Backend Developer - XMPP Engineer

Hiring: Lead Java Developer | Bangalore / Mumbai | Immediate Joiners

Experience: 8+ Years

Location: Bangalore / Mumbai

Education:

• Only IIT / NIT Graduates
• B.E./B.Tech Mandatory

Mandatory Skills:

• Strong Core Java Experience
• BPMN (Business Process Model and Notation)
• Experience with AI-Powered Code Generation Tools (GitHub Copilot, Cursor, etc.)
• System Design & Architecture
• Strong Problem-Solving Skills
• Experience Leading Development Teams

Requirements:

• 8+ years of hands-on experience in Java development
• Lead-level experience preferred
• Immediate joiners only
• Excellent communication and stakeholder management skills

Job Title : Python Django Developer

Experience : 3+ Years

Location : Gurgaon

Working Days : 6 Days (Monday to Saturday)

Job Summary :

We are looking for a skilled Python Django Developer with strong foundational knowledge in backend development, data structures, and operating system concepts.

The ideal candidate should have experience in Django and PostgreSQL, along with excellent logical thinking and multithreading knowledge.

Technical Skills : Python, Django (or Flask), PostgreSQL/MySQL, SQL & NoSQL ORM, REST API development, JSON/XML, strong knowledge of data structures, multithreading, and OS concepts.

Key Responsibilities :

• Write efficient, reusable, testable, and scalable code using the Django framework.
• Develop backend components, server-side logic, and statistical models.
• Design and implement high-availability, low-latency applications with robust data protection and security.
• Contribute to the development of highly responsive web applications.
• Collaborate with cross-functional teams on system design and integration.

Mandatory Skills :

• Strong programming skills in Python and Django (or similar frameworks like Flask).
• Proficiency with PostgreSQL / MySQL and experience in writing complex queries.
• Strong understanding of SQL and NoSQL ORM.
• Solid grasp of data structures, multithreading, and operating system concepts.
• Experience with RESTful API development and implementation of API security.
• Knowledge of JSON/XML and their use in data exchange.

Good-to-Have Skills :

• Experience with Redis, MQTT, and message queues like RabbitMQ or Kafka
• Understanding of microservice architecture and third-party API integrations (e.g., payment gateways, SMS/email APIs)
• Familiarity with MongoDB and other NoSQL databases
• Exposure to data science libraries such as Pandas, NumPy, Scikit-learn
• Knowledge in building and integrating statistical learning models.

ompany Name – Wissen Technology

Group of companies in India – Wissen Technology & Wissen Infotech

Job Title: Java Developer

Experience range:- 3-6 Years

Location:- Chennai

Face 2 Face Drive : Friday & Saturday (11th & 12th July 2025)

·    Strong written/verbal communication skills

·      Minimum 3+Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork joins pool and other threading concepts)

·    Good knowledge of the JVM with an understanding of performance and memory optimization.

•  Good experience in Spring boot.
•  Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).

•  Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.

•  Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.

•  Expert level understanding of Object-Oriented Concepts and Data Structures

•  Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.

What you will be doing

• Building and maintaining Java micro services.
• Develop new features and improve existing features of the application.
• Coding, Implementing, Unit Testing and Documenting Java based services.
• Design, build, and maintain efficient, reusable, and reliable Java code.
• Code reviews and ensuring adherence to software development standards.
• Contribute to team and organizational improvements in process and infrastructure.
• Participating in requirements gathering and functional specification activities.
• Resolving and helping to mitigate production issues.

What you need to be successful

• Has proven himself as a solid individual contributor and has some initial management ability
• Understands the culture and upholds it
• Well respected with the team
• Looking to grow more as a manager than as an engineer
• Split time b/w hands-on technical work and people management of a small team
• Be a role model for the people in your team
• Responsible for team mentorship, technical planning, resource allocation & project delivery
• Build solid working relationships with counterparts outside engineering
• If we shortlist you for a lead role, then you'll have to mentor SDE-1 towards their SDE-2 journey.
• Progress up to manager in 2-3 years
• Strong Data Structure and Algorithms
• Experience of building micro services architectures, developing RESTful services,continuous integration, unit and integration testing.
• Proficient with SpringBoot, Hibernate, JUnit and other Java frameworks apart from RDBMS and NoSQL databases - PostgreSQL, MongoDB
• Gauge or other BDD frameworks and experience in Fintech would be preferred.

We’re looking for a Java Backend Developer with strong experience in Spring Boot, AWS, and Microservices to join our growing team. If you're passionate about scalable backend systems and love working in a fast-paced environment, we want to hear from you!

