
Node Js Developer
at Opportunity to work on Product Development
We are looking for a skilled and experienced Node.js Developer with at least 4 years of professional experience to join our team. As a Node.js Developer, you will be responsible for developing robust and scalable web applications using JavaScript and various frameworks.
Roles and Responsibilities
• Production platform hands-on experience involving Node JS & REST API.
• Hands-on production platform experience working with micro-service back-end architecture.
• Working knowledge of GRPC, HTTPS, and GRAPHQ protocols.
• Well-versed in cloud deployment of code blocks.
• Experience with JS testing and code analysis frameworks such as Mocha.
• Utilize modern JavaScript frameworks such as Express.js and Sails.js to build efficient and scalable applications.
• Work with databases like MongoDB and PostgreSQL using Mongoose and Sequelize ORM.
• Integrate messaging systems like Kafka and RabbitMQ for reliable event-driven communication.
• Write unit tests using Mocha, Chai, and Jest frameworks to ensure code quality and reliability.
• Utilize AWS S3 bucket for secure and scalable storage of data and media files.
• Collaborate with QA engineers to perform thorough testing and bug fixes.
• Work with third-party APIs such as Postman, Twilio, SendGrid, Firebase, and KeyCloak for various integrations.

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Java Technical Lead
We are solving complex technical problems in the financial 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.
Experience: 10+ years
Location: Mumbai
Job Description:
• Experience in Core Java, Spring Boot.
• Experience in microservices.
• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should be able to analyze, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2
• Good knowledge of multi-threading
• Basic working knowledge of Unix/Linux
• Excellent problem solving and coding skills in Java
• Strong interpersonal, communication and analytical skills.
• Should be able 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.
At Qiro, we are a dynamic team united by a mission to foster a fair, transparent, and decentralized global lending market. Our focus lies in developing an institutional private credit protocol that seamlessly connects on-chain lenders with off-chain borrowers.
What we’re looking for:
Currently, we are seeking a Senior Backend Engineer to take charge of designing, developing, and maintaining our backend systems. As a pivotal team member, you will play a key role in ensuring the resilience, scalability, and security of our systems. You’ll collaborate closely with cross-functional teams, including smart contract developers, frontend developers, product managers, and designers, to deliver high-quality software solutions that drive our success.
What You'll Do:
- Build and contribute to backend systems supporting Qiro products, interacting with different blockchain networks and external systems.
- Design and develop scalable and resilient client-facing backend APIs, internal services, and scripts for efficient execution of business logic.
- Architect and implement scalable backend solutions capable of handling growing user loads and evolving business requirements.
- Develop and maintain comprehensive test suites, including unit tests, integration tests, and end-to-end tests, to ensure the reliability of backend systems.
- Implement monitoring and debugging tools to proactively identify and resolve issues, ensuring high system availability.
- Collaborate with engineers, QA, and DevOps teams to deliver high-quality code within project timelines.
- Document code, APIs, and technical processes to facilitate knowledge sharing within the team and support the onboarding of new developers.
What Makes a Great Candidate:
- Strong experience in Node.js and Typescript, with proficiency in frameworks like ExpressJS (additional stacks may be used based on project requirements).
- Previous work experience in the blockchain/DeFi space, demonstrating a strong technical understanding of the EVM ecosystem.
- Proven expertise in developing backend REST APIs at scale, handling high request volumes while maintaining low latency and optimal system performance.
- Extensive professional experience in software design and architecture.
- Deep knowledge of testing frameworks and principles.
- Passion for exploring new technologies and the ability to autonomously evaluate them, making suggestions for improvement.
Nice to Have:
- Bachelor’s or Master’s degree in Computer Science.
- Smart contract development experience.
- Understanding of real-world asset tokenization on-chain.
Benefits:
- Competitive salary with regular reviews.
- Flexible remote work.
- Flexible working hours.
- Opportunities for professional growth—your success has no limits when you're driven to excel.
If you are excited about the prospect of contributing to our mission and possess the skills and passion we're looking for, we invite you to be a part of our innovative journey at Qiro. Apply now to join a team where success knows no bounds!


3-8 years
About Company:
The company is a global leader in secure payments and trusted transactions. They are at the forefront of the digital revolution that is shaping new ways of paying, living, doing business and building relationships that pass on trust along the entire payments value chain, enabling sustainable economic growth. Their innovative solutions, rooted in a rock-solid technological base, are environmentally friendly, widely accessible and support social transformation.
Requirements:
1. RECENT EXPERIENCE - Has worked on VB .NET over recent 1 year
2. VB.NET/ASP .NET with SQL server experience
3. Web application development with hosting on IIS experience.
4. Basics of Jquery
5. good communication skills
6. good attitude/team -working skills


Skill required:)
- Expert in writing clean, test-driven, easily maintainable, and modular code.
- Having a good working knowledge of database design and maintenance.
- Able to build reusable code and libraries for future use.
- Knowing troubleshooting and debugging applications is essential.
- Should have great performance in UI or backend tests to optimize performance.
- Capable of designing and developing web applications for the PHP platform (Laravel)
- Preferred to collaborate with cross-functional teams to define, design, and ship new features.
- Able to ensure the performance, quality, and responsiveness of web applications.
- Having sound working knowledge of identifying and correcting bottlenecks and fixing bugs.
- Able to work on bug fixing and improving application performance
- Able to constantly discover, evaluate, and implement new technologies to maximize development efficiency.

- Experience of using Python/ Django frameworks in building back end for Full Stack Applications
- Hands on experience on Web frameworks, Restful APIs and SOAP
- Strong command on SQL (or relevant query language or ORM queries)
- Knowledge of front-end technologies such as React Native, React.js, Angular.js or Javascript

Minimum 3+ Years of hands-on experience in developing Python Applications.
Excellent knowledge of Python and experience in or in-depth understanding of core Python
Knowledge in Lists, Tuples, and Dictionaries
Excellent knowledge of Python Constructor- Parameterized and Non-Parameterized
Must have experience in core python concepts about data structure, OOPS concepts, XML parsing, XML to JSON, optimizations
Developers should have developed Web Based applications., back end, SQL
Agile and scrum methodology
Should not be test automation, Application development frame work
Excellent Communication Skill
Good to Have
Django/ Flask
Strong Hands-on experience in HTML, CSS, DTL(Django Template Language), SASS.
knowledge of SQL




