Software Engineer-SDE III

About the Role

We’re looking for an Elixir Developer who is passionate about building scalable, high performance backend systems. You’ll work closely with our engineering team to design, develop, and maintain reliable applications that power mission-critical systems.

Key Responsibilities

• Develop and maintain backend services using Elixir and Phoenix framework.

• Build scalable, fault-tolerant, and distributed systems.

• Integrate APIs, databases, and message queues for real-time applications.

• Optimize system performance and ensure low latency and high throughput.

• Collaborate with frontend, DevOps, and product teams to deliver seamless solutions.

• Write clean, maintainable, and testable code with proper documentation.

• Participate in code reviews, architectural discussions, and deployment automation.

Required Skills & Experience

• 2–4 years of hands-on experience in Elixir (or strong functional programming background).

• Experience with Phoenix, Ecto, and RESTful API development.

• Solid understanding of OTP (Open Telecom Platform) concepts like GenServer, Supervisors, etc.

• Proficiency in PostgreSQL, Redis, or similar databases.

• Familiarity with Docker, Kubernetes, or cloud platforms (AWS/GCP/Azure).

• Understanding of CI/CD pipelines, version control (Git), and agile development.

Good to Have

• Experience with microservices architecture or real-time data systems.

• Knowledge of GraphQL, LiveView, or PubSub.

• Exposure to performance profiling, observability, or monitoring tools.

Why Join Us?

• Work with a team that expects and delivers excellence.

• A culture where risk-taking is rewarded, and complacency is not.

• Limitless opportunities for growth—if you can handle the pace.

• A place where learning is currency, and outperformance is the only metric that matters.

• The opportunity to build systems that move markets, execute trades in microseconds, and redefine

fintech.

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!

ROR :: JD

Immediate Joiner

• Having experience on Ruby on Rails.
• Strong SQL skills with MySQL or PostgreSQL
• Knowledge on MongoDB an advantage.
• Experience with TDD (test driven development) or RSpec.
• Having experience on REST/API.
• JRuby experience is an advantage
• Knowledge on Exilir and functional programming a plus and JRuby is an advantage.
• Experience using Git productively in a team environment.
• Experience into Amazon web services
• Knowledge on Jenkins is an advantage.
• Knowledge on Docker.
• Excellent analytical and problem-solving skills

• Developing and maintaining all server-side network components.
• Collaborating with front-end developers on the integration of elements.
• Designing back-end services for various business processes.
• Developing high-performance applications by writing testable, reusable, and efficient code.
• Running diagnostic tests, repairing defects, and providing technical support.
• Documenting Node.js processes, including database schemas, as well as preparing reports.
• Recommending and implementing improvements to processes and technologies.

• Bachelor's degree in computer science, information science, or similar.
• At least two years of experience as a Node.js developer.
• Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
• Superb interpersonal, communication, and collaboration skills.
• Exceptional analytical and problem-solving aptitude.
• Great organizational and time management skills.
• Availability to resolve urgent web application issues outside of business hours.

What You'll Do


You will be part of our data platform & data engineering team. As part of this agile team, you will work in our cloud native environment and perform following activities to support core product development and client specific projects:

• You will develop the core engineering frameworks for an advanced self-service data analytics product.
• You will work with multiple types of data storage technologies such as relational, blobs, key-value stores, document databases and streaming data sources.
• You will work with latest technologies for data federation with MPP (Massive Parallel Processing) capabilities
• Your work will entail backend architecture to enable data modeling, data queries and API development for both back-end and front-end data interfaces.
• You will support client specific data processing needs using SQL and Python/Pyspark
• You will integrate our product with other data products through Django APIs
• You will partner with other team members in understanding the functional / non-functional business requirements, and translate them into software development tasks
• You will follow the software development best practices in ensuring that the code architecture and quality of code written by you is of high standard, as expected from an enterprise software
• You will be a proactive contributor to team and project discussions

Who you are


• Strong education track record - Bachelors or an advanced degree in Computer Science or a related engineering discipline from Indian Institute of Technology or equivalent premium institute.
• 2-3 years of experience in data queries, data processing and data modeling
• Excellent ANSI SQL skills to handle complex queries
• Excellent Python and Django programming skills.
• Strong knowledge and experience in modern and distributed data stack components such as the Spark, Hive, Airflow, Kubernetes, Docker etc.
• Experience with cloud environments (AWS, Azure) and native cloud technologies for data storage and data processing
• Experience with relational SQL and NoSQL databases, including Postgres, Blobs, MongoDB etc.
• Familiarity with ML models is highly preferred
• Experience with Big Data processing and performance optimization
• Should know how to write modular, optimized and documented code.
• Should have good knowledge around error handling.
• Experience in version control systems such as GIT
• Strong problem solving and communication skills.
• Self-starter, continuous learner.

