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
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Java Developer – Job Description Wissen Technology is now hiring for a 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. - 4 to 7 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.
Description
Our Software Architects are the strategic thinkers and technical leaders. They design, validate, and guide the delivery of enterprise-grade systems that balance innovation, performance, scalability, and cost efficiency.
Software Architects work at the intersection of business strategy and technical execution. They collaborate across engineering, product, and design teams to define architecture blueprints, select technologies, and ensure systems evolve in alignment with customer goals. Architects are hands-on, often prototyping solutions and coaching teams, while also trusted to influence executives on technical direction. Here’s what you should know if you want to be a Software Architect at
Requirements
The ideal person
● Proven track record in architecting and delivering large-scale, distributed software systems.
● Expertise in modern architectural patterns: microservices, event-driven systems, composable commerce, headless architectures.
● Ability to translate business strategy into actionable technical roadmaps and system designs.
● Strong leadership skills: guiding engineering teams, mentoring individuals, and setting technical standards.
● Excellent stakeholder management and communication skills, from engineers to C level.
● Commitment to designing systems that are secure, performant, and cost-efficient.
Desirable Skills
● Deep experience with multiple programming languages and frameworks (e.g., ● JavaScript/TypeScript, Node.js, React, Java, .NET, Python).
● Strong knowledge of cloud-native architectures (AWS, GCP, Azure) and containerisation (Docker, Kubernetes).
● Experience with data platforms, integration patterns, and API-first design (REST, GraphQL, gRPC).
● Familiarity with CI/CD, DevOps, and Infrastructure-as-Code practices. ● Understanding of security standards, compliance (GDPR, SOC2), and enterprise IT constraints.
● Ability to design for scalability across global markets and multi-tenant environments. ● Strong knowledge of design systems and front-end frameworks, ensuring alignment between presentation and infrastructure.
● Experience leading architectural reviews, trade-off analysis, and decision records. ● Ability to mentor teams and establish communities of practice around architecture. ● Awareness of emerging technologies (AI, serverless, edge computing) and their practical application.
On any given day you might
● Define architecture blueprints and technical roadmaps for enterprise projects. ● Partner with product owners and business stakeholders to align architecture with strategic goals.
● Make key technology selection decisions, balancing innovation with long-term maintainability.
● Review system designs, ensuring alignment with principles of security, scalability, and performance.
● Support engineering teams with hands-on prototyping and technical problem solving. ● Facilitate architectural reviews and communicate trade-offs to both technical and non-technical audiences.
● Collaborate with designers to ensure UI/UX and architecture integrate seamlessly. ● Influence enterprise customers, helping them modernise platforms and adopt composable, headless, or cloud-native approaches.
● Establish coding standards, architectural patterns, and governance processes. ● Share thought leadership internally and externally, positioning Co. as a trusted Advisor.
You bring
● 7+ years of software development and architecture experience.
● Expertise in designing cloud-native, distributed systems.
● Proven success in leading technical decisions across multi-team programmes. ● Strong cross-functional collaboration and customer-facing skills.
● Advanced understanding of system integration, security, and performance optimisation.
● Familiarity with enterprise-scale delivery: migration projects, composable commerce, API ecosystems.
● Advanced English, able to communicate at both executive and engineering levels. ● (Bonus) Experience contributing to open-source, publishing architectural thought pieces, or speaking at conferences.
Required Experience
3 - 8 Years
Skills
Java/J2EE,
Spring,
microservices
+ 1 more
- Develop unit, integration, and functional tests within Grails/Java and contribute to new architectures design for multi-tier Java EE-based products in a SOA environment.
- Interact with Business Analysts to understand software build configuration and testing processes, documenting application functionality and programming accordingly.
- Collaborate with a talented software team to work on various types of applications, ensuring the building of backend APIs using Java-based technologies.
- Stay updated with the latest trends and technologies, conducting POCs on new technical stacks to support and maintain a portfolio of applications.
- Utilize core Java skills to define, design, develop, integrate, test, deploy, maintain, and troubleshoot applications and tools written in Java and other related languages.
- Provide technical expertise in Java development, including Spring, Hibernate, and building scalable solutions for large web application deployments.
- Participate in the full SDLC, from requirements and design to development, testing, and deployment, ensuring the implementation of best practices and industry-standard procedures.
- Possess hands-on experience with Java, J2EE, Spring Boot, microservices, and web services, while also demonstrating proficiency in writing enterprise-strength code and developing backend APIs.
- Work in an agile environment, supporting users by developing documentation and offering assistance with tools, while promoting established development standards and change control procedures.
Required Education:
B.Tech./ BE - Computer, IT, Electronics only
Required Skills:
- 3+ year of experience in Development in JAVA technology and springboot
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands on experience on Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka
- Any Caching Mechanism
- Good at problem solving
Good to Have Skills:
- 4+ 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.
