Fullstack Developer

Job Description :

Java Full Stack Developer (Java + Angular) We are solving complex technical problems in the financial industry and need talentedsoftware engineers to join our mission and be a part of a global software development team. As a Java Full Stack Developer, you will be responsible for designing, developing, and maintaining enterprise applications using Java and Angular. You will collaborate with cross-functional teams to define, design, and ship newfeatures, and you will work closely with Architects to ensure the technical feasibilityof designs and implement them accordingly.

Required Skills:  Exp. - 4 to 9 years.  Experience in Core Java 8 and above, Spring (including Core, Web Mvc, Batch, Cloud etc).  Extensive experience in developing enterprise-scale n-tier applications for financial domain. Should possess good architectural knowledge and be awareof enterprise application design patterns.  Should be able to analyze, design, develop and test complex, low-latency clientfacing applications.  Develop user interfaces for modern web applications using Angular.

Job Summary:

As a MERN Stack Developer, you will be responsible for designing, developing, and maintaining robust full-stack applications using MongoDB, Express.js, React.js, and Node.js. With 5+ years of experience, you’ll work closely with cross-functional teams to deliver secure, performant, and user-friendly solutions.

Key Responsibilities:

• Build end-to-end web applications using the MERN stack
• Write clean, maintainable, and efficient code
• Integrate RESTful APIs and third-party services
• Optimize applications for maximum performance and scalability
• Collaborate with product, QA, and DevOps teams throughout the SDLC
• Participate in code reviews, troubleshooting, and improvement initiatives

Required Skills & Qualifications:

• 5+ years of experience in full-stack development with MongoDB, Express, React, and Node.js
• Strong JavaScript/TypeScript skills (ES6+)
• Solid understanding of RESTful APIs, MVC architecture, and microservices
• Experience with Git and Agile methodologies
• Familiarity with responsive UI/UX best practices

Preferred Skills:

• Exposure to cloud platforms like AWS or Azure
• Experience with CI/CD pipelines and testing frameworks like Jest or Mocha
• Familiarity with containerization tools like Docker/Kubernetes

Project Overview

We’re building Express AI, a SaaS platform that allows small and medium-sized businesses (SMBs) to easily train and deploy their own dedicated AI agents for customer service, technical support, sales, and more.

Our vision is to give SMBs the power of enterprise-grade AI without complexity. You’ll help build the core platform that powers this – including agent training interfaces, web deployment, dashboards, and integrations.

Key Responsibilities

• Develop scalable full-stack features using modern JavaScript frameworks

• Build and maintain AI agent training modules (upload docs, FAQs, tone settings)

• Integrate OpenAI, Whisper, LangChain, and other LLM APIs

• Implement user-facing dashboards for chat/voices/social/email agent monitoring

• Design multi-tenant systems with admin-level controls

• Ensure reliability and scalability of the platform as we grow

Tech Stack

• Frontend: React.js, Next.js, TypeScript

• Backend: Node.js, Express, MongoDB (or Postgres), Redis

• AI & NLP: OpenAI API (ChatGPT, Whisper), LangChain, Python (optional)

• DevOps: Docker, AWS or GCP (basic familiarity okay)

• Other: WebSockets for real-time chat, REST APIs, Git

Role Type

• Full Stack Developer (preferred)

• Frontend or Backend specialists also considered, but must be willing to collaborate on both sides

Experience Level

• 3 to 6 years of professional experience

• Previous work with SaaS platforms, AI tools, or multi-tenant architecture is a big plus

Must-Have Skills

• Proficiency in JavaScript/TypeScript

• Strong experience with React.js and Node.js

• Experience working with REST APIs and building secure web apps

• Solid understanding of cloud deployment (AWS/GCP/Firebase)

• Ability to work independently, self-manage, and deliver in a fast-paced environment

Nice-to-Have Skills

• Familiarity with LangChain, OpenAI, AI agent frameworks

• Experience with voice/chat integration

• Prior experience building tools for SMBs or customer support systems

Engagement Type

• Full-time (preferred) or part-time with clear weekly availability

• Remote (India-based candidates only)

Why Join Us?

