Fullstack Developer

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.

What You'll Do:

• Designed, architected, and built the core AI-powered application from the ground up.
• You will join a small team with an unparalleled 'fire-in-belly' to close deliverables and a "hungry for more"
• Collaborate with visionary founders to define the product roadmap and bring innovative ideas to life.
• Leverage your expertise in Azure Cloud, full-stack development, and automation to develop scalable, secure, and high-performing solutions.
• Take ownership of the technical stack, system integrations, and deployment pipelines.
• Establish best development, testing, and deployment practices to ensure the product's success in a competitive market.

Who You Are:

• Proficient in full-stack technologies, including React.js, Node.js, Python/Django, and similar frameworks.
• Tech leader who thrives in startup environments and is fully hands-on in coding and working under minimal supervision.
• Highly results-driven. (very important)
• 8+ years of proven experience in the technology product space, including building and scaling applications.
• Strong knowledge of Cloud platforms, Azure Cloud architecture, and automation tools.
• Experienced in developing and deploying enterprise-grade applications.
• Passionate about AI and its potential to transform the enterprise landscape.
• Eager to solve complex problems and create products with tangible business impact.

Why Join Us?:

• Be part of a founding team, playing a critical role in shaping a cutting-edge AI product.
• Collaborate with industry leaders and visionaries who are passionate about innovation.
• This is an opportunity to grow alongside the company and lead a high-impact engineering team.
• Equity and ownership in the product’s success.

We want to hear from you if you’re ready to make a real difference, push boundaries, and build something extraordinary!

We are looking for a Senior .NET Developer to join our IT department and build functional applications and websites.

Senior .NET Developer responsibilities include participating in the entire software development life cycle, debugging applications and configuring existing systems. If you’re equally happy to roll up your sleeves to write code and review other team members’ work, we’d like to meet you.

Ultimately, you’ll use your expertise in the .NET framework to help us deploy high-quality applications.

• Should have an overall 4+ years of professional experience in developing web applications on ASP.NET MVC/ASP.NET CORE.
• Experience coding, testing and documenting .Net/React JS Web Applications
• Excellent database management skill in Sql Server, My Sql
• Experience working in a waterfall/agile environment
• Experience building complex web systems that have been successfully delivered to customers
• Ability to take a project from scoping requirements through actual launch of the project
• Experience in communicating with users, other technical teams and management to collect requirements, identify tasks, provide estimates and meet production deadlines
• Experience with professional software engineering best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing and operations
• Eagerness and willingness to learn new technologies

• Requirements:
• ·       You have 8+ years of professional software engineering experience with a proven track record of shipping high-impact, scalable products.
• ·       You have architectural-level expertise in a modern programming language (TypeScript/JavaScript, Python, Go, or Java).
• ·       You have deep experience designing, building, and operating distributed systems in a cloud environment (AWS or GCP).
• ·       You are proficient in building and consuming web APIs (REST/GraphQL) and designing robust systems for caching (Redis) and asynchronous processing (message queues).
• ·       You have advanced expertise in designing, optimizing, and scaling SQL/NoSQL databases for high-traffic applications.
• ·       You are well-versed in CI/CD pipelines, Docker, and infrastructure-as-code (e.g., Terraform).
• ·       You thrive in ambiguity and can define technical roadmaps from vague business goals.
• ·       You communicate complex trade-offs clearly to both technical and executive stakeholders.
• ·       You champion operational excellence and influence how teams build, deploy, and maintain software.
• ·       Bonus skills: Advanced database optimization, distributed systems design, infrastructure-as-code expertise, or prompt engineering / LLM tooling experience.
• 
  
