All Around Passionate Polyglot Engineers

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

• Build campaign generation services which can send app notifications at a speed of 10 million a minute
• Dashboards to show Real time key performance indicators to clients
• Develop complex user segmentation engines which creates segments on Terabytes of data within few seconds
• Building highly available & horizontally scalable platform services for ever growing data
• Use cloud based services like AWS Lambda for blazing fast throughput & auto scalability
• Work on complex analytics on terabytes of data like building Cohorts, Funnels, User path analysis, Recency Frequency & Monetary analysis at blazing speed
• You will build backend services and APIs to create scalable engineering systems.
• As an individual contributor, you will tackle some of our broadest technical challenges that requires deep technical knowledge, hands-on software development and seamless collaboration with all functions.
• You will envision and develop features that are highly reliable and fault tolerant to deliver a superior customer experience.
• Collaborating various highly-functional teams in the company to meet deliverables throughout the software development lifecycle.
• Identify and improvise areas of improvement through data insights and research.

• 2-5 years of experience in backend development and must have worked on Java/shell/Perl/python scripting.
• Solid understanding of engineering best practices, continuous integration, and incremental delivery.
• Strong analytical skills, debugging and troubleshooting skills, product line analysis.
• Follower of agile methodology (Sprint planning, working on JIRA, retrospective etc).
• Proficiency in usage of tools like Docker, Maven, Jenkins and knowledge on frameworks in Java like spring, spring boot, hibernate, JPA.
• Ability to design application modules using various concepts like object oriented, multi-threading, synchronization, caching, fault tolerance, sockets, various IPCs, database interfaces etc.
• Hands on experience on Redis, MySQL and streaming technologies like Kafka producer consumers and NoSQL databases like mongo dB/Cassandra.
• Knowledge about versioning like Git and deployment processes like CICD.

Oddr is looking for an experienced senior full-stack engineer to help us build scalable multi-tenanted enterprise Cloud applications. The ideal candidate should be able to bring new ideas to the table and design and develop distributed microservices with a strong emphasis on security, resiliency, scalability, performance, and quality. As a senior engineer, the candidate should be able and willing to mentor and guide fellow team members on best practices like code styling, efficiency, and testability as the team scales and grows. The candidate should demonstrate leadership qualities, be a self-motivated team player, and take pride in what they deliver.

The candidate should be interested in a long-term stable career to grow with our company. The candidate will need to work late night hours because of the geographic distribution of the team.

Requirements:

• Strong proficiency in .NET Core and C#
• Strong proficiency in React.js and its core principles
• Solid understanding of JavaScript/TypeScript, CSS, HTML, and other standard frontend technologies and tools
• Experience with backend and frontend test automation frameworks and tools
• Strong knowledge of Cloud development concepts
• Experience with successful end-to-end delivery of web applications in the Cloud. Azure knowledge is a strong plus.
• Experience with API-driven development and developing RESTful APIs
• Experience with database design and writing complex SQL
• Ability to write clean, well-structured code with adequate test coverage, proper abstraction, and reusability
• Ability to work to tight deadlines, manage priorities, and take responsibility for delivering to time and quality requirements
• Good understanding and experience with Agile development methodologies
• Ability to understand business requirements and translate them into technical requirements
• Excellent communication skills
• Excellent problem-solving skills

Minimum qualifications required:

• Bachelor's degree in Computer Science from a reputable institute. Master's preferred.
• 5 years of experience. 7 years preferred.

Job description:

Job Title/Designation/Position: Dotnet Developer / Sr. Dotnet Developer

Total Experience: 4-8 years

Relevant Experience: 4-8 years

Job Location: Pune/Hyderabad/Bangalore & Hyderabad

Skills/Qualifications:

Primary Skills (Must have):

• C# with good understanding of OOPS, design patterns and multi-threading
• ASP.Net MVC, WEBAPI, RESTful services, JavaScript, jQuery
• .Net Framework
• Advanced knowledge of Microsoft SQL Server
• Knowledge of Unit Testing and Automated tests (nUnit)
• Knowledge of SQL Server/Oracle database and able to write Store-Procedures
• Strong analytical and problem-solving skills

•         Good analytical skills along with Excellent written and verbal communication skills in English

• Bachelor’s Degree in Engineering /Technology / MCA

Secondary Skills (Nice to have):

• HTML5
• CSS3
• Node JS

Responsibilities:

• Writes high quality code & unit tests, builds, tests as per agreed timelines
• Participates in technical design and provides estimation
• Owns one or more small to medium features
• Becomes a go-to person in at least one area
• Communicates clearly and gets clarification upfront to minimize rework. Knows when to ask for help to unblock.
• Consistently follows and promotes SDLC best practices: Coding standard, testing, code reviews, code comments etc.
• Exhibit strong problem solving skills, helps other developers and demonstrates teamwork

Requirements:

• Understands detailed requirements and demonstrates excellent problem solving skills
• Deep understanding of software engineering practices, Design Patterns, Data Structures, Algorithms
• Excellent programming skills in ROR, Golang, NodeJS, Python
• Strong communication skills
• Strong sense of ownership, drive and ability to deliver results
• 4+ years of experience in product driven organization
• A Bachelors or Masters degree in engineering from a reputed institute
• Experience in Golang, RoR, Unity, ML or Python will be an added advantage

Responsibilities

· Excellent knowledge of Core Java and Spring

· Candidate should have a working knowledge of web services

· Should have worked in the distributed agile model and continuous integration

· Should have knowledge of designing and implementation of REST Web services

· Strong experience with REST API and web services

· Should be efficient with Java J2EE and related technologies.

Essential Requirements

· Strong Core Java and spring.

· Strong RESTFUL web service experience

· Strong SQL (preferably Oracle), JQuery, HTML/CSS, Oracle Restful, SOAP web services

· B. Tech/M. Tech from Tier-1 colleges like IIT, NIT, VIT, BIT

Primary Skill: Java, spring & RESTFUL Web services,

About the Company

Leap Info Systems Pvt. Ltd. - A software product company with its products and solutions in the convergent lighting controls and automation. Recently Leap acquired elitedali – worlds first Niagara based lighting controls and automation solution, from one of the leading US organization.

We are a passionate team on a mission to develop innovative controls and automation products. We are expanding our product development team and are in search of like-minded highly passionate team members who would like to contribute to the leading lighting controls and automation product. We have customers in India, Europe, USA, and Australia.

Eligibility

Any suitable graduates (0 to 2 years experienced) who meet prescribed qualities and job responsibilities. Preferred but not limited to engineering graduate in Computer/IT/Instrumentation/EnTC etc.
Job Responsibilities

Be a part of the product development team for maintaining as well as developing new products based on JAVA and Niagara Software framework.

Qualities

• Self-Learner
• Analytical skills
• Able to work with Cross-functional team
• Problem-solving approach
• Good Team Player with Positive vibes

What you must have,

• Hands-on programming at academic or at the hobby level.
• Good knowledge of Java/J2EE related technologies
• Good knowledge of solution-based approaches
• Good communication skills - phone, email and in-person.

What you can expect from LEAP,

• Positive conducive working environment to grow with cross-functional team members.
• Flexi working hours with defined responsibilities.
• Opportunity to work with leading open standard automation framework like Niagara Software, Lighting controls technologies like DALI, Wireless etc
• Be the active part of an emerging global product company