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Argentina Remote React

Senior Full Stack Engineer

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Description

It's you who can make an impact! Join our dynamic team as Senior Full Stack Engineer and shape tomorrow's innovations! It is the dream job for those passionate about React and crave a vibrant team atmosphere. Apply yourself or drop us a line if you know someone who fits the role. Let's enjoy the engineering and vibrant international environment together! 
We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.

About the role:
As a Senior Full Stack Engineer, you'll become a part of a cross-functional development team engineering experience of tomorrow. 

Our Client is a global technology company in the payments industry, dedicated to connecting and powering an inclusive digital economy. With a mission to make payments safe, simple, and accessible for everyone, Mastercard leverages cutting-edge technology and data-driven insights to provide innovative solutions for consumers, financial institutions, merchants, governments, and businesses worldwide.

As a leader in digital payments, Mastercard is committed to driving financial inclusion, enabling secure and seamless transactions, and advancing a cashless society. The company’s focus on innovation, customer-centric solutions, and strategic partnerships makes it a key player in shaping the future of global commerce.

Responsibilities

  • Develop, enhance, and maintain user interfaces using React.js and backend services using Node.js, Java, and related technologies
  • Design, develop, and implement scalable web applications within a microservices architecture using agile methodologies
  • Build and maintain next-generation web-based GUIs, contributing new features to complex products in a distributed environment
  • Implement robust testing solutions, including unit, integration, and automation tests using tools such as Selenium, Cypress, Playwright, or similar
  • Optimize application performance and ensure scalability by designing efficient and reusable code
  • Participate in code reviews, provide constructive feedback, and ensure high-quality code standards are met
  • Work closely with cross-functional teams, including product managers, QA engineers, and other developers, to deliver high-quality solutions

Requirements

  • 7+ years of experience in software development with expertise in React.js, Node.js, and Java (preferably Spring Boot and Microservices)
  • Strong experience in HTML5, CSS3, and modern JavaScript (ES6+)
  • Proven experience working with relational and non-relational databases such as PostgreSQL, MongoDB, and NoSQL databases
  • Hands-on experience with testing frameworks like Selenium, Cypress, or Playwright
  • Strong understanding of software development principles, including OOP, SOLID, and microservices architecture
  • Experience in API design and development using RESTful principles and tools like Swagger
  • Familiarity with CI/CD pipelines, version control (Git), and cloud platforms such as AWS
  • Excellent problem-solving skills and the ability to work independently and in a team

Desirable

  • Experience in mobile application development
  • Familiarity with Domain-Driven Design (DDD), Event-Driven Architecture, and CQRS
  • Knowledge of containerization tools (Docker) and orchestration frameworks (Kubernetes)

Personal skills

  • Investigate issues
  • Able to work in distributed cross-functional teams effectively
  • Plan, schedule and monitor your own work
  • Have learning agility (readiness for challenge and being open to change)

What's in it for you

  • Care: your mental and physical health is our priority. We ensure comprehensive company-paid medical insurance and mental health programs, 5 undocumented sick-leave days per year
  • Tailored education path: boost your skills and knowledge with our regular internal events (meetups, conferences, workshops), Udemy license, language courses and company-paid certifications
  • Growth environment: share your experience and level up your expertise with a community of skilled professionals, locally and globally
  • Long-term employment with 20 working-days paid vacation and local bank holidays
  • Flexibility: 100% remote work mode
  • Opportunities: we value our specialists and always find the best options for them. Our Internal Mobility Program helps change a project if needed to help you grow, excel professionally and fulfill your potential
  • Global impact: work on large-scale projects that redefine industries with international and fast-growing clients
  • Welcoming environment: feel empowered with a friendly team, open-door policy, informal atmosphere within the company and regular team-building events

About us:
Ciklum is a global company entering Latin America and building a new delivery center here. Become a part of the big story created right now.
Boost your skills and knowledge: create and innovate side by side with like-minded professionals on a global scale. 
Be bold, not bored!

Experiences of tomorrow. Engineered together

Interested already?

We would love to get to know you! Submit your application. Can’t wait to see you at Ciklum.

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