Java Backend Developer

About Us:

MyOperator is a Business AI Operator and a category leader that unifies WhatsApp, Calls, and AI-powered chat & voice bots into one intelligent business communication platform.

Unlike fragmented communication tools, MyOperator combines automation, intelligence, and workflow integration to help businesses run WhatsApp campaigns, manage calls, deploy AI chatbots, and track performance — all from a single, no-code platform.Trusted by 12,000+ brands including Amazon, Domino’s, Apollo, and Razorpay, MyOperator enables faster responses, higher resolution rates, and scalable customer engagement — without fragmented tools or increased headcount.

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 a 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

Dear candidate,

Wissen Technology is looking for experienced Java developers to join our team!

For Mumbai / Banglore Location

Name:

Experience (Excluding Internship):

Current company:

Last working Day:

Official Notice Period:

Holding any offers:(Yes/No):

Current CTC:

Expected CTC:

If you are not currently looking out for opportunities kindly pass on my Mail ID to interested candidates.

For any further questions please reach out to me on my mail. )

Thanks & Regards,

Siddhesh Ambre

Talent Acquisition

Wissen Technology

Job Responsibilities:

• Microservices Development: Contribute to the design, development, and testing of RESTful microservices using Java 14+, Spring Boot, and Spring Cloud.
• Cloud Integration: Assist in building and deploying services that integrate with AWS ecosystem services, including S3, SQS, SNS, API Gateway, ElasticSearch, and Secrets Manager.
• System Resilience: Help implement patterns for fault tolerance and latency tolerance using NetflixOSS tools such as Hystrix for circuit breaking and Ribbon for client-side load balancing.
• API Gateway & Service Discovery: Work with tools like Zuul for routing and filtering and implement service registration/discovery using Eureka.
• Security: Support the integration of authentication and authorization mechanisms using OAuth 2.0via Spring Cloud Security.
• Distributed Tracing: Utilize monitoring tools like Sleuth and Zipkin to help track requests across multiple services and diagnose performance bottlenecks.
• Asynchronous Messaging: Develop event-driven components using messaging platforms like Kafka and RabbitMQ.
• Code Quality & Collaboration: Write clean, maintainable, and well-tested code. Participate in code reviews, sprint planning, and other Agile ceremonies using tools like JIRA and Git.
• Collaboration: Work closely with cross-functional teams, including QE and DevOps, to ensure smooth deployment and operation of services.

Qualifications & Skills:

• 4 Years to 6 year of professional experience developing applications with Java.
• Hands-on academic or project experience with Spring Boot and an understanding of the Spring ecosystem (Spring Web, Spring Data JPA, Spring Core).
• Familiarity with building and consuming RESTful APIs.
• Basic understanding of microservices architecture principles.
• Exposure to cloud platforms, preferably AWS, and an interest in services like S3, SQS, or SNS.
• Knowledge of fundamental distributed systems concepts (caching, messaging, load balancing).
• Familiarity with version control systems, preferably Git.
• Strong problem-solving skills and a keen desire to learn new technologies.
• Excellent communication and teamwork skills.

Elocity is a cleantech start-up striving to make the world a better place through technology innovations. We are building a global infrastructure for making the transition to electric vehicles viable, affordable, and sustainable by working closely with the utilities, governments, and public.

Headquartered out of Canada, we are a team of highly specialized domain experts and problem solvers enabling utilities, public and private sector entities to successfully manage the demands of electric vehicle charging and its infrastructure needs to pave the way for electromobility in future.

To know more visit https://elocitytech.com/

Responsibilities:

• Determines technical feasibility of features or solutions by evaluating problem, customer requirements, possible solutions and technology requirements.
• Exercises judgement in prioritizing tasks and selecting methods and techniques for obtaining solutions.
• Create low-level design of modules of a software application through proper documentation and
• diagrams.
• Develops software solutions by studying requirements, clarifying customer/user needs, analysing data
• and processes and following established software development practices and processes.
• Develops proof of concepts for technical evaluation and early customer feedback
• Updates and shares knowledge by studying state-of-the-art development tools, programming
• techniques, and computing technology; reading professional publications
• Networks with internal and external personnel in own area of expertise.
• Skills:
• Good command in JavaScript/TypeScript. Knowledge of Java/Python will be a plus.
• Experience in Debugging/troubleshooting TypeScript code.
• Experience in API development (REST/GraphQL etc)
• Experience in development of Web and Mobile(android/iOS) applications
• Exposure of Parallel and Asynchronous programming
• Experience in writing Unit tests (Jest or any similar framework)
• Should be proficient in relational Database concepts (Postgres etc.)
• Knowledge of Non-relational Databases would be a plus.
• Good Understanding of Object-Oriented Programming Concepts.
• Good Understanding of Design Patterns.
• Good command of Data structures, Algorithms and Complexity.
• Good at problem solving and analytical skills.
• Experience with Source Code Versioning systems (Git etc)
• Understanding of Micro services Architecture would be a plus 

Job description

JD - Java Developer (Backend Developer)

Technical Requirement:

• At least 5 years of experience in Java, J2EE technologies.
• Expertise in doing development using Java, Spring Boot, Spring modules (Spring Security, Spring MVC, Spring Data JPA, etc.), Hibernate, Web Services
• Worked on REST web services.
• Worked on application server : Tomcat
• Worked on Eclipse IDE
• Knowledge of Swagger, Postman
• Worked on Database like MySQL
• Worked on Git, Maven, CI/CD pipelines
• Good to have knowledge of using Docker and Mongo DB

Overall Roles & responsibilities:

• Consult with client team to understand business requirements and with solution architects / team lead to understand the application architecture.
• Develop/code applications following specifications using the appropriate tools and adhering to the standard coding standards.
• Coordinate unit testing, integration testing and bug fixing with the development and quality assurance team.
• Plan for defect fixes as per priority and severity mentioned by QA team.
• J Attend daily scrum meeting with entire team and client.

Primary Role

• As an SSRS Report Engineer, the primary job role is to develop a transactional data report using Microsoft SQL Service Reporting Service 2016 or above.
• This includes developing high performing Stored Procedures, Functions, and corresponding reporting formats.
• Required to design the required logics for the queries and collaboratively coordinate with the rest of the team.

Main Duties / Responsibilities

• Design & implement high performing T-SQL queries as per the functional specification.
• Create Technical Specification.
• Effective troubleshooting of technical issues and bugs.
• Package deployment and release management.
• Provides technical support to customers.
• Participate in Requirements discussions.
• Must be able to manage timelines and task priorities.
• Attention to detail and maintaining high-quality standards is a must.

TECHNICAL KNOWLEDGE

• Experience in Microsoft SQL Server 2016 (or above) and Microsoft SQL Service Reporting Service 2016 (or above).
• Knowledge of T-SQL including complex SQL queries, stored procedures, views and functions.
• Experience with usage of indexes and T-SQL performance tuning techniques.

QUALIFICATIONS

• Bachelor’s Degree or an equivalent qualification

• Hand on experience on .NET core
• Experience in C#
• Looking for experience into No Sql.

• 3+ years of building sophisticated, world-class, highly reliable multi-tenant software systems that have stood the test of time.
• From being highly proficient to being an expert in at least one OOPS language, SOLID principles, and design patterns, C#, Dotnet core, WebAPI, NoSQL.
• Experience with microservices architecture OR distributed systems.
• Strong analytical and problem-solving skills.
• Ability to work independently.