• Job Description:
• Architect, own, and deliver complex, multi-quarter projects end-to-end, setting the technical vision for your domain.
• Identify and address architectural gaps, scale critical systems, and drive continuous improvements in performance, reliability, and scalability.
• Collaborate closely with product, design, and business leaders to translate ambiguous business goals into clear technical roadmaps and execution strategies.
• Establish and champion best practices for operational excellence — including monitoring, alerting, on-call preparedness, and incident response.
• Mentor and guide L1/L2 engineers, lead through high-quality design documents and code reviews, and elevate engineering standards across the organization.
• Work hands-on with our complete stack:
• Frontend: React/Next.js + TypeScript
• Backend: Node.js / FastAPI / Go
• Databases: Postgres, Redis (SQL/NoSQL)
• DevOps & CI/CD: Docker, GitHub Actions, AWS/GCP, Terraform, Kubernetes
• Observability & Monitoring: OpenTelemetry, Grafana/Prometheus, Sentry
• AI-native productivity: Cursor for daily development, copilots, and AI codegen tools
• Measure impact through:
• Outcome: Ownership of key product-area outcomes that drive top-level company metrics.
• Quality: Architectural improvements that enhance reliability, reduce defects, and accelerate delivery.
• Speed: Ability to unblock teams and drive progress on complex initiatives efficiently.
• Technical Leadership: Setting direction, defining standards, and influencing the broader engineering organization.

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We are looking for Fullstack Engineers (MERN) to help us in the next stage of our journey with experience in developing real-time server applications based on Node.js, Express.js, MongoDB databases

• Write, execute and maintain clean, reusable, and scalable code
• Integrate our various data storage solutions
• Should be comfortable around both front-end and back-end coding languages, development frameworks, and third-party libraries
• Ensure the responsiveness and boost the performance of our apps
• Find and address the various bottlenecks and bug-fixes
• Help in code automatization

• Proven experience in high-level programming languages like Node.js and Express.js with state management tools like Redux
• Good understanding of React, Next.JS, Bootstrap, and Material UI
• Thorough understanding of modeling and scaling databases like Firebase, and SQL
• Expertise in developing micro-services based REST APIs and exposure to API Gateway
• Should be well-versed with collaboration tools like Git, JIRA, etc
• Comfortable working within GCP, AWS, Azure, or equivalent ecosystem
• Knowledge on open-source technologies such as NoSQL, MongoDB, Data Formats (XML / JSON), JavaScript Frameworks ReactJS, JS, JQuery, CSS, HTML5, in-memory databases, Build tools like webpack.

• 2+ years of prior experience working in a software engineering environment
• B. E in Computer Science/Information Science or equivalent degree

Senior Software Engineers are responsible for the design and development of the suite of cloud-based software products utilizing cutting-edge tools and technologies.

What You Will Be Doing:

Work on Internet scale applications, where performance, reliability, and scalability, are critical design goals – not after-thoughts.
Learn the nuts and bolts of Microservices Architecture and build robust RESTful APIs.
Create beautiful, interactive, and easy-to-use web applications using modern client-side frameworks and libraries.
Gain experience with different database technologies, ranging from traditional relational to the latest NoSQL products such as Couchbase and Elastic Search.
AWS for infrastructure, deploying services with ECS and Lambda

What You Will Need for this Position

The prerequisites for joining our development team are simple. We care more about your attitude and aptitude than the specific tools and technologies you have used in the past. You need to have a strong passion for software development and must take pride in your coding. You should also have great analytical skills and ability to handle complex, modular software development in a collaborative team-based environment.

5+ years of overall development experience, which ideally includes working with an object-oriented language (Java)
Experience with using and implementing RESTful APIs.
Experience with one or more of the following databases: traditional relational database as well as document/NoSQL storage.
Experience with JavaScript, React/Angular/Vue and Node.js. We will also welcome proven engineering leaders who are eager to immerse themselves in mastering Typescript/JavaScript and our tech stack
BS, MS or PhD in Computer Science OR related technical discipline.
Big plus if prior experience with video processing, streaming and video-related cloud services such as AWS Elemental & Amazon IVS

Salary :- No bar for deserving candidates

Apptroit is a leading Mobile App & Web Solution Development Company in the USA, UK, UAE and India and serving its clients across the globe. Also having proficient and dedicated Android app developers, iOS App developers, designers and digital marketing experts with a reputation for getting things done. We are well-versed in a variety of operating systems, networks, and databases. We work with just about any technology that a small business would encounter. We use this expertise to help customers with small to mid-sized projects.