Design, build and maintain internal tools, integrations and in product features that enable Sales, Marketing and Customer Success teams to operate efficiently and scale.
Partner closely with cross functional stakeholders to identify pain points, define requirements, and deliver high impact, user centric solutions.
Own projects end to end, from discovery and system design through implementation, testing, deployment and ongoing iteration.
Building foundational capabilities that power the product ecosystem.
Focusing on critical platform services like analytics and feature flagging.
Defining the approach to distributed platform services.
Calendly is a popular scheduling tool that millions of people rely on. It's a fantastic time to join Calendly with exciting product growth and a focus on learning, growth, and working alongside top professionals.
Working on features targeted at high impact enterprise customers.
Contributing to platform scaling initiatives.
Improving Engineering practices.
Calendly is a meeting scheduling platform that helps individuals and teams streamline their scheduling process. They are experiencing exciting product growth and are looking for people to learn, grow, and do their best work.
Own end-to-end features across the stack, with a strong emphasis on frontend: from collaborating on UX flows and designs, to building React/TypeScript UIs, to wiring those experiences into backend APIs and services.
Collaborate closely with Product, Design, and other engineers to break down problems, refine requirements, and ship incremental value behind feature flags and experiments.
Contribute to backend APIs and services : extend existing endpoints or services (e.g., in Node.js or Rails), design new data contracts, and ensure that backend changes are observable, well-tested, and resilient.
Calendly provides a platform for scheduling meetings. Millions of people rely on Calendly's products, and they are in the midst of their growth curve.
Build and operate data services driving our applications and APIs
Collaborate with team members and across Engineering to iteratively prototype and develop new functionality
Partner with product managers and other Zusers
Zus is a shared health data platform designed to accelerate healthcare data interoperability by providing easy-to-use patient data via API, embedded components, and direct EHR integrations. They aim to catalyze healthcare's greatest inventors by maximizing the value of patient insights.
Design, implement, and maintain scalable platform services and APIs.
Build and improve APIs and plugin frameworks enabling partner integrations.
Improve platform reliability, observability, and application performance.
HappyCo builds mobile and cloud solutions to enable real-time property data. Their flagship product suite 'Happy Property’ has more than 5 million units on its platform and they strive to build better communities with an inclusive, supportive culture where people can grow their careers.
Own and evolve the uptime monitoring platform to enhance customer capabilities.
Deploy a Clickhouse instance to capture check run logs and design APIs for reporting.
Collaborate with customers to resolve bugs affecting their infrastructure.
Jobgether is a platform posting jobs on behalf of partner companies. We use AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements.
Designing and building scalable backend services in Go, working with PostgreSQL and DynamoDB, implementing event-driven architectures with RabbitMQ, and owning production systems end-to-end
Building exceptional user experiences across our mobile app (Angular/Ionic), web app (React), and admin tools
Owning the full implementation of features, from database schema design and API development to implementing the corresponding UI changes, eliminating handoffs and shipping complete solutions
KOHO's mission is to make financial services better for every Canadian by offering transparent, user-friendly products. They foster a remote-first, high-trust environment that values work-life integration and bold thinking.
Develop a strong understanding of Workera's AI-powered platform, customers, and business model.
Actively lead and deliver your first full project, owning backend architecture, build, and rollout end-to-end.
Architect and own backend systems that are robust, performant, and built to scale.
Workera is redefining how enterprises understand, develop, and mobilize talent in the age of AI. The company is a fast-growing, Series B Silicon Valley company building AI-native skill assessments for the world’s largest organizations, with clients including Samsung, Siemens Energy, and the U.S. Air Force.
Building tools and applications to extends Calendly’s infrastructure platform
Evaluating and deploying cloud native open source tools
Exercising expertise in cloud infrastructure concepts and patterns
Calendly's product powers connections for millions through impactful innovation. They are in the midst of exciting growth and desire people that want to learn, grow, and do their best work.
Make GitLab easier to deploy and more secure by default.
Improve installation, upgrade, and day-to-day operations.
GitLab is the intelligent orchestration platform for DevSecOps. They enable organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. More than 50 million registered users trust them.
Build and iterate on Weaviate Cloud products and PLG levers.
Identify and resolve friction in the Weaviate Cloud user journey.
