Senior Full-Stack Engineer (.Net/React) Senior Full-Stack Engineer (.Net/React)

Senior Full-Stack Engineer (.Net/React)

Region: EMEA

Country: Poland, Croatia, and Portugal

Type: Fully remote

What's the Project?

Newfire Global Partners is a leading technology firm that specializes in building transformative software solutions for some of the world’s most innovative companies. With a presence across four continents, Newfire Global brings deep expertise in digital healthcare, AI-driven analytics, and enterprise technology. The firm’s track record of delivering scalable, high-impact solutions has made it a trusted partner for organizations seeking to drive meaningful change through technology.

We are passionate about the purpose-driven mission to help improve the quality of care for patients and are building a collaborative, innovative, and inclusive culture. We are a fully funded company founded by serial entrepreneurs with a stable client base.

Opportunity for impact

Newfire Global Partners, a leader in developing disruptive healthcare technology, collaborates with Fortune 500 companies and start-ups to drive transformation. 

Newfire is seeking a Senior Full stack engineer (.Net/React)

What's the Project?
Our client is dedicated to helping students and colleges make informed choices because let’s face it, navigating your educational path can feel overwhelming. They believe in making that process easier, faster, and way more accessible for everyone involved. 
You’re a perfect match if you have:
  • 10+ years of relevant work experience, including at least 5 years working in an Agile scrum team
  • 8+ years working with C#, .Net and related technologies. 
  • 5+ years working with AWS and its critical technologies such as EKS, SQS, ECS, Redis Cache,
  • 5+ years working with relational database systems (e.g., MySql or PostgreSQL) and in-memory key-value databases (e.g., Redis) and NoSQL database such as Elastic, MongoDB
  • 5+ years designing, implementing, and maintaining CI/CD (continuous integration / continuous deployment) processes using tools such as Bitbucket Pipelines, Jenkins, and/or GitHub actions
  • Working experience with OOP, SOA, microservices, and design patterns
  • Experience building RESTful APIs
  • Experience working with multiple tech stacks, and ability to quickly learn new technologies
  • Excellent analytical and problem-solving skills 
  • Excellent communication skills
  • Strong attention to detail
  • Comfortable with Linux systems and bash command line
  • Proficient with tools such as git, npm, Docker
  • Good knowledge of AJAX, JSON, HTML and CSS
Your day-to-day activities:
  • Design and develop enterprise grade, high volume web and data applications platforms and state of the art technical solutions leveraging variety of technologies in public cloud such as AWS or GCP
  • Develop and support APIs and business logic leveraging C#, .NET, docker, RabitMQ etc
  • Develop and support web user interfaces using JavaScript Frameworks such as ViewJS, ReactJS
  • Well versed with cloud native technologies and design patterns to build scalable cloud-based applications.
  • Participate in design discussions and solution design sessions with product management and software development teams to shape new product features and platform capabilities.
  • Provide support to critical production issues and infrastructure needs.
  • Provide hands on guidance and mentorship to a team of front-end and back-end developers.
  • Enjoy coaching, mentoring and guiding peer developers and QA engineers and working collaboratively with product and program managers, DevOps and other technical leaders.
  • Contribute to evaluation, prototyping and selection of software solutions that will improve our technology infrastructure.
  • Make recommendations to enhance performance and scalability of our flagship products.
  • Develop unit tests and API integration tests to maximize code coverage in accordance with the software test pyramid.
  • Apply Test Driven Development practices and software quality measurement tools to the improve quality of delivered software.
  • Foster and support a culture of innovation and excellence in the engineering organization.

Ready to dive in?

Contact us today or apply below.

Maja Tirić
Recruiter

Hiring Process

Here's what you can expect during our hiring process.

Stage 1

Applied

Stage 2

Interview

Stage 3

Review

Stage 4

Technical interview

Stage 5

Interview

Stage 6

Client Interview

Stage 7

Verbal offer

Stage 8

Offer Letter

Stage 9

Background Check

Stage 10

Hired

1 of X
Submit Your Application
Fill out the form to apply for this position.
Ensure all required fields are completed accurately to be considered for the role.
If you have been referred, please share the full name of the contractor or employee that referred you
5mb max, .pdf,.doc,.docx.

© 2026 Newfire LLC,
45 Prospect St, Cambridge, MA 02139, USA

Privacy Policy
Amazon Consulting PartnerClutch