
Principal Engineer - Backend
at Profitable E-comm+NBFC company close to becoming a Unicorn.
Are you looking for a super-challenging role designing backend systems that scale to 1000+ TPSs in one of India's fastest growing, profitable near-Unicorns with businesses spanning Lending, E-comm and UPI? Then this is the role for you.
Client Company is a profitable, rapidly scaling unicorn which is extremely well capitalized. Client has a very strong moat in the consumer lending space on the back of which it is entering into additional large markets such as E-comm and UPI.
Client company is now entering its next phase of growth from a fast-scaling startup to a robust, high-scale financial platform serving millions of users daily.
You'll design systems built for 10x100x growth, make the key technical trade-off calls, and stay deeply hands-on. Beyond building, you'll mentor engineers and work directly with founders and product teams to translate business goals into scalable, reliable systems.
This role is an opportunity to:
- Shape the next-generation architecture for a high-throughput fintech system
- Build systems designed to scale 10x100x from current volumes
- Solve real-world problems across performance, reliability, and financial-grade security
Responsibilities
- Design and evolve the platform architecture to support 10x100x growth
- Own systems end-to-end from the first design decision to production impact
- Lead system design discussions and set the long-term technical direction for the platform
- Identify scale bottlenecks early and drive solutions
- Mentor and elevate engineers through design reviews, code quality, and architectural thinking
- Partner directly with founders and product teams to turn business priorities into scalable systems
- Operate with high ownership in a fast-paced environment where priorities evolve quickly
- Drive projects independently own timelines, coordinate with teams, and see delivery
- Conduct rigorous code reviews and champion engineering best practices across the team
- Proactively identify gaps in the system and come up with concrete approaches to address them
- Solve technical problems across the company not just confined to a single pod
- Challenge existing architecture with data and reasoning push back when its the right call, and drive adoption of better approaches.
Requirements
- 7-12 years of experience in backend or platform engineering
- Strong computer science fundamentals (preferably from IIT, BITS, NITs)
- Strong proficiency in backend development (Node.js, Java, Go, or equivalent)
- Proven experience scaling systems through high-growth startup phases (1→10 or beyond)
- Track record of building and owning critical platforms or systems from scratch
- Exposure to high-volume transactional systems; fintech or lending is a strong plus
- Bias for action - moves fast, makes sound decisions, owns outcomes end-to-end
- Comfortable navigating ambiguity and evolving priorities in a startup environment
- Strong problem-solving skills ability to break down complex technical challenges and arrive at pragmatic, well-reasoned solutions
- Hands-on experience with platform engineering developer tooling, shared services, infrastructure abstractions, or internal platforms

Similar jobs
- Create, maintain, test, and fix back-end infrastructure, including databases, data integration, API, core application logic, and other processes that need to be done behind the curtain. Since the job responsibilities can be performed remotely, we simply want our back-end developer to analyze user needs and improve user experience according.
- 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 designed database
- Collaborate with front-end developers and web designers to match visual design intent.
- Design RESTful APIs
- Experience working with relational database like mysql/oracle, Mangodb
- 3+ years of experience in Technology.
- A strong product design sense.
- Good experience in working with programming language Golang.
- Understand end-user requirements, formulate use cases and come up with effective solutions.
- Good understanding of REST APIs and the web in general.
What You will do
● Create beautiful software experiences for our clients using design thinking, lean and agile methodology.
● Work on software products designed from scratch using the latest cutting edge technologies, platforms and languages such as JAVA, python, Javascript, GoLang and Scala.
● Work in a dynamic, collaborative, transparent, non-hierarchical culture.
● Work in collaborative, fast-paced and value-driven teams to build innovative customer experiences for our clients.
● Help to grow the next generation of developers and have a positive impact on the industry.
Basic Qualifications
● Experience: 4+ years.
● Hands-on development experience with a broad mix of languages such as JAVA, Python, Javascript etc.
