Backend Developer

Company Name – Wissen Technology

Group of companies in India – Wissen Technology & Wissen Infotech

Work Location - Senior Backend Developer – Java (with Python Exposure)- Mumbai

Experience - 4 to 10 years

Kindly revert over mail if you are interested.

Java Developer – Job Description

We are seeking a Senior Backend Developer with strong expertise in Java (Spring Boot) and working knowledge of Python. In this role, Java will be your primary development language, with Python used for scripting, automation, or selected service modules. You’ll be part of a collaborative backend team building scalable and high-performance systems.

Key Responsibilities

• Design and develop robust backend services and APIs primarily using Java (Spring Boot)
• Contribute to Python-based components where needed for automation, scripting, or lightweight services
• Build, integrate, and optimize RESTful APIs and microservices
• Work with relational and NoSQL databases
• Write unit and integration tests (JUnit, PyTest)
• Collaborate closely with DevOps, QA, and product teams
• Participate in architecture reviews and design discussions
• Help maintain code quality, organization, and automation

Required Skills & Qualifications

• 4 to 10 years of hands-on Java development experience
• Strong experience with Spring Boot, JPA/Hibernate, and REST APIs
• At least 1–2 years of hands-on experience with Python (e.g., for scripting, automation, or small services)
• Familiarity with Python frameworks like Flask or FastAPI is a plus
• Experience with SQL/NoSQL databases (e.g., PostgreSQL, MongoDB)
• Good understanding of OOP, design patterns, and software engineering best practices
• Familiarity with Docker, Git, and CI/CD pipelines

• 3+ years of working experience using NodeJS
• Knowledge on Express and/or React Js added advantage
• Experience in MongoDB and/or Postgres
• Experience in designing and developing serverless applications
• Knowledge of SOLID principles, Design patterns
• Good debugging skills using modern Dev Tools
• Experience with RESTful API development and integration
• Microservice experience is preferred
• Experience in Unit tests, code reviews
• Experience in cloud platforms – AWS is a plus
• Ability to up-skill in new technologies
• Innovative thinker with strong problem-solving skills

• NodeJS 
• NPM
• RESTful API
• Microservice
• MongoDB
• Postgres

Job Title: Lead – Application Engineering

Remote | Chennai | Hyderabad | Bangalore

Tiger Analytics is a global AI and analytics consulting firm. With data and technology at the core of our solutions, our 2800+ tribe is solving problems that eventually impact the lives of millions globally. Our culture is modelled around expertise and respect with a team-first mindset. Headquartered in Silicon Valley, you’ll find our delivery centres across the globe and offices in multiple cities across India, the US, the UK, Canada, and Singapore, including a substantial remote global workforce. 

We’re Great Place to Work-Certified™. Working at Tiger Analytics, you’ll be at the heart of an AI revolution. You’ll work with teams that push the boundaries of what is possible and build solutions that energize and inspire.

Curious about the role? What your typical day would look like?

We are looking for Tech Leads working with our Application Engineering team, designing, and developing a variety of applications. More specifically, you will:

• Determine the functional, non-functional requirements and scope working with the business analysts and engineering managers
• Design and develop multi-tier, cloud-native, high performance, and scalable solutions
• Apply software engineering principles, design patterns and best practices to build solutions that are testable, secure, and robust
• Lead cross functional agile teams across the software development lifecycle
• Evaluate design alternatives using proof of concepts and collaborate with architects to choose optimal solutions
• Performing design and code reviews
• Collaborate with project/program managers to estimate, plan, and mitigate technical risks at module/project level
• Mentor and groom developers to deliver high quality solutions

What do we expect? 

• Years of Experience: 5+ years
• Relevant hands-on experience with one of more of the following:
• Programming Languages – Python with Django / Flask / Java / C#.net
• Web server technologies - Node.js / Nginx
• Database technologies - MySQL / Oracle / PostgreSQL / MongoDB
• Testing frameworks – Junit/ Selenium
• Cloud environments - AWS / Azure / GCP (Good to have)
• Good understanding of API design and development

You are important to us, let’s stay connected!

Every individual comes with a different set of skills and qualities so even if you don’t tick all the boxes for the role today, we urge you to apply as there might be a suitable/unique role for you tomorrow. 

We are an equal opportunity employer. Our diverse and inclusive culture and values guide us to listen, trust, respect, and encourage people to grow the way they desire. 

Skills: 

Strong knowledge of MYSQL/PostGreSQL; Knowledge of MongoDB, Redis, Couch DB is preferred. 

Expertise in application development, databases, version control, and deployment. Skill - Node.js, 

Experience of AWS or GCP - especially services such as Lambda or google app engine 

Solid grasp of Service-oriented architecture. Web Services implementation on a medium to large scale 

Solid understanding of scaling mobile app services. Having worked the backend of an Android app is preferred 

Culture: 

Ability to work independently with minimal supervision 

Happy to deal with, and contribute to, an environment of daily builds Has worked in small teams, is versatile. Work within short timelines and be receptive to business needs. Can work closely with Digital, Product, Operations teams. 

