
JOB DESCRIPTION
Experience: 3-5 years
Wissen Technology is now hiring for a Senior Java Developer - Bangalore 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. - 3-5 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
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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- Design, implement, deploy and support web-based applications and web services using server technologies stacks that include Java, MySQL
- Experience in Java/J2EE using web frameworks Play or Spring boot, REST API Development and ORM (JPA, Hibernate eBean etc.)
- In depth knowledge of Design patterns and Data structures
- Databases - MySQL, Oracle, SQL
- Solid understanding of concepts like Web Services, SOA, REST APIs, Message Queue, Caching, Distributed/Scalable Architecture
- Secure application development best practices, such as OWASP
- Document and maintain all design documents and involve in review process.
- Experienced problem solving and debugging skills.
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- Experience in Agile methodology is added advantage
- Knowledge of Cloud Knowledge /Azure
- Must know about Unix knowledge
- experience in Elastic search
Job Title: Java Engineering Manager/Lead
Experience range:- 10 + Years
Location:- Pune / Mumbai
Knowledge and Skills:
- Strong proficiency in Core Java, Spring Boot.
- Experience with RESTful APIs, microservices, and multithreading.
- Solid understanding of RDBMS (MySQL/PostgreSQL).
- Exposure to cloud platforms (AWS, GCP, or Azure) and containerization (Docker, Kubernetes).
- Familiarity with CI/CD tools like Jenkins, GitLab, or GitHub Actions.
- Background in Fintech, particularly Digital Lending, Supply Chain Finance, or Banking products.
- Experience working in agile/scrum environments.
- At least 3 years of experience leading/managing a team of Java developers.
Key Responsibilities:
- Lead and mentor a team of Java developers, ensuring technical excellence and timely delivery.
- Actively participate in coding, code reviews, architecture decisions, and system design.
- Collaborate with cross-functional teams including Product Managers, QA, and DevOps.
- Maintain a strong hands-on presence in backend Java development and microservices architecture.
- Own the end-to-end lifecycle of features from requirement to deployment and post-release support
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.
DevDarshan is a devotional platform launched by IIT graduates to promote the teachings of Indian culture and the Hindu way of life in India around the world. In the 21st century, where everything around is digitized then why not temples. That’s the idea behind DevDarshan.We’ve built a community of devotees from multiple Countries, through our Mobile Application that connects Temples and Devotees, have successfully raised seed investment and also started to generate revenue for the temples and Priests associated with us. Right now we are looking to grow our team and build new exciting features for devotees all around the world.
This is where you come in.
We are looking for a passionate and self-motivated individual to help design our backend Systems to support both the Mobile App and WebApp
Requirements:
- Experience in NodeJS, Typescript, ExpressJS AWS EC2. You have built backend REST API’s
- Expert in System Design and Software Architecture Processes, How different components interact with each other in scale
- Experience with DevOps, Docker, AWS, Google Cloud.
- Experience in Managing Development Teams, complete delivery lifecycle
- Good understanding and experience of NoSQL and SQL Databases, which to be used when.
- Experience with CI/CD Systems like Jenkins, Github Actions.
- Some Experience with Realtime Databases/Systems or Socket based applications would be preferred.
- Some Experience with building Algorithms, Social Apps is preferred.
- Any experience with Handling Video Delivery like ffmpeg/HLS/WebRTC is preferred but not mandatory.
The Role
This Role naturally progresses into Engineering Manager / Software Architect.
- You will be involved at all stages of the product development process, from design to development and deployment.
- You will architect, build, scale, backend systems that powers our applications which will be used by millions of devotees every day.
- You possess a passion for improving techniques, processes, tracking, and continuously improve our engineering practices and would work on a daily basis towards that
Job Requirements :
- Should have experience in supporting the application and infrastructure 24x7.
- Should have good working knowledge on troubleshooting skills of Operating Systems (Linux/Windows)
- Good experience on Java/j2EE application supporting and AWS infra supporting.
- Ability to work with 3rd parties/FOPS and provide required instruction to troubleshoot and restore faults.
- Respond quickly and effectively to production issues, troubleshooting solutions, and
taking responsibility for seeing those solutions through resolution.
- Identify root cause and corrective actions for highly complex availability, capacity, security, performance, and quality issues affecting the database.
