Fullstack Developer

Review Criteria

• Strong Senior Backend Engineer profiles
• Must have 5+ years of hands-on Backend Engineering experience building scalable, production-grade systems
• Must have strong backend development experience using one or more frameworks (FastAPI / Django (Python), Spring (Java), Express (Node.js).
• Must have deep understanding of relevant libraries, tools, and best practices within the chosen backend framework
• Must have strong experience with databases, including SQL and NoSQL, along with efficient data modeling and performance optimization
• Must have experience designing, building, and maintaining APIs, services, and backend systems, including system design and clean code practices
• Experience with financial systems, billing platforms, or fintech applications is highly preferred (fintech background is a strong plus)
• (Company) – Must have worked in product companies / startups, preferably Series A to Series D
• (Education) – Candidates from top engineering institutes (IITs, BITS, or equivalent Tier-1 colleges) are preferred

Role & Responsibilities

As a Founding Engineer at company, you'll join our engineering team during an exciting growth phase, contributing to a platform that handles complex financial operations for B2B companies. You'll work on building scalable systems that automate billing, usage metering, revenue recognition, and financial reporting—directly impacting how businesses manage their revenue operations.

This role is perfect for someone who thrives in a dynamic startup environment where requirements evolve quickly and problems need creative solutions. You'll work on diverse technical challenges, from API development to external integrations, while collaborating with senior engineers, product managers, and customer success teams.

Key Responsibilities-

• Build core platform features: Develop robust APIs, services, and integrations that power company’s billing automation and revenue recognition capabilities
• Work across the full stack: Contribute to both backend services and frontend interfaces, ensuring seamless user experiences
• Implement critical integrations: Connect company with external systems including CRMs, data warehouses, ERPs, and payment processors
• Optimize for scale: Build systems that handle complex pricing models, high-volume usage data, and real-time financial calculations
• Drive quality and best practices: Write clean, maintainable code while participating in code reviews and architectural discussions
• Solve complex problems: Debug issues across the stack and work closely with teams to address evolving client needs

The Impact You'll Make-

• Power business growth: Your code will directly enable billing and revenue operations for fast-growing B2B companies, helping them scale without operational bottlenecks
• Build critical financial infrastructure: Contribute to systems handling millions in transactions while ensuring accurate, compliant revenue recognition
• Shape product direction: Join during our scaling phase where your contributions immediately impact product evolution and customer success
• Accelerate your expertise: Gain deep knowledge in financial systems, B2B SaaS operations, and enterprise software while working with industry veterans
• Drive the future of B2B commerce: Help create infrastructure powering next-generation pricing models from usage-based to value-based billing.

This is a full-time on-site role for a Full Stack Developer at Arahas in Gurugram. As a Full Stack Developer, you will be responsible for both front-end and back-end web development, software development, and utilizing cascading style sheets (CSS).

·. The candidate should have a minimum of 5 years of experience in developing robust, scalable web applications.

Immediate joiners are preferred .

Key Skills:

• 5+ years of experience with Angular 2+, Node.js, and MongoDB

• Strong knowledge of front-end technologies (HTML5, CSS3, JavaScript)

Responsibilities:

• Develop and maintain full-stack web applications

• Collaborate with cross-functional teams to deliver high-quality solutions

• Write clean, scalable, and maintainable code

• Troubleshoot and optimize application performance

Company Profile :-

Arahas excels in delivering sustainable solutions to diverse sectors, including Telecom, Defense, Land Management, Smart & Sustainable City, Utilities, Municipal Services, Environment, Infrastructure & Real-estate, Forest Management, Logistics & Distribution, Public Safety, Wildlife, Water & Rainfall, Emergency and Disaster Management.

Backed by marquee climate investors like NIIF, Arahas is at the forefront of India's green economy transition. Arahas has seen impressive growth, now working with 30+ clients across urban development, agriculture, disaster response, and ESG performance management. With 110+ professionals delivering solutions from 5+ delivery centers, Arahas combines human expertise and digital capabilities into innovative offerings across 15+ product and service lines.

