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This is us
At Avenga, we believe that human creativity empowers technology that matters. Operating globally, our ****+ specialists provide a full spectrum of services, including business and tech advisory, enterprise solutions, CX, UX and UI design, managed services, product development, and software development.
This is the job
In Argentina, within the
Software Engineering
domain, we are actively seeking a
Software Engineer (Node.js BFF)
to strengthen our team dedicated to building scalable, event-driven, and cloud-native applications. This is a long-term opportunity for professionals passionate about backend-for-frontend (BFF) architectures and modern distributed systems.
This is you
Strong expertise in
Node.js (18+)
with knowledge of the
NestJS framework
.
Experience with
microservices
and/or
event-driven architectures
.
Hands-on experience implementing and managing applications in a
cloud platform
.
Familiarity with
Serverless Framework
or Infrastructure as Code (IaC) tools.
Knowledge of
ExpressJS
.
Experience with
GitLab
, branching models, hotfixes, and feature evolution.
Strong knowledge in building and consuming
RESTful APIs
.
Experience working with
NoSQL databases
.
Experience setting up monitoring and alerting tools (
DataDog, OpsGenie
).
Nice-to-have skills:
Experience with
AWS serverless services
(Lambda, API Gateway, SQS, SNS, Step Functions, EventBridge, DynamoDB).
Knowledge of
TypeScript
.
Ability to write clean, efficient, and well-documented code.
Experience with
agile methodologies
and software development life cycles.
Experience designing and/or developing
scalable, highly available architectures
.
This is your role
Understand software requirements and refine specifications into detailed designs.
Build or adapt classes, modules, and other software components, reusing existing code where possible.




Perform unit testing and review code to fix defects or improve quality.
Document programs according to standards (functional, architectural, and in-code comments).
Research new technologies, follow defined processes, and propose improvements.
Deliver across the full application lifecycle: concept, design, development, implementation, testing, and support.
Maintain production applications, fix bugs, and implement new features.
Collaborate closely with developers, TLs, and POs to meet delivery commitments.
Gather functional requirements and translate them into elegant solutions.
Build prototypes during technical scoping phases.
Optimize application performance and focus on functionality.
Create engaging user interfaces (mandatory only for fullstack profiles with ReactJS).
Identify improvement opportunities and contribute to continuous improvement processes.
Participate in defining and reviewing standards and best practices for design and development.
What awaits you at Avenga?
A
long-term project
with opportunities to grow your expertise in BFF and event-driven architectures.
A
hybrid work model
: candidates must reside in
Argentina
, with preference for
Buenos Aires or Córdoba
, to facilitate in-person meetings when required.
A collaborative environment that values
innovation, experimentation, and knowledge sharing
.
At Avenga, everyone matters. We provide equal opportunities in recruitment, career development, and leadership, regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to fostering a work environment where our diverse community of employees, candidates, and business partners actively shapes our growth. By bringing together people from different backgrounds and experiences, we build a workplace where everyone feels free to be themselves while honoring the boundaries of others.

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📌 Senior Nodejs Engineer (Buenos Aires)
🏢 avenga
📍 Buenos Aires