Principal Software Engineer

Job Title: Senior Java Developer

Location: Mumbai (On-site)

Notice Period: Immediate Joiners Preferred / 15 Days or Less

Job Description:

We are seeking a highly skilled and experienced Senior Java Developer with 5+ years of hands-on experience in Java-based application development. The ideal candidate should be adept at designing scalable systems, optimizing performance, and leading development efforts in collaboration with cross-functional teams. This is a full-time, on-site position for candidates currently residing in Mumbai and available to join within 15 days.

Key Responsibilities:

• Lead end-to-end design, development, and deployment of Java applications
• Translate functional and technical requirements into detailed design
• Build scalable, secure, and high-performing applications
• Develop and consume RESTful APIs and ensure seamless integration
• Implement microservices architecture and containerized deployments
• Write clean, efficient, and well-documented code
• Perform code reviews, debugging, and performance tuning
• Collaborate with DevOps for CI/CD and production deployments
• Guide junior developers and conduct knowledge-sharing sessions
• Stay updated on new technologies and industry trends

Required Technical Skills:

• Languages & Frameworks:
• Core Java, J2EE
• Spring Framework (Spring Boot, Spring MVC, Spring Security)
• Hibernate / JPA
• Apache Maven / Gradle
• API Development & Integration:
• RESTful APIs, JSON, Swagger/OpenAPI
• Databases:
• MySQL, PostgreSQL, Oracle
• MongoDB, Redis (preferred)
• Frontend Exposure (Optional but Preferred):
• HTML, CSS, JavaScript, jQuery
• Angular / React
• Tools & Platforms:
• Git, GitHub / GitLab / Bitbucket
• Jenkins, Docker, Kubernetes (basic knowledge)
• SonarQube, Log4j, ELK stack (preferred)
• Cloud & DevOps (Good to Have):
• AWS (EC2, S3, Lambda, RDS), Azure or GCP
• CI/CD pipeline setup
• Architecture & Patterns:
• Microservices, MVC, Design Patterns
• Event-driven architecture (Kafka/RabbitMQ is a plus)
• Testing:
• JUnit, Mockito
• Postman, REST Assured

Soft Skills:

• Excellent problem-solving and debugging skills
• Strong communication and collaboration abilities
• Ability to lead and mentor a team
• Time management and task prioritization
• Adaptable and quick learner

Qualifications:

• Bachelor’s/Master’s degree in Computer Science, Engineering, or related field
• 5+ years of relevant software development experience
• Relevant certifications (Oracle Java, AWS, PMP) are a plus

Eligibility Criteria:

• Must be currently residing in Mumbai
• Must be able to join within 15 days or less
• Immediate joiners preferred

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

Software Development Engineer:

Major Responsibilities:

• Translation of complex functional requirements into technical requirements, implementing and maintaining a coherent and progressive development strategy for our product line
• Design, develop and maintain complex systems using best of the breed development practices and technology.
• Responsible for the over-all software development life cycle.
• Delivery of High Quality, Scalable and Extensible systems and applications on-time and on-budget.
• Adoption and Evolution of the software engineering practices and tools within the organization
• Keep in sync with the latest technology developments and open source offerings. Evaluate and adopt them for solving business problem of organization.
• Collaborate with other technology and business teams within the organization to provide efficient robust solutions to the problems.
• Drive and manage the bug triage process
• Report on status of product delivery and quality to management, customer support and product teams.

Desired Skills

• Strong programming, debugging, and problem-solving skills
• Strong understanding of data structures and algorithms
• Sound understanding of object-oriented programming and excellent software design skills.
• Good experience of SOA/Microservices/Restful services and development of N-tier J2EE / JavaSpringboot applications (API’s).
• Strong understanding of database design and SQL (mySql/mariaDB) development
• Good to have knowledge of NoSQL technologies like MongoDB, Solr, Redis, Cassandra or any other NoSQL database
• Knowledge of design patterns and good to have experience of large-scale applications
• Should have experience in Apache Kafka, RabbitMQ or other Queueing systems.

Ideal Experience

• 3 to 8 years of industry experience.
• Bachelors or Master’s Degree in Computer Science/ IT
• Drive discussions to create/improve product, process and technology
• Provide end to end solution and design details
• Lead development of formalized solution methodologies
• Passion to work in startup like environment

Personal Characteristics

• Passion and commitment
• Strong and excellent software design intellect
• High integrity
• Self-starter

Senior Python Developer (6 + Years Experience)

Core Skills:

• Strong Python experience and understanding of modern design patterns, abstractions, object oriented programming at scale.
• Strong understanding of event based/async architectures (Kafka, WebSockets)
• Database interactions
• Working understanding of infrastructure as code (terraform ) and how develop code that will be deployed by IAC.
• Working understanding of Kubernetes including containerization, deploying, debugging services running on k8s.

Preferred:

• Working GCP experience including GKE, GCE, Cloud functions/cloud run, IAM.
• Git required
• CICD and automation experience; stack includes Jenkins, Terraform, Argo, Harness.

Senior Software Engineer (Java)

We are looking for a Senior Software Engineer - Java

If you're a creative problem solver who is eager to develop amazing products and hungry for a new adventure, a word class workplace is waiting for you in the heart of Kolkata.

An exhaustive list of expectations :

✓ Design and implement cutting-edge applications

✓ Participate in code reviews and application debugging and diagnosis.

✓ Practice modern software development methodologies such as continuous delivery, and scrum.

✓ Collaborate with product managers and engineers to build scalable systems enabling innovative ordering experiences.

Requirements -

✓ Knowledge and 5+ years of experience in developing Java applications

✓ A completed technical degree in Computer Science or any related fields.

✓ Profound knowledge and working experience with Java Frameworks (Springboot) and SQL databases.

✓ Solid experience in the design and implementation of Restful APIs and design patterns.

✓ Strong knowledge in Core Java, REST , Spring Framework, Spring Boot Microservice , JPA (e.g. Hibernate, OpenJPA, etc.) , Docker, Jenkins, ELK Stack

✓ Experience working with NoSQL Technologies and interest in Elasticsearch, and Microservices architectures.

✓ Curiosity, out of box problem-solving abilities, and an eye for detail.

✓ Passion for clean code

What really makes us interested in you - You are self-motivated. You think like an entrepreneur, constantly innovating and driving positive change, but more importantly, you consistently deliver stupendous results.

Number of position – 3

Job Location – kolkata, Sector 5

ROR :: JD

Immediate Joiner

• Having experience on Ruby on Rails.
• Strong SQL skills with MySQL or PostgreSQL
• Knowledge on MongoDB an advantage.
• Experience with TDD (test driven development) or RSpec.
• Having experience on REST/API.
• JRuby experience is an advantage
• Knowledge on Exilir and functional programming a plus and JRuby is an advantage.
• Experience using Git productively in a team environment.
• Experience into Amazon web services
• Knowledge on Jenkins is an advantage.
• Knowledge on Docker.
• Excellent analytical and problem-solving skills

Programming Languages: Perl, java. Perl programming with strong OOPs knowledge.

UI: HTML, JS
System: Linux must have – good knowledge and shell scripting experience.
Prior experience in infrastructure automation, monitoring will definitely help.


Description:

The person in this role:


- Will be involved in developing new monitoring scripts, enhancement & defect fixes on existing monitors

- Have to be on-call to support any incoming production/P1 internal issues which need urgent attention (team members are on call for a week and we have a weekly rotation policy within the team)
Preferred skills:

- Perl
- Shell scripting

- Unix

- Jenkins