Partner cross-functionally with Product, Design, Growth, Web, and Documentation teams.
Weaviate is an AI startup focused on enabling machine learning to create meaningful insights from unstructured data through our AI-native vector database. We are named one of Forbes’ Top 50 AI startups and are experiencing rapid growth and popularity.
You will be responsible for owning and delivering quarterly goals for your team, leading engineers on your team through ambiguity to solve open-ended problems, and ensuring that everyone is supported throughout delivery.
You will support your peers and stakeholders in the product development lifecycle by collaborating with product management, design & analytics by participating in ideation, articulating technical constraints, and partnering on decisions that properly consider risks and trade-offs.
You will proactively identify project, process, technology or business issues, advocate for them, and lead in solving them.
Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. Zero To One (ZT1) is Affirm’s 0 -> 1 innovation lab, focused on turning bold ideas into validated new businesses. They operate outside the standard Product and Engineering structure and built for speed, autonomy, and decisive execution.
Be integral in defining team goals, ensuring proposed work aligns with objectives and driving prioritisation to best achieve them.
Design and implement complex technical solutions that align with strategy, influencing guidelines and standards across the wider engineering group.
Take responsibility for technical decisions within your team, demonstrating expertise across multiple technologies.
UW aims to take the headache out of utilities by providing them all in one place: One bill for energy, broadband, mobile and insurance. They're aiming to double in size as they help more people to stop wasting time and money by delivering through their tech teams.
Design, build, and maintain a unified Go-based instrumentation service.
Own the responsibility for handling the sending, transit, and quality of instrumentation data across the system.
Train and support product development teams across the company on how to instrument their features using the unified service.
GitLab is the intelligent orchestration platform for DevSecOps. They enable organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. They have 50 million registered users and embrace AI.
Drive improvements to Dagster’s backend system, underlying open source framework, and product UI.
Solve difficult technical problems throughout the software stack and work collaboratively with the rest of the team.
Instrument, monitor, debug, and optimize distributed systems from end to end.
Dagster Labs empowers organizations to build productive, scalable data platforms with tools like Dagster and Dagster+. They are a small, well-funded team that values collaboration, curiosity, and delivering meaningful software to shape the future of data and AI.
Design and build distributed systems in Go that help customers send timely, relevant messages at scale
Collaborate across teams to debug issues and deliver reliable solutions
Own problems end to end - from architecture and schema design to testing, deployment, and monitoring
Customer.io's platform is used by over 8,000 companies – from scrappy startups to global brands – to send billions of emails, push notifications, in-app messages, and SMS every day. Under the hood: Go, React, Ember and AI help them ship fast and scale with confidence.
Contribute to planning and implementation to enhance stability and reliability.
Apply software engineering and SRE principles to create tools and automation.
Continuously improve, evolve and innovate the observability of Commerce’s platform architecture.
Commerce empowers businesses to innovate, grow, and thrive with their open, AI-driven commerce ecosystem. Recognized as one of the Best Places to Work in Austin, San Francisco and Australia, we are a team of bold builders, sharp thinkers, and technical trailblazers.
Lead efforts to scale and improve our infrastructure.
Develop and support internal team tooling.
Troubleshoot, debug and resolve issues as part of a shared on-call rotation.
Lillio, formerly HiMama, empowers early childhood educators through innovative tools. They are a Series B, private-equity backed company recognized as an industry leader and selected in 2025 by Time Magazine as one of the world's top EdTech companies.
Design and build distributed systems in Go that help customers send timely, relevant messages at scale
Collaborate across teams to debug issues and deliver reliable solutions
Own problems end to end - from architecture and schema design to testing, deployment, and monitoring
Customer.io's platform is used by over 8,000 companies to send billions of messages daily, automating communication with real-time behavioral data. They value empathy, transparency, and responsibility, fostering an inclusive team culture and using their influence to increase inclusion and equity within the tech industry.
Design and implement core backend systems and integrations that power the product.
Design and build our data platform (orchestration, pipelines, developer workflows)
Create scalable systems for data ingestion, transformation, and access
Avantos is building the AI-native operating system for financial services, transforming fragmented data into a single, intelligent system. They power workflows, automation, and decision-making as a product-led, fast-moving team in AI, fintech, and infrastructure.