senior / semi-senior full-stack developer (react, next.js, node.js)

About Sidetool

At Sidetool, we’re passionate about automating everything. We help small and medium businesses build amazing products at a fraction of the cost of traditional agencies, using AI, no/low-code tools, and modern full-stack development. Our mission is to simplify complex operational challenges by integrating AI into our customers’ apps and workflows—securely connecting data, leveraging the best models, and delivering tailored solutions with immediate impact.

We move fast, ship fast, and expect our developers to do the same.

Tech Stack

• Frontend: JavaScript / TypeScript, React, Next.js
• Backend: Node.js, REST APIs, GraphQL
• Databases: PostgreSQL, MongoDB (or equivalent relational + NoSQL experience)
• Infrastructure & Tools: GitHub, Docker, CI/CD pipelines, cloud (GCP/AWS)
• AI Tools: AI coding assistant (Cursor, Copilot, etc.) is a must

Requirements

• 4+ years of professional software development experience (not self-taught only via short online bootcamps).
• Strong proficiency with JavaScript/TypeScript, React, Next.js, and Node.js.
• Solid understanding of relational databases (Postgres/MySQL) and experience with NoSQL systems.
• Experience with RESTful APIs and GraphQL.
• Comfort working with Git, CI/CD, and cloud environments (GCP or AWS).
• Proven track record of delivering production-ready applications in fast-paced environments.
• Ability to work independently, take ownership, and deliver with minimal supervision.
• Strong problem-solving skills and attention to detail.

We’re likely not a good fit if you

• Feel best around teams with a clear hierarchy.
• Need pixel-perfect documentation to start building
• Don't like figuring out puzzles on your own
• Find that teams work best when people stick to their job descriptions (“I probably shouldn’t do that, that’s not my job”).
• Feel that you’re at a skill level that you’re complacent with.
• Are any combination of ninja, rockstar, or guru.

Consider joining if you

• Value a teammate approach to company building.
• Enjoy working in flat-ish hierarchies.
• Think that there’s still a ton for you to learn.
• Believe in giving and receiving candid and transparent feedback.
• Are capable of having robust debates.
• Believe in being deliberate about how you spend time.
• Are high on self-awareness and introspectiveness.

Benefits

• Work wherever you want
• Everything you do or say matters
• Everything you do or say has a tangible impact
• Results are valued over egos in all interactions
• Three paid weeks of PTO (Sick days don't count as PTO)
• 13 paid holidays per year (We follow US holiday calendar)