Java Developer

Key Responsibilities

Design, develop, and maintain scalable applications using .NET Framework / .NET Core

Work with databases using MS SQL Server, Entity Framework, and Dapper

Build and consume RESTful APIs using ASP.NET MVC / Web API

Collaborate with front-end teams using HTML, CSS, JavaScript, Angular/React

Implement cloud solutions using Microsoft Azure (App Services, Azure SQL, Web Jobs, Automation)

Conduct code reviews and mentor junior developers

Ensure application performance, security, and scalability

Follow best practices for coding, testing, and deployment

Required Skills

Strong experience in C#, .NET Framework, .NET Core

Hands-on experience with MS SQL Server

Expertise in ASP.NET MVC, Web API

Proficiency in Entity Framework / Dapper

Experience with Git or similar version control systems

Front-end experience with Angular

Experience in project leadership or team handling

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

Good to Have Skills:

• 3+ years of experience in using Java/J2EE tech stacks
• Good understanding of data structures and algorithms.
• Excellent analytical and problem solving skills.
• Ability to work in a fast paced internet start-up environment.
• Experience in technical mentorship/coaching is highly desirable.
• Understanding of AI/ML algorithms is a plus.

Overview: 

We are seeking an experienced Spring Boot developer with a passion for esports to join our team. The ideal candidate will have a strong track record of building and maintaining web applications using Spring Boot and a proven ability to work effectively in a team environment. Experience in the esports industry is a plus. 

Responsibilities: 

• Develop and maintain web applications using Spring Boot and related technologies 
• Write clean, maintainable, and efficient code 
• Collaborate with the design and product management teams to implement new features and functionality 
• Work with the DevOps team to ensure proper deployment and monitoring of applications 

• Troubleshoot and debug issues as they arise 
• Write and maintain comprehensive documentation 

Requirements: 

• Strong professional experience with Java and Spring Boot 
• Experience with building and deploying web applications 

• Familiarity with web development frameworks such as Spring MVC or Spring WebFlux 
• Experience with Git and version control 
• Strong problem-solving and communication skills 

Preferred: 

• Experience in the esports industry 

• Experience with cloud technologies such as AWS or Azure 
• Familiarity with front-end development technologies such as HTML, CSS, and JavaScript 
• Experience with data persistence technologies such as Hibernate or JPA 
• Experience with testing frameworks such as JUnit or Mockito 

• 4 year degree or equivalent experience
• 8 to 13 years of software development experience 
• Demonstrates broad and deep expertise in any programming languages(Java, GoLang) and open source frameworks (e.g., Spring Boot, Micronut).
• Designs, develops, and approves end-to-end functionality of a product line, platform, or infrastructure and microservices.
• Must have exposure to at least one cloud product/platform development.
• Working knowledge of any one client side framework like ReactJS or Angular, etc.
• Should have exposure to one or more databases like Cassandra, MongoDB, Graph, Redis, Elastic Search and Postgres.

Software Engineer - II (Backend)

As a Software Engineer – II, you'll bring a good understanding of design and coding practices and apply these independently in development. In this role - you could expect to:

• Own the lifecycle of a feature from requirement analysis to deployment and post production processes
• Perform code reviews and support your team implement best practices
• Explore trade off's on module designs
• Continuously improve performance metrics of modules owned. Performs RCAs and deploys long term fixes.
• Implement initiatives that improve engineering efficiency and excellence
• Participate in the hiring and interview process for junior developers on your team

• Extensive experience in developing Java EE application
• Hands-on experience working with Spring, Spring Boot
• In-depth knowledge of relational and NoSQL databases.
• Experience working with Java Web Services, RESTful services 
• Experience using Redis, Memcached or any other caching system
• Experience working with message brokers– preferably RabbitMQ
• Experience with infrastructure automation technologies like Docker, Kubernetes.
• Experience with build automation technologies like Maven, Gradle.

The Junior/ Senior Software Engineer will be a member of the development team for Supply Chain Application module suite. The Supply Chain modules includes components at various layers, including server-side, integration, supply chain planning engines and user-interface. This individual will be responsible for participating in module development and providing technical assistance to junior members of the team.

Experience and Skills:

• 4-10 years of of experience in writing software
• Strong analytical problem solving skills
• Strong Object Oriented Programming Skills. Good understanding of data structures and algorithms.
• Extensive knowledge of the Java programming language
• Understanding of software design patterns, J2EE components (EJB, JSP, Servlets), and XML
• Experience with relational databases (preferably Oracle) and Object/Relational frameworks. Should be able to write SQL queries, procedures, triggers and do basic performance tuning.
• Experience with C++ is a plus.
• Functional knowledge of supply chain management domain.
• Prior experience in development or consulting with an enterprise software vendor – preferably in supply chain planning or forecasting area.
• Experience with enterprise integration patterns & protocols, including SOAP, REST, JMS, EDI is a plus.
• Experience writing build & deployment scripts (e.g. Ant)
• Excellent communication (verbal and written) and interpersonal skills
• Systems implementation skills: requirements/process analysis, conceptual and detailed design, configuration, testing, training, support
• Some experience with a scripting language such as Python or Ruby preferred
• Some experience with newer web client technologies such as AJAX, EXTJS preferred.

Essential Functions:

• Producing design documents based on a requirements document and participating in design reviews
• Producing effort estimates
• Writing code, automated unit and functional tests, and build/deployment scripts
• Participating in code reviews
• Executing performance/scalability tests & profiling hotspots
• Collaborating with QA, Technical Operations and Production Support during the various phases of a project

Education:

BE/ BTech/ ME/ MTech in Engineering, Computer Science