Flexidao

Senior Backend / TypeScript Developer (Insights & BI)

Join Flexidao in Barcelona as a Senior Backend Developer focusing on TypeScript and BI. This role involves building scalable data pipelines and implementing complex sustainability logic. Enjoy a flexible hybrid setup, birthday off, and a vibrant cleantech startup culture.
Flexidao
Flexidao
Barcelona, Spain Hybrid Full time UTC+01:00

Flexidao

Company Overview

Flexidao

Barcelona, Spain

2017

Business Model

Energy Technology

Flexidao specializes in providing digital solutions for energy management, focusing on renewable energy and sustainability.

Revenue is generated through software solutions, consulting services, and partnerships with energy providers.

Locations & Geography

Flexidao operates primarily in Spain, France, Germany, the Netherlands, and the United Kingdom.

Company Culture

Their mission is to empower businesses to manage their energy consumption sustainably and transparently.

Flexidao promotes a collaborative and innovative work environment, encouraging employees to contribute ideas and solutions.

They offer various training programs and workshops to support employee growth and skill enhancement.

Activities & Projects

Flexidao is currently involved in projects aimed at enhancing energy transparency and optimizing renewable energy usage for businesses.

They have developed a platform that allows companies to track and manage their renewable energy consumption in real-time.

Flexidao is committed to sustainability by promoting the use of renewable energy and reducing carbon footprints.

Career Opportunities

Typical job openings at Flexidao include software developers, energy consultants, and project managers.

They offer competitive salaries, flexible working hours, and opportunities for professional development.

Contact Information

LinkedIn

Careers at Flexidao


Last updated on Feb 12, 2026 | Report an issue

Job Description

As a developer on our Insights & Business Intelligence team, you will be the bridge between complex sustainability methodologies and scalable technical solutions. You will handle heavy business logic and calculations, turning raw energy data into actionable intelligence for global enterprises.

Your Challenge

Your primary responsibilities will include:

  • Implementing Complex Business Logic: Translating sustainability methodologies, carbon accounting standards, and PPA calculations into strict, type-safe TypeScript code.
  • Building Intelligence Pipelines: Architecting and maintaining data workflows, utilizing PostgreSQL and Redis Streams, to process large volumes of energy data and deliver accurate analytics to our clients.
  • Designing Scalable Solutions: Analyzing use cases to propose, design, and deploy robust microservices within our GCP/GKE environment.
  • Code Quality & Optimization: Continually reviewing and optimizing our existing codebase to ensure our reporting and calculation engines remain fast, reliable, and cost-effective.
  • Client-Centric Problem Solving: Understanding the reporting and intelligence needs of our enterprise clients to propose technical solutions that perfectly balance quality and system performance.

Must-haves

We are looking for a fluent, responsible, and independent programmer who thrives in a collaborative environment. The ideal candidate is:

  • Experienced: You have a proven track record working on similar data-heavy projects or with similar technologies.
  • Versatile & Open-Minded: While TypeScript is our core, you are open to using other languages and tools (like Go, Python, or Bash) when they are the best fit for the job.
  • System-Savvy: You feel completely at home working in a Linux environment and navigating a terminal.
  • Adaptable: You are comfortable diving into and reading other people's code.
  • A Great Communicator: You are transparent, ask questions when things are unclear, and possess the humility to ask for help when needed.
  • Very fluent in English
  • Local: You are located in or around Barcelona and are able to commute to our office.

Your Benefits

  • Multicultural & friendly cleantech startup environment
  • Birthday off - enjoy your special day!
  • Hybrid & flexible work setup
  • Free coffee, tea, snacks & fresh organic fruit in the office
  • Company-sponsored team events twice a year, plus fun after-work activities
  • Save money with Cobee on meals, transport, and more
  • Referral bonus program - help us grow the team and get rewarded

Diversity & Inclusion

In Flexidao we embrace diversity by having and promoting an inclusive and diverse environment. Therefore, we are committed to equal opportunity employment regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender, or gender identity or expression.

Recruitment Process

  • Google Meet interview with our Insights Team Lead
  • Google Meet interview with our CTO

We don't offer just a "job". It's about building cool stuff that matters, together with a great team.

Apply now

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About the role

April 5, 2026

Full time

Company

April 5, 2026

Hybrid

Smart Grid

Flexidao

flexidao.com

  •  Barcelona, Spain

Experienced

UTC+01:00