Optimize and analyze performance of the core ClickHouse database across query optimization, caching, and low-level SIMD.
Build and maintain performance tests using real-world and synthetic datasets to prevent regressions.
Collaborate with support, core teams, and the open-source community on advanced performance issues and code reviews.
ClickHouse develops the fastest and most resource-efficient open-source database for real-time analytics, with over 49,000 GitHub stars. As a remote-first, globally distributed team of engineers, we value flexibility, collaboration, and a high-ownership startup culture.
Design, build, and operate AI agents across the testing lifecycle, including test design, generation, maintenance, execution, and failure triage.
Own test infrastructure, environments, tool interfaces, guardrails, runtime management, and cost controls.
Drive adoption of quality engineering tools and practices across teams.
Quality Austria Security & IT specializes in next-generation quality engineering through AI-powered testing and intelligent automation. Their culture emphasizes autonomy, collaboration, experimentation, and engineering quality in a fully remote, global engineering environment.
Own features end-to-end: prototype, architect, build, test, deploy, and support production services.
Build and scale backend services and APIs in Python powering Monte Carlo's agent trust platform.
Design distributed systems and data pipelines while shipping React frontends where needed.
Monte Carlo is the agent trust platform that unifies data and agent observability to monitor, troubleshoot, and improve production AI systems. Founded in 2019 and backed by leading investors, the company is remote-first and recognized as a best workplace.
Build full-stack tools for reviewing tasks, inspecting agent trajectories, and checking graders.
Create dashboards and metrics to surface quality trends, failure modes, and review health.
Work with QNI and research engineers to scale quality workflows into reliable production products.
HUD builds infrastructure to create RL training data and evals for frontier AI agents, as well as a marketplace to sell these to frontier labs. The team is ~25 people, mostly full-time in-person but some remote, with backing from top VCs and YC W25.
Architect and build robust, scalable, and highly available distributed infrastructure.
Build a cutting-edge cloud-native platform on public cloud and automate resource management.
Improve reliability, security, and cost efficiency of cloud services.
ClickHouse builds a real-time analytics database platform and manages ClickHouse Cloud data plane end-to-end with compute, networking, and security. As a rapidly scaling global startup, the company operates across 25+ countries and fosters a flexible, remote-friendly culture with equity and healthcare benefits.
Build and improve game UI and UX with a focus on clarity, polish, and fun
Contribute to new game modes, features, and gameplay experiences
Turn product ideas into working features used by real players
Colonist builds the biggest digital board game platform on the internet, with over 3.6 million yearly active players. The team is fully remote and asynchronous, valuing outcomes over hours, dependability, and continuous learning.
Build, update, and maintain responsive websites using Zoho Sites, WordPress, or similar low-code platforms.
Configure CRM lead-capture workflows, connect forms and systems via APIs and webhooks.
Support setup and testing of AI assistants and automations, documenting changes and issues.
A-XVL is hiring a remote junior developer to support an Australian growth agency that connects websites, marketing, CRM, and AI automation for SMBs. The developer works directly with the business owner in a close-knit, feedback-driven remote team.
Lead end-to-end data migrations from legacy systems into a modern cloud-native SaaS platform.
Build and automate reusable migration tooling, data pipelines, and validation processes.
Transition into full-stack feature development and platform operations with an AI-assisted engineering workflow.
They build retail banking SaaS products on a modern cloud-native architecture, helping customers migrate from legacy systems. The engineering team is small, fast-paced, and embraces AI-assisted development to streamline workflows.
Lead technical design and execution of major products and engineering initiatives end-to-end.
Stay hands-on coding, reviewing, debugging, and solving production issues daily.
Mentor engineers, set high engineering bar, and drive architecture decisions.
BJAK is a mobile-first insurance platform that makes insurance accessible online and is expanding into spending, saving, investing, and more across Southeast Asia. With over 20 nationalities working from offices and remotely, the team is mission-driven and focused on building next-generation financial products.