
● Overlook development of all consumer products in JAVA Lead a team of 4-5 developers
● Optimise components for maximum performance across a vast array of web-capable devices
and browsers Focus on code maintainability and performance of application
● Provide technical advice and assists in solving programming problems
● Continuously create new and interactive features that would help to improve user experience
and user engagement.
● Assist with troubleshooting of issues as needed Lead the design and architecture of software
solutions Assist in developing and maintaining continuous integration pipelines
Requirements
● 6+ years of experience in Java based technologies Experience in designing databases and
system architecture
● Experience in building products from scratch
● Experience in building fintech products like Insurance, Payments, Banking etc.
● Experience in building products for scale
● Strong interpersonal skills
● Good in multi stakeholder collaboration

About OneCode
About
About Us:
At OneCode, we are redefining the way India earns. We are bringing fintech to the untapped Bharat of 500 million online users. We are building the largest network of trusted agents via a platform that connects consumers to financial brands with the power of technology. Alongside providing a source of income to the largest unemployed sector.
Challenges:
- Lack of awareness - Consumers are unaware of the best financial solutions in the market.
- No proper medium - Fintech brands find it difficult to reach out to the right consumers in tier 2,3 & 4 cities.
- Trust deficit - Unlike an urban user, consumers from rural areas lack trust in modern fintech services & products
The rise of OneCode
- April 2019, Founded by Manish Shara & Yash Desai
- August, 2020, Raised Seed Funding led by Waterbridge Ventures
- July 2021, Raised $5 M led by Sequoia’s Surge, Nexus Venture Partners & renowned Angel investors.
- March 2022, Raised $13M in Series A round led by General Catalyst & renowned Angel investors.
Investors who trust our mission
- Kunal Shah - Co Founder, CRED
- Kalyan Krishnamurthy- CEO Flipkart
- Harshil Mathur - Co Founder, Razorpay
- Vidit Aatrey - Founder & CEO, Meesho
- Sujeet Kumar - Co Founder, Udaan
- Lalit Keshre - CEO, GROWW
- Gaurav Munjal - Co-founder & CEO, Unacademy
- Aakrit Vaish - Co-founder & CEO, Haptik
- Jitendra Gupta - Founder, Jupiter
- Amrish Rau - CEO PineLabs
- Gokul Rajaram - Product & Business, Doordash
Why OneCode
- High-end Technology
- Make in India
- Accelerated Growth
- Build for next Billion users
- Fast pace & Innovation
- Opportunity to Strive
Culture:
- Flat hierarchy
- Flexible working hours
- Open leave policy
- Peer group
Perks:
- Insurance
- Game Club
- Jamborees
- Wellness
Connect with the team
Company social profiles
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About Wissen Technology:
• 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. We help clients build world class products.
• Our workforce consists of 550+ 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 has grown its revenues by 400% in these five years without any external funding or investments.
• Globally present with offices 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.
• Wissen Technology has been certified as a Great Place to Work®.
• Wissen Technology has been voted as the Top 20 AI/ML vendor by CIO Insider in 2020.
• Over the years, Wissen Group has successfully delivered $650 million worth of projects for more than 20 of the Fortune 500 companies.
We have served client across sectors like Banking, Telecom, Healthcare, Manufacturing, and Energy. They include likes of Morgan Stanley, MSCI, StateStreet, Flipkart, Swiggy, Trafigura, GE to name a few.
Website : www.wissen.com
Experience: 3 to 5
Location: Bangalore
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 to 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 Us:
At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide.
Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality.
We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more.
Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Whether it’s AI/ML for unstructured data processing, cloud enablement, or data engineering, Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our proprietary Interview Ninja platform ensures we hire the best, building high-performing teams that deliver unmatched results.
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Website : www.wissen.com
We are currently seeking a highly skilled and experienced PHP Developer to join our talented team. As a PHP Developer, you will play a crucial role in designing, developing, and maintaining our web-based applications and websites. Your expertise in PHP programming, along with your in-depth knowledge of GIT, MYSQL, and Redis, will be essential in ensuring the success of our projects.
Responsibilities:
- Collaborate with the development team to design and implement robust and scalable PHP-based applications.
- Utilize GIT for version control, ensuring smooth collaboration and efficient code management.
- Work with relational databases, primarily MYSQL, to handle data storage and retrieval effectively.
- Implement Redis for caching and improving application performance.
- Collaborate with front-end developers, leveraging your basic knowledge of HTML and CSS to integrate the back-end functionalities seamlessly.
- Write clean, efficient, and well-documented code that follows best practices and coding standards.
- Troubleshoot and resolve issues in existing PHP applications, ensuring optimal performance and functionality.
- Stay up-to-date with the latest PHP trends, tools, and technologies to continuously improve development processes.
Requirements:
- 3 to 8 years of professional experience as a PHP Developer.
-Strong Knowledge in Core PHP is mandatory
- Proven expertise in PHP programming, with a strong portfolio showcasing your previous work.
- Solid understanding and experience with GIT for version control.
- Proficiency in working with MYSQL and handling complex database queries.
- Familiarity with Redis for caching and performance optimization.
- Basic knowledge of HTML and CSS for seamless collaboration with front-end developers.
