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Senior Fullstack Engineer (.NET/React)

The company and our mission: 


Zartis is a digital solutions provider working across technology strategy, software engineering and product development.


We partner with firms across financial services, MedTech, media, logistics technology, renewable energy, EdTech, e-commerce, and more. Our engineering hubs in EMEA and LATAM are full of talented professionals delivering business success and digital improvement across application development, software architecture, CI/CD, business intelligence, QA automation, and new technology integrations.


We are looking for a Senior Software Engineer to work on a project in the MedTech sector.


The project:


Our teammates are talented people that come from a variety of backgrounds. We’re committed to building an inclusive culture based on trust and innovation.


You will be part of a distributed team developing new technologies to solve real business problems. You will be part of a team building a brand-new system that integrates with doctors' record systems to extract appointment data and centralize it within their platform. This role involves developing APIs, collaborating with cross-functional teams, and contributing to the architecture and implementation of key features from the ground up.


We’re looking for a Senior Software Engineer with deep expertise in backend development, specializing in C#, React and AWS technologies. This role demands a strong understanding of security principles, with a focus on authentication and authorization. 


What you will do:


-Design, develop, and maintain high-performance backend systems using C#.

-Build and deploy scalable, resilient applications on AWS.

-Implement robust authentication and authorization mechanisms, ensuring adherence to security best practices, standards, and regulations.

-Support the development of frontend features in React.

-Create scalable and reliable systems with high availability and performance.

-Write clean, maintainable, and well-documented code, including unit and integration tests.

-Collaborate with product managers and engineers to deliver end-to-end features.

-Provide technical guidance and feedback on designs, PR reviews, and other technical artifacts.

-Stay current with emerging trends, technologies, and security best practices.


What you will bring:


-5+ years of experience in software development with a strong proficiency on C# development within the .NET framework.

-Hands-on experience with AWS services.

-Expertise in modern front-end technologies such as React, TypeScript, and CSS-in-JS solutions.

-Passion for technology and the ability to think critically about the performance, scalability, and reliability of software.

-Solid understanding of authentication and authorization mechanisms.

-Strong written and verbal communication skills.

-A product-driven mindset and passion for working in a highly collaborative and supportive environment.


Nice to have:


--Experience managing DynamoDB.

-Experience writing automated tests.

-Knowledge of Infrastructure as Code (IaC). 

-Experience working with Docker.


What we offer:


-100%Remote Work

-WFH allowance: Monthly payment as financial support for remote working.

-Career Growth: We have established a career development program accessible for all employees with a 360º feedback that will help us to guide you in your career progression.

-Training: For Tech training at Zartis, you have time allocated during the week at your disposal. You can request from a variety of options, such as online courses (from Pluralsight and Educative.io, for example), English classes, books, conferences, and events.

-Mentoring Program: You can become a mentor in Zartis or you can receive mentorship, or both.

-Zartis Wellbeing Hub (Kara Connect): A platform that provides sessions with a range of specialists, including mental health professionals, nutritionists, physiotherapists, fitness coaches, and webinars with such professionals as well.

-Flexible Working schedule

-Multicultural working environment: We organize tech events, webinars, parties, and activities to do online team-building games and contests.


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What You Should Know About Senior Fullstack Engineer (.NET/React), Zartis

At Zartis, we're on the lookout for a talented Senior Fullstack Engineer (.NET/React) to join our innovative team. Based in LATAM, you'll contribute to exciting projects in the MedTech sector, where you'll develop cutting-edge software solutions that improve healthcare processes. As a Senior Fullstack Engineer, you will engage with a diverse group of professionals, working collaboratively to build a new system that integrates with doctors' record systems to centralize appointment data. Your expertise in C# and React will be crucial as you design, develop, and maintain high-performance backend systems and support frontend features. We foster a culture of trust and inclusion, so you'll have ample opportunities to voice your ideas and drive technical discussions. Your strong background in AWS will help us deploy scalable applications, while your understanding of security principles will ensure that our systems are robust and secure. At Zartis, we believe in career growth, training, and a healthy work-life balance, offering remote work options and resources for your professional development. If you're passionate about leveraging technology to solve real business problems and eager to grow in a supportive environment, we want to hear from you!

Frequently Asked Questions (FAQs) for Senior Fullstack Engineer (.NET/React) Role at Zartis
What are the main responsibilities of a Senior Fullstack Engineer at Zartis?

