


About Us:
MyOperator and Heyo are India’s leading conversational platforms empowering 40,000+ businesses with Call and WhatsApp-based engagement. We’re a product-led SaaS company scaling rapidly, and we’re looking for a skilled Software Developer to help build the next generation of scalable backend systems.
Role Overview:
We’re seeking a passionate Python Developer with strong experience in backend development and cloud infrastructure. This role involves building scalable microservices, integrating AI tools like LangChain/LLMs, and optimizing backend performance for high-growth B2B products.
Key Responsibilities:
- Develop robust backend services using Python, Django, and FastAPI
- Design and maintain scalable microservices architecture
- Integrate LangChain/LLMs into AI-powered features
- Write clean, tested, and maintainable code with pytest
- Manage and optimize databases (MySQL/Postgres)
- Deploy and monitor services on AWS
- Collaborate across teams to define APIs, data flows, and system architecture
Must-Have Skills:
- Python and Django
- MySQL or Postgres
- Microservices architecture
- AWS (EC2, RDS, Lambda, etc.)
- Unit testing using pytest
- LangChain or Large Language Models (LLM)
- Strong grasp of Data Structures & Algorithms
- AI coding assistant tools (e.g., Chat GPT & Gemini)
Good to Have:
- MongoDB or ElasticSearch
- Go or PHP
- FastAPI
- React, Bootstrap (basic frontend support)
- ETL pipelines, Jenkins, Terraform
Why Join Us?
- 100% Remote role with a collaborative team
- Work on AI-first, high-scale SaaS products
- Drive real impact in a fast-growing tech company
- Ownership and growth from day one

About MyOperator - VoiceTree Technologies
About
MyOperator is India's cloud communications leader trusted by 10000+ businesses. MyOperator offers an omni-channel SAAS platform with:
- Cloud Call Center/ Contact Center Software
- WhatsApp API
- IVR and Toll-free Number
- Multi-store telephony
- Enterprise Mobility
MyOperator has been adopted by 10000+ businesses including IRCTC, Razorpay, Amazon, PwC, E&Y, Apollo and more.
MyOperator has been rated as a champion in India's cloud communications segment(Software Suggest), awarded for ease of use by Capterra and for exceptional customer service at UBS India BPO Conclave.
In 2022, MyOperator launched SMB focused conversation app Heyo Phone backed by super-angels Amit Chaudhary (Lenskart), Aakash Chaudhry(Aakash-Byjus)
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Key Responsibilities
- Experience working with python, LLM, Deep Learning, NLP, etc..
- Utilize GitHub for version control, including pushing and pulling code updates.
- Work with Hugging Face and OpenAI platforms for deploying models and exploring open-source AI models.
- Engage in prompt engineering and the fine-tuning process of AI models.
Requirements
- Proficiency in Python programming.
- Experience with GitHub and version control workflows.
- Familiarity with AI platforms such as Hugging Face and OpenAI.
- Understanding of prompt engineering and model fine-tuning.
- Excellent problem-solving abilities and a keen interest in AI technology.