• Work on a cutting-edge AI platform solving real problems for real businesses

• Fast-moving, no-red-tape team environment

• Build something that will impact millions of small businesses globally

RESPONSIBILITIES 

Building and implementing top-notch user interfaces using Javascript and the Angular framework 

Writing efficient Javascript code while also using HTML and CSS 

Develop all server-side logic, including data storage to optimize website performance 

Using the latest front-end technologies, creating adaptable interfaces for online applications 

Leading with product-analysis tasks and conducting performance tests 

Using sustainable coding patterns that can be easily enhanced and modified subsequently 

Perform complex product analysis as well as development duties that may include significant research and analysis 

Ensuring extensive and proper documentation of solution designs and implementation for easy onboarding of new teammates 

Effective collaboration with team members and stakeholders to deliver requirements 

Keeping up-to-date with industry trends and technology developments 

Providing tech support for clearing bottlenecks and and obstacles 

Identifying and troubleshooting issues with frontend code 

Execute automated testing platforms and system tests 

REQUIREMENTS 

Extensive knowledge, experience and understanding of JavaScript and Node.js 

Professional experience in full stack development using the NAP stack - Node.js, Angular, Postgres 

In depth understanding of cross-browser compatibility issues and ways to work around such issues 

Proficiency in browser rendering behavior and performance. 

Proficiency in Javascript, web stacks, libraries, and frameworks 

Proficient understanding of code versioning tools (Git) 

Good understanding of or working experience with IONIC framework is a major plus 

Understanding of data security concepts 

About The Company
Vested is a cross-border wealth platform on a mission to enable local investors to go global. Our first step is to empower retail investors from India with access to the US stock market. Vested provides a low cost and easy-to-use platform that includes knowledge and insights to help clients make smart investment decisions.

Job Description
We are looking for a full stack developer interested in building high performance web app and company page. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. You will ensure that these components and the overall application are robust and easy to maintain. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.

Skills

• Firm grasp of the JavaScript, React.js, and Node.js
• Experience with popular React.js workflows (Redux)
• Ability to write well-documented, clean Javascript code
• Rock solid at working with third-party dependencies and debugging dependency conflicts
• Familiarity with native build tools, like Android Studio, XCode, and Gradle
• Understanding of REST APIs, the document request model, and offline storage
• Familiarity with SQL databases
• Ability to understand business requirements and translate them into technical requirements
• A knack for benchmarking and optimization
• Familiarity with code versioning tools (Git).

Technical expertise necessary:

• 2+ years of experience on the Node.js
• 2+ years of experience with popular React.js, workflows (Redux), and Express.js
• 2+ years of experience with SQL databases
• 1+ years of experience with AWS and Redis
• Experience creating charts and graphs
• Deep understanding of RESTful APIs
• Experience deploying and maintaining a micro-service architecture
• Experience with server-less infrastructure paradigms (AWS Lambda, etc).
• Experience building a scalable product is a bonus!

Our perfect candidate is someone that:

• is proactive and an independent problem solver
• is a constant learner. We are a fast growing start-up. We want you to grow with us!
• is a team player and good communicator

We are looking for a skilled computer programmer who is comfortable with both front and back end programming. Full Stack Developers are responsible for developing and designing front end web architecture, ensuring the responsiveness of applications and working alongside graphic designers for web design features, among other duties.

Responsibilities

• Developing front end website architecture.
• Designing user interactions on web pages.
• Developing back end website applications.
• Creating servers and databases for functionality.
• Ensuring cross-platform optimization for mobile phones.
• Ensuring responsiveness of applications.
• Working alongside graphic designers for web design features.
• Seeing through a project from conception to finished product.
• Designing and developing APIs.
• Meeting both technical and consumer needs.
• Stay up-to-date with developments in web applications and programming languages.
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Requirements

• 1-5 Year of Experience as Full Stack Developer.
• Proficiency with fundamental front end languages such as HTML, CSS and JavaScript.
• Familiarity with JavaScript frameworks such as Vue JS, Angular JS, React, and Nuxt.
• Proficiency with server side languages such as Java, Python, Ruby, PHP.
• Familiarity with database technology such as MySQL, Oracle and MongoDB.
• Experience working on MEAN (Angular JS, NodeJS, Express, MongoDB) and MERN Stack (ReactJS, React Native, NodeJS, Express, MongoDB).
• Optional experience of using AWS.
• Excellent verbal communication skills.
• Good problem solving skills.