About us:
TAPPP(https://tappp.com/) is building the next-generation digital platform by leveraging cell-based architecture to integrate technologies like Artificial Intelligence, Rules, Workflows, Microservices, FaaS (Function as a Service), Micro-frontends, and Micro apps to create a highly extensible and cutting-edge technology platform that brings together sports fans with broadcasters, sports teams, and sportsbooks to create a marketplace for all aspects of sports and we are available across platforms via the Web, Mobile, Roku, and Tablets.
Building out this brand presents significant product and engineering challenges. At the center of solving those challenges is the TAPPP Product Engineering team which is responsible for the TAPPP product end to end.
TAPPP is led by a very able leadership team drawn from Industry leaders from companies like ESPN, Amazon, Blackhawk, Kargocard, Visa, and
many others.
The organization is flat, processes are minimal, individual responsibility is big, and there is an emphasis on keeping non-productive influences out of the everyday technical decision-making process. Upholding these philosophies will be imperative as we execute our aggressive plan of global expansion over the next 2 years.
Who are we looking for:
A coding enthusiast who loves writing elegant code and developing software systems.
As a senior java developer, you will be a part of the core product development team that is responsible for building high-performant components of the TAPPP platform.
Your responsibility:
- You will be responsible for designing, coding, reviewing, testing, and bug-fixing different modules of the software product that needs to work seamlessly across different environments.
- Write production-quality code in Java, J2EE, and Spring
- You will work in an agile team, working on the TAPPP revolutionary platform. You‘ll be using cutting-edge solutions (Spring Boot, Docker, Kafka, Redis, Continuous Delivery) for creating and maintaining high-load distributed services that are part of our messaging platform.
Mandatory technical skills:
- Hands-on experience with
- Java 1.7+
- RDBMS (MySQL/PostgreSQL)
- JPA (Hibernate or any other ORM framework)
- Spring Boot, Spring MVC, Spring Security
- Hands-on experience in writing extensible RESTful APIs
- Hands-on in Java development (all facets of development) with a sound understanding of OOAD.
- Should have excellent debugging, code review, and design review skills
- Should have a sound understanding of a Microservice based architecture
Good to have technical skills:
Kafka
GraphQL
Redis
AWS (ECS, Cloudwatch)
Other
- Strong independent contributor
- Comfortable working in a start-up environment
The position is based in Pune, India.

About Swissclear
About
Tappp (www.tappp.com), the prepaid consumer market place of Singapore-based Swissclear Global is changing the way people consume premium digital content, by making it accessible without the need for credit cards.
Offering immediate access to a wide range of prepaid entertainment, gaming and recharge services, Tappp meets the digital consumption needs of a large segment of the world's population, who either do not own credit cards or are averse to making credit card transactions online.
Connect with the team
Similar jobs
Role Overview:
We are seeking a motivated .NET Developer with around 3 years of experience to join our backend development team. The ideal candidate should have hands-on experience in C#, ASP.NET Core, and SQL, with a strong understanding of object-oriented programming and API development. You will work closely with product, DevOps, and QA teams to build and enhance backend systems
supporting our trading and fintech platforms.
Key Responsibilities:
• Develop, maintain, and enhance backend applications using .NET Core / ASP.NET MVC.
• Design and implement RESTful APIs for integration with frontend and third-party systems.
• Write clean, scalable, and efficient code following best practices.
• Work with SQL databases (preferably MS SQL Server) to design schemas, write queries, and optimize performance.
• Collaborate with product managers and frontend teams to translate requirements into technical solutions.
• Participate in code reviews, debugging, and troubleshooting production issues.
• Contribute to improving application performance, scalability, and security.
Required Skills & Qualifications:
• Bachelor’s degree in Computer Science, Engineering, or related field.
• 3 years of experience in .NET development.
• Strong proficiency in C# and ASP.NET Core / ASP.NET MVC.
• Experience with Web APIs and RESTful architecture.
• Good knowledge of Entity Framework / LINQ.
• Hands-on experience with MS SQL Server or other relational databases.
• Understanding of OOP principles, design patterns, and software architecture concepts.
• Familiarity with Git or other version control systems.