Position of the role
The Principal Engineer reports to the Domain Lead and plays a key role in driving the technical vision, strategy, and execution of development initiatives. The Principal Engineer collaborates with multiple teams to ensure that software solutions are scalable, cost-optimized, performant, and aligned with business objectives.
Result expectation in terms of result areas and core activities
The Principal Engineer is responsible for defining, designing, and overseeing the implementation of complex software solutions. This role involves deep technical expertise, mentorship, and architectural guidance across multiple teams. The Principal Engineer also acts as a thought leader, influencing technology choices, best practices, and innovation within the organization.
Main objectives of the role
✔ Leading the design and architecture of the software by following best practices that ensure scalability, maintainability, cost optimization, and high performance.
✔ Driving innovation and continuous improvements in software development practices.
✔ Providing technical mentorship and coaching to engineers across teams.
✔ Ensuring the successful delivery of high-quality software aligned with business requirements.
✔ Defining and maintaining coding standards, best practices, and governance frameworks.
✔ Collaborating with product management and other stakeholders to shape the technical roadmap.
✔ Identifying technical debt and implementing strategies to mitigate it effectively.
✔ Promoting a culture of continuous learning, knowledge sharing, and cross-team collaboration.
✔ Leading DevOps, CI/CD, and automation to improve software delivery processes and efficiency.
Specialisation
✔ Deep understanding of software architecture, system design, and performance optimization.
✔ Translating complex business requirements into scalable and efficient software solutions.
✔ Handling large data transformations and ensuring system efficiency under the required load conditions.
✔ Leading initiatives for modernizing the technology stack and implementing best practices.
✔ Ensuring that security, scalability, and maintainability are embedded into development processes.
✔ Driving research and development efforts to explore emerging technologies and their business impact.
✔ Enabling teams to develop and maintain high-quality software through code reviews, architecture guidance, and technical strategy.
✔ Collaborating with product owners and stakeholders to ensure that development aligns with business goals and user needs.
Key processes in the role
✔ Agile / Scrum / Kanban development methodologies.
✔ CI/CD and DevOps practices to streamline delivery.
✔ Cloud-native architecture, monolith and microservices-based development.
✔ Scalable and high-performance computing strategies.
✔ Secure software development lifecycle (SDLC).
✔ Data-driven decision-making.
✔ Performance optimization.
Key relationships (teams and/or position titles)
✔ Engineering Teams (Developers, QA, DevOps).
✔ Head of Engineering and Technology Leadership.
✔ Product Management and Business Stakeholders.
✔ Customer Success and Solution Architects.
✔ External Technical Partners and Vendors.
Requirements
✔ Bachelor's or Master’s degree in Computer Science, Software Engineering, or a related field.
✔ 10+ years of experience in software development, with a proven track record .
✔ Strong experience in Python and modern software engineering practices.
✔ Expertise in cloud computing platforms (AWS, Azure, or GCP).
✔ Experience in architecting and developing scalable, high-performance applications.
✔ Hands-on experience with CI/CD pipelines, DevOps tools, and automation.
✔ Deep understanding of microservices, monolith, APIs, and distributed systems.
✔ Strong experience with database technologies, including SQL and NoSQL.
✔ Excellent communication and leadership skills, with the ability to influence technical decisions across teams.
✔ A passion for mentoring, coaching, and fostering a strong engineering culture.
✔ Experience in defining and implementing technical governance and best practices.
Competences
✔ Strategic Thinking - 4
✔ Analytical Problem Solving - 4
✔ Technical Leadership & Mentorship - 4
✔ Communication & Collaboration - 3
Measures of success
✔ Technical leadership impact - measurable improvements in code quality, architecture, and scalability.
✔ Delivery of high-quality software within agreed timelines and business requirements.
✔ Successful mentorship - improvement in team skill levels, problem-solving capabilities, and innovation.
✔ Reduction of technical debt through strategic refactoring and modernization.
✔ Engineering team satisfaction - based on feedback and collaboration effectiveness.
✔ Improvements in system performance, stability, cost-optimization, and security.
✔ Adoption of best practices and emerging technologies across teams.
✔ Contribution to company-wide strategic initiatives through technical innovation and leadership.
At least 4 years' experience as a Node.js developer.
Experience in Microservices
Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
Mandatory experience in Postgres and MySql.
Knowledge of front-end technologies such as HTML5 and CSS3.
Superb interpersonal, communication, and collaboration skills.
Exceptional analytical and problem-solving aptitude.

