Full Stack Engineer (Senior/Lead) ID38801

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards.

Overview

We are looking for a Senior Full Stack Engineer

to join a fast-growing health and wellness platform with millions of users worldwide. You’ll work in a cross-functional, agile team, building and improving features for both web and mobile applications. This role offers the opportunity to enhance performance, deliver seamless user experiences, and make a real impact on a product that helps people reach their wellness goals.

What you will do

Work independently and provide guidance to other team members;

Ensure smooth operation and performance of both web and mobile applications;

Identify, troubleshoot, and resolve bugs efficiently;

Design, develop, and implement new features across web and mobile platforms.

MUST HAVES

5+ years of experience building scalable systems;

Solid experience with ReactJS, NodeJS

for web, and React Native

for mobile development;

Proven ability to deliver solutions with high throughput and low latency requirements ;





Demonstrated experience designing and implementing complex business solutions ;

Ability to develop features independently without design guidance, taking ownership from concept to implementation;

Upper-Intermediate English level.

NICE TO HAVES

Experience in Startups;

Experience with Firebase Functions .

PERKS AND BENEFITS

Professional growth:

Accelerate your professional journey with mentorship, TechTalks, and personalized growth roadmaps.

Competitive compensation:

We match your ever-growing skills, talent, and contributions with competitive USD-based compensation and budgets for education, fitness, and team activities.

A selection of exciting projects:

Join projects with modern solutions development and top-tier clients that include Fortune 500 enterprises and leading product brands.

Flextime:

Tailor your schedule for an optimal work-life balance, with options for working from home or going to the office.

Details

Seniority level:

Mid-Senior level

Employment type:

Full-time

Industries:

IT Services and IT Consulting

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📌 Full Stack Engineer (Senior/Lead) (Barcelona)
🏢 AgileEngine
📍 Barcelona