Senior Frontend Developer

Location Sevilla la Nueva
Job Type Permanent
Reference 33696

Are you ready to take your career to the next level by helping us build a product that millions of users use daily?

We already support more than 100K transactions per second and aim to be one of the top three e-gaming and betting software development companies recognised worldwide for adding the most value to its partners.

For this reason, we are looking for software engineers who are enthusiastic about building modern, resilient and scalable applications.

We need our people to be versatile, capable of mentoring and enthusiastic about taking on new challenges as we continue to push technology forward. Individuals capable of bring fresh ideas from all areas, distributed computing, large-scale system design, networking, data processing & storage, security, UX/UI design, and mobile; the list goes on and grows every day.

We are product-oriented engineers with a growth mindset. Our products need to handle data at a vast scale and extend well beyond betting and gaming.

We are a global leader in understanding and leveraging the power of sports data and digital content for its clients around the world including the NBA, NFL and NHL to name a few. We work with worldwide leader operators at the forefront of the gaming industry, helping hundreds of thousands of customers every year find, and do, "the source code of sport".

We are looking for motivated, confident, team-oriented individuals who possess excellent technical skills and strive for best practices and high-quality software with the ability to communicate these principles effectively.


We are curious problem solvers; we collaborate, communicate, share knowledge and technical ideas, and thrive together. We give you autonomy over the software you build and offer you the freedom to choose the right tools for the job.


You'll spend time on:

  • Working collaboratively with product owners and other engineers to create the best product for your customers within our next application.

  • Ensuring operational excellence of your services / applications.

  • Understanding how our business works and how products add value to your customers.

  • Learning and sharing experiences on new technologies and trends and how you can leverage them in current and future products.

  • Collaborating and sharing knowledge with others across the group.

  • Exhibiting passion and showing commitment to drive change.

We are looking for these skills:

  • Strong commercial experience with JavaScript

  • Experience with ReactJS/Redux

  • Experience with web performance optimizations.

  • We focus on quality: clean code, refactoring and Test Driven Development.

  • Our work language is English, so it is important to feel comfortable communicating both written and spoken.

Another valuable knowledge:

  • Experience in other JavaScript frameworks

  • Knowledge of Cloud technologies (AWS/Azure etc).

  • Experience with Continuous Integration and Continuous Delivery.


Maybe you will appreciate this information:

  • Part of OptimaMGS Product Engineering (team of ~200)

  • Which is part of (team of more than 2500)

We also offer:

  • Continuous learning program with technical internals sessions for continuous improvement.

  • Access to our online e-learning platform.

  • Internal training sessions during office hours to learn and grow, such as "Coding Dojo" sessions which we have to learn and share coding techniques


  • A highly competitive salary and bonus scheme.

  • Work in an international team collaborating with colleagues from all over the world.

  • Hybrid flexible working and compressed hours.

  • All the latest tech to get you up and running.

  • Free onsite daily breakfast

  • Opportunity to work and develop in a dynamic Tech environment within an inspiring and fast-growing company.

  • Access to our online learning portal to help grow and enhance your skills.

  • A challenging but rewarding and fun environment.

  • Other great benefits too!

Apply Now