- Be proficient in server-side development and optimization of data, including database creation and management and debugging
- Integrate data from various back-end services and databases
- Create and maintain software documentation
- Create user-friendly and intuitive interfaces
- Create and analyze reliable and secure back-end functionality
- Maintain, expand, and scale our website
- Remain knowledgeable of emerging technologies/industry trends and apply them into operations and activities
- Collaborate with front-end developers and web designers to match visual design intent
- Bachelor of Engineering/Technology in computer science, software engineering, programming, or equivalent
- Proficiency with languages such as Python, Golang, and Javascript (Node.js, Vue.js)
- Proficiency with MongoDB and MySQL
- Understanding of object-oriented programming
- Experience with the design and implementation of APIs
- Understanding of code versioning and management with Git
- Understanding of code deployment tools such as Jenkins, Capistrano, and ElectricFlow
- Track record of successfully managing multiple company or customer websites
- Excellent time-management and communication skills
- Compile and analyze data, processes, and codes to troubleshoot problems and identify areas for improvement.
- Collaborating with the front-end developers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience.
- Developing ideas for new programs, products, or features by monitoring industry developments and trends.
- Recording data and reporting it to proper parties, such as clients or leadership.
- Participating in continuing education and training to remain current on best practices, learn new programming languages, and better assist other team members.
- Taking lead on projects, as needed.
Fluency in modern JavaScript (ES6/7) and other frontend fundamentals (HTML5,
CSS3) and Node.js
Exposure to React( native) basics
Experience with AWS, CI/CD and DevOps
Experience with Web Security
Basic exposure to Go is valuable but not necessary
Willingness to travel for onsite assignments outside India
Technical Competencies
- Strong Java/J2EE development experience with demonstrated ability to develop and troubleshoot large mission applications & Software Products
- Experience on exception handling, correct use of data structures, multi-threaded programming, memory management and application tuning
- Excellent exposure in Object Oriented Design skills using Java/J2ee along with:
- Core Java Language (Collections, Concurrency/Multithreading)
- JDBC concepts (connection pooling, statement, result set)
- Web Technologies (Struts/Struts 2, Spring (IOP, MVC, AOP), Hibernate, JSP, Web services)
- Database optimization and profiling
- Core/JEE/Integration Design patterns/UML
- Should have experience in Unit Testing
- Good hands on experience with RDBMS like MySQL/Oracle with ability to write SQL Queries/Stored Procedures/Triggers/Joins/View etc
- Practical application of software product development standards and methodologies including Agile, XP, Kanban, RUP and UML
- Ability to apply design patterns consistently and also accurate when building per design requirements
- Good experience in source control, unit testing, code verification, documentation, automated build, continuous integration, metrics, and code reviews.
- Demonstrated problem solving, analytic and troubleshooting skills.
- Strong written and oral communication skills are required to effectively engage internal stakeholders and their technical representatives.
- The ideal candidate must have experience in enterprise application design, system performance and scalability
- 5+ year experience in web services, distributed systems, and highly available and scalable applications.
- Strong object-oriented programming skills in Java
- Very good knowledge of Core Java and J2EE and should have worked on high availability, low latency platforms.
- Ability to question status quo and identify bad design/code patterns which can impact performance and maintainability of the code.
- Excellent understanding of system design and design patterns.
- Previous experience with the Agile methodology.
- Experience in developing robust RESTful services is desirable.
- Have very good communication skills
- Have strong experience in the Spring framework.
- Good experience in SQL/Oracle
- BS degree in computer science or related fields. MS degree desired
We are looking for Senior Backend Engineers to design and build the systems that power our core business of lending and loan processing. As a Senior Backend Engineer you will be expected to contribute significantly to your team. Your work is consistently of high quality. You solve complex problems, applying appropriate technologies, design patterns, and best practices. Your focus is on a major portion of existing or new team software. You work with your team to design and build software that is secure, correct, observable, and resilient. Your solutions are pragmatic. You identify the proper level of complexity for a task and advise your peers and manager on technical approach.
What you’ll do
- Design, implement, and maintain developer-friendly APIs and services
- Contribute to code and architecture reviews to keep our code quality high
- Debug and resolve production issues; take part in blameless postmortems
- Plan and execute smooth migrations to new technology as a way of managing technical debt
- Build tools and automation for our business and operations teams
- Make decisions on trade offs such as: Reuse versus introducing dependencies; Extensibility versus over-engineering; and Maintainability versus time to delivery (via short-term workarounds)
- Contribute to the improvement of your team’s code review standards, design discussions, team planning, and AARs.
You may shine in this role if you
- Have a track record of shipping software in a distributed systems environment
- Are enthusiastic about collaborating across departments to solve challenging problems
- Are pragmatic about the need to release less-than-perfect software and continuously iterate on it
- Can identify and articulate trade-offs in software and data design
- Can communicate both technical and business requirements fluently
- Are excited about both learning new things and teaching others
We speak mainly in javascript and golang, though we are open to engineers with different backgrounds and languages










