Principal Software Engineer | Scale Up Lisboa

Principal Software Engineer | Scale Up
Lisboa
Lisboa, Lisboa, Portugal

Reach IT - Nearshore Solution!

Our nearshore expertise sets us apart. We specialize in
- demand, scalable solutions, and operational excellence. By bridging the talent gap, we deliver results that drive your business forward.

We are looking for a

Principal

Backend Software Engineer | Node/AWS

(Lisboa)

Skills:

6+ years of professional experience in backend development with

Node. js

(Type
Script);

Mongo
DB

for data modeling and query optimization (Or Dynamo
DB);

AWS cloud services

(ECS/EKS, Lambda, S3, RDS, SQS/SNS, Elasti
Cache);

Background in

microservices architecture

design, implementation, and refactoring;

Building and maintaining

CI/CD pipelines

(Git
Hub Actions, Docker);

Jest

(unit testing) |

Supertest

(API/integration testing);

O bservability tools , preferably

Datadog

(logs, metrics, tracing);

Familiarity with
- driven architectures

(Kafka, SNS/SQS).

Exposure to

Graph
QL

API design.

Code quality and coverage.

Fluency in English and ability to work in an international,
- functional environment.

Your Responsibilities:

✅ Work as a Senior

Backend Software Engineer

focused on

Node. js/Type
Script , developing scalable microservices and
- performance APIs;

✅ Contribute to the

architectural refactoring

of the backend core, creating a solid foundation for new products and integrations;

✅ Collaborate directly with the

CTO

and the engineering team in design, technology standards, and technical roadmap decisions;

✅ Build and maintain

CI/CD pipelines (Git
Hub Actions)

with automated unit, integration, and
-
- end testing;

✅ Implement

observability with Datadog

(logs, metrics, tracing) to ensure platform reliability.

✅ Build and operate
- native solutions on AWS , taking real ownership over critical parts of the platform;

✅ Execute

refactoring

of critical modules to increase resilience and reduce technical debt;

✅ Model and optimize data in

Mongo
DB

for
- volume transactional environments;

✅ Adopt

Ia
C

for consistent provisioning in

Terraform ;

✅ Collaborate closely with frontend engineers (React/Type
Script) to align API contracts;

#Node
JS #Type
Script #Mongo
DB #AWS #Microservices #Distributed
Systems #Cloud
Native #Dev
Ops #Infrastructure
As
Code #Terraform #AWSCDK #Jest

#Cypress #Playwright #Automated
Testing #CI_CD #Git
Hub
Actions #Sonar
Qube #Observability #Datadog #Logistics
Tech #Smart
Lockers #Last
Mile
Delivery #Saa
S #Scale
Up #Backend
Engineer #Principal
Engineer #Software
Architecture