Design and build scalable backend services and APIs for LaunchDarkly's Experimentation product.
Own backend components from discovery through monitoring and continuous improvement.
Collaborate with cross-functional teams to translate customer needs into reliable technical solutions.
LaunchDarkly is a feature management platform that helps developers release software faster and safer. The company fosters a collaborative, respectful, and inclusive culture with a focus on team empowerment.
Design, build, and maintain highly reliable backend services and distributed systems for RapidFort's security platform.
Build systems for processing and analyzing large volumes of security, vulnerability, container, and runtime data.
Solve complex problems involving concurrency, performance, scalability, and distributed processing across Linux, Kubernetes, and cloud environments.
RapidFort is a cybersecurity company focused on securing and optimizing modern software supply chains and cloud-native environments. The company works with enterprise and U.S. public-sector customers in security-sensitive environments, fostering a culture of technical ownership and collaboration.
Design and build sandboxed evaluation environments for AI models to safely execute code and interact with tools.
Build backend services and infrastructure supporting large-scale AI and agentic evaluations.
Develop agent scaffolding, evaluation harnesses, and systems for provisioning isolated environments using Docker, Kubernetes, and cloud infrastructure.
10a Labs is the safety and threat-intelligence layer trusted by frontier AI labs, AI unicorns, Fortune 10 companies, and leading global technology platforms. The company focuses on adversarial red teaming and model evaluations to help teams deploy AI systems safely.
Design, build, and operate high-load distributed backend services powering the company's ML infrastructure.
Take end-to-end ownership of core ML services and data pipelines from design to deployment and continuous improvement.
Partner with ML and product teams to understand their needs and turn them into reliable, reusable platform capabilities.
Constructor is an AI-first e-commerce search and discovery platform that helps shoppers find products and enables brands to drive revenue. The company is fully remote, diverse, and values ownership and collaboration.
Design, build, and maintain scalable distributed backend systems powering platform and product capabilities.
Own backend services end-to-end, from architecture to monitoring, while collaborating with product and engineering peers.
Build and evolve Web3 platform backend components, including protocol integrations and blockchain network support.
Zerion builds backend systems for Web3 infrastructure, powering API and wallet products trusted by 50+ top crypto brands. They have a fully remote team with strong ownership and high code quality, processing over 3.1B requests and supporting 1.7M+ active funded wallets.
Design, build, and maintain core AI capabilities that power intelligent experiences across the platform.
Develop reusable capabilities for model integration, reasoning, and evaluation.
Optimize AI systems through experimentation, quantitative evaluation, and iterative refinement.
Legion embeds intelligence inside complex systems, unlocking data and accelerating human workflows for government and enterprise. They collaborate with world-class partners like Palantir and Nvidia, building intelligent infrastructure with a team of bold thinkers.
Design and build production AI agent systems that diagnose, investigate, and remediate infrastructure issues across one of the world’s largest GPU fleets.
Build the distributed services, orchestration framework, knowledge graph, and retrieval systems that power infrastructure agents.
Own services end to end, including architecture, implementation, testing, deployment, observability, and production operations.
Together AI is a research-driven artificial intelligence company that builds open and transparent AI systems. The company has contributed to leading open-source research like FlashAttention and RedPajama, and aims to lower the cost of modern AI through co-designed software, hardware, algorithms, and models.
Build AI-based features into a platform serving millions of users, working directly with the platform architect.
Stand up core AI infrastructure, including LLM serving, retrieval-augmented generation, and evaluation systems.
Shape engineering practices and own services end to end, from schema to deploy to on-call.
TMTG is a social media company dedicated to providing users an engaging and censorship-free experience. It is the fastest-growing social media platform in the country, championing free speech and serving millions of users in a fast-paced, rapidly growing environment.
Design, build, and operate the distributed systems that deliver feature-flag configuration to LaunchDarkly SDKs.
Own and improve the reliability, latency, and scalability of our streaming and polling infrastructure.
Debug and resolve complex production issues while sharing the team's on-call rotation.