● Server-side development experience mainly in JAVA, (Python and nodeJS can be considerable)
● UI development experience in ReactJS or AngularJS or PolymerJS or EmberJS or Jquery etc. are good to have.
● Passion for software engineering and follow the best coding concepts. ● Good to great problem solving and communication skills.
Nice to have Qualifications
● Product and customer-centric mindset.
● Great OO skills, including design patterns.
● Experience with devops, continuous integration & deployment.
● Exposure to big data technologies, Machine Learning and NLP will be a plus.
Benefits
● Competitive salary.
● Work from anywhere.
● Learning and gaining experience rapidly.
● Reimbursement for basic working set up at home.
● Insurance (including a top up insurance for COVID).
Location
Remote - work from anywhere
- Experience in designing scalable micro-services required
- Sound knowledge of Python and Django, familiarity with Linux and git
- Deep understanding of how RESTful APIs work
- Familiarity with HTML / CSS and templating systems, Redis, RabbitMQ, NGINX preferred
-Bonus - Preliminary knowledge of any one of these languages - Golang / JavaScript / Lua Responsibilities
Responsibilities
- Software Engineering
- Design and develop highly scalable, available, reliable, secure and fault tolerant systems with minimal
guidance for a market leader in the logistics industry
- Partner with team members on functional and nonfunctional requirements and spread design
philosophy, goals and improve the code quality across the team
- Research new technologies and tools that enable building the next generation of our services
- Provide technology leadership to the team and foster engineering excellence
- Product Delivery
- Partner with product managers to define and execute on the feature roadmap
- Translate business requirements into scalable and extensible design
- Coordinate with various cross functional teams on planning and execution
- Maintaining automated build / test / deployment environments
Qualifications
- Software Engineering
- Should have at least 4 years of hands on experience in designing, developing, testing and deploying
applications on Java, Ruby, Kotlin, Python, Node or Go for large scale applications
- Deep knowledge of one of the programming language they have experience in
- Proficient in OOP and Design Patterns, experience with functional programming would be a plus
- Data modelling experience in Relational Databases
- Ability to design and implement low latency RESTful services
- Product Delivery
- Ability to scope, review and refine user stories for technical completeness and to alleviate dependency
risks.
- Well versed in working with agile methodologies which includes phases such as design, development,
code review, testing and release management
- Ability to have worked in a CI/CD environment, with hands on experience with Git or any similar source
code management tools
- Product Maintenance
- Experience troubleshooting server performance issues such as memory tuning, GC tuning, resource leaks
etc
- Continuously refactor applications to ensure high quality design.
Job Description:
Software Development Engineer - Backend
Responsibilities
• Writing reusable, testable, and efficient code Develop, Code or modify, test, and
debug application programs of varying degree of complexity.
• Design and implementation of low-latency, high-availability, and performant
applications.
• Integration of user-facing elements developed by front-end developers with server
side logic Implementation of security and data protection.
• Integration of data storage solutions
Skills And Qualifications:
• Experience in design and implementation of low-latency, high availability, high
performance applications capable of handling large scale distributed workloads
Expert in Java, with knowledge of Spring boot and Hibernate framework.
• Experience with Elasticsearch
• Knowledge of user authentication and authorisation between multiple systems,
servers, and environments.
• Experience with relational databases like PostgreSQL/MySQL/Oracle.
• Able to create database schemas that represent and support business processes
Strong unit test and debugging skills
• Proficient understanding of code versioning tools such as Git.
• Understand lean approach with frequent releases and focussed on getting MVPs into
market as early as possible to increase feedback
• Passion for fast-paced and iterative software development
• Fast learner and open to working with new libraries/platforms
Nice to have:
• Experience developing in AWS/Azure/Google Cloud environments
• Solid understanding of Cloud PaaS / IaaS constructs and their APIs Understanding of
security products and secure coding techniques
1. Cloud Backend Design along with data storage and backup solutions. 2. Backend APIs and System Design and Integration with IoT Devices, web and mobile applications.
