
Java Developer – Job Description Wissen Technology is now hiring for a Java Developer - Bangalore/Mumbai with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. Required Skills: • Exp. - 3 to 8 years. • Experience in Core Java and Spring Boot. • Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns. • Should have the ability to analyze, design, develop and test complex, low-latency client facing applications. • Good development experience with RDBMS. • Good knowledge of multi-threading and high-performance server-side development. • Basic working knowledge of Unix/Linux. • Excellent problem solving and coding skills. • Strong interpersonal, communication and analytical skills. • Should have the ability to express their design ideas and thoughts. About Wissen Technology: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’. Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world. Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation. We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
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JioTesseract, a digital arm of Reliance Industries, is India's leading and largest AR/VR organization with the mission to democratize mixed reality for India and the world. We make products at the cross of hardware, software, content and services with focus on making India the leader in spatial computing. We specialize in creating solutions in AR, VR and AI, with some of our notable products such as JioGlass, JioDive, 360 Streaming, Metaverse, AR/VR headsets for consumers and enterprise space.
Mon-Fri, In office role with excellent perks and benefits!
Key Responsibilities:
1. Design, develop, and maintain backend services and APIs using Node.js or Python, or Java.
2. Build and implement scalable and robust microservices and integrate API gateways.
3. Develop and optimize NoSQL database structures and queries (e.g., MongoDB, DynamoDB).
4. Implement real-time data pipelines using Kafka.
5. Collaborate with front-end developers to ensure seamless integration of backend services.
6. Write clean, reusable, and efficient code following best practices, including design patterns.
7. Troubleshoot, debug, and enhance existing systems for improved performance.
Mandatory Skills:
1. Proficiency in at least one backend technology: Node.js or Python, or Java.
2. Strong experience in:
i. Microservices architecture,
ii. API gateways,
iii. NoSQL databases (e.g., MongoDB, DynamoDB),
iv. Kafka
v. Data structures (e.g., arrays, linked lists, trees).
3. Frameworks:
i. If Java : Spring framework for backend development.
ii. If Python: FastAPI/Django frameworks for AI applications.
iii. If Node: Express.js for Node.js development.
Good to Have Skills:
1. Experience with Kubernetes for container orchestration.
2. Familiarity with in-memory databases like Redis or Memcached.
3. Frontend skills: Basic knowledge of HTML, CSS, JavaScript, or frameworks like React.js.
- You have experience with two or more development languages preferably Java or Python and React, etc
- You can skillfully write high-quality, well-tested code and you are comfortable with Object-Oriented programming
- Comfortability with Agile methods, such as Extreme Programming (XP), Scrum and/or Kanban
- Bonus points if you have working knowledge of cloud technology such as AWS, Azure, Kubernetes and Docker
- Experienced in automated deployment tools such Continuous Integration (Azure DevOps/Git).
- Excellent debugging skills; able to debug complex technical issues involving multiple system components. Good to have knowledge on online & offline sync capabilities in Progressive Web Application (PWA) implementation.
- Knowledge on Azure DevOps is optional.
- Knowledge on INFORM, WARN and ERROR logging in Azure Application Insights, error handling, access authorization, data connectivity in C# is mandatory.
- Knowledge on publisher/subscriber queueing such as RabbitMQ.
- All C# code must contain descriptive comments to functions, or complex/nested loops, if, or case statements.
- Knowledge on NetSuite is an advantage.
- Knowledge on Azure Active Directory is an advantage. Knowledge on OAuth 2.0 & JWT Tokens is mandatory. Writing high-level design and technical analysis documents.
- Should have worked on Agile framework
- Strong Experience on. NET Core, . NET Microservices, C# 5.0 Xunit - Unit Test Framework - C#, Entity Framework/Entity Framework and RESTful Design, Redis
- Experience with SQL Server 2012 & above
- Should be well versed with RabbitMQ
- Knowledge on Azure Active Directory, Application Insights, Azure Devops/Git/Bitbucket Pipeline, Serverless / Azure functions, Azure Service Fabric / Functions
- Hands-on JWT Tokens, API Authorization, OAuth 2.0 JSON or XML
- Exposure to NetSuite, Workato will be an added advantage
Job Description:
We are looking for a passionate Backend developer with a focus on building maintainable and scalable systems. The developer will be responsible for the design and development of Jodo’s backend platforms. You will be closely working with Product Managers and Frontend developers to gather requirements and implement features. As a senior developer in the Team, you will be taking ownership of services/systems and be a mentor to other developers in the team.
