Backend Developer

We're looking for a Backend Lead Engineer to join our Engineering Team. The Engineering Team forms the backbone of our core business. We build and iterate over our core platform that handles orders, payments, delivery promises, order tracking, logistics integrations to name a few. Our products are actively used by Fynd users, Operations, Delights, and Finance teams. Our team consists of generalist engineers who work on building REST APIs, Internal tools, and Infrastructure for all these users.

What will you do at Fynd?

• Determining project requirements and developing work schedules for the team.
• Managing and mentoring a team of 2-5 engineers, Delegating tasks, and achieving daily, weekly, and monthly goals.
• Build scalable and loosely coupled services to extend our platform
• Build bulletproof API integrations with third-party APIs for various use cases with the team.
• Evolve our Infrastructure and add a few more nines to our overall availability
• Have full autonomy and own your code, and decide on the technologies and tools to deliver as well operate large-scale applications on AWS
• Give back to the open-source community through contributions on code and blog posts
• This is a startup so everything can change as we experiment with more product improvements
• Write technical documentation

Some Specific Requirements

• Atleast 2+ years of Tech Lead Experience, 5+ years of Development Experience
• You have prior experience developing and working on consumer-facing web/app products
• Good understanding of Data Structures, Algorithms, and Operating Systems
• Hands-on experience in JavaScript / Python / Node.Js. Exceptions can be made if you’re really good at any other language with experience in building web-app based tech products
• Good knowledge of async programming using Callbacks, Promises, and Async/Await
• Experience in at least one of the following frameworks - Flask, Sanic, Fastapi would be plus
• Experience in at least one of the following frameworks - Express.js, Koa.js, Socket.io
• Hands-on experience with Frontend codebases using HTML, CSS, and AJAX. Plus knowledge of Frontend Frameworks and Experience in at least one of the following frameworks - React.Js, Angular, Vue.js.
• Deep knowledge of MongoDB, Redis, or MySQL
• Basic knowledge of event-based systems using Kafka or RabbitMQ
• You should have experience with deploying and scaling Microservices.
• You've worked with AWS services in the past and have experience with EC2, ELB, AutoScaling, CloudFront, S3
• Deep Knowledge of Cloud-Native Application Architecture: Docker, Kubernetes, Microservices

What We’re Looking For

Required Skills & Experience

Backend Development (5+ Years of Experience)

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Proficiency in backend programming: Python, Go, Rust, or Java.

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Experience with distributed systems, microservices, and event-driven architectures.

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Strong grasp of software engineering principles, design patterns, and scalable system design.

API Development & Web Services

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Expertise in RESTful API and GraphQL design and development.

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Experience with API security protocols, including OAuth 2.0, JWT, and HMAC authentication.

Blockchain & Web3 Technologies

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Familiarity with blockchain protocols: Ethereum, Hyperledger, Polkadot, Corda.

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Understanding of smart contracts, decentralized applications (dApps), and tokenization frameworks.

Database & Data Transformation

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Strong experience in SQL (PostgreSQL, MySQL) and NoSQL databases (MongoDB, Redis, Cassandra).

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Knowledge of financial data transformation standards (ISO 20022, FIX, Open Banking).

Security & Compliance

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Experience implementing security best practices, including encryption, authentication, and RBAC/IAM-based access control.

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Understanding of regulatory frameworks: AML/KYC, GDPR, SOX, FISMA, HIPAA.

Cloud & DevOps (2+ Years of Experience)

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Hands-on experience with AWS, GCP, or Azure for scalable infrastructure deployment.

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Familiarity with containerization (Docker, Kubernetes) and CI/CD automation (GitHub Actions, Jenkins, Terraform).

Bonus Points For:

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Experience integrating financial APIs (SWIFT, FIX, Open Banking).

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Hands-on smart contract development (Solidity, Rust, Go).

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Contributions to open-source blockchain or fintech projects.

