Collaborate across the full development lifecycle from definition to maintenance.
Work closely with UX, Product, and Data Science teams in planning, demos, and retrospectives.
Contribute to knowledge sharing, mentorship, and iterative delivery of high-quality code.
SimSpace provides an AI Proving Ground for organizations to train, test, and outmaneuver adversaries through realistic cyber simulations. Founded in 2015 by experts from U.S. Cyber Command and MIT Lincoln Laboratory, the company fosters a human-centered culture with continuous learning and growth.
Design and operate Kubernetes-based deployment automation for the simulated service catalog.
Build and maintain content seeding pipelines and own the external DNS layer.
Collaborate with the identity team and contribute to the service API layer.
SimSpace provides a realistic cyber simulation platform for training, testing, and validation. Founded in 2015 by experts from U.S. Cyber Command and MIT Lincoln Laboratory, they foster a culture of continuous learning and professional growth.
Design, develop, and maintain core services for cybersecurity range simulation with a focus on scalability and fault tolerance.
Lead end-to-end technical projects from requirements to deployment and mentor engineers in best practices.
Collaborate cross-functionally with Product Managers and UX Designers to deliver user-centered solutions.
SimSpace provides a cyber range platform for organizations to train, test, and validate defenses against adversaries in realistic, live-fire simulations. Founded in 2015 by experts from U.S. Cyber Command and MIT Lincoln Laboratory, the company fosters a culture of continuous learning, internal mobility, and professional growth.
Own core compute infrastructure across multiple cloud providers and regions.
Design capabilities for greater performance and flexibility in service deployment.
Investigate and resolve challenging cloud and compute issues across the stack.
Render is a cloud platform for developers building AI-native, full-stack, multi-service applications. Trusted by over 6 million developers, the company has raised $257M in funding and values craft, velocity, and user experience.
Build and maintain a highly available, reliable, and low-latency backend developer platform at internet scale.
Drive storage as a service strategy and create the technical foundation for future features.
Contribute to the entire development cycle from design to launch, and mentor engineers on best practices.
Reddit is a community of communities, built on shared interests, passion, and trust, hosting the most open and authentic conversations on the internet. With 100,000+ active communities and approximately 126 million daily active unique visitors, it is one of the internet's largest sources of information, fostering a collaborative and innovative culture.
Design, code, test, and debug software applications with attention to performance, scalability, and security.
Collaborate with cross-functional teams to translate business requirements into technical specifications and architectural designs.
Participate in code reviews, troubleshoot issues, and maintain comprehensive technical documentation.
EasyPost is a YC unicorn that makes shipping simple for businesses through a developer-friendly REST API. The company is rapidly growing, with a culture of builders and problem-solvers who value elegant architecture and fast decisions.
Build and scale the systems and services that form the foundation of Alpaca's global payments and treasury platform.
Operate in an industry where money movement is critical, using modern, event-driven, and highly scalable architectures.
Collaborate with a distributed team to design and implement solutions with autonomy, focusing on quality and resilience.
Alpaca is a US-headquartered self-clearing broker-dealer and brokerage infrastructure for stocks, ETFs, options, crypto, fixed income, and more. Our global team of 380+ members values curiosity, empathy, and accountability.
Design and build shared persistence and storage abstraction layers for a large-scale cloud platform.
Develop event-driven pipelines and database tooling to standardize data storage and access.
Optimize system performance, data integrity, and platform efficiency at scale.
Jobgether is an AI-powered job matching platform that connects candidates with hiring companies. They process applications fairly using technology and support a remote-first work environment.
Design and build core platform infrastructure for large-scale cloud-native data and analytics systems.
Own and improve CI/CD pipelines, testing frameworks, and deployment in a high-scale PaaS environment.
Contribute to reliability engineering, observability, and operational excellence across distributed systems.
Jobgether uses an AI-powered matching process to connect candidates with roles. The company is a growing platform focused on efficient job matching and data privacy compliance.
Design and evolve mission-critical APIs for a modern developer platform.
Build secure, scalable backend services using TypeScript, Node.js, and modern frameworks.
Collaborate with engineers across teams to deliver reliable systems that improve developer experience.
Jobgether is a platform that uses AI-powered matching to connect candidates with job opportunities. They focus on efficient, objective hiring processes and are part of a network of partner companies.
Design and implement AI inference and training cloud products optimized for Kubernetes, including autoscaling and distributed jobs across GPU fleets.
Write clean, efficient Go code for Kubernetes controllers, operators, and custom resources supporting AI workloads.
