OPENS AT: Apr 26, 2019, 07:30 AM

CLOSES AT: May 05, 2019, 01:25 PM


Kaleyra Software Developer Hiring Challenge'19

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Congratulations to the shortlisted participants!

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The shortlis...



Kaleyra is a global communications solutions provider that offers an extensive range of telecommunication services for banks, retail and e-commerce companies, and enterprises. Through a global platform, Kaleyra enables its customers to reach, engage and manage integrated and multi-channel notification services such as messages, push notifications, emails, instant messaging and voice services. Our services help business connect and communicate with their customers increasing customer retention and satisfaction in an easy and effective manner.

Kaleyra is currently hiring for JAVA, PHP, Python & Node.Js Developers with 2-8 years of experience.

Challenge Format:

  • Question: 1 File-Upload challenge (1 Problem statement will be provided to the candidate and the candidates will be expected to build a back-end application based on JAVA, PHP, Python or Node.Js)
  • Duration: 8 Hours
  • Type: Backend development


  • Branch: Computer Graduate or related
  • Graduation Year: 2011 - 2017
  • Joining Date: 30-60 days

Take up the test and stand a chance to become a part of this awesome company!



Software Developer
Experience: 2-8 years
CTC: Upto 25 Lacs
Job Location: Bengaluru
Openings: 15

Key Responsibilities:

  • Will own a complete platform from initial architecture, design of components, quality and deployment planning
  • Will act as an evangelist for the product platform. Identify right technologies for the business use cases. Will be involved in creation of user manuals, internal documents and customer API documentations.
  • Will understand requirements by studying information needs, discussing with the stakeholders, understanding workflow processes, data flows. Create design and architecture documents to explain, justify and evaluate design approaches.
  • Should be strong in design principles and have implemented them in existing projects.
  • Involved in troubleshooting existing applications in production. Identify and build tools for troubleshooting.
  • Will be involved in creating flowcharts and data flow diagrams. Will be involved in code review for peers. Should be able to identify and implement best practises.
  • Should be an advocate of automating daily tasks. Should have a high inclination towards building self managed systems.
  • Should be aware of the latest technology trends. Should participate in professional publications, conferences and events.
  • Will be involved in mentoring junior team members and aligning them towards company goals.
  • Identify and implement metrics for measuring platform stability and end user feedback.

Required Skills & Experience:

  • BS/MS degree in Computer Science/Information Science, Engineering or related field from reputed institute.
  • Built distributed systems and have the capacity to identify a problem and provide a solution
  • Experience with scalable applications. Ability to identify probable bottlenecks and come up with approaches to mitigate them.
  • Experience in working in cloud infrastructure. Capability in identifying and working with IaaS and PaaS providers.
  • Good understanding of OOPs and Functional programming concepts.
  • Working experience in one or more of the technologies like PHP (laravel, YII, Code Ignitor ), NodeJs (hapi.js express.js, socket.io), Python, Golang, Java(Spring, Hibernate).
  • Working knowledge of web technologies like HTML, CSS and Javascript.
  • Experience in identifying database solutions for a given problem. Experience working with one of RDBMS and NoSQL databases.
  • Has a good knowledge about API fundamentals and have worked with third party APIs integrations.
  • Good written and verbal communication skills.
  • Should be a highly motivated and a quick learner.


Kaleyra, one brand, many faces. Incepted in 2018, Kaleyra brand addresses the essence of our legacies: Western heritage is represented by “Kalos” an ancient greek word that...



  1. Before you attempt programming questions, you should choose a language from the given list.

  2. All inputs for the programming problems are from STDIN and output to STDOUT....



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