Design, develop, and maintain backend services using Go
Contribute to development tasks using Python where required
Write clean, maintainable, and well-structured code following engineering best practices
Smart Working believes your job should feel right every day and connects skilled professionals with global teams for full-time, long-term roles. It's a high-rated workplace on Glassdoor that values integrity, excellence, and ambition.
Work on the core systems powering Synthesia’s script preview and voice generation experience.
Build and operate backend services that orchestrate multiple text-to-speech (TTS) providers.
Design and evolve systems that handle provider reliability, request routing, and output consistency.
Synthesia is the world’s leading AI video platform for business, used by over 90% of the Fortune 100. They develop products to enhance visual communication and enterprise skill development, helping people work better and stay at the center of successful organizations. Following their recent Series E funding round, Synthesia's valuation stands at $4 billion.
Work on end-to-end product features across the Avatars and Generative Media domain.
Design and deliver features that combine frontend, backend, and AI model capabilities.
Take ownership of features from idea through to production.
Synthesia is the world’s leading AI video platform for business, used by over 90% of the Fortune 100. Following their recent Series E funding round, they raised $200 million, and their valuation stands at $4 billion.
Write backend/full stack code as part of Patreon’s core product.
Design, build, and deploy user-facing systems such as multi-factor authentication flows, ID verification systems, and account takeover detections.
Champion innovative solutions that improve security and usability for creators and their fans.
Patreon is a media and community platform where creators give their fans access to exclusive content. They have generated billions for creators and continue to invest in building the best creator platform with the best team in the creator economy.
Shape and scale the core infrastructure behind GitLab CI, integrating AI into CI/CD workflows.
Design, build, and iterate on AI-assisted and agentic CI experiences, defining patterns for measuring success and instrumenting behavior in production.
Harden the CI pipeline execution infrastructure, addressing database access patterns, background processing, and job orchestration for enterprise-scale AI-driven automation.
GitLab is the intelligent orchestration platform for DevSecOps, enabling organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. With over 50 million registered users, GitLab fosters a high-performance culture driven by values and continuous knowledge exchange, empowering team members to reach their full potential while collaborating with industry leaders to solve complex problems.
Contribute to CareMessage's messaging platform, the core system that powers patient communication.
Build reliable, patient-centric communication infrastructure.
Advance health equity for low-income populations.
CareMessage is a technology non-profit building the largest patient engagement platform for low-income populations in the United States. Powered by the Health Equity Engine™, the platform enables organizations to combine messaging, data, and interoperability to increase access to care. The team leverages a nonprofit model to reinvest revenue into impact.
Design, develop, and maintain scalable backend services that support our applications and infrastructure.
Implement secure and efficient APIs to support frontend applications and third-party integrations.
Optimize system performance, reliability, and scalability through effective architecture and engineering best practices.
SavvyMoney is a US-based financial technology company providing integrated credit score and personal finance solutions to bank and credit union partners nationally, integrating with numerous digital banking platforms. They are recognized as a top workplace and one of the fastest-growing companies, valuing diversity and ensuring non-discrimination in employment.
Design, build, and maintain scalable backend services powering AI infrastructure and inference systems.
Develop and optimize distributed systems with a focus on performance, reliability, and low-latency execution.
Contribute to the evolution of platform architecture, ensuring scalability for growing workloads and enterprise use cases.
They are a company using an AI-powered matching process to quickly, objectively, and fairly review applications against a role's core requirements. They identify the top-fitting candidates, and this shortlist is then shared directly with the hiring company.
Build and maintain Zallet (our CLI wallet) and Zcash’s Rust-based core libraries
Implement protocol features based on existing specifications and guidance
Developing and maintaining specifications to enhance, document, and support security analysis of the Zcash protocol, either led by ZODL or in collaboration with third-party developers.
ZODL (Zcash Open Development Lab) is building the software necessary to onboard billions of users to Zcash. Created by the original inventors and developers of the Zcash protocol, we deliver world-class UX for ZEC on top of our core protocol work.
Architecture, backend Go development, and honing the integrity and performance of a PostgreSQL database.
Build performant, reliable backend systems, contribute to architectural discussions, and deliver features that matter.
Design and scale production-grade Go applications, building microservices and APIs, and tuning systems for high performance and reliability.
Flock is a safety technology platform that helps communities thrive by taking a proactive approach to crime prevention and security. They have nearly $700M in venture funding and a $7.5B valuation, scaling intentionally and seeking top talent.