Participate in the full development life cycle, including design, implementation, quality polish, and release.
Leverage your strengths and interests to work on full feature implementation from brainstorming the architecture design, all the way to delivery.
Optimise endpoints that touch billions of rows in the database, by applying profiling to ruby code and understanding crucial performance details of ClickHouse queries.
Wynd builds infrastructure that delivers massive amounts of web data to the companies training the world’s most powerful AI models. They are a lean, technical team that moves fast and expands what’s possible for open web data and AI.
Design and implement Sokuvo's API layer: REST endpoints, latency optimization, versioning contracts.
Own third-party integrations: GitHub, Jira , Slack, Confluence, Cursor , Google Drive.
Build and maintain the backend services supporting Sokuvo's delivery stations.
Arionkoder is a leading Product Development, Artificial Intelligence, and Team Augmentation studio that crafts better futures for humanity. They rely on cutting-edge technology to create impressive digital products and solutions that widen your global reach. They have been dreamers and still are.
Design, improve, and debug complex, scalable distributed systems
Find solutions to optimize bottle-necks and general system wide performance
Write extensible scalable and test-driven code, and take responsibility and ownership of projects from start to finish
StackAdapt empowers marketers to reach, engage, and convert audiences with precision. They are a leading technology company with an AI-powered platform that connects brand and performance marketing. StackAdapt has a diverse and flexible culture with dedicated career paths.
Design, develop, deploy and maintain new and existing applications.
Co-own our services architecture, resilience, scalability and robustness.
Grow on technical leadership & mentorship of other engineers.
Qonto provides a finance workspace with banking at its core, augmented by financial tools, creating freedom for SMEs to succeed. Founded in 2017, Qonto has over 1,600 employees and serves over 600,000 customers across 8 European countries with a customer satisfaction-focused culture.
Building high quality and fault tolerant products along with an inclusive team environment
Able to pitch in at a code level, whether it’s code reviews, executing tickets to keep the team on track, or taking ownership of critical customer data issues
Work with cross-functional partners in product, design, research, business development, operations, and go to market teams to build secure, compliant, and seamless onboarding and lifecycle experiences for companies and workers
Wrapbook's mission is to increase the prosperity of the project economy, providing a vertical fintech platform that enables companies to seamlessly onboard, pay, and insure their workforces. They operate in a 50B market and have raised over 30M from Andreessen Horowitz, Equal Ventures, and others.
Build and own scalable SaaS applications end-to-end — frontend, backend, and data layers.
Write production-grade code that is reliable, readable, efficient, and testable.
Drive system availability and performance — investigate, analyze, and resolve reliability issues across the stack.
Firstup's mission is to improve the employee experience. They serve 40 of the Fortune 100 companies, reaching and connecting more than 17 million employees daily, with employees who are experts in the employee experience, workforce communications and technology.
Design, develop, and maintain scalable web applications and APIs using Ruby on Rails
Move fluently between Rails and other frameworks/languages depending on the client engagement
Architect and implement service-oriented and microservices-based solutions
NextLink Labs helps companies build, scale, and secure their software applications and organizations. As a remote-first company, they work to ensure a comfortable and collaborative work environment.
Research opportunities and run experiments to ensure Fleetio users are primed for long-term success.
Build systems to provide customized onboarding for users during their trial period.
Improve feature areas around various app modules to increase usage and reduce churn.
Fleetio is a modern software platform that helps thousands of organizations worldwide manage their fleet operations. They raised $450M in their Series D funding round in March of 2025 and are on an exciting trajectory as a company.
Lead architecture, system design and engineering efforts for high-scale, data-intensive B2B systems.
Design and implement batch and real-time processing architectures that are reliable, observable, and performant.
Mentor and coach engineers at all levels, and actively contribute to Omada’s engineering community.
Omada Health is a digital care provider that empowers people to achieve their health goals through sustainable behavioral change. They have served more than two million members and strive to build an inclusive culture where differences are celebrated.
Define and evolve the target architecture for FuzeRx’s core B2B and consumer platforms, driving the technical roadmap to modernize legacy systems.
