
Job Description:
- He / She candidate must possess a strong technology background with advanced knowledge of Java and Python based technology stack.
- Java, JEE, Spring MVC, Python, JPA, Spring Boot, REST API, Database, Playwright, CI/CD pipelines
- * At least 3 years of Hand-on Java EE and Core Java experience with strong leadership qualities.
- * Experience with Web Service development, REST and Services Oriented Architecture.
- * Expertise in Object Oriented Design, Design patterns, Architecture and Application Integration.
- * Working knowledge of Databases including Design, SOL proficiency.
- * Strong experience with frameworks used for development and automated testing like SpringBoot, Junit, BDD etc.
- * Experience with Unix/Linux Operating System and Basic Linux Commands.
- * Strong development skills with ability to understand technical design and translate the same into workable solution.
- * Basic knowledge of Python and Hand-on experience on Python scripting
- * Build, deploy, and monitor applications using CI/CD pipelines, * Experience with agile development methodology.
- Good to Have - Elastic Index Database, MongoDB. - No SQL Database Docker Deployments, Cloud Deployments Any Al ML. snowflake Experience

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.
Connect with the team
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Responsibilities:
• Collaborate with cross-functional teams, including front-end developers, product managers, and designers, to understand project requirements and translate them into technical specifications.
• Design and develop server-side logic, APIs, and database schema to support the functionality and performance requirements of our SaaS platform.
• Write clean, modular, and well-documented code using any relevant programming language preferably Java with SpringBoot.
• Optimize the backend systems for maximum speed and scalability, ensuring high performance and responsiveness of the application.
• Implement data storage solutions using PostgreSQL or other relational databases, ensuring data integrity and security.
• Conduct thorough testing and debugging to identify and resolve any issues or bugs in the backend code.
• Stay up-to-date with emerging technologies, industry trends, and best practices in backend development and contribute to the continuous improvement of our development processes.
Requirements:
• Proven work experience as a Backend Developer or similar role, with a focus on server-side development.
• Proficiency in working with relational databases, particularly PostgreSQL, and writing efficient SQL queries.
• Familiarity with SaaS concepts and architecture.
• Experience with API design and development, including RESTful APIs.
• Solid understanding of software development principles, including object-oriented programming, design patterns, and data structures.
• Experience with version control systems, such as Git.
• Strong problem-solving and analytical skills, with keen attention to detail.
• Excellent communication and teamwork skills, with the ability to collaborate effectively with cross-functional teams.
• Bachelor's degree in Computer Science, Engineering, or a related field is preferred, but not mandatory
We are looking for an experienced Senior API Developer with expertise in Python to join our talented development team. The candidate should have over 8 years of hands-on experience in designing and developing APIs, with a strong emphasis on performance and scalability. Proficiency with Swagger/OpenAPI specifications is required. This role is pivotal to our mission of delivering top-tier solutions that power our core business functions.
Key Responsibilities:
- API Development: Design, develop, and maintain high-quality APIs using Python frameworks such as Django Rest Framework or FastAPI.
- Documentation with Swagger/OpenAPI: Employ Swagger/OpenAPI tools to produce clear and thorough API documentation.
- Integration: Implement and manage integrations between APIs and various internal and external services.
- Optimize Performance: Monitor and enhance the performance of APIs to ensure fast response times and low latency.
- Team Collaboration: Work closely with other developers, product owners, and stakeholders to understand requirements and deliver optimal solutions.
- Code Quality: Uphold best practices in code quality, testing, and deployment. Participate in peer code reviews.
- Debugging and Support: Troubleshoot and resolve issues in development, test, and production environments.
- Continuous Learning: Stay informed about emerging technologies and methodologies in Python and API development.
Qualifications:
- Education: Bachelor's degree in Computer Science, Information Technology, or a related discipline.
- Experience: At least 8 years of professional experience in API development with a focus on Python.
Technical Skills:
- Proficiency in Python programming language.
- Strong experience with API design, development, and RESTful services.
- Expertise with Swagger/OpenAPI specifications.
- Familiarity with Python frameworks like Django, Flask, or FastAPI.
- Experience with ORMs such as SQLAlchemy or Django ORM.
- Knowledge of version control systems, particularly Git.
- Experience working with relational databases like PostgreSQL or MySQL.
Soft Skills:
- Excellent problem-solving and analytical skills.
- Strong verbal and written communication.
- Ability to collaborate effectively within a team and across departments.
Preferred Qualifications:
- Experience with cloud platforms like AWS, GCP, or Azure.
- Knowledge of microservices architecture and distributed systems.
- Familiarity with CI/CD pipelines and tools like Jenkins or GitLab CI.
- Understanding of asynchronous programming and event-driven architecture.
What We Offer:
- Competitive Compensation: Reflective of your experience and the value you bring.
- Growth Opportunities: Support for professional development, training, and certifications.
- Flexible Work Environment: Remote work options and flexible hours to promote work-life balance.
