Senior Fullstack Engineer

Position Name : Senior Software Developer (Node.js/RoR/Swift/React)

Experience : 5 to 10 Years

📍 Location : Remote

Notice Period : Immediate to 15 Days

Role Overview :

We are looking for a highly skilled Senior Software Developer with expertise in Node.js, Ruby on Rails (RoR), React, and Swift.

The ideal candidate should have strong problem-solving skills, hands-on development experience, and a deep understanding of software architecture, design principles, and TDD best practices.

Key Responsibilities :

• Backend-Heavy Full-Stack Development : Strong focus on Ruby on Rails (RoR) for backend and React for frontend.
• Test-Driven Development (TDD) : Follow TDD principles to ensure high-quality code.
• Software Architecture & Design : Implement scalable and maintainable solutions.
• Data Structures & Algorithms : Optimize performance and ensure efficient solutions.
• Clean Code Practices : Write modular, reusable, and well-documented code.
• Agile Development : Work in an Agile environment with CI/CD pipelines.
• Full-Stack Ownership : Manage both backend and frontend development, including deployment.
• Peer Collaboration : Participate in code reviews, pair programming, and knowledge sharing.

Technical Skills & Experience :

Must-Have :

• Ruby on Rails (RoR) - Backend
• React.js - Frontend
• Strong expertise in architecture, design, and hands-on development.
• Excellent understanding of Data Structures & Algorithms.
• Proven experience with TDD principles.
• Excellent communication skills.

Good to Have :

• Experience with Node.js, TypeScript, Swift, and JavaScript
• Familiarity with relational databases and web frameworks
• CI/CD tools like Jenkins, Hudson, or Bamboo.

Brandzzy is a forward-thinking technology company dedicated to building innovative and scalable Software-as-a-Service (SaaS) solutions. We are a passionate team focused on creating products that solve real-world problems and deliver exceptional user experiences. Join us as we scale our platform to new heights.

Role Summary:

We are seeking an experienced and visionary Senior Full Stack Developer to lead the technical design and development of our core SaaS platform. In this role, you will be responsible for making critical architectural decisions, mentoring other engineers, and ensuring our application is built for massive scale and high performance. You are not just a coder; you are a technical leader who will shape the future of our product and drive our engineering culture forward.

Key Responsibilities:

• Lead the architecture and design of highly scalable, secure, and resilient full-stack web applications.
• Take ownership of major features and system components, from technical strategy through to deployment and long-term maintenance.
• Mentor and guide junior and mid-level developers, conducting code reviews and fostering a culture of technical excellence.
• Drive technical strategy and make key decisions on technology stacks, frameworks, and infrastructure.
• Engineer and implement solutions specifically for SaaS scalability, including microservices, containerization (Docker, Kubernetes), and efficient cloud resource management.
• Establish and champion best practices for code quality, automated testing, and robust CI/CD pipelines.
• Collaborate with product leadership to translate business requirements into concrete technical roadmaps.
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Skills & Qualifications:

• 5+ years of professional experience in full-stack development, with a proven track record of building and launching complex SaaS products.
• Deep expertise in both front-end (React, Angular, Vue.js) and back-end (Node.js, Python, Java, Go) technologies.
• Expert-level knowledge of designing and scaling applications on a major cloud platform (AWS, Azure, or GCP).
• Proven, hands-on experience architecting for scale, including deep knowledge of microservices architecture, message queues, and database scaling strategies (e.g., sharding, replication).
• In-depth understanding of database technologies (both SQL and NoSQL) and how to choose the right one for the job.
• Expertise in implementing and managing CI/CD pipelines and advocating for DevOps principles.
• Strong leadership and communication skills, with the ability to articulate complex technical ideas to both technical and non-technical stakeholders.
• A passion for solving complex problems and a proactive, self-starter attitude.