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Experience with real-time event streaming using Kafka, RabbitMQ, or Pub/Sub architectures.

Skill set Key words

Java17, Java Spring Boot, Kubernetes/AKS/Docker(Knowledge), Microservices, (MongoDB/DynamoDB)

Role and Resposbilities :

•  Hands on experience in Java back-end development and skills with Spring-boot framework

•  Real life experience with Continuous Delivery principles and related tools (Kubernetes, AKS, Docker)

•  Expertise with Microservices design

•  Understanding of the Design Patterns, Architectural Blueprints, UML and Application Design

•  Experience in stateful application and web sessions

•  Experience with MongoDB, DynamoDB

•  Excellent communication skills and an ability to work in a team

• Experienced in automated deployment tools such Continuous Integration (Azure DevOps/Git).
• Excellent debugging skills; able to debug complex technical issues involving multiple system components. Good to have knowledge on online & offline sync capabilities in Progressive Web Application (PWA) implementation.
• Knowledge on Azure DevOps is optional.
• Knowledge on INFORM, WARN and ERROR logging in Azure Application Insights, error handling, access authorization, data connectivity in C# is mandatory.
• Knowledge on publisher/subscriber queueing such as RabbitMQ.
• All C# code must contain descriptive comments to functions, or complex/nested loops, if, or case statements.
• Knowledge on NetSuite is an advantage.
• Knowledge on Azure Active Directory is an advantage. Knowledge on OAuth 2.0 & JWT Tokens is mandatory. Writing high-level design and technical analysis documents.
• Should have worked on Agile framework

1. Strong Experience on. NET Core, . NET Microservices, C# 5.0 Xunit - Unit Test Framework - C#, Entity Framework/Entity Framework and RESTful Design, Redis
2. Experience with SQL Server 2012 & above
3. Should be well versed with RabbitMQ
4. Knowledge on Azure Active Directory, Application Insights, Azure Devops/Git/Bitbucket Pipeline, Serverless / Azure functions, Azure Service Fabric / Functions
5. Hands-on JWT Tokens, API Authorization, OAuth 2.0 JSON or XML
6. Exposure to NetSuite, Workato will be an added advantage

• Programming experience : 5 to 8 years of programming experience
• Strong technical knowledge in any of the following programming languages : Ruby on Rails /Python/Java and willing to learn and work in Node.js.
• Good Programming aptitude
• Have experience designing and building large scalable web services.
• Have an in-depth understanding of database technologies (SQL and NoSQL) 
• Have experience building RESTful APIs and have good knowledge of RESTful design patterns.
• Be able to communicate and work well within a team
• Brownie points if you have worked on Typescript & Nest.js

Job Responsibilities:

• Create standard RESTful APIs
• Define API models
• Define Database models
• Communicate with other teams about breaking changes
• Maintain code quality
• Optimizing services for maximum performance

Requirements:  5+ years of work experience

• Advanced understanding of SQL ( NoSQL is a plus)
• Proficient understanding of Node.js
• Willingness to learn new ways of doing things
• Experience exposing functionality through RESTful APIs and GraphQL
• Perform performance tuning and query optimization using native SQL Server tools
• Ensure performance, security, and availability of databases
• Should be familiar with the AWS ecosystem and services
• Experience in deployment of scalable, low-latency, and highly available distributed systems
• Experience with Scrum/Agile development

• 2+ years of experience with Node.js
• Expertise in Typescript, AWS, Firebase, MongoDB, and Express

You will be bringing:

• Hands-on experience in writing applications using Node.js (including Socket.io and Express or similar)
• Excellent knowledge of a few of the available databases such as MySQL, MongoDB, etc.
• Proficiency in application deployment on Linux or Ubuntu environments
• Proficiency in JavaScript languages like React and/or Angular, along with a comprehensive experience in open-source frameworks
• Experience in server-client architecture project(s)
• Ability to prioritize in a chaotic and ambiguous environment
• An open, growth mindset when giving and receiving feedback