Overview
At Quizizz, we are building engaging learning experiences for teachers and students. Our mission is to motivate every learner and help them achieve their true potential. We are among one of the fastest-growing Edtech platforms globally and are currently used by 80% of the US schools every month, serving over 70M monthly actives around the world. Our goal is to reach every classroom around the world.
Quizizz has a passionate user base—We have organically reached this scale. Our NPS is 82 and our users love and deeply care about the platform. Check out our https://twitter.com/search?f=tweets&vertical=default&q=quizizz&src=typd" target="_blank">Twitter page to see all the love shared by our users.
We are a venture-backed and profitable company creating a meaningful impact in K-12 education. We are a small, passionate, global team working on challenging problems to improve education. Look forward to using the latest technologies, fast development, and interacting with users to build delightful product experiences.
What the future holds
- You will architect, build, scale, backend system that powers our applications which are loved and used by millions of learners every day.
- You will work closely with a cross-functional team consisting of strategy, design, development, and program managers to determine how to design scalable backend systems and APIs to meet their needs.
- You possess a passion for improving techniques, processes, tracking, and continuously improving our engineering practices.
Requirements
- You will be utilizing technologies like Redis and Websockets to create a high-reliability, low-latency API that will handle massive multiplayer sessions.
- You will be building a database layer using MongoDB to efficiently store/retrieve large amounts of data.
- You will be setting up suitable backup and redundancy measures for maintaining 100% uptime for all our mission-critical services.
- You will be logging all data, and setting up jobs to generate analytics reports that will drive all our decisions.
Benefits
At Quizizz, we have built a world-class team of talented individuals. While we all care deeply about our work, we also ensure that we maintain a healthy work-life balance. Our policies are designed to ensure the well-being and comfort of our employees. Some of the benefits we offer include:
- Healthy work-life balance. Put in your 8 hours, and enjoy the rest of your day.
- Flexible leave policy. Take time off when you need it.
- Comprehensive health coverage of Rs. 6 lakhs, covering the employee and their parents, spouse and children. Pre-existing conditions are covered from day 1, and also benefits like free doctor consultations and more.
- Relocation support including travel and accommodation, and we'll also pay for a broker to find your home in Bangalore!
- Rs. 20,000 annual health and wellness allowance.
- Professional development support. We will reimburse you for relevant courses and books that you need to become a better professional.
- Delicious Meals including breakfast and lunch served at office, and a fully-stocked pantry for all your snacking needs.
Software Engineer - Backend
Job Description
Introduction
Cashflo, true to its name, is on a mission to unlock $100+ billion of trapped working
capital in the economy by creating India’s largest marketplace for invoice discounting
to solve the day-to-day cashflow problems faced by businesses. Founded by ex-BCG
and ISB / IIM alumni, and backed by SAIF Partners, Cashflo helps democratize access
to credit in a fair and transparent manner. Awarded Supply Chain Finance solution of
the year in 2019, Cashflo creates a win-win ecosystem for Buyers, suppliers and
financiers through its unique platform model. Cashflo shares its parentage with HCS
Ltd., a 25-year-old, highly reputed financial services company has raised over Rs.
15,000 Crores in the market till date, for over 200 corporate clients.
Our leadership team consists of ex-BCG, ISB / IIM alumni with a team of industry
veterans from financial services serving as the advisory board. We bring to the table
deep insights in the SME lending space, based on 100+ years of combined experience
in Financial Services. We are a team of passionate problem solvers, and are looking for
like-minded people to join our team.
The challenge
▪ Solve a complex $300+ billion problem at the cutting edge of Fintech
innovation, and make a tangible difference to the small business landscape
in India.
▪ Find innovative solutions for problems in a yet to be discovered market.
Key Responsibilities
▪ As an early team member, you will get a chance to set the foundations of our
engineering culture. You will help articulate our engineering principles and
help set the long-term roadmap.
▪ Making decisions on the evolution of Cashflo's technical architecture
▪ Building new features end to end, from talking to customers to writing code
Our Ideal Candidate Will Have
▪ 3+ years of full-time software engineering experience
▪ Experience building scalable backend platforms (you've owned & built
features from start to finish before)
▪ Thorough knowledge of SDLC
▪ Extensive knowledge of any of Python, Go, NodeJS
▪ Expertise on any RDBMS or NoSQL databases
▪ Understanding of messaging systems like RabbitMQ, Kafka and protocols
▪ Understands CI/CD pipelines
▪ Exposure to cloud providers like AWS, GCP or Azure
▪ Seen extensive scale and understands the evolutionary technical challenges
About You
Product-minded. You have a sense for great user experience and feel for when
something is off. You love understanding customer pain points and solving for them.
Get a lot done. You enjoy all aspects of building a product and are comfortable
moving across the stack when necessary. You problem solve independently and enjoy
figuring stuff out.
High conviction. When you commit to something, you're in all the way. You're
opinionated, but you know when to disagree and commit. Mediocrity is the worst of all
possible outcomes.
