Job description
We are looking for a highly motivated Node.js developer to optimize our application performance. You will be collaborating with our front-end application developers, designing back-end components, and integrating data storage and protection solutions.
Responsibilities
- Work as part of a team developing applications and services using Agile development methods
- Contribute to team and organizational improvements in process and infrastructure
- Integration of user-facing elements developed by front-end developers with server-side logic
- Writing reusable, testable, and efficient code
- Design and implementation of low-latency, high-availability, and performant applications
- Implementation of security and data protection
- Integration of data storage solutions (may include databases, key-value stores, blob stores, etc.)
Skills
- Excellent interpersonal, communication, and collaboration skills.
- Exceptional analytical and problem-solving aptitude.
- Great organizational and time management skills.
- At least 5 years’ experience as a Node.js developer.
- Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
- BitRise, BitBucket, GitHub
- Fluent in AWS environment and MicroServices
- Knowledge of front-end technologies such as HTML5 and CSS3.

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WHAT YOU'LL WORK ON
- Design and implement scalable APIs and microservices using Node.js & Express
- Manage deployments via GitHub Actions and CodeDeploy; work with Docker & AWS
- Optimize MongoDB queries and use Redis caching for high-concurrency traffic
- Bridge Figma designs to backend logic using Next.js and Tailwind CSS
- Maintain monitoring with Nginx & PM2 to ensure 99.9% uptime
WHAT WE'RE LOOKING FOR
- 1+ year of professional experience building and maintaining production applications
- Deep Node.js knowledge: async programming, RESTful API architecture
- MongoDB mastery: schema design, indexing strategies, complex aggregation pipelines
- Hands-on AWS (EC2/S3 minimum) and practical CI/CD pipeline experience
- Proven ability to take a feature from PRD / Figma to stable production deployment
WHAT WILL MAKE YOU STAND OUT
- Experience maintaining apps with high concurrent user counts
- Comfortable with Nginx configs and Dockerfiles
- Hands-on with payment gateway integration (Cashfree) and webhook handling
- Obsession with maintainable, well-documented, DRY code
AI Usage Policy:
AI tools (Cursor, Copilot, GPT-4) are force multipliers — use them. But you must own your code, reason hrough architectural trade-offs, and debug without relying solely on AI.
HOW TO APPLY:
- Tell us about the most complex bug you've solved or a backend system you built from scratch
- Share your GitHub profile
- Include at least two live project links showcasing your best work
- Your code will directly impact the learning outcomes of thousands of students.
Job Description – Backend Python Developer(Mid-Level)
📍 Location: Mumbai/Gurgaon | Full-time
Backend Python Developer
Role Overview
We are seeking a skilled Backend Python Developer to design, develop, and maintain backend services, APIs, and integrations that power our AI-driven automation solutions.
You will collaborate closely with senior engineers, AI/ML teams, and frontend developers to build scalable, high-performance systems. This role is ideal for professionals with solid backend experience who are eager to deepen their expertise in Python, cloud technologies, and AI-based applications.
Key Responsibilities
- Develop and maintain backend APIs, services, and system integrations using Python
- Collaborate on system design and architecture discussions with senior engineers
- Write clean, scalable, and well-documented code following best practices
- Ensure performance, scalability, and reliability in cloud environments
- Design and manage SQL/NoSQL databases for structured and unstructured data
- Support integration of AI/ML models into production workflows
- Participate in code reviews, unit testing, and debugging
- Contribute to CI/CD pipelines, containerization, and DevOps processes
Required Skills & Qualifications
- 3–5 years of experience in backend development
- Strong proficiency in Python
- Hands-on experience with frameworks such as FastAPI, Flask, or Django
- Experience building and consuming REST APIs (GraphQL is a plus)
- Strong database knowledge: PostgreSQL, MySQL, MongoDB, or Redis
- Familiarity with cloud platforms (AWS, GCP, or Azure)
- Hands-on experience with Docker and Kubernetes
- Strong understanding of OOP, data structures, algorithms, and design patterns
Preferred Skills
- Exposure to AI/ML workflows or a strong interest in learning
- Experience with message brokers such as Kafka, RabbitMQ, or Celery
- Knowledge of asynchronous programming (asyncio, Celery, etc.)
