Senior NodeJS Backend Developer

Voicemod Sociedad Limitada

Job Overview

Location

🇪🇸 Spain

Job Type

Full-time

Full Job Description

📋 Description

• Join Voicemod as a Senior NodeJS Backend Developer and play a pivotal role in shaping the future of digital self-expression. Our mission is to empower individuals to supercharge their voice across all communication platforms, fostering a sense of belonging and enabling unparalleled creativity. You will be instrumental in developing the robust server-side architecture that powers our innovative audio tools, including voice changers, soundboards, and real-time effects, used by millions of gamers, streamers, and content creators worldwide to enhance their online interactions and inject playfulness into their digital lives.
• As a Senior NodeJS Backend Developer, your day-to-day responsibilities will be multifaceted and critical to our platform's success. You will spearhead the development of sophisticated backend services, ensuring they integrate seamlessly with our dynamic frontend functionalities and client-side agents. This involves writing clean, efficient, and maintainable code that forms the backbone of our user-facing features. A significant part of your role will be collaborating closely with product managers, designers, and fellow engineers to capture detailed requirements, brainstorm innovative solutions, and translate complex ideas into tangible features. You will be tasked with optimizing application services for peak performance, focusing on speed, scalability, and unwavering stability to handle our rapidly growing user base. This includes meticulous attention to detail in implementing stringent security protocols, robust data protection measures, and designing efficient data storage solutions that safeguard user information and maintain system integrity. Furthermore, you will be responsible for designing and deploying scalable data storage solutions, leveraging both SQL and NoSQL databases to meet diverse data needs. A crucial aspect of your work will involve integrating and executing comprehensive unit and end-to-end tests to guarantee the highest quality assurance for all application services, ensuring reliability and minimizing bugs. You will also contribute to building a library of reusable code and components, promoting best practices and accelerating future development efforts across the team.
• You will be joining a passionate and growing team of over 90 individuals who are dedicated to pushing the boundaries of audio technology. Whether working remotely from anywhere in Spain, from our vibrant Valencia HQ, or our coworking space in Barcelona, you'll be part of a collaborative environment that values innovation, creativity, and a shared love for making digital spaces more expressive and playful. Our company culture is built on strong values: 'Be Brave' to drive progress, 'Show Ownership and Accountability' as impact begins with taking charge, 'Embrace Passion at Play' because passion fuels success, and 'Grow Together' to achieve more collectively. You'll work closely with a talented group of engineers, including a dedicated DevOps team, with whom you will collaborate to scale our infrastructure and services globally, ensuring Voicemod remains a leading platform in the digital audio space.
• This role offers a unique opportunity for professional growth and development. You will gain invaluable experience in architecting and scaling complex backend systems within a fast-paced, high-growth tech company. You'll have the chance to deepen your expertise in our modern tech stack, including Express, Node.js, MongoDB, Redis, Google Cloud Platform, Kubernetes, and GitLab. By working on cutting-edge audio technology, you'll contribute to products that are actively used and loved by millions, providing immediate impact and tangible results. You will have the opportunity to learn and apply advanced software development principles, such as TDD, SOLID, DDD, and Clean Architecture, further honing your skills as a senior developer. The collaborative environment and emphasis on continuous learning mean you'll be constantly exposed to new challenges and opportunities to expand your technical and professional capabilities, making this a rewarding career step for ambitious backend developers.
• The Senior NodeJS Backend Developer role is central to Voicemod's mission of enabling users to supercharge their voice and express themselves digitally. You will be responsible for the core server-side logic, ensuring that our applications are performant, scalable, and secure. This involves developing and maintaining robust backend services that power our suite of audio tools, which are used by millions of users globally. Your work will directly impact the user experience, ensuring seamless integration between our frontend applications and the powerful audio processing capabilities on the backend. You will collaborate with cross-functional teams, including product, design, and DevOps, to translate user needs and business requirements into technical solutions. A key focus will be on optimizing application performance, ensuring speed, stability, and scalability to accommodate our growing user base and increasing demand for our services. This includes implementing efficient data storage solutions, robust security measures, and comprehensive testing strategies to maintain the highest standards of quality and reliability. You will also contribute to the continuous improvement of our development processes and infrastructure, working with technologies like Kubernetes and Google Cloud Platform to ensure our services can scale globally. The opportunity to work with a passionate team on cutting-edge audio technology, coupled with a commitment to professional development and a supportive work environment, makes this a compelling role for experienced backend developers looking to make a significant impact.
• In this role, you will be at the forefront of developing and refining the server-side architecture that underpins Voicemod's innovative audio solutions. Your primary focus will be on building and maintaining high-performance backend services using NodeJS and Express, ensuring they are scalable, reliable, and secure. This involves designing and implementing RESTful APIs that facilitate seamless communication between our frontend applications, client-side agents, and other services. You will be deeply involved in database management, working with both NoSQL (MongoDB) and potentially SQL databases to design efficient data models, optimize queries, and ensure data integrity. A significant part of your contribution will be in enhancing application performance, identifying bottlenecks, and implementing solutions to improve speed, responsiveness, and stability, especially under heavy load. You will also play a key role in implementing and enforcing security best practices, protecting user data and ensuring compliance with relevant regulations. Collaboration is central to this position; you will work closely with product managers to understand requirements, with frontend developers to ensure smooth integration, and with the DevOps team to deploy and manage services on Google Cloud Platform using Kubernetes. Your expertise in writing clean, reusable, and well-tested code, adhering to principles like TDD and SOLID, will be crucial. You will also contribute to the CI/CD pipeline, ensuring efficient and reliable deployment of new features and updates. The opportunity to work on a product that millions of users engage with daily, combined with a culture that encourages learning and growth, makes this a highly rewarding position for a seasoned backend developer.
• The Senior NodeJS Backend Developer will be responsible for the end-to-end development of server-side applications, ensuring they meet the highest standards of performance, scalability, and security. This includes designing, developing, and deploying robust backend services that power Voicemod's suite of audio tools. You will work with modern technologies such as NodeJS, Express, MongoDB, and Redis, and leverage cloud infrastructure like Google Cloud Platform and Kubernetes for deployment and management. A key aspect of the role involves collaborating with cross-functional teams to define technical requirements, architect solutions, and deliver features that enhance the user experience for millions of gamers, streamers, and content creators. You will be tasked with optimizing existing services for speed and efficiency, as well as implementing new functionalities. This requires a strong understanding of database management, API design, and software testing methodologies, including TDD and SOLID principles. You will also contribute to the CI/CD pipeline, ensuring smooth and automated deployments. The role offers a significant opportunity to influence the technical direction of backend development at Voicemod, working in a dynamic and supportive environment that values innovation and continuous learning. You will be instrumental in scaling our platform to meet the demands of a rapidly growing global user base, making a tangible impact on a product that fosters creativity and self-expression in the digital world.
• As a Senior NodeJS Backend Developer, you will be a key contributor to the development and maintenance of Voicemod's backend infrastructure. Your responsibilities will encompass designing, building, and deploying scalable and reliable server-side applications using NodeJS and Express. You will work extensively with databases, including MongoDB and Redis, to manage data effectively and ensure optimal performance. A critical part of your role will involve collaborating with product and engineering teams to translate requirements into technical specifications and implement new features that enhance our audio tools. You will focus on optimizing application performance, ensuring speed, stability, and scalability to support our millions of users worldwide. This includes implementing robust security measures and data protection protocols. You will also be involved in the testing and deployment processes, utilizing tools and practices such as Docker, Kubernetes, and CI/CD pipelines. The opportunity to work on a product that fosters creativity and self-expression, alongside a passionate and collaborative team, provides a unique and rewarding career path. You will have the chance to deepen your expertise in cloud technologies like Google Cloud Platform and contribute to the evolution of our platform, making a significant impact on the user experience of a globally recognized application.

