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Role overview
Published via Mainder
We are looking for a Senior Backend Engineer to join a fast-growing, mobile-first product company building AI-powered solutions for small businesses.
In this role, you will work closely with the CTO to design, build, and scale backend systems and AI capabilities that power mobile applications used daily by thousands of businesses. You’ll play a key role in shaping the technical foundations of the platform, contributing to architecture decisions, infrastructure, and data-driven features.
This is an opportunity for someone who enjoys working in a product-driven environment, combining strong backend engineering with real business impact, and helping build systems that scale to millions of users.
Design, build, and maintain scalable and reliable backend systems
Collaborate with mobile engineers to support existing and new applications
Contribute to system design, architecture, and infrastructure planning
Work with cloud services (AWS, Supabase, Cloudflare) to build and operate backend systems
Develop internal tools, libraries, and components to improve development efficiency
Monitor and optimize system performance, scalability, and reliability
Contribute to CI/CD processes and data workflows
Participate in technical discussions and help shape product and engineering decisions
Experience
6+ years of experience building high-performance backend systems
Experience working in product-focused companies
Proven track record building scalable systems used in production
Technical Skills
Strong backend development experience with Kotlin, Java, Go, or Python
Experience with database design, optimization, and management
Solid understanding of system design and architecture patterns
Experience working with cloud platforms (AWS or similar)
Experience with monitoring and observability tools (Datadog, New Relic, or similar)
AI & Data
Experience working with AI/ML models in production environments
Understanding of data tracking, performance metrics, and user behavior analysis
Mindset & Collaboration
Strong product mindset, focused on user value and business impact
Ability to work autonomously and take ownership
Comfortable working in fast-paced, ambiguous environments
Strong communication skills in English
Competitive salary (USD or local equivalent) + equity package
Flexible work environment with remote-first culture
International team retreats twice a year
Travel opportunities to global hubs for onboarding and collaboration
Equipment and setup of your choice
Private health insurance coverage (LATAM/US)
Opportunity to work in a high-impact, fast-scaling product environment
Fast-growing, product-driven technology company building mobile-first, AI-powered solutions for small businesses. Its mission is to create tools that feel as intuitive as consumer apps while delivering powerful capabilities that help businesses operate and grow more efficiently.
With a globally distributed team and strong backing from top-tier investors, the company focuses on building scalable products with real-world impact, combining cutting-edge AI with exceptional user experience.