Senior Backend Engineer (MERN)

WeKan; Bengaluru; On-site; INR 1,800,000 - 2,800,000; Full time

Job summary

WeKan Enterprise Solutions, based in Bengaluru, is seeking experienced software engineers to drive migration projects and modernize legacy systems. You will design scalable back-end architectures, build cloud-native applications, and collaborate with stakeholders and MongoDB architects to deliver high-impact solutions.

The role demands hands-on expertise with Express.js, Nest.js, microservices, and MongoDB, with strong emphasis on design patterns, testing, and documentation.

Qualifications

• 7+ years building high-performance back-end applications.
• At least 3 projects delivered using the required technologies.
• Strong understanding of the software development life cycle.
• Experience in system design and architecture.
• Strong focus on quality of work delivered.
• Excellent verbal and written communication skills.

Responsibilities

• Work on complex data migrations and modernize legacy applications.
• Build new cloud-native applications for large enterprises or growth-stage startups.
• Collaborate with business stakeholders, customer teams and MongoDB solutions architects.

Skills

Express.js

Nest.js

Microservices

Monolithic architecture

MongoDB

Redis

Kafka

RabbitMQ

Mocha

Chai

Jest

AWS

Data modeling

Schema design

Unit testing

Architectural design

Tools

MongoDB

Job description

Experience - 8+ yrs

Location: Bangalore (Whitefield)

About Wekan Enterprise Solutions

Wekan Enterprise Solutions is a leading Technology Consulting company and a strategic

investment partner of MongoDB. We help companies drive innovation in the cloud by adopting

modern technology solutions that help them achieve their performance and availability

requirements. With strong capabilities around Mobile, IOT and Cloud environments, we have an

extensive track record helping Fortune 500 companies modernize their most critical legacy and

on-premise applications, migrating them to the cloud and leveraging the most cutting-edge

technologies.

Job Description

We are looking for passionate software engineers eager to be a part of our growth journey. The

right candidate needs to be interested in working in high-paced and challenging environments

leading technical teams, designing system architecture and reviewing peer code. Interested in

constantly upskilling, learning new technologies and expanding their domain knowledge to new

industries. This candidate needs to be a team player and should be looking to help build a

culture of excellence. Do you have what it takes?

You will be working on complex data migrations, modernizing legacy applications and building

new applications on the cloud for large enterprise and/or growth stage startups. You will have

the opportunity to contribute directly into mission critical projects directly interacting with

business stakeholders, customer’s technical teams and MongoDB solutions Architects.

• Relevant experience of 7+ years building high-performance back-end applications with
• at least 3 or more projects delivered using the required technologies
• Good understanding of software development life cycle
• Strong experience in system design and architecture
• Strong focus on quality of work delivered
• Excellent verbal and written communication skills

Required Technical Skills

• Extensive hands-on experience building high-performance web back-ends using
• Strong experience with Express.Js framework and having experience with Nest,js
• framework .
• Implementation experience in monolithic and microservices architecture
• Hands-on experience with data modeling, Schema Design, Aggregation pipelines,
• replication on MongoDB and any other Relational databases
• Experience integrating with any 3rd party services such as cloud SDKs (Preferable X),
• Hands‑on experience with Redis, Kafka, or Rabbit MQ or any other messaging
• Exposure into unit testing with frameworks such as Mocha, Chai, Jest or others
• Experience working with common services in any of the major cloud providers - AWS
• Strong experience writing and maintaining clear documentation.

Good to have skills:

Technical certifications in AWS / Azure / GCP / MongoDB or other relevant