Fullstack Developer

SimplyFI is a fast-growing AI and blockchain-powered product company transforming trade finance and banking through digital innovation. We are looking for a Full Stack Developer with strong expertise in ReactJS (primary) and solid working knowledge of Python (secondary) to join our team in Thane, Mumbai.

Key Responsibilities

• Design, develop, and maintain scalable full-stack applications with ReactJS as the primary
• technology.
• Build and integrate backend services using Python (Flask/Django/FastAPI).
• Develop and manage RESTful APIs for system integration.
• Collaborate on AI-driven product features and support machine learning model integration
• when required.
• Work closely with DevOps teams to deploy, monitor, and optimize applications on AWS.
• Ensure application performance, scalability, security, and code quality.
• Collaborate with product managers, designers, and QA teams to deliver high-quality product
• features.
• Write clean, maintainable, and testable code following best practices.
• Participate in agile processes—code reviews, sprint planning, and daily standups.

Required Skills & Qualifications

• Strong hands-on experience with ReactJS, including hooks, state management, Redux, and API
• integrations.
• Proficient in backend development using Python with frameworks like Flask, Django, or FastAPI.
• Solid understanding of RESTful API design and secure authentication (OAuth2, JWT).
• Experience working with databases: MySQL, PostgreSQL, MongoDB.
• Familiarity with microservices architecture and modern software design patterns.
• Experience with Git, CI/CD pipelines, Docker, and Kubernetes.
• Strong problem-solving, debugging, and performance optimization skills.

• Working directly with clients to understand requirements for a green field development
• Designing the technology and cloud infrastructure architecture to achieve the functional and nonfunctional requirements
• The product you will be working on needs to scale up to support millions of users an efficient micro service distributed architecture
• Solution needs to be easy to deploy and manage on multiple cloud providers (AWS, GCP or Azure)
• Mentoring, guiding and training the team on various technology, quality and security aspects
• Guiding the team to implement automated CI/CD processes
• Strong analytical, problem solving and data analysis
• Excellent communication, presentation and interpersonal skills are a must
• Micro service frameworks such as Java SpringBoot
• Design and implement automated unit and integration tests
• Writing scalable, robust, testable, efficient, and easily maintainable code
• Familiarity with most AWS Services - EC2, ECS, RDS, ECR, S3, SNS, SQS, and more
• Experience with Docker and Kubernetes
• Deploying and Scaling microservices to AWS
• Hands-on experience with AWS cloud platform in evaluation and cost estimation

Quickly adapt to our startup environment which is both demanding and fast-paced (but is also a lot of fun)

Eager in learning new concepts, technologies and be productive in a short time

Convert a raw idea into usable real-life software products

Good understanding and working knowledge of technologies worked

Demonstrate good problem-solving skills

Write modular, readable, and maintainable code

Own and be able to manage a small to medium-sized project

Demonstrate the ability to guide and coach a new team member or fresher.

• Meeting with the development team to discuss user interface ideas and applications.
• Reviewing application requirements and interface designs.
• Identifying web-based user interactions.
• Designing developing and implementing highly-responsive user interface components using React concepts.
• Writing application interface codes using JavaScript following React.js workflows.
• Troubleshooting interface software and debugging application codes.
• Developing and implementing front-end architecture to support user interface concepts.
• Monitoring and improving front-end performance.
• Documenting application changes and developing updates.

Technical Skills:

• 7-9 years Mandatory experience of React.js
• Strong proficiency in JavaScript, jQuery including DOM manipulation and the JavaScript object model
• Mandatory prior experience with popular React.js workflows (Redux)
• Mandatory experience in responsive web designing.
• Mandatory experience in SCSS, CSS
• Mandatory experience with current specifications of ECMAScript
• Mandatory experience with Express Node.js
• Mandatory experience with RESTful APIs
• Mandatory experience with HTML, SaaS
• GIT experience
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Familiarity with modern front-end build pipelines and tools
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
• Experience with user interface design.
• Knowledge of performance testing frameworks including Mocha and Jest.
• Experience with browser-based debugging and performance testing software.
• Ability to understand business requirements and translate them into technical requirements
• Familiarity with code versioning tools such as Git, SVN, and Mercurial
• Familiarity with Database such as SQL

Qualifications:

• B.E/ B.Tech/ M.C.A in Computer Science, Electronics and Communication Engineering, Electronics and Electrical Engineering.
• Minimum 60% in Graduation and Post-Graduation.
• Good verbal and written communication skills

Having experience in developing both front-end and back-end in .Net Projects.
Strong knowledge of .NET web framework preferably the latest version.

Strong Knowledge on MVC, Web Services, Entity Framework, Store Procedure and LINQ.
Proficient in C#, with a good knowledge of their ecosystems.
Strong understanding of object-oriented programming.
Skill for writing reusable libraries.
Familiar with various design and architectural patterns.
Knowledge of concurrency patterns
Familiarity with Microsoft SQL Server.
Experience/Knowledge in popular web application frameworks such as Angular2.
Understanding of fundamental design principles for building a scalable application.
Basic understanding of Common Language Runtime (CLR), its limitations, weaknesses, and workarounds.
Experience/Knowledge in implementing automated testing platforms and unit tests
Having experience in Angular 2 ( type script), SQL and web services is A MUST
Proficient understanding of code versioning tools preferably Git.
Willingness to learn new technologies.