Senior Nest.js

Region: LATAM

Country: Costa Rica

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 Nest.JS

What's the Project?
Our client is a power leading online properties across health, media, and information services. We build high-traffic, mission-critical applications used by millions of users daily, with a strong focus on reliability, performance, and data security. We work in Agile environments, constantly iterating and pushing forward improvements.

You’re a perfect match if you have:

5+ years of professional experience building backend services / APIs, with at least 2+ years working with Nest.js in production.
Deep proficiency in TypeScript; solid understanding of JavaScript core.
Strong design skills in API architecture: REST + possibly GraphQL / WebSocket where needed.
Experience with SQL and/or NoSQL databases; schema design, query optimization, migrations.
Experience building modular systems / microservices.
Thorough experience with testing (unit, integration, mocks, error paths).
Strong skills in version control (Git), code reviews, and CI/CD pipelines.
Good understanding of cloud deployments (e.g., AWS, Azure, or comparable) and shipping services to production with monitoring, logging, alerting.
Familiarity with containerization (Docker) and orchestration is a plus.
Excellent problem-solving skills, ability to debug complex issues in production.
Strong verbal and written communication skills; ability to articulate trade-offs, document work.

Your day-to-day activities:

Design, build, and maintain backend services/APIs using Nest.js and TypeScript.
Architect scalable, maintainable, and secure microservices / modular applications.
Collaborate with frontend teams, product managers, and UX to translate requirements into robust endpoints.
Ensure high test coverage: unit, integration, end-to-end tests.
Optimize performance, reliability, and scalability of existing systems.
Participate in code reviews, provide technical feedback and mentor junior engineers.
Work with DevOps/Infrastructure teams on CI/CD, observability (metrics/logging), deployment, rollback plans.
Maintain good API documentation and versioning.
Stay up-to-date with backend innovations, security best practices, and apply improvements.

Please note that employment will be contingent upon providing documentation verifying your legal work authorization in the country of residence, in accordance with applicable law.

Ready to dive in?

Orlando Gonzalez
Recruiter

America/Costa_Rica

orlando.gonzalez@newfireglobal.com

Hiring Process

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

Stage 1

Applied

Stage 2

Interview

Stage 3

Technical assessment

Stage 4

Technical Interview

Stage 5

Client Interview

Stage 6

Offer

Stage 7

Background Check

Stage 8

Hired

1 of X

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Please specify only the years of experience relevant to similar positions, not your total professional experience. What is your English proficiency level? *
At Newfire, we only hire professionals who can communicate clearly and effectively with native English speakers in meetings, emails, and chat. Your English skills will be assessed during the initial interview.Basic (A1–A2) – Can understand and use some familiar words and very basic phrases. Very limited ability to communicate. Intermediate (B1) – Can deal with some daily situations. Limited ability to communicate in English. Advanced (B2–C1) – Can interact with a degree of fluency and spontaneity in a professional environment. Able to produce clear, well-structured language on complex subjects. Fluent / Native (C2) – Can express themselves effortlessly in all types of communication, including nuanced and abstract language. Comparable to native-level proficiency.

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