FullStack Developer_Night Shift

 Senior Technical Consultant (Polyglot)

Experience- 5-9 Years

This is a Backend-heavy Polyglot developer role - 80% Backend 20% Frontend

Backend 

1. 1st Primary Language - Java or Python or Go Or ROR or Rust 
2. 2nd Primary Language - one of the above or Node

The candidate should be experienced in atleast 2 backend tech stacks.

Frontend 

1. React or Angular 
2. HTML, CSS

The interview process would be quite complex and require depth of experience. The candidate should be hands-on in backend and frontend development (80-20)

The candidate should have experience with Unit testing, CI/CD, devops etc.

Good Communication skills is a must have.

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:

1. Develop and maintain web applications using React.js and Laravel.
2. Collaborate with cross-functional teams to define, design, and ship new features.
3. Write clean, maintainable, and efficient code.
4. Build reusable components and front-end libraries for future use.
5. Optimize applications for maximum speed and scalability.
6. Implement security and data protection features.
7. Collaborate with other team members and stakeholders to deliver high-quality software solutions.

Requirements:

1. Proven experience as a React.js and Laravel Developer.
2. In-depth knowledge of JavaScript, React.js, and Laravel.
3. Familiarity with RESTful APIs and modern front-end build pipelines and tools.
4. Experience with state management libraries such as Redux.
5. Solid understanding of the full web development process, from design to deployment.
6. Knowledge of version control (e.g., Git).
7. Strong problem-solving and communication skills.
8. Ability to work independently and as part of a team.
9. Bachelor's degree in Computer Science or a related field (preferred).

Nice to Have:

1. Experience with other front-end libraries/frameworks (Vue.js, Angular, etc.).
2. Knowledge of serverless architecture.
3. Experience with database systems (MySQL, PostgreSQL, MongoDB, etc.).
4. Familiarity with Docker and containerization.

About the Position

We are looking for a passionate and experienced software engineer to join our team at Mumbai. In this role, your primary responsibilities will be to take ownership of developing user facing applications and features in an agile manner. You will design and implement scalable and performant front-end solutions from scratch, while also taking a hard look at the existing ones.

What you will do at QI?

• Design, develop and deliver new user-facing apps and feature and improve existing ones
• Take ownership of product(s), and contribute to dev cycles and sprints planning
• Ensure technical feasibility of UI/UX design, share inputs with other teams including product, design and QA
• Optimize applications for performance, user experience and SEO
• Build reusable code and libraries. Contribute to open source projects.
• Stay up-to-date with new technologies with an eye of constantly adapting and improving our systems and methods.

Basic Job requirements

• 2 years + work experience in a similar role
• Strong experience in HTML5, CSS, DOM and front-end tooling ecosystem (Gulp,Grunt, Webpack)
• Excellent concepts and command over JavaScript
• Strong concepts and commercial experience in Vue.js
• Solid foundation in software development ( algorithm design, data structure, SDLC)
• Good concepts of unit testing and automation testing for UI components
• Good understanding of web app performance including Google Core Web Vitals metrics.

Location - Remote 

Good to have

• Basic knowledge of REST API and relational databases
• Basic understanding of browser internals
• Familiarity with web components and shadow DOM
• Exposure to progressive web app design.

About QuantInsti®

QuantInsti® was started in 2010, by the founders from iRage – a leading quant and algo trading firm in India.  From its early days focused on bridging the industry knowledge gap in the field of high-frequency trading, we have come a long way in the last decade. Today, we have a user base from 180+ countries with a growth rate much over 50% year-on-year.

At QuantInsti®, we swear by our goal of revolutionizing the way people approach the financial markets by empowering individuals and institutions with bleeding edge education and technologies. We offer high quality https://www.quantinsti.com/epat">learning experience and best-in-class https://quantra.quantinsti.com/">courses geared towards a global audience in quantitative trading and investing. Our in-house developed technology aims to bring institutional grade tools and https://quantra-blueshift.quantinsti.com/">platforms to democratize systematic and quantitative trading.

We achieve this by putting technology at the core of our business. We have a complex ecosystem of microservices and applications deployed over a fully cloud-based infrastructure. Our tech stack includes Node.js, Vue.js, Python and Docker. The team is driven by user experience, with strong focus on delivering scalable software solutions to complex and evolving business goals.

Why you should join us?

At QuantInsti, we work at the cutting edge of FinTech and EdTech offerings. We work with the newest technologies with a goal of delivering best experience to our users in a scalable manner, with high-performance and availability. If you love to be challenged intellectually, rest assured we have plenty of them for you. We follow an open and free work culture, where you are encouraged to ask questions, learn and teach. We offer a fast-paced environment where you take ownership of what you design and deliver. If you are looking for a move where you will find a reason to wake up every morning and rush to work, come join us.

Flexiple's infrastructure is heavily powered by Ruby on Rails, and we're keen to onboard smart Ruby developers with some experience on JavaScript to help us build amazing web apps!

You'll be part of Flexiple's core engineering team and get a chance to work on multiple Ruby/JS apps, that are built for performance & scale. A typical day of engineering work at Flexiple would involve backend ruby work and getting your hands dirty in the frontend.

