Backend Developer

We are looking for a skilled Backend Developer with strong experience in building, scaling, and optimizing server-side systems. The ideal candidate is proficient in Node.js, FastAPI (Python), and database design, with hands-on experience in cloud infrastructure on AWS or GCP.

Responsibilities:

Design, develop, and maintain scalable backend services and APIs using Node.js and FastAPI

Build robust data models and optimize performance for SQL and NoSQL databases

Architect and deploy backend services on GCP/AWS, leveraging managed cloud services. 

Implement clean, modular, and testable code with proper CI/CD and observability (logs, metrics, alerts)

Ensure system reliability, security, and high availability for production environments

Requirements:

2–5 years of backend development experience

Strong proficiency in Node.js, FastAPI, REST APIs, and microservice architecture

Solid understanding of PostgreSQL/MySQL, MongoDB/Redis or similar NoSQL systems

Hands-on experience with AWS or GCP, Docker, and modern DevOps workflows

Experience with caching, queueing, authentication, and API performance optimization

Good to Have:

Experience with event-driven architecture, WebSockets, or serverless functions

Familiarity with Kubernetes or Terraform

Job Location: Gurugram, Haryana, India

Industry: Artificial Intelligence

• Leads more than one projects end-to-end and collaborates across functions. Drives planning, estimation and execution.
• Manages stakeholder expectations and offers scalable, reliable, performant and easy to maintain solutions
• Consistently delivers complex, well backed and bug-free products in time
• Consistently takes well thought technical/design decisions
• Develops expertise in more than one area and shares knowledge with others. able to mentor/train in areas which are new to them.
• Drives people to solve engineering challenges
• Enjoys high respect of Tech and other cross functional teams
• Demonstrates effective communication with project team, management and

internal/external clients as necessary.

• Surfaces both technical and non-technical team challenges and helps resolve them
• Champion for SDLC best practices and high quality standards

• Expert at in RoR, Golang, NodeJS or Python. Good to have exposure to ML.
• Must have experience in cloud computing
• Operates independently with almost no oversight
• Is able to apply domain expertise to think critically and make wise decisions for the

team, taking into account tradeoffs and constraints.

• Communicates tech decisions through design docs and tech talks
• Has delivered multiple projects with end-to-end engineering ownership
• Keeps track of new technology/tools and embraces them as necessary
• 7+ years of experience in product driven organization
• A Bachelors or Masters degree in engineering from a reputed institute (preferably

Back End development of websites and applications using PHP,
AJAX and JS and their frameworks to create and integrate
functional web standard projects. Taking ready HTML/CSS files
from front end developers and executing the project based on the
logic and wireframes provided by designers

Solid knowledge of PHP, MySQL, JSON, and XML
● Proven experience building data-driven web
applications
● Experience working with API development
● Familiarity with design patterns such as MVC
● Experience with Open Source PHP CMS such as
WordPress or Drupal or Magento
● Comfortable with data modeling, stored
procedures, and views
● Ability to work closely with front end developers
● Knowledge of JavaScript / jQuery skills / HTML / CSS
● Experience building large, scalable applications
● Experience building custom
content management
systems
● Awareness of current development trends in the
coding and development like Docker, Micro
services and an understanding of how these
technologies can improve and impact projects
● Knowledge of GIT or any other version control
software.

Simform is a fast-growing software services company mainly serving and having a presence in North America. Simform has built a solid work culture that is focused on learning, growth, and work-life balance. Simform is well-known for its very good work culture and loved by employees.

Please read more about the company and work culture here : https://www.simform.com/careers/

Job Description :

Summary : Major focus will be the development of server-side logic to ensure high performance and responsiveness to requests received from front-end. Deployment on the production server.

Responsibilities :

- Understanding the project requirement and coding the programs efficiently to meet the client's requirements to the closest proximity.

- Optimise output to run smoothly on multiple delivery platforms.

- Design and implement low-latency, high-availability, and performant applications.

- Integration of user interface elements developed by front-end developers with server-side logic.

- Integration of multiple data sources and databases into one system.

- Integration of data storage and third-party library/package into the application.

- Create or integrate any such thing manually if not available on standard package list.

- Create the best fitted and scalable database schema for particular business logic.

- Should be hands-on in reading large volumes of data from the database, or over HTTP(S)/WebSockets.

- Ensure programs and applications are bug-free and run smoothly.

Skills And Qualifications :

- Familiarity with Python web stacks and In-depth knowledge of different frameworks (Django, Flask, etc.)

- Understanding different types of Object Relational Mappers.

- Ability to work on multiple API integrations, and write modular reusable code.

- Understanding of the threading limitations of Python, and multi-process architecture

- Good knowledge of a server-side templating language.

- Basic understanding of front-end frameworks such as Angular, ReactJs, VueJs and technologies such as JavaScript, HTML5, and CSS3

- Knowledge of user authentication and authorisation between multiple systems, servers, and environments

- Understanding of fundamental design principles behind a scalable application

- Familiarity with object event-driven programming in Python

- Strong unit test and debugging skills

- Proficient understanding of code versioning tools, such as Git, Mercurial or SVN.

Type: Individual contributor with good hands on proficiency. 

Must have

• Strong proficiency in at least one of  Java, Ruby, Python
• Exposure to databases: any of  PostgreSQL, MySQL, Apache Cassandra
• Any NoSQL database experience is a plus
• Exposure to AWS cloud infrastructure: EC2 or S3 
• Proficiency with Git
• MUST: Using REST to make API calls. 

Great to have: 

• Experience working with one or more middleware, enterprise bus, queueing frameworks
• Any of Memcached/Redis, Apache Kafka / RabbitMQ / PubSub+ / AmazonMQ

Soft skills:

• Appreciation for clean and well documented code

What will you do at Tradyl:

(Examples for illustration only)

• Build a shipping service module that is called by our website to query shipping rates from India to a destination country. Configure this to so that an Ops person can update shipping costs as and when they change. Own deployment and monitoring of this service. 
• Use Zapier to build a workflow to export a MixPanel report into a Google sheet every day.
• Change our supplier portal (built on bubble.io) to make an API call to our customer facing site, whenever a supplier modifies his profile.
• Write an alert mechanism that identifies catalogues with insufficient information and makes them non discoverable, which can run every day.
• Work with Business Team to design a workflow for product inwarding using Airtable. Write a small app within Airtable so that whenever a product is updated as “shipped” in airtable, it updates the customer facing website.
• Use an open source dashboarding framework to create a quick dashboard to track important business events.