3. Building reusable code and libraries for future use
4. Optimization of the application for maximum speed and scalability
5. Implementation of security and data protection
6. Design and implementation of data storage solutions
Required Skills:
1. Demonstrated history of designing and implementing Cloud-based Microservices Applications using AWS or GCP.
2. 5+ years of hands-on experience using core Java and SpringBoot framework.
3. Good Understanding of Serverless Architecture and Event-Driven Systems.
4. Understanding Product requirements and translating them into technical specifications and development using Agile methodology.
5. Understanding accessibility and security compliance on AWS/GCP and Spring Boot and Flask.
6. Good understanding of Data structures and Algorithms.
7. AWS Skills Required: AWS Lambda, DynamoDB, SNS, SQS, S3, IoT Core, Kinesis Streams, Elastic Beanstalk, EC2, IAM, Elastic Cache, API Gateway.
Good To have:
1. Knowledge of Kubernetes or other container orchestration tools.
2. Python and Flask.
3. Google Cloud Platform and Firebase
Responsibilities
- Use your skills in OOP, OOAD, and testing to design and develop robust and scalable software.
- Work in a fast-paced environment with a focus on writing production-quality code and tests.
- Maintain minimal yet essential engineering documentation to complement the product.
- Collaborate with engineers and product teams as part of Agile delivery.
- Participate in code reviews and release cycles with an ownership attitude.
Requirements
- Strong at problem-solving using Java 8 and above.
- General understanding of SDLC using agile methodologies iterative development.
- Basic skills in HTML, CSS, and JavaScript are desired.
- Hands-on knowledge of using Spring Boot or Quarkus for building Microservices or API driven solutions.
- Knowledge of SQL and experience in using any RDBMS like MySQL, PostgreSQL.
- Understanding or exposure to Cloud-Native development using AWS is an added advantage.
• Experience with Core Java, J2EE, Spring, Hibernate, HTML/HTML5, JavaScript, Jquery, Web
Services.
• Understand and use Messaging Based Services techniques.
• Working knowledge with MySQL or similar SQL Databases.
• Strong knowledge in Object Oriented Concepts with Core Java.
• Good understanding and practical experience with Enterprise Java Concepts and
Methodologies.
• Good understanding of software development process in an agile environment.
• Excellent problem solving and troubleshooting skills.
• Solid coding practices including documentation, code reviews and unit testing.
• Knowledge of Grails, ReactJS, MongoDB and Junit will be an added advantage.
• Proficiency with database management is a plus.
• Experience with AWS infrastructure, e.g. S3, EC2, database services (RDS).
• Contribute to Production Support and debugging across the platform while working with other
software engineers.
• Strong experience with Application server development - Service layer patterns using Spring.
Specialized Skills:
• Excellent verbal and written communication in English.
• Ability to work in a fast-paced environment.
• Ability to multi-task on a regular basis.
• Ability to accept direction and complete work according to instruction.
• Strong analytical skills while maintaining attention to details.
• Innovative problem-solving techniques.
• Ability to organize, prioritize work, meet deadlines and work independently.
• Ability to handle multiple projects and activities in a timely manner.
• High Emotional Intelligence for an office environment.
• Experience working with office productivity tools; delivery assurance and/or industry standards
on deliverables.
• Experience working with administrative and/or workflow systems.
• Technical leadership of an engineering team to build, deploy, and support a reliable,
performant and scalable RESTful platform.
Professional Experience:
5-8 years’ experience
Qualification:
BE(CSE) B.Tech, M.Tech, M.Sc, B.Sc (IT), ME, M.Sc(CS), MCA
Perks:
• Monday to Friday – 5 Days work schedule
• Health insurance benefits
• Accidental and disability insurance benefits
• Opportunity to grow and promote from within
• Staff development activities
Do not apply if:
• Not having Experience in java, My SQL
• Not fluent in speaking, reading, writing English as this position requires fluent English languagebased communication






