Employment Type: Full-time | Mid-Level

About Kyniska
At Kyniska, we build robust and scalable backend systems that power innovative applications. We’re seeking a skilled Backend Developer who is passionate about designing efficient, secure, and maintainable server-side solutions. If you enjoy solving complex problems and working with cutting-edge technologies, you’ll thrive here.


We’re looking for a:
Backend Developer to design, develop, and maintain server-side logic, APIs, and databases that form the backbone of our products. You will work closely with frontend developers, DevOps, and product teams to deliver high-quality solutions that meet business needs.


What You’ll Need:

  • 3+ years of professional experience in backend development

  • Strong proficiency in at least one backend programming language such as Python, Java, Node.js, Ruby, or Go

  • Experience with RESTful API design and implementation

  • Solid understanding of relational and NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB)

  • Familiarity with containerization technologies like Docker and orchestration tools such as Kubernetes

  • Experience with version control systems like Git and collaborative development workflows

  • Knowledge of software design patterns, security best practices, and performance optimization

  • Comfortable working in Agile environments with continuous integration and delivery practices

  • Fluent in English (spoken and written)


Bonus Skills (Nice to Have):

  • Experience with cloud platforms such as AWS, Azure, or GCP

  • Familiarity with message brokers like RabbitMQ, Kafka, or Redis

  • Knowledge of microservices architecture and event-driven design

  • Experience with testing frameworks and automated testing

  • Understanding of DevOps principles and infrastructure as code (IaC) tools


Why Join Kyniska?

  • Develop backend systems that power impactful and innovative applications

  • Collaborate with a skilled, motivated, and diverse team across multiple projects

  • Benefit from continuous learning through training programs and certifications

  • Enjoy a hybrid work model that values flexibility and work-life balance

  • Access wellness and health support services remotely

  • Join a company culture that encourages ownership, creativity, and growth


Build the backbone of tomorrow’s software solutions with Kyniska.
Your expertise will directly contribute to the performance and scalability of our products.

Apply today and be part of a team where backend craftsmanship is valued.

Job Category: Developer
Job Type: Full Time Part Time
Job Location: Lisbon Porto Remote

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