Senior Software Engineer — Full-Stack SaaS, AI & Platform Engineering

Owlsln; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

Owlsln is seeking a Senior Software Engineer to own complex full-stack SaaS, AI, and platform initiatives. You will combine hands-on development with architectural leadership to deliver scalable solutions. You will design backend services in Go, build frontend with React and TypeScript, and shape APIs, data models, and distributed systems.

You will guide deployment, observability, and production support. Collaborate with product, design, and engineering teams to translate requirements into

Qualifications

• 5+ years of professional software engineering experience.
• Experience with React and TypeScript for frontend.
• Proven API and distributed systems design.
• Strong data modeling, databases, and SOA knowledge.
• Experience in architecture, scalability, reliability, and performance optimization.
• Production ownership and observability expertise.
• Experience leading technical initiatives and code reviews.

Responsibilities

• Design and develop scalable SaaS applications and platform services.
• Own full development lifecycle from design to production support.
• Collaborate with product and design to translate requirements into scalable solutions.
• Mentor engineers and contribute to engineering standards and reviews.
• Drive CI/CD, deployment tooling, and observability to production.
• Collaborate with stakeholders to ensure alignment on architectural decisions.

Skills

React

TypeScript

APIs

Distributed systems

Data modeling

System architecture

Observability

DevOps

Leadership

Problem solving

Tools

Go

CI/CD

Cloud platforms

Job description

We'relooking for a Senior Software Engineer to take ownership of complex full-stack SaaS, AI, and platform engineering initiatives. The ideal candidate will combine strong hands-on development skills with architectural thinking and technical leadership.

Key Responsibilities

• Design and develop scalable, customer-facing SaaS applications and platform services.
• Build high-quality backend systems using Go and modern frontend experiences using React and TypeScript.
• Own the complete development lifecycle, from technical design and implementation through deployment and production support.
• Design scalable APIs, data models, service integrations, and distributed systems.
• Contribute to CI/CD, deployment, release tooling, AI-agent experiences, monetization, and foundational platform capabilities.
• Drive architectural decisions and identify opportunities to improve scalability, reliability, and performance.
• Establish and improve observability, monitoring, logging, alerting, and production reliability.
• Troubleshoot complex production issues and take ownership of solutions through resolution.
• Mentor engineers and contribute to engineering best practices, code reviews, and technical standards.
• Collaborate closely with product, design, and engineering stakeholders to translate business requirements into scalable technical solutions.

Required Skills

• 5+ years of professional software engineering experience with strong production experience.
• Strong experience with React and TypeScript.
• Proven experience designing and building APIs and distributed systems.
• Strong understanding of data modeling, databases, and service-oriented architectures.
• Experience with system architecture, scalability, reliability, and performance optimization.
• Strong knowledge of observability and production ownership.
• Experience leading technical initiatives and making sound architectural decisions.
• Strong debugging, problem-solving, and communication skills.
• Experience with SaaS, cloud platforms, CI/CD, DevOps, or AI-powered products.

Preferred Experience

• Experience building AI/AI-agent powered product capabilities.
• Experience with CI/CD or developer tooling platforms.
• Experience working with large-scale distributed systems.
• Familiarity with cloud-native architectures and modern DevOps practices.
• Experience mentoring engineers and driving technical projects from concept to production.