- Experience with unit testing frameworks (PyTest, unittest)
- Understanding of API security and authentication (OAuth2, JWT)
What We Offer
- Competitive compensation with growth opportunities
- Opportunity to work on AI-first automation products used globally
- Mentorship from experienced senior engineers
- Flexible work environment
- Continuous learning support in Python, Cloud, and AI/Automation technologies
If you are a technology enthusiast, we have the perfect job for you! We are looking for Node.Js Developers to join our agile team of professionals.
Responsibilities:
- Developing and maintaining all server-side network components.
- Ensuring optimal performance of the central database and responsiveness to front-end requests.
- Collaborating with front-end developers on the integration of elements.
- Designing customer-facing UI and back-end services for various business processes.
- Developing high-performance applications by writing testable, reusable, and efficient code.
- Implementing effective security protocols, data protection measures, and storage solutions.
- Running diagnostic tests, repairing defects, and providing technical support.
- Documenting Node.js processes, including database schemas, as well as preparing reports.
- Recommending and implementing improvements to processes and technologies.
- Keeping informed of advancements in the field of Node.js development.
Requirements:
- Bachelor's degree in computer science, information science, or similar.
- At least two years' experience as a Node.js developer.
- Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
- Knowledge of front-end technologies such as HTML5 and CSS3.
- Superb interpersonal, communication, and collaboration skills.
- Exceptional analytical and problem-solving aptitude.
- Great organizational and time management skills.
- Availability to resolve urgent web application issues outside of business hours.
The business is creating a family of purposeful brands with products that solve a particular problem for a small segment of people. Each brand provides the essentials to make an individual segment of people lead a graceful life full of purpose and wellbeing. Each brand offers high quality, responsibly-made products that are inviting and easy to use, paired with access to ongoing guidance and support.
Role
You will be responsible for architecting and setting the standards for building our core backend/microservices. Also, you will be responsible for shaping up the entire system for scale and collaborating intensively with the frontend and design teams to create the best consumer experiences.
Responsibilities
● Develop microservices that will be used by the frontend through API endpoints.
● Translate business requirements into high quality code.
● Ensure that the code is deployed in a secure and scalable fashion.
● Focus on code maintainability and performance of application.
● Provide technical advice and assists in solving programming problems.
● Enhance Analytics and overall backend architecture for better performance.
Requirements
● At least 1 years of experience on NodeJS
● Practical experience in building APIs
● Experience with RabbitMQ or similar queuing system
● Experience with Redis/ElasticSearch is a plus
● Familiarity with CI/CD pipeline tools like Jenkins
● Practical experience with Git
● A knack for benchmarking and optimization
● Experience with AWS services is a plus
***Client works for 6 days a week***
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers
- Ability to understand business requirements and translate them into technical requirements
- You will ensure that these components and the overall application are robust and easy to maintain.
- Have a good understanding of design and user experience principles.
- Open-minded, flexible, and willing to adapt to changing situations
- Ability to work independently as well as on a team and learn from colleagues
- High adaptability in a dynamic start-up environment
- Ensuring technologies are used efficiently, profitably, and securely. Evaluating and implementing new systems and infrastructure.
- Excellent troubleshooting, analytical and problem-solving abilities with a tenacious commitment to finding the root cause of issues.
Qualifications :
- B. Tech/ B.E. /M. Tech/ BCA / MCA or a related technical discipline from reputed universities
Skills Required :
- Minimum 2+ years of experience in REST API development using python.
- Must have experience with anyone popular python frameworks like Django, Flask, and FastAPI Framework.
- Experience in designing and developing Restful Web services and Remote procedure calls.
- Able to integrate multiple data sources and databases into one system
- Knowledge of load testing and optimizing code for performance, security, and scalability
- Experience with Unit testing frameworks in Python
- Knowledge of modern authorization & authentication mechanisms.
- Able to create database schemes that represent and support business processes
- Knowledge of Version Control System & basics of CI/CD
- Write and maintain technical documentation
- Solid foundation in OOPS, Data structures, and Algorithms
- Knowledge of SDLC phases of project development.
- Experience in one or more No SQL Databases such as MongoDB, and Cassandra.
- Experience with event-based databases and programming
- Good experience in synchronous programming and thread-based programming.
- Experience with schedulers.
- Good to have knowledge of Linux shell commands.
