Backend - Node Js 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.

About Us:

Tradelab Technologies Pvt Ltd is not for those seeking comfort—we are for those hungry to make a mark in the trading and fintech industry. If you are looking for just another backend role, this isn’t it. We want risk-takers, relentless learners, and those who find joy in pushing their limits

every day. If you thrive in high-stakes environments and have a deep passion for performance driven backend systems, we want you.

What You Will Do:

• Develop and optimize high-performance backend systems in Golang for trading platforms and financial

services.

• Architect low-latency, high-throughput microservices that push the boundaries of speed and efficiency.

• Build event-driven, fault-tolerant systems that can handle massive real-time data streams.

• Own your work—no babysitting, no micromanagement.

• Work alongside equally driven engineers who expect nothing less than brilliance.

• Learn faster than you ever thought possible.

Must-Have Skills:

• Proven expertise in Golang (if you need to prove yourself, this isn’t the role for you).

• Deep understanding of concurrency, memory management, and system design.

• Experience with Trading, market data processing, or low-latency systems.

• Strong knowledge of distributed systems, message queues (Kafka, RabbitMQ), and real-time processing.

• Hands-on with Docker, Kubernetes, and CI/CD pipelines.

• A portfolio of work that speaks louder than a resume.

Nice-to-Have Skills:

• Past experience in fintech, trading systems, or algorithmic trading.

• Contributions to open-source Golang projects.

• A history of building something impactful from scratch.

• Understanding of FIX protocol, WebSockets, and streaming APIs.

We're looking for Node js developers with over 2+ years of experience and strong expertise in Javascript based development using Node js and Express. We are looking for cadidates who are go-getters and are leaning towards leadership positions. Candidates must have a proven history of building, scaling, optimising and securing 

We would prefer candidates who can join immediately or are currently serving their notice period.

Key Skills Required : 

• Work as part of a team developing applications and services using Agile development methods
• Contribute to team and organizational improvements in process and infrastructure
• Build customer-facing UI and back-end services for payment processing administration and management
• Code, teste and operate node.js based services
• Effectively use tools and ingenuity to identify and fix defects before they become a problem

• • Previous working experience as a Node.js Developer for 2  years
  • BE /B.Tech in computer science or similar relevant field
  • In depth knowledge of Node.js
  • Hands on experience with HTML, CSS, and AJAX
  • Development experience designing object oriented JavaScript and SVG
  • Applicable knowledge of web libraries and frameworks such as AngularJS, Polymer, and Closure
  • Familiarity with the whole web stack, including protocols and web server optimization techniques
  • Strong analytical skills and problem solving aptitude
  • Attention to details

Brief:

We are pursuing a complex set of problems that involve building for an international audience and for an industry that has largely been service-centric. As an SDE at GradRight, you’ll bring an unmatched customer-centricity to your work, with a focus on building for the long term and large scale.

You’ll contribute to frameworks that enable flexible/scalable customer journeys and tying them with institutional knowledge to help us build the best experiences for students and our partners.

Responsibilities:

1. Contribute to design discussions and decisions around building scalable and modular architecture
2. Build clean, modular and scalable backend services
3. Participate in sprint ceremonies and actively contribute to scaling the engineering organization from a process perspective
4. Stay on top of the software engineering ecosystem and propose new technologies/methodologies that can be adopted
5. Contribute to engineering hiring by conducting interviews
6. Champion infrastructure as code mindset and encourage automation
7. Manage and mentor a small team of junior engineers

Requirements:

1. At least 4 years experience as an SDE, building large scale services
2. Extensive experience in at least one programming language and ability to write maintainable, scalable and unit-testable code
3. Strong understanding of software design principles and patterns
4. Excellent command over data structures and algorithms
5. Passion for solving complex problems
6. Good understanding of various database technologies with strong opinions around their use cases
7. Experience with performance monitoring and scaling backend services
8. Experience with microservices and distributed systems in general
9. Experience with team management
10. Excellent written and verbal communication skills

Good to have:

1. Experience working with node.js, MongoDB and Google Cloud
2. Experience in CI/CD and cloud infrastructure management
3. Worked on products that addressed an international audience
4. Worked on products that scaled to millions of users

• Clarify feature requirements with product team
• Design end to end feature flow
• Write scalable and bug free code
• Take care of test and deployment pipeline
• Maintaining the existing products

• Must have experience with any scripting language (Javascript/NodeJS preferred)
• Experience with API-driven and highly scalable application is a plus
• Good knowledge of non relational DB (MongoDB preferred)
• Good with data structure and algorithms
• Good to have an experience with testing framework and CI/CD pipeline

Roles and Responsibilities:

1.Build high-performance applications by writing testable, reusable, and efficient code.
2. Strong knowledge in Nodejs, Javascript & Typescript

3.Develop and maintain all server-side components.

4.Develop high-performance and scalable APIs to serve clients.

5.Collaborate with front-end developers on the integration of well written APIs.

6.Implement effective security protocols, data protection measures, and storage solutions.

7.Investigate issues by reviewing/debugging code, provide fixes and workarounds, and review changes for operability to maintain existing software solutions.

8.Develop and manage well-functioning databases and applications

9.Run diagnostic tests, repairing defects, and provide technical support.

10.Be our NodeJS champion by keeping an eye out for emerging technologies and recommending improvements.

11. You will work within a team, collaborate and add value through participation in peer code reviews, provide comments and suggestions, and work with cross functional teams to achieve goals.

12. Design back end services for various business processes

13. You will assume technical accountability for your specific work products within an application and provide technical support during solution design for new requirements.

14. Design server side architecture

• Deliver features in an end-to-end manner: technical design, development, testing, deployment, and maintenance.
• Provide technical leadership and own specific areas of the platform.
• Work closely with Product Managers to translate product requirements to engineering specifications.
• Lead code review efforts and quality efforts in your area of ownership.
• Participate in product discussions, taking ownership and initiative.
• Work independently in a fast-paced environment.
• Mentored and guide junior engineers.

Must Haves:

• Minimum 2 years of working experience in Ruby on Rails/ Python/ Node.JS.
• Strong problem-solving skills, data structures, and algorithms.
• Excellent experience on databases like MySQL, PostgreSQL, etc.
• Familiarity with tools for code reviews, version control (GIT).
• A knack for writing clean, readable Ruby/ Python/Node.JS code.
• Experience in application server hosting and monitoring.
• Understanding of fundamental design principles behind a scalable application.

Nice to Have:

• Hands-on with search platforms (Solr, Elasticsearch, etc).
• Prior experience with microservices-based architecture/SOA/distributed systems.
• Able to implement automated testing platforms and unit tests.
• Experience with common AWS service EC2, RDS, S3, SES, etc.

Key Competencies:

• Building Effective Team
• Solving Problems Creatively
• Learning Agility
• Drive For Result

We want a MEAN stack developer who is definitely not mean but is enthusiastic, quick at grasping, and has experience in handling multiple projects and codebases.

You should be energetic, authoritative, focused, and experimental at work.

We are looking for experienced backend engineers only.

Apply only if you have 8 YES out of the following 10 qualifying criteria :

-Strong grip over HTML, CSS, and Angular 9+

-Good with CSS styling and theming

-Expert at API development using NodeJS

-Experienced with MongoDB DB

-Self-starter with good communication skills

-At least 2+ years of experience

-Must be willing to work from Bangalore (HSR)

-Have than 2 years of experience with multiple frontend projects in MEAN Stack?

-HAVE worked in a B2C Startup for at least a year?

-CAN join in within 30-45 days?