Full-time, remote | Long-term collaboration | Start: ASAP
Time zone overlap: 9:00 – 15:00 EST

About the project:
We’re building — a scalable, developer-friendly messaging platform covering email, SMS, and RCS; The domain is messaging infrastructure, with a focus on deliverability, speed, and API quality.

Team structure:
You’ll work directly with the Product Manager;
You won’t mentor anyone at first, but we expect you to bring leadership energy and technical ownership;
You’ll collaborate closely with Product, DevOps, and Customer Success.

Your responsibilities will include:

• Architecting and implementing backend systems using Python and/or Go;
•  Building and maintaining high-volume integrations with messaging protocols (SMTP, SMPP, Twilio, Mailgun, RCS APIs);
• Driving backend scalability, API consistency, and messaging reliability;
• Leading technical decisions, participating in code reviews, and setting engineering standards;
• Taking full ownership in a fast-paced, product-driven environment;
• Collaborating cross-functionally with non-engineering stakeholders;
• Being proactive in communication and team planning.

What we expect from you:

• 5+ years of experience in backend development (Python and/or Go);
• Strong expertise in messaging technologies: SMTP, SMPP, Mailgun, Twilio, RCS APIs or similar;
• Solid understanding of REST API design, distributed systems, and scalable microservices;
• Hands-on experience with cloud platforms: AWS, GCP or Azure;
• Proficiency with Docker and Kubernetes;
• Strong communication skills and ability to influence product decisions;
• Ownership mindset — you know how to lead even without direct reports.

Bonus points if you have:

• Experience with A2P messaging, carrier compliance, or deliverability challenges;
• Familiarity with real-time systems (WebSockets, push notifications);
• Background in startups or technical leadership roles;
• Contributions to open-source or developer communities.

What we offer:

• Competitive salary and equity;

• Fully remote work with flexible hours;

• High level of autonomy and ownership;

• A fast-moving, transparent team culture;

• Learning & development budget.