At least 4 years' experience as a Node.js developer.

Experience in Microservices

Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.

Mandatory experience in Postgres and MySql.

Knowledge of front-end technologies such as HTML5 and CSS3.

Superb interpersonal, communication, and collaboration skills.

Exceptional analytical and problem-solving aptitude.

Exp: 2-8 Years

Immediate joiners or serving Notice only

Qualification BTech or BCA+MCA Only

Location – Gurgaon

Requirement - 6

        Must to have Angular 2/4/6/8/10 or Upper version, C# & WebAPI

• Programming experience using C#, Type Script languages.
• Programming experience using Angular2 & upper versions.
• Programming experience using RestAPI & WebAPI.
• Experience using relevant tool Microsoft Visual studio and Visual studio code.
• Extensive knowledge of agile methodologies.

We are looking for a seasoned full-stack developer(JavaScript) to build out and manage our Web and API infrastructure. Successful candidates will have a minimum of three years’ recent experience with all of the skills listed below.

Our project entails implementing our pre-approved UI, constructing our API, connecting the two, and setting up our cloud infrastructure. This includes all associated areas such as database and architecture design.

• Design and implementation of the overall web architecture
• “Pixel-perfect” implementation of our approved user interface
• Ensuring the entire stack is designed and built for speed and scalability
• Design and construction of our REST API and integration with front-end
• Design and implementation of continuous integration and deployment
• Write clean, great quality, scalable and maintainable code with thorough testing
• Troubleshoot, test and maintain the products and databases to ensure strong optimization and functionality

At least two years’ experience with:

• Writing HTML, CSS, and JavaScript. Being up on latest practices is a must, e.g., HTML5, CSS3, and ECMAScript 6 (minimum)
• A relevant experience in back-end programming with NodeJS
• A relevant experience in front-end programming with ReactJS
• Database design and management of MySQL and DynamoDB
• Cloud infra management and deployment for the relevant environment
• Ideally, familiarity with Sass and Webpack
• Thorough understanding of user experience and possibly even product strategy
• Experience implementing testing platforms and unit tests
• Proficiency with Git
• Appreciation for clean and well documented code
• Knowledge of Serverless Framework and AWS Lambda is a plus.

Responsibilities Include

You will break down business opportunities and problems into software solutions. You will work closely with the CTO to help product and marketing stakeholders distill the product vision and roadmap, into a technology vision. You will be responsible for the evolution of an already bleeding-edge highly distributed systems at the back-end, and would need to work with front-end architects to come up with the best user experience for the gaming platform. You will be required to make decisions quickly, and work under strict timelines. You would lead technology strategy through analysis of market trends and product requirements. You would help set coding guidelines and help bring the most modern tools to keep engineering processes most efficient.

Requirements

• B.E/MS in Computer Science or equivalent.
• 10+ years or more of progressive software technology experience with at least 3 years in an architectural role.
• Completely hands on with technology and architecture. Start-up experience is a huge plus.
• Ability to quickly prototype and demonstrate technology value adds and educate + drive adoption within the extended technology team
• Excellent and robust understanding of scalable product system architecture(s), platforms and core technologies
• Demonstrated problem-solving and leadership skills to pursue correct engineering process in adverse conditions. Ability to embrace and demonstrate leadership beyond ownership
• Work with engineering leadership to setup and manage processes.
• Track record of thought leadership and out of the box thinking in the technology arena.
• Ability to work efficiently in an entrepreneurial and in a start-up environment
• A Java/Spring/Akka, Javascript or Golang rockstar.
• Deep and hands on knowledge of some of these technologies - MySQL, NodeJS, message brokers such as Kafka/RabbitMQ, NoSQL datastore such as Mongo, Cassandra, Arango, distributed caches such as Redis/memcached, container technology such as Docker and Kubernetes etc.
• Great proficiency in distributed systems design, with an ability to make the right trade-offs for creating future-proof solutions.
• Building quick PoCs and full-fledged solutions with various AWS managed services would be a big plus.