- Hands-on experience in development of rest services using python
- Good knowledge Django or Flask framework
- Designing database tables and structures
- Skilled at optimizing large complicated SQL statements
- Knowledge of best practices when dealing with relational databases
- Proficient understanding of code versioning tools such as Git
- Good understanding of asynchronous request handling, partial page updates, and AJAX
- Experience in owning Code Quality and Code Review processes
- Good understanding of application debugging techniques
- Experienced in Agile methodologies
- Strong analytic, problem solving, and programming ability
- Initiative and drive to contribute
- Excellent organizational and task management skills
- Strong oral and written communication skills
- Ability to work in global cross-office teams
Additionally, we seek individuals with the following qualifications:
- Understanding of SEO and accessibility issues and how they relate to development
- Experience with NoSQL using MongoDB/Cassandra is a plus.
- Experience in working with Amazon Web Services (AWS) like S3, EMR, EC2 is preferred
We are looking for an experienced NodeJS/ExpressJS/TypeScript developer. You will work on the most
critical software development team in a fast-growing data-centric software company. You will develop high performance, highly available REST and GraphQL APIs that will deliver data to our suite of web and mobile
apps.
Duties and Responsibilities
Software Development: You will work with the engineering lead to design and develop REST and
GraphQL APIs that will serve data from MongoDB and ElasticSearch.
Automated Test Scripts: You will write automated test scripts for all of your code. You will work with
the QA manager to determine optimal code coverage.
Code Reviews: You will assist in reviewing PRs raised by other team members. You will be
responsible for ensuring that the code satisfies the documented requirements, includes the necessary
automated tests and follows our documented coding standards and best practices.
API Support: API issues will be reported manually and automatically (via alerts) to a series of Slack
channels. You will monitor these channels and create Jira tickets to diagnose and fix these issues. You
will ensure that affected API consumers are informed regularly as to the status of the open issues.
API Documentation: You (and the rest of the API team) will be responsible for keeping the API
documentation up to date.
Skills and Qualifications
Bachelor's degree in computer science, information science, or similar.
Exceptional analytical and problem-solving skills.
Great organizational and time management skills.
Extensive knowledge of NodeJS libraries and frameworks.
REST APIs: 3+ years required.
GraphQL APIs: 1+ years desired.
ExpressJS or Fastify: 2+ years required
Advanced TypeScript: 1+ years required
NodeJS: 2+ years required
Node Streams: 1+ years desired
AWS High-Availability Clusters: 1+ years desired
MongoDB: 2+ years desired
Search Engines (ES or Solr): 2+ years desired
Big Data: 1+ years’ experience querying datasets with hundreds of millions of rows desired
Mocha/Chai: 1+ years desired
Bitbucket or GitHub: 1+ years required
Role Description: The Java (Spring Boot) Developer would need to have at least 5+ years of experience.
Requirements & Responsibilities:
- 5+ years of experience developing web applications using J2EE.
- 5+ years of experience in Spring Boot.
- Good knowledge of MicroServices.
- Experience working with tools like Git, Maven.
- Expertise developing enterprise-level web applications and RESTful APIs using MicroServices, with demonstrable production-scale experience.
- Working experience in Industry Standard protocols related API Security including OAuth is a must.
- Demonstrate strong design and programming skills using JSON, Web Services, XML, XSLT, PL/SQL in Unix and Windows environments.
- Strong background working with Linux/UNIX environments.
- Strong Shell scripting experience.
- Working knowledge with Oracle, DB2 or Mongo DB databases.
- Passion to stay on top of the latest happenings in the tech world and an attitude to discuss and bring those into play.
- Strong agile/scrum development experience
- Strong collaboration and communication skills within distributed project team
- Excellent written and verbal communication skills
Required Skill Set: Microservices, Spring boot framework, Core, Lambdas, and Advanced Java.
Job Description:
1) 3-8 years of Java development experience.
2) 4+ years of microservice development experience with Spring boot framework.
3) Core & Advanced Java (Threading, Design Patterns, Data Structures) J2EE, REST web services.
4) Excellent knowledge of Enterprise Design Patterns.
5) Full stack development with Angular 8 experience will be a plus.
6) Experience with test-driven software development.
7) Exposure to the telecom domain.
8) ETOM/ SID which makes the TM Forum framework.
9) Decent communication skills.
Location: Panchkula, Mohali, Gurugram, Bangalore, Chennai, Pune, Dehradun.

- 9+ years of experience is required
- Experience in .Net application development & Architecture.
- Experience in .net core and microservices
- Experience in Azure is good to have
- Contributed towards elicitation of requirements, translate the business requirements to solution options including the technical blocks and infrastructure required in at least 2 development projects
- Should have worked and have good hands-on experience in bespoke application development in the following technologies :
- Experience with front end UI technologies like HTML5, CSS3, jQuery, TypeScript and one of Angular or ReactJS framework
- Experience with web service standards (Web API, MVC, SignalR, WCF, REST, XML, JSON and SOAP).
- Good understanding and implemetntation of software design patterns such as MVC, repository, dependency injection, inversion of control, singleton unit of work and others.
- Database Design an implementation knowledge on SQL queries, functions, packages, triggers and replication
- Should have deep understanding and experience in Microsoft technologies. Responsible for detailed technical design at a solution level.
- Automation experience on Code Review, Unit Testing and Integration testing is an added advantage.
- Should assist with technical effort estimating, creation of work breakdown structure, risks and solutions at a solution level.
- Should review design and implementation of junior designers and developers on the quality of technical deliverables and adherence to quality process
- Should have the following technological experience
- Able to build management using any version control tools such as Github, TFS or SVN.
- Experience in both Waterfall and Agile/Scrum Methodology is required.




