Senior Software Engineer

Kubbly • Brooklyn, NY

11d • Hybrid

About The Position

At Kubbly, we are changing the way businesses engage with customers through messaging apps by using AI agents. We are looking for a Senior Software Engineer to help scale our platform that enables businesses to deploy their messaging AI agents. This role offers the opportunity to shape the growth of a proven product in its early stages, working closely with the founding team. The company has experienced founders, strong backing, and a culture that values technical discussions and ownership. As a Senior Software Engineer, you will be responsible for building the systems and tools that will drive the future of business-consumer engagement, working alongside the founding team to drive the product roadmap, develop new features, and scale the platform. You will be product- and customer-obsessed, evaluating your own hypotheses and making a significant difference.

Requirements

• 3+ years of experience in Software Engineering or DevOps supporting software development environments.
• Strong programming skills (Python, Rust, Java, React, Golang, TypeScript, Node.js or other scripting languages).
• Experience designing and operating scalable production systems, with strong fundamentals in system design, performance, and fault tolerance.
• Strong understanding of testing, observability, and security best practices for backend services and production infrastructure.
• Proficiency in cloud platforms (AWS preferred - EC2, S3, Lambda, RDS, ECR, ECS/EKS), including building and maintaining containerized applications (e.g., Docker, Kubernetes).
• Deep understanding of REST principles and experience working with backend APIs and services.
• Experience with relational databases (PostgreSQL, MySQL, etc.) and solid understanding of data normalization principles.
• Expertise in CI/CD best practices and tools (GitHub Actions, Jenkins, CircleCI, etc.)
• Experience using GenAI work boosting tools in your day-to-day job (ChatGPT, Claude, Gemini, etc).
• Strong skills in shell scripting (bash, zsh) and terminal multiplexers (tmux).
• Stubbornness on the vision, flexibility on the details.
• Flexible and curious to learn about new things constantly.
• Perfectly fine to bury the hatchet for efforts that don’t lead to PMF and view this is as a learning opportunity.
• Customer Obsession: listen to our customers’ pains and work backwards to create awesome solutions.
• Desire to work (mostly in person), next to CTO, CEO and being involved with engineering decisions.
• Exceptional collaboration, and communication skills that foster a high-performing team environment.

Nice To Haves

• Experience in early-stage or high-growth tech environments.
• Familiarity building and managing data and process pipelines using Airflow or other workflow orchestration tools.
• Experience with infrastructure as code (IaC) tools (Pulumi, Terraform, etc.).
• Experience with event-driven architectures and asynchronous processing (queues, pub/sub, background jobs).
• Experience building B2B SaaS integrations or customer communication platforms (email, SMS, WhatsApp, CRM/e-commerce tooling).

Responsibilities

• Lead the conception, development and scaling of tools and features that will be used from business to monitor and drive customer engagement.
• Own the architecture, reliability, observability, and scalability of core product systems in production.
• Design, build and expand our proprietary database that powers our AI engines providing customer insights.
• Build and maintain integrations with external APIs, messaging channels, and internal services that power customer engagement workflows.
• Implement and optimize robust CI/CD pipelines to facilitate reliable, frequent software deployments.
• Raise the standard for code quality (best practices in software development, code reviews, testing, etc) and help us shape our engineering culture.
• Collaborate closely with the team to streamline workflows and reduce friction in the development lifecycle.
• Maintain clear, comprehensive documentation for all release processes and infrastructure systems.

Benefits

• Competitive salary and generous equity
• 14 paid company holidays
• Unlimited paid time off
• Significant coverage of medical, dental, and vision insurance
• Contribution towards medical, dental, and vision insurance for dependents
• Generous 401(k) company match
• Home office set-up
• Gym membership
• All the cold brew when the machine is not broken and every type of coffee possible

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed