Deeto is transforming how B2B companies grow by turning their customers into their most powerful growth engine. Our AI‑powered voice of customer (VoC) platform makes it effortless for companies to capture, organize, and activate authentic customer voices—delivering the right proof points at the right moment to accelerate deals and build trust at scale.Backed by leading investors including Jump Capital and UpWest, we've raised $17M to date and are scaling rapidly across North America and Europe. We're building the future where customer voice is as core to go‑to‑market as your product itself.

About Role Deeto is seeking an excellent and experienced Full Stack engineer to join the team and help build new and exciting products.

We leverage modern cloud technologies, AI, and integrations with various platforms to create a seamless and scalable application. We are looking for a highly skilled

R&D; Developer to join our team and drive the development of advanced software solutions.

Responsibilities

Architect, deploy, and manage serverless applications using

AWS Serverless (Lambda, API Gateway)

and

CloudFormation .

Configure and optimize

CloudFront with

Lambda@Edge for integral content delivery, including multi‑subdomain and wildcard implementations.

Design and maintain

AWS RDS (PostgreSQL)

instances with multi‑schema and multi‑region setups for high availability.

Implement security best practices using

AWS Secrets Manager ,

CloudWatch for monitoring, and

AWS WAF/Cloudflare for threat mitigation.

Third‑Party Integrations

Develop and maintain integrations with





Salesforce ,

HubSpot ,

Zoom ,

Google APIs (Calendar, reCAPTCHA, Gmail) ,

Twilio (SMS) , and

SendGrid (DKIM, email delivery) .

Embed analytics dashboards using

QuickSight and ensure seamless data workflows.

Full‑Stack Development

Build responsive front‑end interfaces with

React .

Develop scalable back‑end services using

Node.js .

Manage CI/CD pipelines via

GitHub (PRs, Actions) .

Implement

OpenAI APIs and optimize LLM interactions through prompt engineering.

Explore translation methodologies

(e.g., localization frameworks or NLP‑based solutions).

Work cross‑functionally with product, security, and DevOps teams to ensure code quality, scalability, and compliance.

Document architectures, troubleshoot issues, and stay updated on emerging technologies.

Requirements Required Qualifications

3+ years of hands‑on experience with

AWS

(Serverless, CloudFront, RDS, Secrets Manager, WAF).

Proficiency in

React and

Node.js

Strong background in API integrations (e.g., Salesforce, HubSpot, Zoom, Google).

Experience with PostgreSQL, multi‑region databases, and security protocols (DKIM, Secrets Manager).

Familiarity with

Twilio ,

SendGrid , and monitoring tools like

CloudWatch .

Preferred Qualifications (Huge Advantage)

Advanced expertise in

Salesforce or

HubSpot app development.

Experience with translation/i18n frameworks or NLP.

Knowledge of

OpenAI/Large Language Models (LLMs)

and prompt engineering.

Familiarity with

QuickSight embedded analytics.

Proficiency in

GitHub Actions .

📌 Full Stack Engineer (Madrid)
🏢 Deeto
📍 Madrid