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.
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!
Design, build, and maintain scalable full stack applications.
Collaborate with Product, Design, Commercial, and Analytics teams to deliver impactful features.
Develop and integrate AI-powered workflows and LLM-based solutions using modern generative AI tooling.
Smart Working believes your job should feel right every day. They connect skilled professionals with global teams for full-time, long-term remote roles and value employee growth and well-being. They are a highly-rated workplace on Glassdoor.
Build features, fix bugs, and gradually take on more ownership as you learn the product.
You'll work alongside senior engineers who'll help you grow, but we won't spoon-feed you either.
You'll use AI tools heavily in our workflow - you'll be expected to leverage them to move fast and learn faster.
Cello provides the Revenue Growth Infrastructure for modern digital businesses. They help teams acquire, retain, and monetize customers at scale by turning word-of-mouth into a systematic, measurable growth channel built for the AI era. They are a small team backed by $10.3M in funding from top-tier investors.
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 and develop enterprise-grade full-stack AI B2B SaaS web apps.
Work directly with users and prioritize their needs.
Take responsibility over significant portions of the product.
Clearly AI automates security and privacy reviews with AI. They help engineering teams ship faster by automating security and privacy reviews, and are a fast-growing YC startup with enterprise customers.
Lead and scale a high-performing engineering organization by building deep trust.
Engage deeply and credibly in system design and architecture discussions.
Pioneer the integration of AI and agentic capabilities into our software development lifecycle.
HopSkipDrive is creating opportunity for all through mobility. They are the leader in safe, fast, and simple supplemental student transportation through their marketplace, connecting kids to highly-vetted caregivers on wheels. Founded by three moms, they've now facilitated more than five million rides across over over 20 states and continue to grow rapidly.
Ship production-ready code across the full stack, from API and data layer to UI.
Collaborate on the upcoming migration from Ember to React.
Diagnose and fix scaling, performance, and reliability issues on our platforms.
Uplisting, established in the UK in 2017, provides a platform for hosts and operators to streamline operations and unlock growth. As of 2023, Uplisting joined the AirDNA community with a mission to empower the next generation of short-term rental creators.
Serve as technical owner for your area, setting architecture direction and maintaining quality standards.
Design, build, and ship features, writing code daily alongside the team.
Replace legacy code with modern solutions and optimize the overall stack.
One Kings Lane celebrates craftsmanship, design, and inspired living. They value employee voices and vision in marketing, tech, or logistics, and promote growth via flexibility, storytelling, and opportunity.
Partner with Product and Design to define, build, and evolve user experiences across the full stack.
Own and evolve both frontend and backend architecture to ensure scalability and performance.
Lead the design and implementation of complex frontend systems using React, TypeScript, and Next.js.
EarnIn builds products that deliver real-time financial flexibility. They are a fast-growing company with experienced leadership and world-class funding partners.
Lead by example: contribute high-quality code across backend and frontend systems
Shape architecture: design scalable services, APIs, and data models that support long-term growth
Mentor engineers: coach and support teammates through code reviews, design discussions, and problem-solving
WorkBoard’s Strategy Execution Platform powers the digital operating rhythm for companies around the globe, providing organization-wide clarity, alignment, and insights for growth. More than 15,000 people are certified in WorkBoard’s OKR coaching and Outcome Mindset Methodology™ which enables their organizations to quickly gain the agility OKRs can provide.
Work with product, design, and clinical staff to understand stakeholder needs.
Write and maintain well-tested code across multiple services.
Build foundational data models that afford flexibility and operational visibility
Included Health delivers integrated virtual care and navigation. They aim to raise the standard of healthcare for everyone and break down barriers to provide high-quality care for every person in every community. They use AI-assisted tools at select stages of the hiring process.
Design, build and ship well-tested features across our platform.
Collaborate closely with Product and Design to understand problems and requirements.
Incorporate AI tools and workflows into your day-to-day development practice.
Thirdfort is on a mission to protect society from fraud and money laundering, having already protected over 3 million people. They are FCA regulated and have raised over $33m in capital from leading Fintech investors.
Design, build, and maintain scalable backend services, APIs, and distributed systems using Python and cloud-native architectures.
Develop modern full-stack applications and internal platforms using React/Next.js and related frontend technologies.
Lead complex technical initiatives from architecture and design through implementation and deployment.
Impiricus is the first and only AI-powered HCP Engagement Engine that ethically connects HCPs to pharma resources, reduce go-to-market costs and accelerate patient access to the treatments they need. Deloitte named Impiricus the #1 fastest growing company in North America in 2025.
Build and ship applications that accelerate Vanta's GTM efforts, from AI-powered workflows to internal tools improving rep productivity and pipeline velocity.
Own the full product lifecycle, prototype, iterate, ship, and maintain solutions that solve real-world customer and internal workflow problems.
Partner closely with Sales, Technical Success, and Revenue Operations to identify high-leverage opportunities and build for user needs.
Vanta helps businesses earn and prove trust by providing continuous security monitoring and verification. They empower companies to practice better security with ease. Vanta has a kind and talented team, and many have been successful without prior security experience.
Design, code, test, and debug new software applications and enhance existing systems.
Collaborate with product managers, designers, and other engineers to define and ship new features.
Troubleshoot and resolve software defects and production issues, ensuring high-quality solutions.
Teal Health is dedicated to providing women with the tools, access, and resources needed for informed health decisions, beginning with cervical cancer screenings. The company has created the first FDA-authorized at-home cervical cancer screening, offering a comfortable and convenient alternative to in-office pap smears via its patented Teal Wand collection device and telehealth platform.
Own the technical vision and direction for your domain, ensuring the team builds scalable and maintainable solutions.
Diagnose and resolve complex technical bottlenecks to maintain the performance of SaaS applications.
Mentor junior and mid-level engineers to foster deeper technical skills and an ownership mindset.
Bloomerang provides a giving platform and support to help nonprofits raise and retain more. They foster a mission-driven culture built on the values of Simplify, Care, and Act and strive to empower nonprofits to achieve maximum impact.
Design, build, and operate cloud-native applications with an emphasis on reliability.
Embed automated testing, observability, and operational ownership into feature delivery.
Collaborate with product engineering teams to champion event-driven best practices.
Topstep provides training and insights to both new and experienced traders, facilitating payout requests. They foster a collaborative culture with open communication and offer various perks to support employee well-being and professional growth.
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.
Sensor Tower’s digital intelligence platform provides insight into market trends, advertising, competitor’s strategies, and consumer/user audience across mobile, web, and gaming. Their insights are trusted by more than 2,500 enterprises worldwide across various industries.
Design, code, test, and debug software applications in accordance with coding standards and best practices, ensuring optimal performance and security.
Collaborate with product managers and designers to translate business requirements into technical specifications and provide input on feasibility.
Identify and troubleshoot software defects and issues, employing analytical thinking and problem-solving skills to develop efficient and effective solutions.
EasyPost, founded in 2012, is a YC unicorn that simplifies shipping for businesses, from startups to Fortune 500 companies. They provide a developer-friendly REST API for shipping and continue to innovate in the shipping industry. The team is rapidly growing, fostering a culture of builders and problem-solvers who value elegant architecture and fast decisions.