Senior Full-Stack Software Engineer (Frontend-Oriented)

Overview

Senior Full-Stack Software Engineer (Frontend-Oriented)

We are looking for a passionate full-stack developer with a strong focus on frontend development to join our team. The ideal candidate has solid experience building web applications end to end, with proven expertise in modern frontend frameworks, component architecture, and delivering polished user interfaces. Experience with backend development is also important, but frontend excellence is key.

You will work closely with our Product and Tech teams to develop new features and improve existing products, contributing across the stack while taking ownership of the frontend quality and experience.

Although flexible hours and remote work are offered, this position is primarily remote with our offices located in Madrid. You will be expected to attend in-person meetings at least once every two months.

Key Responsibilities

Design, develop, and maintain scalable frontend features and user interfaces using modern frameworks and tools.

Contribute to backend development as needed, ensuring integration with frontend components and overall system performance.

Analyze product requirements, provide technical feedback, and estimate implementation efforts.

Advocate for and maintain frontend best practices, including component reusability, accessibility, performance, and clean architecture.

Coordinate and manage deployments across different environments, ensuring stability and traceability.

Write and maintain end-to-end tests, as well as unit / integration tests for both frontend and backend code.

Collaborate closely with the tech team to plan and execute new features, technical improvements, and refactoring.

Document key technical decisions and implementations for internal use and team knowledge sharing.

The Skillset

5+ years of experience in software development, preferably in full-stack roles, with a strong focus on frontend development.

At least 3 years of experience with React in production environments.

Experience with Node.js for backend development.

Experience working with NoSQL databases, particularly MongoDB.

Familiarity with cloud platforms like AWS or Azure is a plus.

Experience integrating third-party APIs and building end-to-end features.

Comfortable with tools such as Git (GitHub) and project / task management platforms like Jira.

Ability to communicate effectively in English, including participating in meetings and discussions; fluent English-Spanish communication is a plus.

Soft-skills

Strong problem-solving mindset with the ability to analyze and resolve complex issues effectively.

Proactive and self-driven, taking ownership of tasks and anticipating challenges.

High attention to detail combined with strong analytical skills to ensure quality and accuracy.

Ability to balance technical solutions with the business needs and priorities.

Excellent organizational skills, capable of managing multiple tasks and deadlines efficiently.

Initiative-taking attitude with a focus on delivering results through effective communication and collaboration.

Passionate about continuous learning and helping team members grow.

Maintains a positive and constructive attitude in challenging situations.

Why Influencity?

At Influencity, you’ll be part of a fast-growing company where learning and professional development are part of our culture.

Work in a rapidly expanding company with exciting challenges.

Flexible hours & remote work in a results-oriented environment.

Extra time off : December 24th & 31st, plus your birthday!

High-trust work culture with autonomy and ownership in your role.

Career development opportunities : Performance reviews twice a year.

Young, dynamic team with a "let’s make it happen" mentality.

Competitive salary based on skills and experience.

Employee benefits package (transport, training, meals, gym membership discounts, childcare and more).

Medical & dental insurance.

About Us

Founded in 2014, Influencity (Influencity.com) is the most complete AI-powered influencer marketing platform in the market. With over 70M influencers in our database, we provide brands and agencies with a full stack of solutions to manage campaigns at scale.

Our mission is to become the global leader in influencer marketing. To achieve this, we need an exceptional team that thrives on growth, collaboration, and innovation. At Influencity, we believe in supporting each other, overcoming challenges together, and continuously improving—both individually and as a team.

How to Apply?

Send us your Resume / CV to and respond to these 2 questions in your email :

Why do you want to work at Influencity?

Why do you think that we should hire you?

Note : Applications that don’t follow this process will be automatically rejected.

We look forward to meeting you!

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Engineering and Information Technology

Industries : Advertising Services

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