Build and operate Python/Django services for repairs, payments, messaging, notifications, and fraud prevention.
Work in cross-functional product teams using AI-assisted, spec-driven development from design through delivery.
Ensure reliability and data integrity through automated testing, observability, security, and incident response.
Plentific is a property technology platform for housing providers, local authorities, and contractors in the UK and Germany. We are a growing London-headquartered team working across Europe to expand the platform and integrate AI.
Design and build new features for the Django backend that powers the consumer dashboard and B2B platform.
Improve performance and reliability of Celery and RabbitMQ pipelines and integrate third-party services like Stripe and WorkOS SSO.
Own features end-to-end, including production debugging and code review with a small backend team.
Optery helps people get their personal data off broker sites. It's a fully remote, small startup headquartered in the San Francisco Bay Area, where engineers work directly with the founders.
Design and build scalable backend systems, APIs, and data models that power communications, experimentation, and personalization.
Partner with Product, Data Science, and Experience teams to define and execute strategies for customer acquisition and engagement.
Mentor and support junior engineers, contributing to a culture of learning, collaboration, and technical excellence.
Affirm is a financial technology company that provides point-of-sale installment loans to consumers, allowing them to pay over time with no hidden fees. The company is remote-first and values transparency, care, and flexibility, with a strong emphasis on employee well-being and professional growth.
Design, implement, test, and operate production services and APIs.
Lead projects or meaningful components of projects from problem definition through deployment and iteration.
Improve the observability and operability of the systems you own, including metrics, logs, traces, alerting, and incident learnings.
LaunchDarkly provides a platform that helps engineering teams release software and AI with speed, safety, and control using feature flags and observability. The company is growing and emphasizes teamwork, humility, openness, curiosity, and inclusive collaboration.
Design and ship moderate to complex backend features for a global platform with minimal guidance.
Define backend standards for style, maintainability, testing, APIs, and operational readiness.
Mentor engineers, diagnose performance issues, and integrate agentic AI into production workflows.
GitLab is an intelligent orchestration platform for DevSecOps, helping organizations ship better, more secure software faster. With over 50 million registered users and trust from half the Fortune 100, GitLab has a remote-first, high-performance culture driven by shared values and AI adoption.
Design and operate complex agent orchestration systems for connectivity and payments initiatives.
Take ownership of critical product areas using AI tools as a force multiplier.
Collaborate with Product, Design, and Engineering to build scalable backend systems in Elixir.
Peek is an AI-powered platform that powers the experiences industry, from museums to tours, with over $7B in bookings. They are a remote-first global team recognized as a best place to work, emphasizing customer obsession and collaboration.
Own features end-to-end: prototype, architect, build, test, deploy, and support production services.
Build and scale backend services and APIs in Python powering Monte Carlo's agent trust platform.
Design distributed systems and data pipelines while shipping React frontends where needed.
Monte Carlo is the agent trust platform that unifies data and agent observability to monitor, troubleshoot, and improve production AI systems. Founded in 2019 and backed by leading investors, the company is remote-first and recognized as a best workplace.
Design and maintain data pipelines that ingest and serve data across Techstars systems.
Own Kubernetes-based infrastructure, deployment tooling, and cluster health.
Maintain PostgreSQL database layer and support Salesforce data flows.
Techstars is a global investment firm that backs ambitious founders with capital, mentorship, and the connections they need to grow. The company has operated since 2006 and offers a collaborative, inclusive environment.
Build scalable, high-load systems in Python and work with big data processing 200–400M+ records per day.
Design and develop integrations with external channels behind a unified data model and API.
Ensure data quality and consistency across channels through validation, reconciliation, and monitoring.
SplitMetrics is a global software company providing a growth engine for mobile-first businesses through its ecosystem of products and services, including Apple Ads optimization and A/B testing. With over 11 years of experience and a remote-first culture, the company collaborates across 20+ countries and values transparency, speed, and continuous learning.
Take deep ownership of systems and product areas, becoming the go-to technical expert for what you own.
Architect, build, and maintain highly available, scalable REST APIs and backend services across distributed systems.
Build agentically with AI coding tools, staying at the forefront of emerging AI tooling and practices.
Postscript is an AI messaging platform for Shopify brands, helping e-commerce marketers drive revenue through SMS marketing and AI features. Backed by Greylock and Y Combinator, the company has been fully remote since 2018 and serves 20,000+ Shopify brands with a culture of ownership and AI-first development.
