Backend Developer

Job Title : Senior Backend Developer (Node.js + AWS + MongoDB)

Experience : 4+ Years

Location : Andheri, Mumbai (Work From Office)

About the Role :

We are looking for a highly skilled Senior Backend Developer with strong expertise in Node.js (NestJS), AWS, and MongoDB to join our growing engineering team.

This role requires someone who takes ownership, is proactive, and enjoys building scalable, high-performance backend systems in a fast-paced environment.

Key Responsibilities :

• Architect, design, and develop scalable backend services using Node.js (NestJS).
• Design and manage cloud infrastructure on AWS Services (EC2, ECS, RDS, Lambda, etc.).
• Develop and maintain high-performance database solutions using MongoDB.
• Work with Kafka, Docker, and serverless frameworks (SST) for efficient deployments.
• Optimize system performance, scalability, and reliability across services.
• Ensure application security, best practices, and compliance standards.
• Collaborate with cross-functional teams to deliver robust product features.
• Take end-to-end ownership of features from design to deployment.

Technical Requirements :

• 4+ years of backend development experience.
• 3+ years of hands-on experience with Node.js.
• 2+ years of hands-on experience with AWS.
• Strong experience with NestJS framework.
• Solid experience with MongoDB and database design.
• Experience with Kafka, Docker, and serverless architecture.
• Understanding of system design, scalability, and performance optimization.

Good to Have (Bonus Skills) :

• Experience with Python or other backend languages.
• Exposure to Agentic AI use cases or implementations.
• Strong understanding of security best practices.

What We’re Looking For :

• Curious mindset and eagerness to learn new technologies.
• Proactive problem solver with strong ownership attitude.
• Strong team player with effective communication skills.
• Positive, energetic, and passionate about building great systems.

Are you passionate about backend development and building scalable applications? Join our growing team!

Technical Skills:

• Extensive experience in programming/scripting languages and frameworks in at least two Node.js, Java Springboot, and Python.
• Understanding of architectural patterns like Flux and MVC is a desirable
• Work experience in REST API service, Socket connections, and mechanisms to handle real-time async data is important.
• Strong knowledge in OOPS, GIT, SQL/nonSQL DB (such as Elastic DB, Mongo DB, MySQL), Design Patterns
• Preferred to have experience with microservices, API gateway, AAA service
• Good knowledge of coding standards, design patterns, unit testing frameworks, TDD, CI/CD practices.

Must have previous experience in leading a team-

• Experience with RESTful web services, CSS, and HTML5 is desirable-
• Experience with designing and building APIs with REST/Microservices
• Good to know about AWS Lambda & supporting configuration knowledge. Knowledge of any of the serverless frameworks like Serverless, AWS SAM would be an advantage.-
• Good to know of API Gateway and CloudFront.-

👉 Required Skills:

• Strong experience with Node.js
• Hands-on expertise in Payment Gateway Integration
• Proficient in MySQL Database Management
• Knowledge of Socket Programming is a big plus!

Primary responsibilities:

•Design, develop AWS IoT/Cloud-based applications using Typescript, Node.Js.

•Work closely with onsite, offshore, and cross functional teams, Product Management, frontend developers, SQA teams to effectively use technologies to build and deliver high quality and on-time delivery.

•Proactively Identify risks and failure modes early in the development lifecycle and develop POCs to mitigate the risks early in the program.

•Assertive communication and team skills.

•This individual be self-directed, highly motivated, and organized with strong analytical thinking and problem-solving skills, and an ability to work on multiple projects and function in a team environment.

Experience and Skills Required:

•More than 6 years of overall experience in Software domain.

•At least 3 years of experience in Cloud native applications.

•Solid working knowledge of Typescript, NodeJS.

•Thorough working knowledge in AWS, Lambdas, Microservices etc.,

•Experience in executing CI/CD processes

•Experience in Microservices Architecture

•Good Knowledge on Cloud security & security design control implementation.

