS, DPDK/eBPF.
Senior Software Engineer, Realtime Analytics Platform
Senior engineer on Roblox's Real-time Analytics Platform team, owning and scaling StarRocks and Apache Druid OLAP clusters that power sub-second analytical queries over petabytes of daily data. Builds Kafka/Flink streaming ingestion, tunes MPP query-engine performance, and runs clusters on Kubernetes/Terraform; onsite in San Mateo.
Machine Learning Engineer - Agentic AI
ML engineer on DiDi's autonomous driving team (Voyager) building agentic AI systems: agents that propose and verify changes to driving policy code, data, and training recipes via recursive self-improvement loops. Work spans LLM agent harnesses, fine-tuning LLMs on agent trajectories, and skill libraries, using real-world driving data and Python/C++.
Senior Software Engineer, Content Understanding
Senior full-stack engineer on Roblox's Content Understanding Platform, building scalable backend systems and ML pipelines that process billions of assets (3D models, audio, text, video) to power search, discovery, moderation, and generative AI features. Stack spans Python/C#/C++/Java, cloud backends, PyTorch/TensorFlow, and some React/Angular.
Software Engineer, Engine Productivity
Builds and maintains the test infrastructure keeping Roblox's engine code healthy — code-coverage reporting, cross-platform unit-test harnesses (including PS4/5), the ReferenceClient, and the buck2 test system. Core stack is C/C++ with Python for tooling and data pipelines.
Sr. Software Engineer
Senior Software Engineer at Backblaze working on the storage platform powering B2 Object Storage and Computer Backup, improving data durability, throughput, and long-term architecture. Requires 7+ years of enterprise OOP (Java, Rust, C++, C#) and large-scale distributed systems experience; remote role in Colombia or Costa Rica.
Principal Software Engineer
Hands-on principal engineer designing, building, and optimizing Change Data Capture and data integration software that reads database transaction logs across mainframe and distributed environments. Core tech: C/C++, database internals, z/OS mainframe systems programming, and high-volume data processing at enterprise scale.
Staff Software Engineer, Mobile (P4)
Staff mobile engineer on Twilio's Stytch team, building and owning mobile SDKs for identity, authentication, and fraud prevention — including device-level signal collection and agentic identity use cases. Android-first (Kotlin/Java), with iOS, Kotlin Multiplatform, C/C++, Swift, or Go as pluses; remote within Canada.
Staff Machine Learning Engineer, AI Infrastructure
Staff ML engineer on Waymo's Driver Understanding & Evaluation team, building and operating ML infrastructure that takes evaluation models from data pipelines through distributed training to production serving on accelerators (TPU/GPU). Works in Python/C++ with JAX/TensorFlow/PyTorch across real-world driving and simulation data.
Machine Learning Engineer, GenAI Technology
Designs and leads enterprise-grade AI/ML systems, including GenAI services, while mentoring engineers and ensuring scalable, reliable, and compliant solutions for a global investment firm.
Quantitative Analyst / Software Developer
Build and research statistical arbitrage trading strategies using Python/C++ in a Linux environment, expanding into new markets and asset classes.
Quantitative Software Developer
Builds and maintains trading systems and research infrastructure for a quantitative hedge fund, using Python, C/C++, and numerical libraries to automate alpha estimation, backtesting, and portfolio construction.
Quantitative Software Developer Intern
Build and optimize trading systems in Python/C++ while collaborating on a low-latency production platform for systematic trading.
Quantitative Software Developer
Builds and maintains research infrastructure and backtesting frameworks for systematic trading strategies using C++ and Python.
Machine Learning Engineer, GenAI Technology
Design and build AI/ML systems for a global investment firm, integrating generative and traditional models into trading platforms using Python, TensorFlow/PyTorch, and cloud infrastructure.
Quantitative Developer
Quantitative developer on Cubist's systematic equity trading team in London, building components for live trading and research environments in Python on Linux, automating processes, handling data checks, and sharing responsibility for keeping trading systems running reliably. Fully office-based five days a week.
2027 Summer Internship – Software Engineer
A Summer 2027 software engineering internship at Point72's Cubist Systematic Strategies in New York. Interns build and maintain trading, research, and data-analysis applications for asset management, working with Python/Java/C++, Git/JIRA, and gaining exposure to AI, machine learning, big data, and cloud computing.
Senior Software Engineer, Database Integration & Observability
Senior engineer on MongoDB's Database Integration & Observability team, connecting MongoDB with ecosystem products (Search, Vector Search, Stream Processing, Data Federation), scaling Change Streams for real-time sync, and building diagnostics/metrics. Core services are modern C++, with JavaScript/Python tooling; role is US office-based or remote within the US.