What You’ll Bring:

• 4+ years of backend development experience
• Strong hands-on expertise in Core Java and Spring Boot
• Experience designing and developing Microservices architecture
• Solid working knowledge of AWS services
• Familiarity with RESTful APIs, version control (Git), and CI/CD
• Strong problem-solving and debugging skills
• Ability to work independently and in a collaborative team environment
• Immediate joiners are highly preferred

Backend - Software Development Engineer III

Experience - 7+ yrs

About Wekan Enterprise Solutions

Wekan Enterprise Solutions is a leading Technology Consulting company and a strategic investment partner of MongoDB. We help companies drive innovation in the cloud by adopting modern technology solutions that help them achieve their performance and availability requirements. With strong capabilities around Mobile, IOT and Cloud environments, we have an extensive track record helping Fortune 500 companies modernize their most critical legacy and on-premise applications, migrating them to the cloud and leveraging the most cutting-edge technologies.

Job Description

We are looking for passionate software engineers eager to be a part of our growth journey. The right candidate needs to be interested in working in high-paced and challenging environments leading technical teams, designing system architecture and reviewing peer code. Interested in constantly upskilling, learning new technologies and expanding their domain knowledge to new industries. This candidate needs to be a team player and should be looking to help build a culture of excellence. Do you have what it takes?

You will be working on complex data migrations, modernizing legacy applications and building new applications on the cloud for large enterprise and/or growth stage startups. You will have the opportunity to contribute directly into mission critical projects directly interacting with business stakeholders, customer’s technical teams and MongoDB solutions Architects.

Location - Chennai or Bangalore

• Relevant experience of 7+ years building high-performance back-end applications with at least 3 or more projects delivered using the required technologies
• Good problem solving skills
• Strong mentoring capabilities
• Good understanding of software development life cycle
• Strong experience in system design and architecture
• Strong focus on quality of work delivered
• Excellent verbal and written communication skills

Required Technical Skills

• Extensive hands-on experience building high-performance web back-ends using Node.Js and Javascript/Typescript
• Strong experience with Express.Js framework
• Working experience with Python web app development or python scripting
• Implementation experience in monolithic and microservices architecture
• Hands-on experience with data modeling on MongoDB and any other Relational or NoSQL databases
• Experience integrating with any 3rd party services such as cloud SDKs (AWS, Azure) authentication, etc.
• Hands-on experience with Kafka, RabbitMQ or any similar technologies.
• Exposure into unit testing with frameworks such as Mocha, Chai, Jest or others
• Strong experience writing and maintaining clear documentation

Good to have skills:

• Experience working with common services in any of the major cloud providers - AWS or GCP or Azure

Technical certifications in AWS / Azure / GCP / MongoDB or other relevant technologies

Greetings from Amazon...!                                       

It is our pleasure in personally inviting you to apply job with Amazon Development Centre India (ADCI). At Amazon we are inclined to hire people with passion for technology and you happened to be one of the shortlisted candidates. Our business is committed to recognizing potential and creating teams that embrace innovation.

Please find the Eligible criteria and requirements:

Job title                             :             SDE – II (Software Development Engineer)
Role Opportunity            :             Permanent/Full Time/FTE/Regular

Work Location                 :             Hyderabad/Bangalore/ Gurgaon

Must Have

• Strong Exposure to Data Structures, Algorithms, Coding, System Design (LLD, HLD, OOAD), Distributed systems, problem solving skills, Architecture (MVC/Microservices), logical thinking.

Amazon (ADCI) - If you are looking for an opportunity to solve deep technical problems and build innovative solutions in a fast paced environment working with smart, passionate software developers, this might be the role for you. Amazon’s transportation systems get millions of packages to customers worldwide faster and cheaper while providing world class customer experience – from checkout to shipment tracking to delivery. Our software systems include services that handle thousands or requests per second, make business decisions impacting billions of dollars a year, integrate with a network of small and large carriers worldwide, manage business rules for millions of unique products, and improve experience for millions of online shoppers. With rapid expansion into new geographies, innovations in supply chain, delivery models and customer experience, increasingly complex transportation network, ever expanding selection of products and growing number of shipments worldwide, we have an opportunity to build software that scales the business, leads the industry through innovation and delights millions of customers worldwide.

As an SDE, you will develop a deep understanding of our business, work closely with development teams and own the architecture and end-to-end delivery of software components.

About Amazon India:

Amazon teams in India work on complex business challenges to innovate and create efficient solutions that enable various Amazon businesses, including Amazon websites across the world as well as support Payments, Transportation, and Digital products and services like the Kindle family of tablets, e-readers and the store. We are proud to have some of the finest talent and strong leaders with proven experience working to make Amazon the Earth’s most customer-centric company.