LaunchDarkly builds a feature management platform that enables safe and gradual software releases. The company is growing and fosters a humble, open, collaborative culture.
Design and develop foundational components and frameworks for our Agentic AI platform.
Collaborate with cross-functional teams to create platform solutions that empower developers.
Provide production support and ensure platform stability, working closely with ML engineers.
Legion builds secure, reliable AI systems that integrate with complex platforms, optimizing workflows and enhancing human capability. They work with partners like Palantir, Nvidia, HPE, and Oracle, and are looking for bold thinkers to shape the future of grounded AI.
Design and develop scalable backend services (Python, FastAPI) powering the AI platform.
Build and optimize RAG pipelines, AI agent systems, and orchestration of LLM models in production.
Manage cloud infrastructure (AWS/Azure) including multi-tenant isolation and serverless functions.
A dynamic startup building a modern B2B AI platform powered by autonomous agents. The company focuses on eliminating tedious analytics for enterprise teams through flexible architecture and advanced workflows.
Deliver on business-critical outcomes by owning backend and data services end-to-end, from design to production operation.
Design, build, and operate scalable data pipelines and streaming ingestion for high-volume security telemetry.
Contribute to data modeling and warehouse/lakehouse architecture decisions that serve detection, analytics, and product features.
Blackpoint Cyber is the leading provider of world-class cybersecurity threat hunting, detection and remediation technology. Founded by former National Security Agency (NSA) cyber operations experts, the company is in hyper-growth mode, fueled by a recent $190m series C round.
Lead and grow a team of backend/platform engineers building systems that power core products.
Drive execution across planning, prioritization, and delivery with a focus on reliability and scalability.
Own the technical direction of backend services and APIs, ensuring systems are secure, performant, and maintainable.
SentiLink provides innovative identity and risk solutions for institutions and individuals. We are a rapidly growing company backed by top investors, with offices across the US and India, and a culture of collaboration and ownership.
Design, build, and enhance the infrastructure powering a large-scale real-time data ingestion platform.
Scale backend services to support increasing data volumes while maintaining high availability and performance.
Automate infrastructure provisioning and deployment pipelines using Infrastructure as Code.
Our partner builds a high-performance real-time data platform operating at petabyte scale. They are a remote-first organization with a collaborative engineering culture.
Develop and evaluate AI training data for LLM and AI agent platforms.
Create coding tasks and write reference-quality solutions for evaluation.
Critically assess AI-generated code for correctness, security, and maintainability.
Toloka is a leading expert human data platform for AI agents and LLMs, providing high-quality training data. The company focuses on improving AI models through human feedback and structured evaluation.
Design, build, and maintain secure, scalable backend services, databases, and APIs that support our products.
Lead technical direction, design discussions, and coordinate delivery across multiple systems.
Collaborate with Product, Operations, and other engineering teams to deliver reliable software.
Tucows Domains is the world's largest wholesale domain registrar, responsible for maintaining the health, neutrality, and openness of the domain name system (DNS). As part of Tucows, one of the world's largest Internet companies, they have over 1,000 employees from over 20 countries and embrace a people-first, remote-first culture.
Design, build, and maintain agent infrastructure and platforms, including the TRACE Graph, embeddings, and semantic search.
Collaborate with detection engineers and threat hunters to encode domain expertise into agents.
Build automated evaluations and benchmarks for non-deterministic agentic systems.
Nebulock is an agentic threat hunting platform that autonomously surfaces behaviors, not just IOCs, from various data sources. As a startup, we emphasize collaboration, low ego, and a relentless focus on delivering customer value.
Build and operate high-throughput production services for AI agent orchestration and real-time data pipelines.
Design and scale core platform services across the Superhuman product suite.
Collaborate with ML/AI, Product, and Front-End engineers to ship AI-powered features end to end.
Superhuman is the AI productivity platform on a mission to unlock the superhuman potential in everyone. Founded in 2009, Superhuman empowers over 40 million people, 50,000 organizations, and 3,000 educational institutions worldwide.