Desirable Social Attributes: 

Has contributed to one or more Open Source projects through own initiative. Has provided a high quality answer to a question posted on StackOverflow. 

Role: 

As a Software Developer who would work independently, the candidate is expected actively acquire problems and deliver solutions as well as guide the team technically. Such a problem solver would obviously be a self starter with a high level of curiosity rather than a programming language specialist. 

He/she would be required to produce software of the highest quality through self-discipline, clear and engaged communication, and attention to detail. The role would include custom web application development on (most typically on Node.js and PHP/Python), databases (most typically MySql and MongoDb), version control (github), testing (necessarily through test scripts written before code is written), daily builds and eventual deployment onto AWS or GCP. 

Attributes of the ideal candidate: 

Highly productive software developer with the proven aptitude to understand and apply technology 

Determination to succeed despite obstacles and challenges, and a positive attitude favoring achievement of goals over open-ended investigation 

Always learning, evolving, and sharing what you know 

Inspired by complex, varied problems and rapid change 

Open-minded, flexible, and curious about new and better ideas

We focus on client adoption of disruptive technologies, technology architecture and providing specialized skills related to integration, custom software engineering, testing, application modernization, agile and more. We help our clients with the most complex projects including working in open web platforms, DevOps platforms as well as intelligent Computing and Architecture enhancement.

We are looking for hands on, smart thinking Applications developer to join our fast-growing team of talented professionals. You will have the opportunity to work on large enterprise solutions and deliver solutions that deliver business performance for our customers.

WORK YOU’LL DO

• Design and develop microservices/APIs using either Java/Spring boot, ISTIO, Kubernetes, Docker, CI / CD Pipelines
• You would scale micro services using Kafka or similar messaging systems.
• Collaborate with clients, architects, and application architectures to understand the operational objectives and purpose of the future system integration.
• Understand the points of integration between the different systems and highlight the potential risks associated with the delivery of solutions
• Collaborate with Functional Designers and Developers in order to find best solutions
• Produce detailed functional and technical specifications.
• Assist in producing solutions with threat assessments and associated security awareness.
•  

WHAT WE ARE LOOKING FOR

• 5- 8 years of hands-on experience designing and developing microservices using either Java/Spring Boot
• 3-5 years of experience with system integration
• Minimum of 3 years of relevant experience with API concepts and technologies such as REST, JSON, XML, SOAP, YAML, GraphQL, and Swagger
• Experience developing within agile methodology using CI/CD pipeline
• Experienced in 3-tier, n-tier, cloud computing, microservices architectures and SOA.
• Good knowledge of integration architectures
• Experience supporting and/or implementing complex integration projects
• Excellent client management skills
• Experience with Data modelling would be an asset

QUALIFICATIONS

• Experience of working in an Agile Environment
• Ability to drive design from Stories and Requirements
• Adept at UML, Design Patterns, Reusable Services Development,
• Knowledge on Scaling Microservices

Responsibilities:

• Write well designed, testable, scalable and efficient code and oversee assigned programs (e.g. conduct code review) and provide guidance to team members
• Apply design principles to ensure code modularity and error handling at appropriate levels
• Communicate software requirements to development teams
• Evaluate and select appropriate software or hardware and suggest integration methods
• Address technical concerns, ideas and suggestions and provide technological solution to it
• Monitor systems to ensure they meet both user needs and business goals
• Design the overall structure of the platform and oversee programs to ensure the proper implementation of the architecture

Desired Skills and Experience

• 2-7years of relevant experience in an online start-up with a record of substantial achievements

in the specific role

• Strong programming foundation in PHP, MySQL, Oops Concepts and can develop core PHP based applications
• Must have worked on MVC frameworks – Laravel, CodeIgniter, Cake PHP or Zend.
• Experience with JavaScript and jQuery for producing AJAX applications.
• HTML5, CSS3, XML knowledge is mandatory
• Ability to make modifications to the systems with little or no interruption of service
• Solid exposure to API integrations and familiar with various design & architectural patterns
• Understanding fundamental design principles behind a scalable application
• Ability to thrive in a fast-paced, deadline-driven environment

Designing and developing high-volume, low-latency applications for
critical systems and delivering high-availability and performance
• Contributing in all phases of the development lifecycle
• Writing well designed, testable, efficient code
• Test cases should be upto the mark
• Performance tuning knowledge is a must. Experience is an added advantage.
• In Backend – fundamentals of all languages is a must• Good hands-on software development experience with proven working experience
in Python development
• Expert in Python, with knowledge of at least one Python web framework (such
as Django, Flask)
• Familiarity with some ORM (Object Relational Mapper) libraries
• Able to integrate multiple data sources and databases into one system
• Understanding of the threading limitations of Python, and multi-process
architecture
• Strong unit test and debugging skills
• Basic understanding of front-end technologies, such as JavaScript, HTML5, and
CSS3
• Understanding of memory model/GC from performance point of view.