Back End Developer

KCS IT; Lisboa; Hybrid; EUR 65,000 - 90,000; Full time

Job summary

KCS IT is expanding its Lisbon-based team and seeking a Senior .NET Core specialist to design and implement robust microservices in a hybrid work setting (Restelo, Lisbon). The role requires 5+ years in .NET, hands-on REST APIs, CI/CD, and strong English communication.

Ideal candidates will master .NET Core, work with relational databases, and apply solid design principles. Opportunity to grow across client projects while enjoying a collaborative, inclusive environment.

Qualifications

• 5+ years of experience with .NET technologies.
• Strong experience with .NET Core / .NET 6/7/8 (or latest versions).
• Experience with microservices architecture.
• Solid knowledge of REST APIs and web services.
• Hands-on experience with CI/CD tools (Azure DevOps, GitHub Actions, Jenkins, etc.).
• Experience with relational databases (SQL Server, PostgreSQL, etc.).
• Good understanding of software design principles and patterns (e.g., SOLID, Singleton, Factory).
• Experience with Git and version control best practices.
• Strong communication skills and fluent English.

Skills

5+ years experience

NET Core / .NET 6/7/8

Microservices

REST APIs

CI/CD tools

Relational databases

Design patterns

Git

English

Tools

Docker

Kubernetes

Kafka

RabbitMQ

Job description

At KCS IT, we champion equality and embrace diversity . We foster a safe, inclusive environment where opportunities are equal for all!

We do not discriminate based on age, ethnicity, sexual orientation, gender, disability, or any factor other than merit.

We are looking for an Amazing: .Net core

Seniority: Senior

Type of position: Hybrid - Restelo, Lisbon.

The amazing you, will have:

• 5+ years of experience with .NET technologies.
• Strong experience with .NET Core / .NET 6/7/8 (or latest versions).
• Experience with microservices architecture.
• Solid knowledge of REST APIs and web services.
• Hands-on experience with CI/CD tools (Azure DevOps, GitHub Actions, Jenkins, etc.).
• Experience with relational databases (SQL Server, PostgreSQL, etc.).
• Good understanding of software design principles and patterns (e.g., SOLID, Singleton, Factory).
• Experience with Git and version control best practices.
• Strong communication skills and fluent English.

Nice to Have

• Experience with front-end technologies (React, Angular, or Vue).
• Knowledge of cloud platforms (Azure preferred, AWS or GCP also valued).
• Familiarity with Docker and Kubernetes.
• Experience with message brokers (Kafka, RabbitMQ).
• Understanding of event-driven architectures.

Why should you become part of our family?

• You can develop a career that fits you: your career development is personalized, taking in consideration your needs and goals from a short to long term
• Interesting Challenges Ahead: you can work for several clients from different sectors of activity
• Free training programs: Our training and certification programs in languages, tech, behavior and business will help you to reach your full potential faster
• International projects in Benelux: you can gain international experience in Benelux and balance a new way of living with work
• Type of projects (depending on the project you might find one of this types of projects):
• In hybrid Systems: Is important to balance work with socialization, that´s why a hybrid system works for us and for you
• Full Remote projects: If you want to work while you enjoy the comfort of your home
• Full Onsite projects: if you prefere the company of your colleagues!
• Take care of your well-being: Enjoy our free nutrition, psicologist, general medicine appointments and our yoga and personal training days… all remote!

Who are we?

Founded in 2008 and based in Lisbon, KCS IT is a consulting company in the field of Information Technology and Services, focused on creating value for our clients through three main areas: Consulting, Outsourcing, Inovation and Training. Our commitment to talent development is unmistakable in the recent opening of the Porto, Leiria and Azores hubs, which aims to develop technology for the national and international market. Since 2018 we have been elected one of the 10 major companies in the “Index of Excellence”, an initiative that aims to reward organizations that invest most in the development and satisfaction of their employees.