Responsibilities:

• Your primary focus will be developing interactive Vue js applications.
• You will ensure that you produce robust, secure, modular, and maintainable code.
• You will coordinate with other team members, including backend developers and UX/UI designers.
• Developing web applications using Vue.js
• Building modular and reusable components and libraries
• Optimising your application for performance

Requirements:

Frontend:

• Proficient with the JavaScript language and its modern ES6+ syntax and features
• Proficient with Vue.js/React framework and its core principles such as components, reactivity, and the virtual DOM
• Familiarity with the Vue.js or React ecosystem, including Vue CLI, Vuex, Vue Router, and Nuxt.js
• Good understanding of HTML5 and CSS3, including Sass
• Understanding of server-side rendering and its benefits and use cases
• Ability to write efficient, secure, well-documented, and clean JavaScript code
• Experience with both consuming and designing RESTful APIs

Backend:

• Experience as a Python Developer for 2+ years
• Expertise in Python framework Django/Flask, creating & use REST API, object-relational mapping (ORM)
• Experience in AWS, GIT, CI/CD Pipelines, and unit testing

• Proficient in creating Web (Responsive) applications using Angular 8+, AngularJS, JavaScript, JQuery. 
• Experience developing/consuming RESTAPIs
• Knowledge of multiple back-end languages Like Java, Python and JavaScript frameworks(e.g. Node.js)
• Familiarity with databases (e.g.MSSQL, MySQL), and UI/UX design
• Hands-on experience with code versioning systems like Git, SVN. 

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.

We are looking for Full-stack engineers with a minimum of 2 to 3+ years of exposure to Node JS, Express JS, Mongo DB, and React JS to join our team.

At Aryston Web Solution Pvt. Ltd, you will use the latest software development languages, techniques, and approaches and work with a visionary team to build solutions you can be proud of.

Your role and responsibilities

• Creating solid back-end code with Node JS.
• Writing code in async-await architecture.
• Integrating REST APIs in front-end application using React JS
• Writing mongoose schema efficiently can implement MRC architecture in the express framework
• Implementing business logic in front-end applications using javascript, should be able to handle complex JSON architecture.
• Should be able to manage states using Redux, Redux thunk/saga, Mobx.
• Should be comfortable in using both functional and class components in React.
• Must be familiar with popular React UI libraries like Material UI, Antd.
• Implement best practices and constantly learn new ways of keeping codebases up to date.
• Having knowledge in Typescript, GraphQL, NextJS, Socket.io is like a match made in heaven.
• AWS SDK hands-on experience, Firebase Services experience, Oauth 2.0 handling knowledge are best to have.

Criteria

• 2+ years of work experience with Node JS, Mongo DB Javascript and React JS.
• Proficient understanding of code versioning tools, such as Git.
• You care about the design and user experience of an application. The choice of third-party libraries should be elegant.
• You must respect the timeline of the deliverables and releases.

Why Join Us?

Aryston Web Solution builds robust solutions for clients in 10+ sectors including cybersecurity, education, healthcare, hospitality, insurance, transportation which makes a positive impact in 5+ countries in the world.

We also have our B2B SAAS product and catering a wide range of clients through it.

At Aryston -

• Your work gets recognition from day 1.
• Since we work very closely, We honor the decision and opinions of our colleagues.
• We grow, you grow.
• We explore and learn new things together.
• Fixed working hours.
• We follow proper productive techniques to get things done, so there are fewer phone calls or boring meetings, and of course zero blame game.

Brief about Coursebook: 

Coursebook is a SaaS platform which helps educational businesses like Coaching & Training Institutions to Create, Market and Sell video courses Online through Coursebook. We are currently incubated at IIM Bangalore where our whole Team is placed. 

Product 1:

https://coursebook.in/">Coursebook.in was launched in March 2019, as a Marketplace for Courses, where training and coaching institutions could list their Courses on our platform and students could view and book the desired course of their choice. After a few months we choose not to actively develop this product due to a greater need in another Product. 

Product 2: (Main Product)

https://coursebook.us/">Coursebook.us is a SaaS platform where Educational businesses like Coaching and Training institutions can manage their day to day operations like Leads, Marketing, Online Payments, Invoicing, students as well as delivering a great learning experience to their students through Video Courses and LIVE CLASSES.

