Lead Backend Developer

We are looking for an experienced Java Developer with strong proficiency in Kafka and MongoDB to join our dynamic team. The ideal candidate will have a solid background in designing and developing high-performance, scalable, and reliable applications in a microservices architecture. You will be responsible for building real-time data processing systems, integrating various services, and ensuring smooth data flow across systems.

Key Responsibilities:

• Design, develop, and maintain scalable Java applications with a focus on performance and reliability.
• Build and maintain Kafka-based real-time data pipelines for handling high-volume, low-latency data.
• Work with MongoDB to design and optimize database schemas and queries for high throughput and availability.
• Collaborate with cross-functional teams to define, design, and implement new features and improvements.
• Troubleshoot and resolve issues related to system performance, scalability, and reliability.
• Ensure software quality through best practices, including testing, code reviews, and continuous integration.
• Implement and maintain security best practices in both code and data handling.
• Participate in agile development cycles, including sprint planning, daily standups, and retrospectives.

Required Skills & Qualifications:

• 7+ years of experience in Java development, with a strong understanding of core Java concepts (J2EE, multithreading, etc.).
• Hands-on experience with Apache Kafka, including setting up brokers, producers, consumers, and understanding Kafka Streams.
• Proficient in working with MongoDB for designing efficient data models, indexing, and optimizing queries.
• Experience with microservices architecture and RESTful APIs.
• Familiarity with containerization technologies like Docker and orchestration tools like Kubernetes is a plus.
• Strong understanding of distributed systems, message-driven architectures, and event streaming.
• Familiarity with version control systems like Git.
• Excellent problem-solving skills, with the ability to debug and optimize code for high-performance systems.
• Experience with CI/CD pipelines and automated testing.

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!

Note: CTC not a constraint for the right candidate.

Looking for Backend Developers (Node.js)

Roles & Responsibilities

• This role will be based in our brand new Hyderabad office. Join us in India’s beautiful “City of Pearls” and bring your ambition to life.
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• You'll be set up for success if you have:
• Working knowledge of Typescript and JavaScript development
• Basic understanding of NodeJS development and its eco system
• Basic understanding of SQL (MySQL and/or Postgres) and NoSQL (Mongo DB / DynamoDB) databases
• Basic understanding of REST / SOAP API schematics
• Basic understanding of code versioning tools(GIT, SVN).
• Strong computer science and Engineering background
• Even better if you have:
• Good understanding of using container technologies like Docker for application packaging and running them on Cloud
• Good understanding in setting up CI/CD for application stack
• Working exposure in test driven development and its methodology like Code coverage etc
• Good understanding in using code quality tools to measure and improve on technical debt
• We bring ambition to life. We are innovators, game-changers and pioneers. So if you want to push boundaries and make an impact, this is the place to be.
• As part of our team you'll have the opportunity to make your mark and the power to make change happen. We're doing things no-one has done before, giving fans and customers access to sport anytime, anywhere. We're using world-class technology to transform sports and revolutionise the industry and we're not going to stop.
• If you're ambitious, inventive, brave and supportive, then you're the kind of person who's going to enjoy life at our organisation.
• We are committed to fostering an inclusive environment, both inside and outside of our walls, that values equality and diversity and where everyone can contribute at the highest level and have their voices heard. For us, this means hiring and developing talent across all races, ethnicities, religions, age groups, sexual orientations, gender identities and abilities.
• If you’d like to include a cover letter with your application, please feel free to. Please do not feel you need to apply with a photo or disclose any other information that is not related to your professional experience.
• Our aim is to make our hiring processes as accessible for everyone as possible, including providing adjustments for interviews where we can.
• We look forward to hearing from you.

Job Description
We are looking for a Back-End Web Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end.

Responsibilities

• Integration of user-facing elements developed by a front-end developers with server side logic
• Building reusable code and libraries for future use
• Optimization of the application for maximum speed and scalability
• Implementation of security and data protection
  
  

Skills And Qualifications

• Basic understanding of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3
• User authentication and authorization between multiple systems, servers, and environments
• Integration of multiple data sources and databases into one system
• Management of hosting environment, including database administration and scaling an application to support load changes
• Data migration, transformation, and scripting
• Setup and administration of backups
• Creating database schemas that represent and support business processes
• Implementing automated testing platforms and unit tests
• Experience with Kafka / RabbitMQ
• Proficient knowledge of NodeJS
• Working knowledge of databases like PostgreSQL and MongoDB
• Experience with AWS Cloud services like S3 and EC2
• Proficient understanding of code versioning tools, such as Git