What’s in it for me
▪ Gain exposure to the Fintech space - one of the largest and fastest growing
markets in India and globally
▪ Shape India’s B2B Payments landscape through cutting edge technology
innovation
▪ Be directly responsible for driving company’s success
▪ Join a high performance, dynamic and collaborative work environment
that throws new challenges on a daily basis
▪ Fast track your career with trainings, mentoring, growth opportunities
on both IC and management track
▪ Work-life balance and fun team events

• Experienced in designing and integrating RESTful APIs
• Knowledge of Python
• Excellent debugging and optimization skills
SKILLS
• 3-5 years of experience building large-scale software applications and working with large
software teams.
• Bachelor’s degree in computer science, information technology, or engineering
• Experience designing and integrating RESTful APIs
• Knowledge of Python and Backend Development
• Experience building Web/Mobile applications
• Excellent debugging and optimization skills
• Unit and Integration testing experience
• Being knowledgeable about engineering processes and good practices
• Passionate about learning new tools. Ability to continuously learn and acquire
knowledge.
• Able to adapt to changing complexity of tasks.
We are looking for a seasoned technology professional who can use their experience to build effective teams, high-performance culture, scalable processes and mentor aspiring talent. The candidate must be entrepreneurial, hands-on in technology, must have experience with design, development, and delivery of mobile apps, web applications and tech platforms, at scale. It is highly important for the candidate to have experience with eCommerce and is expected to have some experience in the retail sector, building technology systems and platforms.
The person is expected to be a technology leader with the capability of building and leading a high-performance engineering team.
Responsibilities
- Provide Technical authority in prospective meetings with other departments and provide guidance to developers
- Provide Hands-on Technical leadership, in the development, operation, and improvement of services
- Work with the wider team to ensure high-quality code is delivered in line with the project goals and delivery cycles
- Work with product managers to understand user needs for new/existing services
- Work closely with designers to deliver rapid prototypes as well as production code to ensure high accessibility standards are upheld. We expect familiarity with modern frameworks and languages, as well as best practices such as Clean Code, TDD, BDD, continuous integration, continuous delivery, and DevOps
- Attract, hire, retain and develop top-notch engineering/technology talent
- Implement technology product(s) as per the product requirements, using appropriate technologies
- The company’s tech-stack comprises Node.js (for Backend), MongoDB as the Database (MEAN stack), and Native App development (for iOS and Android)
- Communicate business goals to the engineers. Keep them focused on building the right product and in the right manner. Ensure that engineering is always adding business value and communicate this value to the business leaders
- Be an individual contributor if necessary. Engineering managers could spend ~20% of their time coding and contribute to the code base
- Perform regular code review of the code being developed by your team, to maintain the high quality of code
Qualification
- Computer Science & Engineering education/degree from an internationally recognized top technology institute or university
- 8-10 years of overall experience in the delivery of quality scalable and extensible software. Should currently be leading a team of top-notch developers as an Engineering Manager or Technical Architect.
- Experience of leading product development in B2C startups
- 4+ years of experience in architecting, designing, developing, and scaling high-quality mobile apps and end-to-end systems (consumer-facing and business-facing systems), under tight timelines and delivery pressure
- Experience with backend software development at a high scale. Experience with distributed systems, service-oriented architecture (SOA), and microservices design.
- Capacity to take the complete responsibility of developing and delivering a product-mobile apps and backend. Has good design sense. Has to experience with Node.js.
- Knowledge of new and cutting-edge technologies & tools. Experience working on complex projects having Analytics, Data-Science and Machine Learning components.
●Work closely with Principal Engineers to design, implement and deploy applications that impact
Rupeek’s business with an emphasis on Mobile, Payments, Core Platform and Analytics.
●Drive the architecture and design of large-scale, multi-tiered, distributed software applications, tools,
systems and services using object-oriented design, distributed programming, Java and C/C++.
●Gather business and functional requirements from external and/or internal customers and end-users,
and translate requirements into technical specifications to build robust, scalable, supportable solutions
that work well between a range of complex systems.
●Serve as technical lead throughout the full development lifecycle, end-to-end, from scoping, planning,
conception, design, implementation and testing, to documentation, delivery and maintenance.
●Provide design reviews for other engineers, including feedback on architecture and design issues, as
well as integration, performance and scalability.
●Manage engineers on multiple technical projects and ensure schedules, milestones, and priorities are
compatible with technology and business goals.
- Design and develop cloud native enterprise applications
- Define and establish conventions, standards and best practices for the SDLC process and ensure that quality control is of paramount importance at each step of the development life cycle
- Develop reusable frameworks and libraries that can drastically accelerate new application development in the future
- Participate in the requirement analysis and gathering process and also perform sit-withs with business teams to ensure there is full clarity of the problem statement
- Actively engage wih infrastructure team and take ownership of DevOps processes to ensure that build and deployment processes are efficient and optimal.
- Actively engage with project stakeholders to ensure all are in sync with the progress, risks and issues
- Quickly learn and adopt cutting edge technologies to help keep the org ahead of the curve





