Senior Full-Stack Engineer – Full Remote, must be European Time Zone (up to GMT+3)

Overview

As the business progresses strongly towards a Series A and our client base rapidly increases as we go live to millions of end users, we are seeking a Senior Full-Stack Engineer with at least 6 years of experience to join our team. This role is ideal for someone with a strong technical background in TypeScript, Node.js, React, and AWS. You’ll be developing and maintaining scalable, high-performance applications, including robust APIs, which are central to our product.

You’ll collaborate closely with product, data, and other engineers to ensure we deliver high-quality software. This position offers the opportunity to take ownership of projects that are crucial to the company’s success and have a large impact on climate change.

The role is 100% remote but will require full time dedication and reporting into the head of the team based in Madrid – so working on European Time zone.

Responsibilities

  • Full-stack development: Architect, design, and develop scalable web applications and services using Node.jsReactTypeScript, and AWS.
  • API Development: Contribute to the design and maintenance of efficient and secure APIs that support our product offerings.
  • Leadership and mentoring: Provide technical leadership and mentorship to other developers, setting an example for code quality and best practices.
  • Architectural decisions: Take part in or lead discussions on major architectural decisions to ensure the scalability, performance, and security of our systems.
  • Collaboration: Work closely with cross-functional teams to align engineering efforts with business objectives and deliver impactful features.
  • CI/CD & Testing: Implement and maintain CI/CD pipelines and testing frameworks to ensure reliable, high-quality releases.
  • Cloud & Infrastructure: Optimize and maintain cloud-based infrastructure on AWS, ensuring smooth, scalable operations.
  • Continuous improvement: Foster a culture of learning and improvement within the team, encouraging the adoption of new tools and technologies where appropriate.

Required Qualifications

  • 6+ years of experience in software development, with a strong focus on full-stack engineering.
  • Proficiency in Node.js, React, TypeScript
  • Experience with AWS (We use services like Lambda, DynamoDB, API Gateway, SQS, S3…)
  • Experience designing and building scalable APIs.
  • Strong background in CI/CD pipelines and automated testing frameworks.
  • Solid understanding of modern development practices and methodologies (Agile, Scrum, etc.).
  • Demonstrated ability to take ownership of projects and lead technical decisions.
  • Experience working in fast-paced environments.
  • MUST be in GMT + 3 time zone – we will not accept any applicants from outside that time zone
  • Role will start Early December
  • Salary for this role is 6o – 8ok USD a year – please do not apply if your not comfortable with this salary scale. 

Nice to Have

  • Experience with serverless backends e.g AWS Lambda
  • Experience with Python and AWS Sagemaker
  • Degree in computer science or a related subject

Why Join Us?

This is a unique opportunity to be part of a fast-growing company where your work will directly contribute to scaling a product used by millions. If you are passionate about building cutting-edge technology, working on climate-positive solutions, and are ready to make a large impact, we’d love to hear from you!

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