In short, we help any Freelancer, Universities, Coaching and Training institution to take their complete operations online.

We have different dashboard for Institute Admin (Owner/Director), Branch Manager, Sales Manager, Mentor/Teacher and for the student making our offerings very concrete. 

Technology Stack Information:

The web application would be designed & developed using open source technologies

Backend Languages

Golang and Node

Database

PostgreSQL is the choice for the database layer. PostgreSQL is industry standard for web applications and server the need for this scale of an application.

Infrastructure

Amazon EC2 for web hosting, S3 for storage, SQS for implementing queues are few of them which are to be integrated and used in the application.

Front End Elements

React

CTC: 10,00,000

Your skills and experience should cover:

• Excellent programming skills using JavaScript or TypeScript

• 2+ years of relevant software engineering experience

• Proven Node.JS programming skills with knowledge on how to scale huge Node.JS setups

• Experience profiling and optimizing Node.JS applications

• API design and development best practices

• Restful web services, service-oriented architectures

• SQL and NoSQL expert

• Hands-on experience with developing automated tests

• Test-driven development (TDD)

• Experience with SCM systems like Git/SVN

• Experience in Agile software development and continuous Integration systems like Jenkins

The following areas are highly advantageous:

• Experience with Express and Knex

• Experience with Loopback (https://loopback.io/" target="_blank">https://loopback.io/ TypeScript framework)

• Experience/Interest with MySQL or PostgreSQL database

About the company

Anaxee Digital Runners is building India's largest last-mile verification & data collection network of Digital Runners (shared feet-on-street, tech-enabled) to help Businesses & Consumers reach remotest parts of India, on-demand. We are already serving 11000 pin codes (57% of India) | Website: www.anaxee.com

Check out our company pitch (6 min video) to understand the goal-https://www.youtube.com/watch?v=7QnyJsKedz8

Job Role

As a software developer, you’ll be the brain behind crafting, developing, testing, going live and maintaining the system. You are passionate about understanding the business context for features built to drive better customer experience and adoption.

Job Location: Indore | Full Time | Experience: 2.5 yrs & above | Salary ∝ Expertise | Rs.5L ~ Rs.12L |

Responsibilities:

• Familiar with the software development life cycle (SDLC) from analysis to deployment.
• Comply with coding standards and technical design.
• Believes in a systematic approach to developing the system through clear documentation (flowcharts, layouts, &, etc) of functionality, address every use case through creative solutions.
• Adapts structured coding styles for easy review, testing, and maintainability of the code.
• Integrate the developed functionality and/or component into a fully functional system.
• Ensure unit and integration level verification plan are in place and adheres to a great quality of code at all time.
• Active participate in troubleshooting, debugging and updating current live system.
• Verify user feedback in making system more stable and easy.
• Work closely with the Product manager, designers, and other peer developers.
• Preparing technical training documents for onboarding new engineers.

Requirements

• Bachelor’s degree in computer science or equivalent practical experience.
• 2+ years of experience as a Software Engineer or Software Developer or in a relevant role.
• Smart Hands-on coder who can independently architect solutions and mentor team members.
• Solid experience in PHP, Node, Mongo, and MySQL
• Should have good Web service and Web application fundamentals
• Understanding of OOPS concepts, Persistence, Threading.
• Should have worked with HTML/ CSS/ Jquery/ Js / API.
• Knowledgeable in data structures and algorithms.
• Experience with open-source projects.
• Experience in designing interactive applications.
• A background in Engineering with sound oral and written communication skills.
• Prior experience with AWS, Azure, Google or OpenStack will be a plus.
• Hands-on a google cloud platform and Experience in Suite CRM is an added advantage.

  
  

Your application should include

• Details about applications you have previously worked on
• A GitHub or stack overflow profile if you have one.

What we offer

• Competitive salary, Startup Flexibility
• Great working atmosphere in a comfortable office.
• And an opportunity to get associated with a fast-growing VC funded startup.