We made our foray into the Indian market with the launch of Junglee.com, enabling retailers in India to advertise their products to millions of Indian shoppers and drive targeted traffic to their stores. In June 2013, we launched http://www.amazon.in">www.amazon.in for shoppers in India. With http://www.amazon.in">www.amazon.in, we endeavor to give customers more of what they want – low prices, vast selection, fast and reliable delivery, and a trusted and convenient online shopping experience. In just over a year of launching our India operations, we have expanded our offering to over 18 million products across 36 departments and 100s of categories! Our philosophy of working backwards from the customers is what drives our growth and success.

We will continue to strive to become a trusted and meaningful sales and logistics channel for retailers of all sizes across India and a fast, reliable and convenient online shopping destination for consumers. For us, it is always “Day 1” and we are committed to aggressively invest over the long-term and relentlessly focus on raising the bar for customer experience in India. Amazon India offers opportunities where you can dive right in, work with smart people on challenging problems and make an impact that contributes to the lives of millions. Join us so you can - Work Hard, Have Fun and Make History.

Basic Qualifications:

• 3+ years’ experience building successful production software systems
• A solid grounding in Computer Science fundamentals (based on a BS or MS in CS or related field)
• The ability to take convert raw requirements into good design while exploring technical feasibility tradeoffs
• Expertise in System design (design patterns, LLD, HLD, Solid principle, OOAD, Distributed systems etc..), Architecture (MVC/Micro services).
• Good understanding of at least some of the modern programming languages (Java) and open-source technologies (C++, Python, Scala, C#, PHP, Ruby etc..)
• Excellence in technical communication
• Has experience in mentoring other software developers

Preferred Qualifications:

• BS/MS in Computer Science or equivalent
• Experience developing service oriented architectures and an understanding of design for scalability, performance and reliability
• Demonstrated ability to mentor other software developers to maintain architectural vision and software quality
• Demonstrated ability to achieve stretch goals in a highly innovative and fast paced environment
• Expertise in delivering high-quality, innovative application
• Strong desire to build, sense of ownership, urgency, and drive
• Strong organizational and problem solving skills with great attention to detail
• Ability to triage issues, react well to changes, work with teams and ability to multi-task on multiple products and projects.
• Experience building highly scalable, high availability services
• The ideal candidate will be a visionary leader, builder and operator.
• He/she should have experience leading or contributing to multiple simultaneous product development efforts and initiatives.
• He/she needs to balance technical leadership with strong business judgment to make the right decisions about technology choices.
• He/she needs to be constantly striving for simplicity, and at the same time demonstrate significant creativity, innovation and judgment
• Proficiency in, at least, one modern programming language.
• Experience in SQL or Non-SQL database.
• Strong sense of ownership, urgency, and drive.
• Demonstrated leadership abilities in an engineering environment in driving operational excellence and best practices.
• Demonstrated ability to achieve stretch goals in a highly innovative and fast paced environment.
• Excellent communication, collaboration, reporting, analytical and problem solving skills.

Good to Have:

• Knowledge of professional software engineering practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations
• Experience with enterprise-wide systems
• Experience influencing software engineers best practices within your team
• Hands-on expertise in many disparate technologies, typically ranging from front-end user interfaces through to back-end systems and all points in between
• Strong written and verbal communication skills preferred

Key Points to remember:

• Strong knowledge of the Software Development Life Cycle methodology
• Technical design, development and implementation decisions on the use of technology in area(s) of specialization.
• Write or modify programming code to suit customer's needs.
• Unit test to assure meets requirements, including integration test as needed.
• Ability to understand and analyze issues and uses judgment to make decisions.
• Strong problem solving & troubleshooting skills
• Strong communication skills
• Responsible for self-development according to professional development plan

Requirement-

- Min 2.5 Years development experience on the SugarCRM / SuiteCRM platform

- Design, implement, test and maintain our CRM built on SuiteCRM

- Setup integrations to various systems

- Create and maintain software documentation

- Implement Proof of Concepts for testing business ideas

- Recommend ways to improve reliability, maintenance, efficiency, and quality

- Follow SCRUM Agile Development methodology

- Experience on large scale projects

- Expertise in security framework

- Develop new modules, components and improve functionality in existing modules

- Experience with composer and upgrade safe modules

- Experience in SuiteCRM upgrade and code optimization

- Experience with MySQL database would be preferred

- Solid knowledge of beans, workflow, logic-hooks, Reports, roles & permissions and security groups