•Knowledge of (AWS IoT Core) and In-depth knowledge of AWS cloud native services including Kinesis, DynamoDB, Neptune, Lambda, API Gateway, Timestream , IoT Core, GreenGrass, Aurora, Lambda, etc.

•Great knowledge in Agile/Scrum

A SaaS startup founded in April 2020.

What’s the opportunity?

Are you a backend developer looking to fast-track your learning and growth? Have you looked at world-class products like Asana, Notion, or Airtable, and felt “I wish I were part of the early team that built these products”?

We’re a team that has previously built and rolled out globally successful SaaS products used by tens of thousands of customers.

We’re laser-focused on delivering a world-class product again, and looking for an ambitious backend engineer to join our existing team of 9 engineers.

If it excites you to think of a fast-paced start-up environment, building something big from scratch, breaking down new problems, creating new APIs, working on performance issues, getting hands-on with DevOps initiatives, and showcasing demos of your work every Friday with a happy and passionate team, then this is the right opportunity for you.

Some of the tech problems you get to work on as a backend engineer would be to build the backend for a modern spreadsheet experience from scratch, work on infra as code, write robust code that is fault-tolerant, work on performant code that adheres to SLOs set by the organization. 

About you:

● 3- 5 years of experience

● Expertise in the following areas ○ Java ○ HTTP Protocol

● You’ve heard of or worked with some of the following tech stacks/products

○ Spring

○ PostgreSQL

○ Redis ○ Docker

○ Message brokers

○ GitHub

● These non-functional areas are familiar to you

○ Performance

○ Debugging

○ Log management

Nice to have:

● Familiarity with AWS 

What’s in it for you?

● Great opportunity: We genuinely care about everyone we hire. You’ll learn new things and grow no matter how experienced you are; you will be working with founders who have more than three decades of collective experience in building significant B2B SaaS startups.

● Great team: Work with a world-class, high-velocity team that truly embodies the values of empathy, curiosity, and customer-centricity. Check out the MTT(Meet The Team) videos on our LinkedIn.

● Great culture: An open, fun, and exciting startup culture that empowers its people to champion big problems with the freedom to think and innovate.

● Growth: You could easily and quickly transition into other roles you might like.

● Impact: You get to be part of a global, passionate team in a fast-paced and growth-oriented environment. The team has a work philosophy of being high on ambition, ownership, and a bias for action.

● Monetary rewards and benefits: Competitive stipend, flexible leave policy, and more

We are seeking a highly skilled and experienced Senior Python Developer to join our team. As a Senior Python Developer, you will be responsible for developing and maintaining high-quality code for our software projects. You should have strong expertise in Python programming and extensive experience with microservices architecture. Your role will involve collaborating with cross-functional teams, implementing best practices, and ensuring the delivery of robust and scalable solutions.

Responsibilities:

• Develop, test, and maintain high-quality Python code for our software projects.
• Design and implement microservices architecture for scalable and efficient applications.
• Collaborate with cross-functional teams, including product managers, designers, and other developers, to understand requirements and deliver optimal solutions.
• Participate in code reviews to ensure adherence to coding standards and best practices.
• Identify and resolve technical challenges and performance issues.
• Optimize existing code and improve system performance.
• Contribute to architectural discussions and propose innovative solutions.
• Stay up-to-date with the latest trends and technologies in Python development and microservices.

Requirements:

• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• 2+ years of professional experience as a Python developer, with a focus on building robust and scalable applications.
• Strong understanding of microservices architecture and experience working with related technologies (e.g., Docker, AWS, service discovery,Jenkins).
• Solid knowledge of Python frameworks (e.g. Django) and libraries commonly used in microservices development.
• Experience in developing RESTful APIs and working with third-party API integrations.
• Proficiency in database systems, such as MySQL or MongoDB.
• Familiarity with code versioning tools (e.g., Git) and CI/CD pipelines.
• Strong problem-solving skills and ability to handle complex technical challenges.
• Ability to write clean, maintainable, and testable code following best practices.
• Excellent communication and collaboration skills, with the ability to work effectively in a team environment.