As a Senior Fullstack Engineer at Zartis, your main responsibilities will include designing and developing high-performance backend systems using C#, building scalable applications on AWS, implementing secure authentication mechanisms, and collaborating with cross-functional teams to deliver end-to-end features. You'll also write clean, maintainable code and provide technical guidance to your peers.

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What qualifications do I need to become a Senior Fullstack Engineer at Zartis?

To qualify for the Senior Fullstack Engineer position at Zartis, you should have at least 5 years of experience in software development, with a strong proficiency in C# and knowledge of the .NET framework. Hands-on experience with React, AWS services, and a solid understanding of authentication and authorization mechanisms are essential. Strong communication skills and a collaborative mindset will also be crucial.

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Is remote work available for the Senior Fullstack Engineer position at Zartis?

Yes, Zartis offers 100% remote work options for the Senior Fullstack Engineer position. We understand the importance of work-life balance and provide a monthly WFH allowance to support our remote employees. You'll have the flexibility to work from wherever you feel most productive!

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What opportunities for career growth does Zartis provide for Senior Fullstack Engineers?

At Zartis, we value employee development and offer a structured career development program accessible to all employees. You'll receive 360º feedback, mentoring opportunities, and the chance to participate in various training sessions, conferences, and tech events to help you advance in your career.

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What technologies will I be working with as a Senior Fullstack Engineer at Zartis?

In your role as a Senior Fullstack Engineer at Zartis, you will primarily work with C#, React, and AWS technologies. Additionally, you may engage with modern front-end technologies, TypeScript, CSS-in-JS solutions, and be involved in infrastructure management using practices like Infrastructure as Code and Containerization with Docker.

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Common Interview Questions for Senior Fullstack Engineer (.NET/React)
Can you explain your experience with C# development?

When discussing your experience with C# development during the interview, focus on specific projects where you utilized C# for backend development. Highlight your proficiency with the .NET framework, any frameworks you've used alongside C# like ASP.NET, and mention significant achievements or challenges you overcame.

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How do you ensure the security of applications you develop?

To effectively answer this question, outline your understanding of security principles related to authentication and authorization mechanisms. Discuss best practices you follow, such as implementing secure coding standards, conducting code reviews, and using technologies like JWT or OAuth for secure API access.

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What is your experience with cloud services, specifically AWS?

When discussing your experience with AWS, detail specific services you've utilized, like EC2, S3, or Lambda, and explain how you've applied them in previous projects. Highlight any relevant AWS certifications or training you've completed to demonstrate your commitment to cloud development.

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How do you manage tasks in a distributed team?

To answer this effectively, share tools and methodologies you use for task management, such as Agile or Scrum processes. Discuss your experience with collaboration tools like JIRA, Asana, or Trello, and highlight the importance of clear communication in a distributed environment.

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How do you approach performance optimization in your applications?

In your response, provide examples of techniques you use for performance optimization, including database indexing, caching strategies, and code profiling. Discuss specific situations where you identified bottlenecks and implemented solutions to enhance application performance.

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What kind of technical documentation do you produce?

Discuss your approach to technical documentation, including the types you create (code comments, user manuals, API documentation). Highlight the importance of clarity and accessibility in documentation to support team members and future maintenance needs.

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Can you give examples of how you've implemented CI/CD in your projects?

When discussing CI/CD implementation, cite specific tools you’ve used, such as Jenkins or GitLab CI. Explain how you automated testing and deployment processes, highlighting the benefits in terms of efficiency and error reduction.

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What challenges have you faced in fullstack development and how did you overcome them?

Reflect on a specific challenge that required balancing frontend and backend responsibilities. Describe your problem-solving process and the measures you took to ensure project success, emphasizing collaboration and communication skills.

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How do you stay updated with emerging technologies in software engineering?

To answer this, share the resources you regularly use to stay updated, such as tech blogs, podcasts, webinars, or relevant communities. Discuss any recent technologies you've learned and how you plan to integrate them into your work.

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Why do you want to work at Zartis as a Senior Fullstack Engineer?

When answering this question, highlight Zartis’s commitment to innovation and inclusion, focusing on how their values align with your career goals. Share your excitement about contributing to the MedTech sector and mention specific projects or initiatives at Zartis that drew your interest.

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Full-time, remote
DATE POSTED
April 6, 2025

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