Our apps are built for internal & external users, and a few of them get 1 million+ monthly hits! We'd love for you to help us build performant systems that function at such scale.

We don't make compromises in design or code and all our apps are robust, fast and well-tested. However, we also focus equally on speed of development, which is typical of the startup dev culture. So you'll see the best of both worlds at Flexiple!

This is a fully remote position that can be done from anywhere. The CTC can be increased based on the experience of the individual (up to 20 lpa).

If you're backend Ruby developer, who also loves to tinker on the frontend, then this is the right opportunity for you.

• Build & deploy robust, well-tested products/features that are used by millions of users.
• Write crisp, clean & efficient Ruby and JavaScipt code, with equal focus on being easy to maintain and debug.
• Write clean & elegant CSS to bring static wireframes/mockups to life.
• Communicate effectively, contribute to improving the dev processes and brainstorm ideas.
• Share feedback with others, mentor your teammates and grow as a part of the team.
• Stay up-to-date with the latest technologies.

First week:

• Join the team, understand Flexiple's practices & processes.
• Set up your local dev environment
• Get familiar with our tech stack & products.
• Create your first pull request.

First month:

• Get acquainted with the different products and their business domain.
• Contribute actively to the development of one or more products.
• Develop a deeper understanding of Flexiple's product suite, technology and processes.

First six months:

• Contribute actively to product planning, software development, testing and maintenance.
• Suggest and implement improvements to our dev processes and codebase.
• Lead tech initiatives for Flexiple's products.

• 1+ years of software development experience
• Past experience with Ruby on Rails and HTML/CSS/JavaScript
• Developed at least 2-4 production-quality web apps (at work or personal projects; can be any technology/ stack)
• Excellent grasp over algorithms and data structures
• Ability to learn and master new technologies quickly
• Passionate about building robust web/ mobile/ desktop apps and stay updated with the latest technologies/ frameworks
• Outstanding written and communication skills

• A fully remote (work from anywhere) role
• Receive a more-than-competitive salary plus benefits
• A flat and transparent culture
• Support for setting up home office
• Enjoy a culture with opportunities for growth and learning

You will be directly working with Hrishikesh, co-founder at Flexiple. More about him can be found on his https://www.linkedin.com/in/hrishikeshpardeshi/">LinkedIn and https://twitter.com/hrishiptweets">Twitter profiles.

• Improving customer experience, not only for borrowers, but also other partners on the platform.
• Ensure seamless integration with data/ service providers and lending partners.
• When not doing any of above, write tests to prevent any regressions.

• Full-stack development experience.
• Experience with Ruby on Rails.
• Self-starter: Someone who can develop independently.
• Passionate about problem solving, ability to see the big picture.
• Realizes the value of 80-20

• Regular participation on Codechef, Topcoder etc. ( If yes, please cite your rank and pass on a link to your profile! )
• Prior experience at a bank / fin-tech / non-banking financial player in a technical role.

Responsibilities

• Ability to translate Wireframes and PSD Designs into functional web apps using HTML5, AngularJS, React , Node.js, and Mongo

• Binding of UI elements to JavaScript object models

• Creating RESTful services with Node.js

• Architect scalable web architectures

• Work in a cross-functional team to deliver a complete user experience

• Create Unit and Integration tests to ensure the quality of code

• Be responsive to change requests and feature requests

• Write code that is cross-platform and cross-device compatible

• Ability to wear many hats and learn new technologies quickly

Job Title: Software Engineer

Job Type: Full – Time

Location: Hyderabad (Client Base)

Reporting Manager: Service Delivery Manager

Min Salary: As per the Standard Market Rates

Job Summary

• Build interacting dynamic apps, dashboards and analytics.
• Consolidating relevant data from multiple sources.
• Visualizing data with engaging, state-of-the-art graphics.
• Exploring the associations of data. 

Roles and Responsibilities

• Identify automation opportunities in the operations workflow to minimize human effort and develop tools around it.

• Build performance metrics dashboards to view the volume, baseline and trending data.
• Build and maintain the knowledge base portal.
• Build automated tests and unit tests and follow standard development practices. Measure, diagnose and improve application performance
• Collaborate with software and network engineers in developing tools.

Skills Required

• Good communication skills.
• Must be well-versed in web development.
• Well-versed with material design, UI/UX Principles.
• Well-versed with either Angular / TypeScript, Polymer or React JS.
• Well-versed with either Go or Python.
• Collaborate with the team and clients to deliver high quality products.

Qualifications

• Bachelor's degree in Information Technology and Computer Science or any related course.
• Must have strong knowledge & experience in the following languages & system:

• OS: Basic knowledge of *nix (Linux, Unix, etc)
• Language/Script: Go and/or Python , Javascript and/or TypeScript, JS Libraries, HTML5/CSS
• Database: RDBMS (ie. MySQL, Postgresql, Oracle), NOSQL (ie. Mongodb)
• Experience in Cloud Computing (i.e. Google Cloud Platform) is a plus.
• knowledge of HTTP and (REST) API design
• Management/Leadership experience in Software Development is a plus.