- Good to have experience in Kubernetes & Docker
- Knowledge of any Cloud Service like GCP or AWS would be an added advantage
- Cares deeply about writing Quality, Testable & Modular code
- Good to have an understanding of NLP.
BillTrim uses ML + Human to negotiate and monitor all utility bills such as cable, internet, cell phone, electricity, auto insurance, etc
BillTrim negotiates a better rate and protects our customers from overpaying.
BillTrim is San Francisco-based growing startup funded by well-respected and proven investors.
Why work with us?
BillTrim is here to make history. We are passionate to solve problems.
We deeply care about our customers.
To work on something great, something big not average.
We do not compromise with quality. To make SAAS that customers will love and appreciate.
To witness crazy growth and take your career and take it to new heights.
We believe in one outstanding employee gets more done and costs less than two adequate employees.
Less is better, do not clutter unnecessary text, images, buttons, or even a line of code.
We follow Silicon Valley culture.
Personality traits to become a part of BillTrimmer's famiy:
Go to attitude
Tenacious and hungry to make a name
Willing to learn and adapt
Willing to work on weekends if need be
Filled with curiosity and not afraid to ask questions
Think independently and be open-minded to possibilities
Do not apply:
If you are looking for a regular 9 to 5 job
If you are not willing to make BillTrim a priority in your life
If you are not willing to give your best.
If you do not enjoy working in fast pace startup
If you are not comfortable in doing a job you aren't hired for
If you need someone to explain to you every single detail
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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?
Role Summary: Back-end Developer who would contribute towards building a highly flexible and scalable Back- end by bringing deep core technology expertise.
Job Description:
- Develop modules keeping micro services architecture philosophies in check. - Implement and/or oversee implementation of different modules as part of an integrated development team. - Drive evolution of application performance. - Ensure project scalability by having good project architecture
Skill Requirements:
- Strong Node.js. - Strong database technology skillsets, namely MongoDB, MySQL
- Should have experience of using Rabbit MQ.
- Python (Django) skills are a plus. - A skilled and pragmatic approach.
- Experience with user-centred design, test-driven development, iterative/incremental and agile practices. - Experience with AWS deployment a definite plus.
Individual applying to the role should ideally have the following attributes.
-Passionate about back-end Development and continually follow the platform & innovations
-Strong and innovative approach to problem solving and finding solutions
- Excellent communicator (written and verbal, formal and informal)
- Flexible and proactive/self-motivated working style with strong personal ownership of problem resolution
- Ability to multi-task under pressure and work independently with minimal supervision.
- Ability to prioritize when under pressure.
In this role, you should be able to write functional code with a sharp eye for spotting defects. You should be a team player and an excellent communicator. If you are also passionate about the .NET framework and software design/architecture, we- d like to meet you.
Your goal will be to work with internal teams to design, develop and maintain software.
Responsibilities and Duties :
- Writing clean, scalable code using .NET programming languages.
- Build high-quality scalable and predictable web applications on the .NET Technology stack and maintain internal and external facing web applications.
- Creating and integrating services and APIs using Web API 2 for various products and applications.
- Working on system architecture and databasing in MongoDB, MySQL, and NoSQL.
- Make regular modifications to existing software for error correction, adaptation to new hardware, and improving overall function and performance
- Evaluate new code for reliable architecture, stability, reusability, performance, automation, security, and metrics
- Using JSON to store and transport data.
- Working with other team members and the team lead using Project Management Tools and Version Source Control to create industry-leading technological products.
Skills required:
- 1 - 3 years of experience in MongoDB.
- Knowledge about AWS Cloud is an added advantage.
- Knowledge of .NET development and lifecycle methods in C# Language.
- Experience in making Web API 2 including routes, class components, async methods, parallel programming, authentication, and authorization, etc.
- Experience and hands-on knowledge of data management methods with MongoDB, MySQL, or NoSQL, etc.
- Should have experience and understanding of using JSON.
- Familiarity with working with .NET Framework, JavaScript, HTML. Knowledge of .NET Core is preferred.
- Knowledge and experience working with AWS Cloud and cloud computing techniques is an added advantage, but not a requirement.
- Having a BSc Degree in Computer Science is optional but should have some educational knowledge of computer science.