- Strong knowledge of Linux/Unix operating system.
- Good knowledge of scripting languages like Shell, Python.
- Good Knowledge of Databases like Mongo, Mysql, SQL Server.
- Respond to alerts and take corrective action to ensure the high availability of our
production environments and participate in an after-hours on-call rotation.
- Experience/Knowledge of other cloud platforms (Azure, Google Cloud) is a plus
- Strong verbal and written communications skills are a must
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About Freespace* (a.k.a. Workplace Fabric)
Workplace Fabric develops solutions that makes workplaces intelligent. Our solutions help increase productivity of office workers while helping to lower the cost of real estate. Our Flagship
product Freespace is installed in over 40 cities around the world and serves over 30,000 people every day. Starting with the first deployment in March 2016 we have rapidly grown with our solution being rolled out globally while continuing to stay cash positive. With successes at several blue-chip clients Workplace Fabric has carved a unique leadership position in workplace management and employee engagement SaaS solutions.
*To find out more, follow us on social media – LinkedIn & Facebook @ workplace-fabric
What is on our offer?
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- We can offer you career opportunities to challenge, develop and exceed your aspirations with training and development throughout your career.
- Life is never dull at Freespace as there is always something to learn, constantly pushing you to develop your skills and take on the next exciting challenge.
Profile Brief:
You will be an experienced Backend Engineer with an interest in data and analytics, developing our fast growing Analytics Team. Working closely as an active team member, having ownership & accountability to develop analytics stories, in delivering timely projects through Scrum. Working with product owners and team leads to clarifying requirements, challenge assumptions in order to ensure successful executions and push the client analytics to its best.
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Required Skills: JavaScript (ES6+), SQL, Nodejs, AWS (Lambda, Athena, S3)
Good to have: TypeScript, IoT, AWS Certifications
Experience: 4-6 years
- Data processing and manipulation expert
- Able to easily comprehend and write complex & efficient SQL queries
- Ability to understand, design and fully document end-to-end scalable IoT systems
- Expert in in building Well-Architected solutions using AWS Services (eg Lambda, Athena, S3 etc)
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Key Behaviours
- Be passionate about understanding the business problem and using data to tell the stories in delivering solutions which drive client decisions.
- Lead by example by demonstrating best practice and mentoring of team members
- Clear thinker with a systematic problem-solving approach, breaking the problem down into simple achievable and realistically estimated steps
- Seeing a project through from conception into production and support ensuring quality throughout.
- Ensure high standards by instilling data quality checks, code reviews and documentation in work and team practices.
- Able to challenge solutions and processes in creating the best products and environment to work.
- Unafraid to own mistakes
- Customer focussed
•Design and develop distributed, scalable, high availability web services.
•Work independently completing small to Mid-sized projects while
managing competing priorities in a demanding production environment.
•you will be writing reusable and maintainable quality code.
What You'll Bring
•BS in CS (or equivalent) and 4+ years of hands-on software design and
development experience in building high-availability, scalable backend
systems.
•hands-on coding experience is a must.
•Expertise in working on Java technology stacks in Linux environment -
Java, Spring/ Hibernate, MVC frameworks, TestNG, JUnit.
•Expertise in Database Schema Design, performance efficiency, and SQL
working on leading RDBMS such as MySQL, Oracle, MSSQL, etc.
•Expertise in OOAP, Restful Web Services, and building scalable systems
Preferred Qualifications:
•Experience using Platforms such as Drools, Solr, Memcached, AKKA, Scala,
Kafka etc. is a plus
•Participation in and Contributions to Open-Source Software Development and contributions
- Ownership of complete backend code.
- Full stack development on cutting edge technology in Fintech domain.
You should Have :
- Server Side languages knowledge: Node.js and express.js is the first choice, Python, Java
- Solid experience working with databases, especially relational DB.
- Solid experience with version control (Git or Bitbucket or SVN).
- B.E. in Computer Science or Graduate/PG degree in Computer Science (this is optional, as we are more interested in your abilities and experience over a paper degree).
- Any experience working with real time projects in backend with node.js and express.js
- Primary skills:Java,Java-Java 8,Java-Microservices,Java-Springboot










