About the role 💡

As a Senior NodeJS Backend Developer, you will spearhead server-side logic, database management, and ensure optimal performance and responsiveness to frontend requests and client-side agents. Collaborate closely with our DevOps team to scale our infrastructure and services globally within our platform.

Our Tech Stack:

Express - Node.js
MongoDB
Redis
Google Cloud Platform
Kubernetes
GitLab

What you'll do 💼

Develop robust backend services that integrate seamlessly with frontend functionality and client-side agents.
Engage and collaborate with stakeholders and the development team to capture requirements and design innovative features.
Optimise application services for speed, scalability, and stability.
Implement stringent security protocols, data protection measures, and efficient storage solutions.
Design and deploy data storage solutions and integrate and unit test application services for quality assurance.
Create reusable code and libraries.

What you'll need ✅

Proficient in English (Minimum B2, Ideal C1+).
5+ years of hands-on experience as a Backend Developer.
Proven track record in developing and consuming REST API Services, using SQL/NoSQL databases.
Expertise in writing clean, efficient code.
Understanding and application of testing methodologies like TDD and SOLID principles.
Proficiency in Docker containers, Kubernetes, Git version control, and CI/CD best practices.
Experience using data monitoring and analysis tools to optimize system performance.

Bonus Points 🦄

Knowledge of Mongo Atlas Search.
Experience using DDD and Clean architecture principles
Passion for audio, music, recording, or sound.

⚡ Don't meet 100% of the criteria? Research shows that women and underrepresented groups tend to apply only when they tick every box. We’d love to hear from you even if you match 75%—skills can be learned, diversity makes us stronger.

Hiring Process ⚙️

Our interview process takes place on Google Meet and tends to consist of the following stages:

1️⃣ Talent Acquisition Team: Initial conversation to validate details, and experience, and provide more information about Voicemod (45 min).
2️⃣ Hiring Manager: Discussion focusing on the job overview and a deeper dive into your professional experience (60 min).
3️⃣ Technical Challenge: Live coding session with our team to explore your technical skills further (up to 60 minutes).
4️⃣ Final Interview: A conversation centred on soft skills, ways of working within our team, and a thorough discussion of the completed technical challenge to assess the fit for the role (60 min).

If you want to have a look on how to get a successful job application, have a look here!

Important Information for Applicants ⚠️

English Proficiency: A minimum of B2 level in English is required for this position. We will assess your communication skills during the initial interview.
Video Interview Requirement: All candidates invited for an interview must join with their cameras on. We request no use of virtual backgrounds during the interview.
Location Accuracy: Please provide accurate information about the country from which you will work. We value transparency and will verify this information during the selection process.

Why You’ll Love Working at Voicemod ❤️

Flexible Working Hours ⏰ – Adapt your job to your lifestyle. You do you!
Remote Working 🌍 – Choose to work from home, our Valencia HQ, or the coworking space in Barcelona.
23 vacation days 🌴 – Plus an extra week off in August and your birthday..
Anniversary Celebration Program 🎉 – Unlock extra days off, volunteering days, or time to enjoy unique experiences as you reach work milestones.
Generous Referral Program 💼 – Earn rewards for helping us find and hire amazing talent.
Extra time off on demand ⏳ – For those tough moments when you need a break.
Wellbeing 🏥 – Paid sick leave, maternity/paternity leave, and healthcare insurance (for employees based in Spain).
Remote Stipend 💸 – To cover remote working costs.
Free English or Spanish lessons 📚 – From beginner to advanced levels.

Want to know more about us? 🔎

If you haven't used Voicemod yet, you can download it here!

Senior Backend Engineer