Fullstack Developer

Job Title : Product Engineer – Fullstack Developer

Experience Required : 4 to 6 Years

Location : Indiranagar, Bengaluru (Hybrid – 2 to 3 days/week in office)

Open to Remote : Yes (based on fit and preference)

Job Summary :

We are looking for a Fullstack JavaScript Engineer with a backend-heavy profile to join our innovative product team.

You’ll be involved across the full product lifecycle — from design and development to deployment and operations — for modern travel systems.

Ideal candidates should be strong in JavaScript, Node.js, and React.js, with a solid understanding of TDD, OOP, and CI/CD practices.

Mandatory Skills :

JavaScript, Node.js, React.js, REST/GraphQL APIs, OOP, TDD, CI/CD, Unit Testing, HTML/CSS, and experience in fullstack/backend-heavy development.

Key Responsibilities :

• Build robust features for our next-gen Trip Planning Systems.
• Work across the full stack: backend (Node.js, Kotlin), frontend (Vue.js/React.js), and APIs (REST/GraphQL).
• Participate in the entire SDLC – from planning and architecture to deployment and monitoring.
• Follow modern software engineering best practices like TDD, code reviews, continuous integration.
• Collaborate closely with cross-functional teams and contribute to technical design discussions.

Must-Have Skills :

• 4 to 6 Years of professional experience in fullstack development.
• Strong proficiency in JavaScript & Node.js.
• Hands-on experience with React.js (preferred over Angular).
• Proficiency in building REST or GraphQL APIs.
• Strong understanding of OOP and Test-Driven Development (TDD).
• Familiarity with CI/CD tools (e.g., Jenkins, GitHub Actions).
• Comfort working with multiple languages or stacks (e.g., Kotlin, Vue.js).
• Experience with unit testing and automation frameworks.

Nice-to-Have :

• Exposure to cloud infrastructure (e.g., AWS, Docker, Kubernetes, Terraform).
• Experience in both product and service-based companies.
• Contributions to code quality and code reviews.

Tech Stack

Frontend: React.js, TypeScript, Next.js, React Native, Redux, GraphQL, Tailwind CSS

Backend & Infra: Java (Spring Boot), Microservices, AWS ECS, Redis, ScyllaDB, MongoDB,

GraphQL, AWS Lambda, MySQL, Aurora

Event Driven & AI: SQS, Kinesis, Claude, Cursor, LangChain

Observability: Prometheus, Grafana, CloudWatch, Sentry

Engineering Excellence: JVM tuning, GC profiling, Circuit Breakers, Async Tracing

We’re hiring an experienced Full Stack Engineer (React + Java) with 5–10 years of

experience to design, build, and scale real-time web applications for our global B2B

hotel marketplace.

You’ll work across the stack—from building intuitive, data-driven UIs to

high-performance backend services that power our distribution engine.

Responsibilities

● Build and maintain end-to-end features spanning React.js frontends and Java

(Spring Boot) microservices and database integrations .

● Develop responsive, performant, and accessible UIs integrated with REST

and GraphQL APIs.

● Design and scale low-latency, high-throughput microservices for real-time

data workflows.

● Implement event-driven systems using Kafka or SQS for asynchronous

communication.

● Collaborate closely with Product, Design, and Architecture teams to translate

business requirements into scalable technical solutions.

● Optimize application performance via caching strategies, async processing,

and database tuning.

● Implement and maintain CI/CD pipelines, test automation, and monitoring

frameworks.

● Leverage AI-assisted tools (Claude, Cursor, etc.) to boost velocity and maintain

code quality.

● Participate in code reviews, design discussions, and architecture decisions.

● Write clean, maintainable code, follow design patterns, maintain high test

coverage, and document key technical decisions.

Requirements

● 6–10 years of full stack development experience with a proven track record in

production systems.

● Strong proficiency in React.js, JavaScript/TypeScript, Redux (or similar state

management) and modern frontend frameworks.

● Solid backend experience with Java, Spring Boot, and Hibernate.

● Database experience with MySQL, MongoDB, or ScyllaDB.

● Hands-on with microservices, AWS (ECS/Lambda), SQS, and GraphQL.

● Familiarity with event-driven architectures and caching layers (Redis) and

asynchronous processing.

● Working knowledge of observability tools (Prometheus, Grafana, CloudWatch,

Sentry).

● Understanding of data structures, algorithms, and system design

fundamentals.

● Passion for clean code, testability, and engineering excellence.

● Strong analytical and communication skills with the ability to collaborate across

Product, Design, and QA teams.

● Comfortable in a remote-first, asynchronous, and ownership-driven culture.

Nice to Have

● Experience with React Native or mobile web frameworks.

● Exposure to Kafka, Kinesis, or other event-streaming platforms.

● Familiarity with CI/CD (GitHub Actions, Docker) and container orchestration

(ECS).

● Experience with AI-assisted development, LLMs, or LangChain pipelines.

● Domain exposure to B2B platforms, travel-tech, or high-scale marketplaces.

● Background in Test-Driven Development (TDD) or Agile methodologies.

Why Join Us?

● Work on mission-critical, high-scale systems used by global hotel brands.

● Build real-time, low-latency products impacting millions of hotel transactions

daily.

● Be part of a remote-first, AI-accelerated engineering culture that values

autonomy and quality.

● Collaborate with senior engineers and architects solving complex distributed

system challenges.

● Competitive compensation with equity participation and career growth

opportunities.

● Learn and work with cutting-edge AI tools—from code generation to

observability automation.

Skill set Requirement
RoR
Any front end frameworks (good to have)
Docker, Aws and Kubernetes
Sidekiq

Note : This position is for Pune location.  Please only apply if you are in pune or willing to relocate to Pune.

