Backend Developer

Job Title : Backend / API Developer - Python (FastAPI) / Node.js (Express)

Location : Remote

Experience : 4+ Years

Job Description :

We are looking for a skilled Backend / API Developer - Python (FastAPI) / Node.js (Express) with strong expertise in building secure, scalable, and reliable backend systems. The ideal candidate should be proficient in Python (FastAPI preferred) or Node.js (Express) and have hands-on experience deploying applications to serverless environments.

Key Responsibilities :

• Design, develop, and maintain RESTful APIs and backend services.
• Deploy and manage serverless applications on Cloudflare Workers, Firebase Functions, and Google Cloud Functions.
• Work with Google Cloud services including Cloud Run, Cloud Functions, Secret Manager, and IAM roles.
• Implement secure API development practices (HTTPS, input validation, and secrets management).
• Ensure performance optimization, scalability, and reliability of backend systems.
• Collaborate with front-end developers, DevOps, and product teams to deliver high-quality solutions.

Mandatory Skills :

Python (FastAPI) / Node.js (Express), Serverless Deployment (Cloudflare Workers, Firebase, GCP Functions), Google Cloud Services (Cloud Run, IAM, Secret Manager), API Security (HTTPS, Input Validation, Secrets Management).

Required Skills :

• Proficiency in Python (FastAPI preferred) or Node.js (Express).
• Hands-on experience with serverless platforms (Cloudflare Workers, Firebase Functions, GCP Functions).
• Familiarity with Google Cloud services (Cloud Run, IAM, Secret Manager, Cloud Functions).
• Strong understanding of secure API development (HTTPS, input validation, API keys & secret management).
• Knowledge of API design principles and best practices.
• Ability to work with CI/CD pipelines and modern development workflows.

Preferred Qualifications :

• Strong knowledge of microservices architecture.
• Experience with CI/CD pipelines.
• Knowledge of containerization (Docker, Kubernetes).
• Familiarity with monitoring and logging tools.

Responsibilities:

• Develop features and modules independently based on the overall product architecture provided.
• Research and find solutions to challenging new problems; align with technology needs of the future.
• Fully grasp the product concept and think through challenging customer variations and use cases.
• Proactively seek to identify issues and resolve them at the stages of design, deployment and QA.
• Maintain quality and ensure responsiveness of applications.
• Demonstrate a strong sense of milestone-based performance and adherence to overall development timelines.

Requirements:

Experience - 2 to 5 years experience in Java Tech stack

• Strong hands-on experience in Java, Spring Boot, microservices and Rest API.
• Good understanding of general data privacy and information security.
• Exposure to cloud securities for SAAS application development would be an added advantage.
• A good understanding of all facets of building and delivering data-centric products is desirable.
• Knowledge of code versioning tools.

• Hands-on Java Engineers, with experience building consumer-facing or enterprise applications using Java stack – Spring, Hibernate, MySQL
• Strong problem solving and analytical skills
• Strong understanding of Object-Oriented Programming concepts and Design patterns.

Do You Know? (Skills good to have)

• Exposure to building service-oriented distributed systems
• In building systems that process big data in a distributed environment, either in real-time streaming or offline batching.
• In messaging systems like Kafka, RabbitMQ, kinesis, etc.
• In real-time computation tools like Storm / Spark or Hadoop-based tools.
• In Data warehousing technologies like Redshift, BigQuery, etc.

Job Description:

• Programming and optimizing smart contracts

• Design, research and develop blockchain-based solutions

• Developing decentralized high-performance systems

• Building reliable and fast data storages

• Security audits of third-party and internal solutions

• Establishing policies and procedures that produce secure, high-quality software

• Write and review technical proposals

• Improve engineering standards, tooling, and processes

• Coding with concurrency, efficiency and scalability as primary motive

• Document systems, build runbooks, and automate those processes

• Being hands on by writing, testing, and deploying high-performance networking code

• Rigor on clean code, unit testing, code coverage and best practices

• Developing infrastructure software

Required qualifications:

4+ years experience in JAVA, 1+ year of experience in Blockchain, willingness to learn on the go, ability to write clean code, a strong sense of responsibility.

Tech Stack:

JAVA, git, linux, bash, ability to work with Docker.

Nice to have:

cryptography and system software development experience, understanding of design patterns, understanding of operating systems and networks, ability to design algorithms and mathematical models.

Role Description of Senior Software Engineer (.Net) – Full Stack

Your role would primarily be to strengthen our product by building and adding new product and improving the existing product features on the platform to improve existing offerings like

1. AI enabled remote proctoring and video-based Virtual Examination Solutions
2. Coding Skills Evaluation Solution for 15+ programming languages
3. Interview Product Like AonLive for corporates to virtually interview candidates.
4. CoCubes Assessment to assess candidates and apply for Jobs

The position will be based out of Gurgaon.

Primary Responsibilities

• .Net programming to build a world class product which is scalable and secure (model to be used by millions of users)
• Responsible for designing and appropriately structuring of code, developing modules, testing and productionalizing the modules with minimal handholding.
• Own the delivery of modules with minimal supervision and ensure delivery as per release plan
• Deliver product releases in rapid iterations; manage risks, dependencies, quality issues, delivery and integration timelines
• Contribute individually as well as manage a small team of junior resources
• Ensure compliance with guidelines, framework and best practices of the organization
• Work with global team and global products

Experience

• 3-6 years of strong experience in C#, Asp.Net/MVC/Razor Pages, SQL, Java Script, Jquery/Angular JS and HTML
  • Strong programming and web development expertise in ASP.Net
  • Experienced in handling end to end modules / client delivery independently
  • Should have managed junior team members

Desired Qualifications / Traits

• Good business acumen and analytical / problem solving abilities (including eye for detail)
  • Self driven, persistent, action oriented and goal driven
  • Integrity and professionalism in work

We Strongly Believe in

• Work Life Balance – Maintain a healthy balance between your work and personal life.
• Open Culture– We encourage open communication and feedback. Every one is easily approachable. No closed work cubicle in the office.
• Empowerment–Employees are given certain degree of autonomy and responsibility for decision making.
• Fun at Work – We believe fun and work go hand in hand. Parties and celebrating various occasions are integral part of the culture.
• Learning & Development–Through periodic AON training programs, focus is to keep improving employee’s technical and business skill.

Compensation
Compensation is best in the industry depending on experience and skills.