🎯 Requirements

• 5+ years of hands-on experience as a Backend Developer.
• Proven track record in developing and consuming REST API Services, using SQL/NoSQL databases.
• Proficiency in Docker containers, Kubernetes, Git version control, and CI/CD best practices.
• Understanding and application of testing methodologies like TDD and SOLID principles.
• English Proficiency: A minimum of B2 level.

🏖️ Benefits

• Flexible Working Hours
• Remote Working
• 23 vacation days + extra week off in August and birthday off
• Anniversary Celebration Program
• Generous Referral Program
• Extra time off on demand
• Wellbeing (Paid sick leave, maternity/paternity leave, healthcare insurance)
• Flexible Benefits Plan (for employees based in Spain)
• Remote Stipend
• Free English or Spanish lessons

Skills & Technologies

JavaScript

Node.js

Express

MongoDB

Backend

Senior

Remote

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Voicemod Sociedad Limitada

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About Voicemod Sociedad Limitada

Voicemod is a Spanish software company that develops real-time voice modification and soundboard tools for gamers, content creators, and virtual reality users. Founded in 2009 and headquartered in Valencia, its flagship application enables users to alter their voice in live chat, streaming, or recording environments with over 100 voice filters and meme sound effects. The technology integrates with popular platforms such as Discord, OBS, and VRChat, providing low-latency audio processing and customizable soundboards. The company operates on a freemium model, offering basic features free and monetizing via premium subscriptions, partnerships, and marketplace sales of user-generated content.

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