We are a product company with headquarter in New York and development centre in Pune.

Our front-end applications are written in React with TypeScript using Gatsby and Next.js. For our REST and GraphQL APIs we use TypeScript and NodeJS, with PostgreSQL and ElasticSearch behind the scenes.

All of our services are hosted on AWS using Elastic Kubernetes Service. CI/CD is handled by Jenkins, with automated Docker builds and deployments to staging. We use Github and JIRA to help us keep on top of our tasks, manage and host our code.

We have a strong culture for testing. We are individually responsible for our work and are immensely proud of the quality we produce. We try and automate as much of the testing as possible.

We have a learning and development budget for keeping up to date which can be spent on conferences, courses, and even books. We encourage sharing what we learn with the rest of the team and the wider community.

We are truly cross-functional: as well as designers and product managers, our teams include data analysts, mortgage advisers and marketing specialists. We’re focused on results: meetings are banned two days a week, and if you need to work from home to finish a project or leave early to manage your energy we encourage you to take it.

About the Role

• Develop scalable web applications for award-winning consumer-facing financial tools
• Develop quick internal admin tools for analysts to create and maintain critical rule sets around consumer financial data
• Integrate new external APIs from vendors or other teams into platform
• Work with UX and design team to transform wireframes into living products
• Build new REST and/or GraphQL endpoints for representing our data to consumer applications
• Own full development requirements and implementation, release management, QA regression scripts, and deployment to containerized production environments
• Communicate results and impact to business stakeholders

About You

• Experience with Node.js and a UI framework (React a plus)
• Experience with unit, integration and end to end testing tools and practices
• Experience with documenting, creating, and consuming REST APIs (GraphQL a plus)
• Keen eye for detail when translating design and requirements into working code
• Proficiency with security requirements, authentication and authorization layers (OAuth2, Google Sign-in)
• Aware of front-end performance implications and best practices
• Familiarity working in the cloud, especially as it pertains to the front end: (Amazon S3 or Azure Blob, Cloudfront, Cloudflare, Fastly, etc.)
• Familiarity with tag and event tracking libraries (e.g. Segment, Google Analytics)
• Fluent at using Git
• Excellent communication, collaboration and writing skills
• You feel comfortable that our values - being brave, investing in each other, making it simple, and owning it - reflect aspects of your personality and approach to work.

• Develop software using MERN stack technologies
• Designing user interactions on web pages
• Writing clean, functional code on the front- and back-end
• Testing and fixing bugs or other coding issues
• Developing back end website applications
• Creating servers and databases for functionality
• Ensuring cross-platform optimization for mobile phones
• Ensuring the responsiveness of applications
• Working alongside graphic and UI designers for web design features
• Designing and developing APIs
• Staying abreast of developments in web applications and programming languages

• Extensive knowledge of Node.Js, React.js, HTML, CSS & Javascript
• Strong knowledge of Data structures and Algorithms
• Ability to work independently and manage the entire frontend of all platforms associated with Rejolut
• Exemplary tasks – Explore something new every day!
• Responsibility – Bring in your own ideas and get supported in executing them.
• Fun – Experience a family culture & celebrate with the founders & team.
• Team – Be a part of a high-performance & cultural diverse team

• Freshers can apply
• Students in their last semester or passed out in 2020 can also apply

• Working days: Monday to Friday
• Timings: 11:00 am to 7:00 pm
• Duration of internship: 6 months/PPO(Performance Basis)

• You are available for the above said duration.
• You prefer to work in a fast paced environment with growth & learning opportunities
• If you have not applied for an internship before with us.
•  have relevant skills and interests

•  Health Insurance
•  Work from Home
•  Fast growth and more visibility into the company
•  Experience to work on the latest technology
•  Competitive Learning Environment with supportive co-workers
•  Employee friendly HR Policies
•  Paid leaves up to certain limits
•  Liberal working atmosphere
• Get mentored by the best in the industry

Full Stack Developers at The Seenit Co. are passionate about using technology to create an impact on the world they live in. At Seenit, you will get to collaborate with an accomplished team that loves solving real-world problems. You will get to work on cutting edge projects that will shape the next phase of growth for the global luxury industry.

Seenit’s suite of products enables the leading luxury retailers around the world to transform their customer experience and build loyal relationships with their customers. The apps allow retailers to make use of their existing infrastructure and resources to deliver a truly omnichannel experience in today's rapidly changing world of shopping.

We would welcome someone to the team who:

• Loves to write “clean”, well designed code to solve complex problems
• Can design, develop and test the core product software and databases to ensure strong optimization and functionality
• Is inclined to contribute in all phases of the development lifecycle and takes end to end ownership of the project
• Follows best industry practices
• Is excited to support others to succeed and shine in a collaborative team culture

• 4+ years experience building backend services for production web applications
• Experience in working with AGILE methodology
• Experience deploying softwares to cloud providers such as GCP, AWS
• Good knowledge of NoSQL databases, and query optimisations
• Experience with MongoDB, Express JS, React JS, Node JS, TypeScript
• Experience with caching implementation using Redis
• Experience with Elastic Search will be an added advantage.
• Previous exposure to leading a team of 3 or more full stack developers will be an added advantage

• Bachelor’s degree in Computer Science, Information Technology, or a similar field.
• Previous experience working as a React.js Developer.(2-8 years)
• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• Experience with user interface design.
• Knowledge of performance testing frameworks including Mocha and Jest.
• Experience with browser-based debugging and performance testing software.
• should have hands-on experience in backend software development using Java.
• should have proven expertise in Spring Boot REST/Microservices.
• should have working experience with relational and NoSQL databases.