Lead design and implementation of complex initiatives like high-volume API integrations, pharmacy fulfillment logistics, and distributed data consistency.
Serve as a mentor to engineers, elevate engineering culture through design reviews and pairing sessions, and establish coding, testing, CI/CD, and security standards.
LetsGetChecked is a global healthcare solutions company that provides tools for at-home health management through testing, virtual care, genetics, and medication delivery. Co-headquartered in Dublin and Atlanta and founded in 2015, it operates an end-to-end model encompassing manufacturing, logistics, lab analysis, physician support, and prescription fulfillment.
Break down larger projects into individual tasks and deliver them in multiple phases.
Collaborate with product management, design & analytics by participating in ideation.
Contribute to a sense of community on your team by engaging in growth and development activities.
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. Affirm is a remote-first company.
Design, build, and maintain backend services that power core business workflows
Own projects end-to-end, from early design through production and iteration
Design APIs and data models that are clear, stable, and easy to work with
Short Story is an award-winning, technology-powered retailer dedicated to petite women 5'4" and under. As a fast-growing startup, they're revolutionizing retail with a data-driven learning system that leverages customer feedback to create tailored products.
Figure out what to reuse from existing infrastructure vs. what needs to be built from scratch for a new market
Make architectural decisions that are based on good judgement and experimentation
Clipboard's mission is to uplift as many communities as possible through their app-based marketplace that connects healthcare professionals with workplaces. Founded in 2016, they are a remote-first team of over 1,000 people, a top Y-Combinator company, and have been profitable since 2022.
You will design, build, and iterate on AI-powered product experiences across Fleetio’s Rails and React application.
You will partner closely with Product, Design, Data, Customer Success, and other engineers to identify customer problems where AI can meaningfully improve the workflow.
You will create high-quality front-end experiences using Fleetio’s current React, TypeScript, Vite, Storybook, Tailwind, and component patterns.
Fleetio is a modern software platform that helps thousands of organizations worldwide manage their fleet operations. They are on an exciting trajectory as a company after raising $450M in their Series D funding round in March of 2025 and are a proud founding member of the Rails Foundation!
Break down larger projects into individual tasks and collaborate with others to ensure timely delivery.
Collaborate with product management, design & analytics by participating in ideation.
Support the operations and availability of your team’s artifacts by creating and monitoring metrics.
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. They are a remote-first company that values its employees through benefits and creating an inclusive environment.
Ship reliable, secure improvements that meaningfully reduce friction for church staff.
Deliver new features, refine existing ones, improve performance, and maintain the security of customer data.
Investigate customer-reported bugs and diagnose errors that come in through our error monitoring tools.
Planning Center provides tools that help churches build stronger, more connected communities. They are an independent, profitable company that focuses on building products thoughtfully, caring for their team, and making decisions for the long term.
Build and maintain backend services and full-stack features
Develop scalable APIs and systems handling high-volume traffic
Improve system performance, reliability, and security
Lavendo partners with startups and high‑growth companies to help them hire top‑tier sales, go‑to-market, and technical talent. At Lavendo, they partner with clients who care about building high‑performing, inclusive teams, and they hold themselves to the same standard.
Drive major technical initiatives from design through production, improving scalability, reliability, and correctness across critical systems.
Design and evolve backend services, APIs, event-driven workflows, and data models that support complex business processes at scale.
Improve the operational foundations of the platform through better observability, testing, deployment safety, and incident reduction.
Tem is rebuilding the energy transaction, making it transparent and fair. They aim to put power back in the hands of customers and tackle the critical problem of access to low-cost electricity, leveraging AI-driven infrastructure for efficient and sustainable energy markets.
Enable systematic exploration and materially improve exploration success rates.
Build data pipelines and tooling for deriving advanced human and machine insights from exploration data.
Develop expertise in KoBold’s Data Systems and deeply understanding how they impact exploration.
KoBold builds AI models for mineral exploration and deploys those models to guide decisions in exploration programs. In the six years since founding, KoBold has become the largest independent mineral exploration company and the largest exploration technology developer.