Backend Data Developer

About

KWAN

We connect IT professionals with projects that match their skills, professional experience, and goals, then we offer a career progression program, delivered by in-house specialists - our People Experience Partners - to guide them through our journey with us.

What is this challenge about:

Design, develop, and maintain backend services and APIs for complex enterprise SaaS applications;

Implement GraphQL APIs, integrate third-party services, and work with data stores (e.g., MongoDB) for document, search, and vector data;

Collaborate with data, frontend, and infrastructure teams to deliver end-to-end features;

Write high-quality, maintainable code primarily in TypeScript and Python;

Optimize backend systems for performance, scalability, and reliability;

Build and maintain automated test frameworks to ensure code quality;

Monitor and troubleshoot backend services, resolve production issues, and participate in on-call support when required;

Document architecture, processes, and best practices to ensure maintainability and team alignment.

Does it sound exciting?

Apply now! https://bit.ly/3vVXjGa

What we are looking for:

+6 years of experience as a backend engineer;

Proven experience building and maintaining backend services and APIs for large-scale, enterprise SaaS applications;

Proficiency in TypeScript and Python, with experience developing and exposing APIs (GraphQL or REST);

Hands-on experience with databases, preferably MongoDB or similar document-oriented systems;

Familiarity with cloud-based architectures (AWS, Azure, or GCP) and related backend services such as Lambdas, containers, and messaging systems;

Understanding of software engineering fundamentals, systems architecture, and security best practices;

Experience with automated testing frameworks and CI/CD pipelines;

Fast learner, adaptable to new technologies and evolving requirements;

Clear communicator and effective collaborator with cross-functional teams;

Strong ownership mindset, taking responsibility for the quality and reliability of delivered solutions;

Fluency in English (minimum B2).

Nice to have

Experience integrating AI frameworks (e.g., LangChain, LangGraph) into backend systems;

Exposure to building and maintaining production data pipelines;

Experience working in high-growth or product-focused SaaS companies;

Familiarity with monitoring, logging, and alerting for distributed systems.

Do you meet most of the position requirements?

Then grab this opportunity and apply now! https://tinyurl.com/48zs96rn

What We Offer

A project that matches your skills and ambitions, as well as your preferences for working policies and culture;

A competitive salary with awesome benefits and opportunities to leverage your knowledge and network to earn additional income;

An empowering and respectful work culture enriched with social and learning events;

A People Experience Partner specially assigned to you - your go-to career guide, responsible for supporting your growth, facilitating training, and ensuring your work-life balance at KWAN.

Some Words From Our Colleagues

• �At KWAN, they make sure that I feel comfortable with the client I’m working for and that what I’m doing aligns with my career aspirations.” - Luis Caldeira, DevOps @ KWAN

Does it sound exciting?

Apply now! https://tinyurl.com/48zs96rn