Responsibilities:
● Own and drive the development of new features
● Lead design and development of the Jodo backend platform
● Troubleshoot production defects and performance issues
● Write reusable code/modules
● Optimize for speed of development/delivery
● Collaborate with frontend developers for integration
● Identify opportunities for automation
● Make cloud(AWS) infrastructure/services scalable and secure
Qualifications:
● 5+ years of proven experience as a Backend developer
● Experience in working with distributed systems
● Proficient in building Microservices/RESTful APIs with any modern tech stack
● Working knowledge of relational and nonrelational databases
● Prior working knowledge of Python/Django is a big plus
● Familiarity with modern CI/CD tools
● Knowledge of AWS or any other Cloud Platform services
● Champion code quality and drive best practices
● Ability to analyze and convert business requirements into technical requirements
● Self-starter and ability to take the ownership
● Prior experience working in a startup environment is great to have
Job Description
- Design & implement backend APIs
- Mentor junior developers technically.
- Actively work to reduce tech debt in the backend
- Work towards more stability & scalability of the backend
- Tech stack - Java, AWS, Aurora etc.
Eligibility
- 4-8 years of product company experience
- OOP implementation experience. Programming language does not matter. We use Java internally but have hired folks from non Java background.
- Hands on experience in SQL, Dynamo DB, Postgres etc preferred.
- Prior experience building REST APIs
- Advanced understanding of AWS stack
- Prior knowledge of solving problems at scale.
Must have experience / knowledge in Cluster Management Frameworks(e.g., Spark), Kafka,ElasticSearch, Docker, Kubernetes and database, build-and-test(preferred).
Must have hands-on experience with Java, Spring Boot & Hibernate
Must have good experience with Cloud (AWS/Azure/GCP)
Demonstrate project management skills
Experience with customer facing and handling customer expectations
Must have excellent verbal and written communication skills
Skills:
Java
very strong on Spring frameworks
Hibernate
Relational Database (Pref PostgresQL)
AWS / Azure
- 2 - 6 years of software development experience
- Good grasp on programming fundamentals including OOP, Design Patterns and Data Structures
- Excellent analytical, logical and problem-solving skills
- Software Development Engineer
- Good understanding of complexities involved in designing/developing large scale systems
- Strong system design skills
- Experience in technologies like Elasticsearch, Redis, Kafka etc
- Good knowledge of relational and NoSQL databases
- Familiarity with common machine learning algorithms. In-depth knowledge is a plus
- Experience of working with big data technologies like Hadoop, Spark, Hive is a big plus
- Ability to understand business requirements and take ownership of the work
- Exhibit passion and enthusiasm for building and maintaining large scale platforms
Overview
At Netradyne, we are revolutionizing the conventional mapping paradigm with our Dynamic mapping technology. Our unique approach leverages computer vision, Edge Computing, and crowd sourcing to deliver rich, highly accurate content in real-time, critical to the successful development of maps
What you will be doing ?
You will work in a fast-paced environment including multiple platforms, architectures, and technologies. You will be responsible for
- Development of various cloud/web components to ingest, process, transform and visualize data at scale.
- Contribute to algorithm development and automated evaluation for measuring quality.
- Follow engineering best practices (unit testing, continuous delivery etc.)
- Deployment and monitoring of production ready infrastructure
Skills
- Strong analytical and problem-solving skills.
- 3-7 years strong programming experience in Python/Java .
- Hands on knowledge in at least one MVC and ORM frameworks.
- Familiar with at least one frontend framework i.e. React/ Angular
- Working knowledge of at least one RDBMS or NoSQL database.
- Exposure to Geospatial databases and tools like Qgis,OSM will be a plus