Build APIs, CLIs, and developer tools to simplify deployment, lifecycle management, and monitoring of AI applications.
Gcore is a global provider of infrastructure and software solutions for AI, cloud, network, and security, powering digital experiences worldwide. With 550+ professionals and 210+ edge locations, the company collaborates with partners like Intel, NVIDIA, and Equinix to build the foundation for an AI-driven world.
Build and scale high-throughput ingestion and trace-query systems for LangSmith, a purpose-built observability platform.
Set API, SDK, and CLI standards across Python, TypeScript, Go, and Java for consistent developer experiences.
Own integrations with AI frameworks and tools, ensuring LangSmith remains framework-agnostic and easy to adopt.
LangChain builds the foundation for agent engineering, helping developers go from prototypes to production-ready AI agents with platforms like LangSmith and open-source frameworks. With $125M raised from top VCs and 100M+ monthly open source downloads, the team is small but impactful, shaping how AI agents operate in the real world.
Design, code, test, and debug scalable software applications and APIs following best practices.
Collaborate with cross-functional teams to translate business requirements into technical solutions.
Participate in code reviews, guide AI tooling practices, and maintain technical documentation.
EasyPost provides a developer-friendly REST API for shipping, making shipping simple for businesses from startups to Fortune 500. Founded in 2012 as a YC unicorn, EasyPost is a hyper-growth company with a scrappy, fast-moving culture where builders and problem-solvers thrive.
As a Staff Backend Engineer, you will shape the future of large-scale software delivery and deployment for self-managed environments.
You will design reliable backend systems, automation frameworks, and Kubernetes-based solutions to improve operational resilience.
Collaborate with engineering, reliability, security, and product teams to define scalable solutions and technical strategies.
GitLab is a leading DevOps platform providing a complete CI/CD and software development lifecycle tool. The company is open-core with a strong remote culture and globally distributed teams.
Design, implement, and operate core services that power Docker’s Cloud Sandboxes platform.
Build scalable systems for microVM orchestration, workload scheduling, and lifecycle management.
Ensure system reliability, observability, and performance across Docker’s Cloud Sandbox infrastructure.
Docker is a globally distributed, remote-first company that builds tools for developers to build, share, and run applications. Trusted by over 20 million monthly users and 20 billion container image pulls, it has a collaborative culture focused on innovation and reliability.
Design, build, and maintain scalable backend systems, APIs, and distributed services supporting growth initiatives.
Own complex projects from design to deployment, ensuring high quality, scalability, and operational excellence.
Collaborate with product, data, and engineering teams to translate business goals into robust technical solutions.
Our partner is a technology company that builds a backend platform powering user acquisition, engagement, and lifecycle growth. They foster a remote-first culture and prioritize engineering excellence, collaboration, and ownership.
Build and operate large-scale cloud infrastructure for product metrics and real-time analytics.
Design, develop, and improve fault-tolerant distributed systems processing trillions of events.
Collaborate cross-functionally, perform code reviews, and participate in on-call rotation.
Jobgether uses AI-powered matching to connect candidates with hiring companies. They process applications quickly and share shortlists directly with employers, operating as a job platform seeking to streamline recruitment.
Build Go backend services that broker wallet creation, authentication, and signing at scale.
Own key recovery and the committee trust model using distributed key generation and secret sharing.
Operate production services on Kubernetes with observability, alerting, and compliance controls.
Offchain is a blockchain scalability and security company that built the Arbitrum stack, powering the most widely adopted Ethereum scaling solution. Backed by $124 million in funding, the team is a small, high-ownership group of thinkers and doers tackling real-world challenges in decentralized systems.
Set technical direction for the Athena clearing house, making architectural calls on data validation pipelines and workflow orchestration.
Scale the team and product area, driving transition from rapid prototyping to sustainable, production-grade product stack.
Lead design of systems processing unstructured vulnerability reports, deduplicating findings, and surfacing clean signals to remediation teams.
Chainguard secures the open source software supply chain, delivering hardened, production-ready builds of open source software. They are venture-backed by leading investors and serve Fortune 500 enterprises and global industry leaders.
Perform operational deployments, implementations, and maintenance for production systems.
Implement and maintain monitoring, reporting, and alerting systems for Core Speech products.
Be part of an on-call rotation and work collaboratively to improve system performance and architecture.
Solventum is a new healthcare company with a long legacy of solving big challenges to improve lives and enable healthcare professionals to perform at their best. They are a large company that values empathy, insight, and clinical intelligence, collaborating with top minds in healthcare.