Architect and implement production-grade integrations and distributed data systems for enterprise customers using Python, SQL, and modern API development.
Transform legacy ETL/ELT workflows into modern, autonomous data pipelines across AWS, Azure, or GCP and Kubernetes.
Integrate AI APIs like OpenAI and Anthropic, and deliver solutions from kickoff to production within an 8-12 week Accelerator window.
Matillion is the company behind Maia, an AI Data Automation platform used by Cisco, DocuSign, and Slack. They started in Manchester and now have global teams across the UK, US, and India, with a driven, curious, and energetic culture.
Design and implement backend services for licensing, entitlements, feature access, and usage limits across NodeZero's product and APIs.
Build and evolve provisioning, admin experience, MSP/MSSP capabilities, and audit logging for a multi-tenant SaaS platform.
Operate production services with monitoring, incident response, and a high bar for design quality and test coverage.
Horizon3 is a fast-growing, remote cybersecurity company that helps organizations proactively find, fix, and verify exploitable attack vectors through its NodeZero autonomous pentesting platform. The team is a fusion of former special operations cyber operators and startup engineers, fostering a culture of respect, collaboration, ownership, and results.
Break down larger projects into individual tasks and deliver them in phases with support from your tech lead and manager.
Collaborate with product management, design, and analytics to make decisions that consider risks and trade-offs.
Support operations and availability of your team's artifacts by creating metrics and participating in on-call efforts.
Affirm is a financial technology company that provides transparent, flexible payment solutions. The company is remote-first and fosters a culture of care, transparency, and flexibility.
Take full ownership of backend features from design through production support.
Build and maintain integrations with KYC, geolocation, payment, and other external systems.
Implement observability, write tests, and support production with on-call rotations.
Fliff is a social gaming platform offering freemium sports, casino, and prediction games with real rewards. It is a multinational, close-knit team with offices across the US and Europe, focused on inclusion and innovation.
Work with technical leaders to design and implement forward-looking approaches for checkout systems.
Own components of checkout systems and define their long-term health.
Collaborate with engineers to build the next generation of the checkout platform.
Affirm provides a clear, predictable way to pay over time through buy now, pay later solutions. It is a remote-first company with a culture focused on honesty, trust, and customer-centric innovation.
Build powerful, user-friendly tools for enterprises to onboard, manage, and scale Hightouch deployments.
Architect scalable backend systems for roles, permissions, access control, and change management.
Help admins optimize warehouse performance and costs driven by Hightouch activity.
Hightouch is a data activation platform that lets enterprises sync data from their warehouses into business tools and manage customer data. The company is remote-first, works with large enterprise customers, and values impact, intellectual curiosity, and product-minded engineering.
Scrape various APIs on an industrial scale, handling terabytes of data daily.
Build backend services using Python, focusing on high-load, data-intensive systems and optimizing data pipelines.
Write and review code for quality, security, and best practices, implementing automated testing and CI/CD processes.
SplitMetrics is a global software company that provides a growth engine for top mobile-first businesses through an ecosystem of products and services, including platforms for Apple Ads and A/B testing. With over 11 years in the mobile marketing industry and a team across 20+ countries, they have a remote-first culture and have integrated AI since 2023.
Design, develop, and launch backend systems at scale using Python or Kotlin.
Collaborate with team and stakeholders to balance speed and quality while protecting system reliability.
Contribute to community through growth and development activities and navigate large codebases.
Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without hidden fees. They are a remote-first company that values transparency and employee well-being, offering competitive benefits and a collaborative culture.
Own products and systems end to end, from ambiguous customer problems through architecture, implementation, and launch.
Build reliable backend systems for real-time bidding, payments, vault workflows, and partner integrations.
Use AI deeply to prototype, build, and iterate, and own the quality of what ships.
Alt unlocks the value of alternative assets, starting with the $5B trading-card market, letting collectors buy, sell, vault, and finance their cards in one place. Backed by leaders from Stripe, Coinbase, and pro athletes, it's a remote-first startup focused on real-time pricing and AI-native workflows.
Build LLM-based agents on the platform's scaffolding, integrating tool calls, internal APIs, and guardrails.
Take agents to production on AWS with containers, CI/CD, secrets, permissions, and security controls.
Define and run evals, monitor with Langfuse, and document runbooks for independent operation.
Muttdata builds innovative Data Products and Machine Learning solutions to help companies solve complex business challenges. It is a fast-growing, remote-first startup that values collaboration, continuous learning, and a positive, ownership-driven culture.