Senior Software Engineer

Engineering Apply for this role From internal tools to company-wide workflows, Noloco turns your data into a custom, AI-powered app your team will love to use. We empower teams running complex operations to create custom portals, such as internal tools, client portals, and CRMs. Changing the way small and medium-sized businesses grow and work together. Backed by Y Combinator, Frontline and other top-class investors, Noloco is a fast-moving, remote-first company with a team spread across Ireland, Spain, and North America.

Our Mission

Our mission is to let businesses of all sizes build truly custom software, without writing code. As a Senior Full Stack Software Engineer, you’ll be a key driver of this mission, working across both the frontend and backend to deliver an exceptional product experience. You’ll shape our AI Co-Builder, APIs, workflow engine, data models, and user interfaces, ensuring performance, reliability, and beautiful UX for customers.

About Us

We pride ourselves on a culture of autonomy, speed, and craft. At Noloco, you’ll join a team that trusts each other to take ownership and execute. You’ll work closely with our founder and product designer and collaborate across product, growth, support, and engineering to ship meaningful improvements end-to-end, from design and implementation to measurement and iteration. This is a unique opportunity to own entire features in a fast-growing SaaS company and help shape the future of how software is made.

What You’ll Be Doing

Building end-to-end features across our stack: backend services, GraphQL APIs, and React-based UI
Advancing the capabilities of Nola, our AI Co-Builder, leveraging the latest improvements from frontier models
Designing and improving reusable React components and design systems that power Noloco’s app builder experience
Scaling our backend systems and APIs to handle growing customer demand
Collaborating with Product and Design to deliver intuitive, polished user experiences
Improving analytics, observability,... monitoring,... alerting across the stack
Driving technical discussions and mentoring other engineers to raise the bar

What You’ll Actually Be Doing

Adding new components or improving existing ones to the Noloco App Builder
Adding more tools/logic to our AI Co-Builder so users can interact with the Noloco platform through chat,... MCP
Extending our native data tables with new field types,... UX improvements,... performance enhancements
Building integrations with external data sources and APIs to open up new workflows
Extending Noloco's workflows... automate their tools
Owning full-stack performance: optimizing queries and frontend rendering
Monitoring... end-user experience from first click to final API call

We'd Love to Hear From You If You Have:

Significant experience (4+ years) working as a full stack engineer on complex web applications
Strong JavaScript/TypeScript skills across Node.js and React.js
Experience designing clean,... APIs (GraphQL experience a plus)
Experience building... AI powered agents,... workflows... user-experiences
Solid understanding of frontend performance,... state management,... design systems
A product mindset — you care about user experience,... shipping code only
Comfortable working without PM overhead; you want to help shape problem,... implement spec only
Experience at startup or company with genuinely high engineering bar

Our Tech

Backend: Node.js (TypeScript), Postgres,... MongoDB,... Redis
Frontend: React.js,... Tailwind,... ShadCN UI
Models: A mix of OpenAI... Anthropic models
APIs: Internal Node GraphQL & REST APIs,... dynamic GraphQL APIs
Infrastructure: AWS ECS,... Lambdas,... monitored with Grafana & Sentry
Tools: GitHub,... Linear,... Slack

Harnesses: Mostly use Claude Code but encourage best setup for you

What we offer

Interesting... challenging work
Work-life balance
Competitive salary... equity
Employee-friendly equity terms (extended exercise)
Work remotely,... hybrid or in-office,
Health Insurance & Wellness allowance
Regular team events... off-sites
5 weeks paid vacation
Any Equipment needed for home or office work

Where You’ll Work

Remote from Dublin 🇮🇪 or hybrid from Barcelona 🇪🇸. We’re remote-first but meet regularly in person including annual offsite. Building engineering team across Barcelona & Ireland open to either location.