Preferred Qualifications:

• Experience with cloud platforms (e.g., AWS).
• Knowledge of message queue systems (e.g., RabbitMQ, Kafka, SQS).
• Familiarity with tools (e.g., Airflow, ELK).
• Previous experience in mentoring and providing technical guidance to junior developers.
• Contributions to open-source projects or active participation in developer communities.

What kind of work will you get?

We are looking for a Nodejs developer.

Examples of technical tasks:

Working on our backend SDK to implement APIs that will be consumed by the frontend widgets

Designing APIs for different auth recipes

Architecting auth flows

You will also be given non technical tasks like product brain storming, competitor analysis and writing documentation.

Note: Compensation is as per the applicant's geography

Requirements

Well versed in nodejs with 2+ years of professional experience

Familiar with and comfortable working with Web frameworks like FastAPI, Django and Flask

Familiar with HTTP networking in nodejs

Strong understanding of async and sync modes in nodejs

Bonus:

Contributed to open source, or have your own open source repo with a community and many github stars

Built an in-house authentication or authorization solution or worked with solutions such as Keycloak, Auth0, Ory, Okta etc

2.       Proficiency with fundamental front-end languages such as HTML, CSS.

3.       Familiarity with JavaScript frameworks such as Angular JS, React, and Amber.

4.       Proficiency with server-side languages such as Python / Ruby / Java / PHP/ .Net.

5.       Good Understand with database technology such as MySQL, Oracle, and MongoDB.

*Performs analysis of functional and business requirements

*Applies in-depth or broad technical knowledge to maintain data engineering functions performs solution design.

*Applies the company, open source, and 3rd party technologies to highly complex infrastructure and software solutions.

*Introduce new product features and enhance the platform

*Ability to translate business reporting requirements into a production report.

Company profile

We are the pioneering player in the FinTech industry in India in the institutional credit space. We have created a one of a kind online marketplace for institutional credit ‘CredAvenue’, bringing together issuers and lenders, while also participating in the marketplace through their own balance sheet. Within a short span of two years, CredAvenue has gained immense traction and boasts of multiple clients across sectors, 120+ investors across multiple segments and a high volume of credit deal closures. To read about the latest numbers we have clocked, please visit http://www.credavenue.com">www.credavenue.com.

We are backed by two of the leading global Private Equity firms and have also been successful in attracting high quality talent from some of the leading companies and universities globally. With the fundamentals in place, we are now gearing up for our next phase of high growth, and we are further building up our team to take the company to the next level.

Primary Responsibilities

• Responsible for full software life-cycle, system design and development of front-end & back-end systems
• Writing high-quality code, participating in code reviews, designing/architecting systems of varying complexity and scope
• Identify libraries and technologies worth experimentation
• Build innovative solutions from scratch and liaise with architects and engineers to build solutions
• Mentoring other team members

Required Skill

•  Degree in Computer Science or relevant experience
•  2-7 years of relevant hands-on software engineering experience doing software design and development
•  Proven experience of working on back-end web frameworks like RoR (preferable) or Python/Django or Node.js
•  Good command over at least one JavaScript frameworks like React.js, Vue.js or Angular
•  Excellent understanding of relational database structures, having knowledge of unstructured databases (NoSQL) will be an  added advantage
•  Expertise in object-oriented design, unit testing, integration testing, data structures, algorithms, scalable APIs, etc.
•  Knowledge of working on cloud technologies and exposure of AWS services (EC2, RDS, S3, etc)
•  Work in a fast-paced environment and make pragmatic engineering decisions in a short amount of time
•  Experience with Agile Development and Scrum methodologies.

Work Environment Details

• An opportunity to play a formative role in an ambitious financial services marketplace spanning investment banking, debt capital markets, institutional finance, retail lending and asset management
• A journey that will challenge and reward you in a manner few others will