Good to have some exposure to

• Start-up experience is highly preferred
• Exposure to any Business Intelligence (BI) tools like Tableau, Dundas, Power BI etc.
• Agile software development methodologies.
• Working in multi-functional, multi-location teams

What You'll Love About Us – Do ask us about these!

• Be an integral part of the founding team. You will work directly with the founder
• Work Life Balance. You can't do a good job if your job is all you do!
• Prepare for the Future. Academy – we are all learners; we are all teachers!
• Diversity & Inclusion. HeForShe!
• Internal Mobility. Grow with us!
• Business knowledge of multiple sectors

Role: Senior Software Engineer – Backend                                            Location: Bangalore / Gurgaon / Pune

About the Role

The successful backend engineer will work closely and collaboratively with cross functional teams during all phases of the software development lifecycle.

The incumbent should be competent to provide quick solutions to problems and taking a product or a product’s component through the entire life cycle, optimize the space / time complexity and improve on usability and reliability.

What you’ll be doing:

• Bachelor's degree in Computer Science or related field from top notch colleges 
• 4 + years of software development engineering.
• Understanding of fundamental design principles (including MVC).
• Good hands on in AWS scalable environment.
• Experience with different RDBMS and No SQL databases like MySQL, mongo, etc.
• Experience in designing scalable micro-services required.
• Strong knowledge of CS fundamentals including data structures, algorithm design and complexity analysis.
• Proficiency in one language that emphasizes class abstractions (for e.g. Java) and have coded in it for at least 4 years.
• Excellent communication, analytical and problem solving skills.
• Strong organizational skills and the ability to prioritize and work with clients with great efficiency.
• Excellent written and oral communication and presentation skills and the ability to express thoughts logically and succinctly.
• Open minded, Team builder, Good communicator and ability to lead and inspire teams.
• Demonstrated ability to achieve stretch goals in a highly innovative and fast paced environment.
• Experience in dealing with ambiguous/undefined problems; ability to think abstractly

What are we looking for?

• 4 to 10 years of hands on design / development experience. 
• Tech / M.Tech Computer Science or equivalent field from a premier institutes. 
• Proficient in Java OR C/C++, data structures, algorithms and OO design / design patterns. 
• Strong understanding of Computer Science fundamentals. 
• Technical depth in OS, computer architecture and OS internals. 
• Ability to write scalable and maintainable code. 
• Self-starter and goal-oriented with strong analytical and problem-solving skills. 
• Must be able to work cooperatively within a strong diverse technical community to expedite development tasks.
• Experience in Machine Learning is a plus

 
What we offer

• Competitive salary and excellent benefits, in a diverse working environment with inspiring and hardworking colleagues
• A positive, get-things-done workplace.
• An inclusive environment that ensures we listen to a diverse range of voices when making decisions.
• Ability to learn cutting edge concepts and innovation in an agile start-up environment with a global scale.
• A flexible working environment where you can drive your outcomes.

About us

At PayU, we are a global fintech investor and our vision is to build a world without financial borders where everyone can prosper. We give people in high growth markets the financial services and products they need to thrive. Our expertise in 18+ high-growth markets enables us to extend the reach of financial services. This drives everything we do, from investing in technology entrepreneurs to offering credit to underserved individuals, to helping merchants buy, sell, and operate online. Being part of Prosus, one of the largest technology investors in the world, gives us the presence and expertise to make a real impact. Find out more at www.payu.com

Our Commitment to Building A Diverse and Inclusive Workforce

As a global and multi-cultural organization with varied ethnicities thriving across locations, we realize that our responsibility towards fulfilling the D&I commitment is huge. Therefore, we continuously strive to create a diverse, inclusive, and safe environment, for all our people, communities, and customers. Our leaders are committed to create an inclusive work culture which enables transparency, flexibility, and unbiased attention to every PayUneer so they can succeed, irrespective of gender, color, or personal faith. An environment where every person feels they belong, that they are listened to, and where they are empowered to speak up. At PayU we have zero tolerance towards any form of prejudice whether a specific race, ethnicity, or of persons with disabilities, or the LGBTQ communities.