- Strong problem-solving skills and the ability to work independently or as part of a team.
- Excellent communication and collaboration skills to effectively work with cross-functional teams.
- Bachelor's degree in Computer Science, Software Engineering, or a related field (preferred but not mandatory).
About the Role:
We are seeking a skilled Java Developer to join our team. The ideal candidate will have strong experience in core Java development along with exposure to modern frameworks and tools. You will be responsible for designing, developing, and maintaining scalable applications while ensuring performance, security, and code quality.
Key Responsibilities:
- Design, develop, test, and maintain Java-based applications.
- Write clean, efficient, and reusable code following best practices.
- Collaborate with cross-functional teams (Product, QA, DevOps, etc.) to deliver high-quality software.
- Troubleshoot, debug, and optimize application performance.
- Participate in code reviews and contribute to continuous improvement.
- Stay updated with emerging trends, tools, and technologies in the Java ecosystem.
Required Skills & Qualifications:
- Strong proficiency in Core Java (Java 8/11/17).
- Experience with frameworks such as Spring / Spring Boot / Hibernate.
- Good knowledge of REST APIs, Microservices architecture.
- Familiarity with SQL/NoSQL databases (MySQL, PostgreSQL, MongoDB, etc.).
- Understanding of multithreading, collections, and design patterns.
- Experience with version control systems (Git) and build tools (Maven/Gradle).
- Solid problem-solving skills and ability to work in an Agile environment.
Good to Have:
- Exposure to cloud platforms (AWS, Azure, GCP).
- Knowledge of containerization (Docker, Kubernetes).
- Experience with messaging systems (Kafka, RabbitMQ).
- Familiarity with CI/CD pipelines.
- 2.5+ year of experience in Development in JAVA technology.
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Any Caching Mechanism
- Good at problem solving
Good to Have Skills:
- 2+ 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.
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- We conceptualize and develop products that are aimed to enable this transformation of the political architecture of the country.
- We leverage the best practices and insights of the technology world and apply them in our unique way to deliver impact on a massive scale.
- We want to offer you a once-in-a-lifetime opportunity to be a part of this massive change and build new and exciting products with us.
Responsibilities :
- Designing, building, and maintaining high performance, reusable, scalable and robust services and applications
- Developing and managing databases and reporting tools
- Building intelligent messaging bots using web APIs
- Designing and developing robust RESTful APIs and other interfaces
- Integrating data storage solutions.
Required Skills :
- Ability to write clean, structured code in Ruby/Python with documentation.
- Proficiency in at least one Ruby frameworks (Ruby on Rails or Sinatra) or Python framework (Django or Flask)
- Clear understanding of Data Structures and Algorithms.
- Ability to write well defined test cases using Minitest, RSpec or Unit testing framework.
- Experience in one of the following database technologies - MySQL, PostgreSQL, MongoDB, Cassandra.
- Proficiency in working with complex SQL queries.
- Knowledge of design patterns, architectural best practices.
- Familiarity with RESTful web services.
- Knowledge of version control tools like Git, SVN etc.
- Working experience with Cloud Services like Amazon Web Services or Google Cloud is a plus.
Required Qualifications :
- A Bachelors or a Masters degree in Computer Science or relevant field.
- Experience of 3-5 years in software development.
Note : Other language candidates may apply only if they're expecting to work primarily on Ruby/Python.
● A Bachelor’s degree in Computer Science or equivalent combination of technical education and
work experience
● 5 to 9 years of Software Development experience
● Experience in system design, distributed systems, relational and No-SQL databases.
● Strong, object-oriented design and coding skills (C/C++ and/or Java preferably on a UNIX or Linux
platform)
● Solid software development background including design patterns, algorithms, data structures,
test driven development
● Any previous experience in working with Big Data or leveraging machine learning in improving
consumer experience is desirable.
● Excellent verbal and written communication skills
General Accountabilities/Job Responsibilities
- Participation in the requirements analysis, design, development and testing of applications.
- The candidate is expected to write code himself/herself.
- The candidate is expected to write high level code, code review, unit testing and deployment.
- Practical application of design principles with a focus on the user experience, usability, template
- designs, cross browser issues and client server concepts.
- Contributes to the development of project estimates, scheduling, and deliverables.
- Works closely with QA team to determine testing requirements to ensure full coverage and best
- quality of product.
- There is also the opportunity to mentor and guide junior team members in excelling their jobs.
Job Specifications
- BE/B. Tech. Computer Science or MCA from a reputed University.
- 3 -12 Years of experience in software development, with emphasis on JAVA/J2EE Server side programming.
- Hands on experience in Core Java, Multithreading, RMI, Socket programing,
- JDBC, NIO, webservices and Design patterns.
- Should have Knowledge of distributed system, distributed caching, messaging frameworks,
- ESB etc.
- Knowledge of Linux operating system and PostgreSQL/MySQL/MongoDB/Cassandra database is essential.
- Additionally, knowledge of HBase, Hadoop and Hive are desirable.
- Familiarity with message queue systems and AMQP and Kafka is desirable.
- Should have experience as a participant in Agile methodologies.
- Should have excellent written and verbal communication skills and presentation skills.
- This is not a Fullstack requirement, we are purely looking out for Backend resources.









