Software Developer - Python &
At
HAYS
, we are partnering with an
international technology company
building innovative solutions for the energy transition. This organization blends
science
,
engineering
, and
innovation
to create products that accelerate the adoption of sustainable technologies, working with highly skilled, multidisciplinary teams.
Software Developer
Contract Type:
Freelancer (
5.950€/month
+IVA)
Project duration:
3'5 months (possibility of extension).
Work Model:
Hybrid in Lisbon.
Role Overview
We're looking for an experienced
Software Developer
to join
full‑stack projects in the energy and IoT domain
. You will
collaborate with technical teams
to build modern interfaces, robust backend services, and scalable solutions.
Responsibilities
* Develop
web applications
across
front end and back end
.
* Build responsive interfaces using
or
React
.
* Develop
RESTful APIs
and microservices with
Python (Django/FastAPI)
.
* Work with
PostgreSQL
, ensuring performance and data integrity.
* Perform
unit, integration, and end‑to‑end
tests and participate in code reviews.
* Contribute within
Agile
environments for planning and continuous delivery.
* Monitor and optimize applications in production.
Requirements
* Bachelor's degree in
Computer Engineering/Computer Science
or similar.
* 3+ years
of experience with
Python
.
* 3+ years
of experience with
or
React
.
* Strong knowledge of
front‑end/back‑end integration
and
REST APIs
.
* Nice to have:
Kafka, MQTT, RabbitMQ, Grafana, microservices, Docker.
* Fluent English
.
Call to Action
If you want to join a high‑caliber team and build technology with real impact in the energy sector,
apply now, we'd love to meet you