Lambda NodeJS Microservice to query ElasticSearch parts catalogue
Microservice to get information from Web Catalog which contains parts information of more than a million records segregated by year, by make, by engine, by…


Microservice to get information from Web Catalog which contains parts information of more than a million records segregated by year, by make, by engine, by category, by subcategory etc. This microservice is used in web application and mobile app as well for  faster retrieval.


AWS API Gateway

Created API with end points to differ each method by environment wise. Deployed multiple environment apis under same gateway like dev,staging and prod. Integrated api key based security to provide initial layer of security.

Lambda with node js

Implemented node js lambda services to perform get operations on elasticsearch. Added elasticsearch dependencies using lambda layer to get support of elastic js library to talk to ES. Integrated lambda with API gateway . Written node js wake up function to minimize cold start problem for containers.


Designed schema supports all types of searches and configured ES cluster to hold millions of records.


  • The services should be available in HA environment without we need to manage and with controlled access.
  • Implement Role based access (RBAC) Dashboards for Program Officers, Executive, Admin and Public – Building Extra middle layer to control Kibana admin control.Customize the Geo map and display the Images on Tool tip.
  • Integrate the Content which represents the various Schemes statistics and work.Implement Public Dashboard Which indicates the visualisations from all the Schemes.



  • Built parts data on Elasticsearch with schema delivered to provide quick results and able to search data with blazing speed from millions of records.
  • Built robust API using AWS API Gateway and implemented elasticsearch related business logic in aws lambda using Elasticsearch HTTP API.
  • Using nodejs with lambda delivered quick responses from elasticsearch to API consumers and achieved optimal speed.
  • Implemented security policies on API gateway and custom Authorizers to validate the origin of request to allow access to data sources in this case it is Elasticsearch.
  • Reduced Complexity of elasticsearch API implementation at client level and simplified API built on top of elasticsearch which can be consumed by other services as well.

Read more about KTree

KTree, a Global IT Company

What and how the processes are structured in KTree?

KTree's processes follow CMMi to ensure consistent, high-quality outcomes. With a focus on quality coding , code reviewing, and performance and load testing in our QA processes, we deliver reliable, scalable, and high-performing applications to meet our clients' needs.

How KTree makes outsourcing project a positive experience?

KTree delivers high-quality applications that meet our clients' needs, by prioritizing collaboration, communication, visibility, traceability, and requirements engineering. While we charge a little premium for our services, we believe that it is important to provide the necessary resources and expertise to ensure project success.

Any other Differentiation which KTree has, which it can offer?

KTree's tremendous knowledge and expertise, gained from working on hundreds of web and mobile application projects, gives us a significant advantage that allows us to provide a head-start on projects, saving our clients many man-months.

Where is KTree's Web and Mobile application Development done?

KTree's web and mobile application development primarily takes place at our Hyderabad development center. Hyderabad is not only abundant in IT talent but is also known for its rich heritage and exotic food.

What is Success mantra of KTree, as one of the respected web development company?

The success mantra of KTree as a respected web development company is combining Agile methodology with strong documentation, powerful web and mobile frameworks, and a solid KTree team to deliver great web and mobile applications within a specified timeframe.

What Development methodology KTree follows and why?

KTree's development team follows the Scrum framework of the Agile methodology, which improves Agility through its simplicity and flexibility. This allows us to adapt to changing project requirements and deliver high-quality products within the specified timeframe.

Leverage the expertise of a Top Application development company for your enterprise web and mobile application needs.

Contact our solid KTree team to get started.

We Value Our Customers

Find Out Why They Keep Coming Back to KTree, at KTree, we prioritize our customers and aim to deliver exceptional experiences. Their positive feedback is a testament to our commitment to excellence in every aspect of our service.

Our Clients