• Basic understanding of HTML, CSS, and JavaScript (for integration purposes).
Nice-to-Have Skills:
• Exposure to Microservices architecture.
• Familiarity with Message Queues (Kafka, RabbitMQ).
• Knowledge of CI/CD tools and DevOps practices.
• Experience with cloud environments (AWS / Azure).
• Understanding of financial or trading systems is a plus.
Why Join Tradelab Technologies:
• Work on cutting-edge trading and fintech platforms used across the industry.
• Collaborative, growth-oriented environment with exposure to complex backend systems.
• Opportunity to learn from senior engineers and grow into full-stack or system design roles.
• Competitive salary and benefits
- Candidates with good experience with SDLC
- Minimum 3+ years of hard core coding experience is mandatory
- Excellent hands on coding in Java, J2EE, Spring, Struts
Responsibilities for Staff Engineer role:
- Having experience in Java along with Springboot, Micorservices, RDBMS
- Experience required: 6yrs to 8 yrs.
As a Java Developer, you will be responsible for developing cutting edge health-tech applications that include high scale transaction processing, intelligent bot based programs and data analytics.
What you will do:
- Building components for the company’s advanced health tech platform using Java, Solr, SpringBoot, DialogFlow
- Communicating effectively in a cross-functional product development team and presenting ideas and solutions effectively
- Prioritizing and managing workload and meeting critical project milestones and deadlines
- Effectively collaborating with a team as well as taking initiative and working independently to solve problems
Desired Candidate Profile
What you need to have:- B.Tech/ B.E. (with 65% marks)
- Expertise at hands on programming in JAVA and J2EE
- Proven expertise in Java interfaces with MongoDB (or similar noSQL databases) as well as relational databases (mySQL, Postgres etc)
- Experience in atleast one 6+ months development project involving SpringBoot and Hibernate
- Strong understanding of application server infrastructure
- Good working knowledge of Maven based build systems
- Good understanding of build and deployment pipelines that involve ANT and Jenkins
- Understanding of code versioning tools, such as Git or SVN
- Good knowledge of working on Rest API’s, Webservices
- Excellent problem-solving and interpersonal skills
- Hands on experience with Lucene/ Solr
- Familiarity with DiagFlow based chat bot building
- Knowledge of NLP
- Experience in product based companies
Work Location:Mumbai,Gurgoan,Indore,Bangalore,Hyderabad
- J2EE
- Web services
- JSON
- JSP Servlet
- Exception handling
- Multithreading
- Rest API
- Microservices
| Python |
| FastAPI / Django Framework |
| Database concept, API & SQL's |
| SSO, Oauth2, JWT, Microservices |
| MVC, ORM |
| 1) Write effective, scalable code |
| 2) Develop back-end components to improve responsiveness and overall performance Integrate user-facing elements into applications. |
| 3) Test and debug programs. |
| 4) Improve functionality of existing systems. |
| 5) Implement security and data protection solutions. |
| 6) Assess and prioritize feature requests. |
| 7) Coordinate with internal teams to understand user requirements and provide technical solutions |
| 8) Debugging programs and integrating applications with third-party web services. |
An ideal candidate must possess excellent Logical & Analytical skills. You will be working in a team as well on diverse projects. The candidate must be able to deal smoothly and confidently with the Clients & Personnel.
Key roles and Responsibilities:
⦁ Able to design and build efficient, testable and reliable code.
⦁ Should be a team player sharing ideas with the team for continuous improvement and development process.
⦁ Good Knowledge on Spring Boot, Spring MVC, J2EE and SQL Queries.
⦁ Stay updated of new tools, libraries, and best practices.
⦁ Adaptable, Self-Motivated, must be willing to learn new things.
⦁ Sound Good knowledge on HTML, CSS, JavaScript.
Basic Requirements:
⦁ Bachelors' Degree in Computer Science Engineering / IT or related discipline with a good academic record.
⦁ Excellent communication skills and interpersonal skills.
⦁ Knowledge on SDLC flow from requirement analysis to deployment phase.
⦁ Should be able to design, develop and deploy applications.
⦁ Able to identify bugs and devise solutions to address and resolve the issues.










