NodeJS Developer

Job Title : Senior Software Engineer – Backend

Experience Required : 6 to 12 Years

Location : Bengaluru (Hybrid – 3 Days Work From Office)

Number of Openings : 2

Work Hours : 11:00 AM – 8:00 PM IST

Notice Period : 30 Days Preferred

Work Location : SmartWorks The Cube, Karle Town SEZ, Building No. 5, Nagavara, Bangalore – 560045

Note : Face-to-face interview in Bangalore is mandatory during the second round.

Role Overview :

We are looking for an experienced Senior Backend Developer to join our growing team. This is a hands-on role focused on building cloud-based, scalable applications in the mortgage finance domain.

Key Responsibilities :

• Design, develop, and maintain backend components for cloud-based web applications.
• Contribute to architectural decisions involving microservices and distributed systems.
• Work extensively with Node.js and RESTful APIs.
• Implement scalable solutions using AWS services (e.g., Lambda, SQS, SNS, RDS).
• Utilize both relational and NoSQL databases effectively.
• Collaborate with cross-functional teams to deliver robust and maintainable code.
• Participate in agile development practices and deliver rapid iterations based on feedback.
• Take ownership of system performance, scalability, and reliability.

Core Requirements :

• 5+ Years of total experience in backend development.
• Minimum 3 Years of experience in building scalable microservices or delivering large-scale products.
• Strong expertise in Node.js and REST APIs.
• Solid experience with RDBMS, SQL, and data modeling.
• Good understanding of distributed systems, scalability, and availability.
• Familiarity with AWS infrastructure and services.
• Development experience in Python and/or Java is a plus.

Preferred Skills :

• Experience with frontend frameworks like React.js or AngularJS.
• Working knowledge of Docker and containerized applications.

Interview Process :

1. Round 1 : Online technical assessment (1 hour)
2. Round 2 : Virtual technical interview
3. Round 3 : In-person interview at the Bangalore office (2 hours – mandatory)

Job Summary:

We are looking for a skilled and motivated Python AWS Engineer to join our team. The ideal candidate will have strong experience in backend development using Python, cloud infrastructure on AWS, and building serverless or microservices-based architectures. You will work closely with cross-functional teams to design, develop, deploy, and maintain scalable and secure applications in the cloud.

Key Responsibilities:

• Develop and maintain backend applications using Python and frameworks like Django or Flask
• Design and implement serverless solutions using AWS Lambda, API Gateway, and other AWS services
• Develop data processing pipelines using services such as AWS Glue, Step Functions, S3, DynamoDB, and RDS
• Write clean, efficient, and testable code following best practices
• Implement CI/CD pipelines using tools like CodePipeline, GitHub Actions, or Jenkins
• Monitor and optimize system performance and troubleshoot production issues
• Collaborate with DevOps and front-end teams to integrate APIs and cloud-native services
• Maintain and improve application security and compliance with industry standards

Required Skills:

• Strong programming skills in Python
• Solid understanding of AWS cloud services (Lambda, S3, EC2, DynamoDB, RDS, IAM, API Gateway, CloudWatch, etc.)
• Experience with infrastructure as code (e.g., CloudFormation, Terraform, or AWS CDK)
• Good understanding of RESTful API design and microservices architecture
• Hands-on experience with CI/CD, Git, and version control systems
• Familiarity with containerization (Docker, ECS, or EKS) is a plus
• Strong problem-solving and communication skills

Preferred Qualifications:

• Experience with PySpark, Pandas, or data engineering tools
• Working knowledge of Django, Flask, or other Python frameworks
• AWS Certification (e.g., AWS Certified Developer – Associate) is a plus

Educational Qualification:

• Bachelor's or Master’s degree in Computer Science, Engineering, or related field

About Quantela

We are a technology company that offers outcomes business models. We empower our customers with the right digital infrastructure to deliver greater economic, social, and environmental outcomes for their constituents.

When the company was founded in 2015, we specialized in smart cities technology alone. Today, working with cities and towns; utilities, and public venues, our team of 280+ experts offer a vast array of outcomes business models through technologies like digital advertising, smart lighting, smart traffic, and digitized citizen services.

We pride ourselves on our agility, innovation, and passion to use technology for a higher purpose. Unlike other technology companies, we tailor our offerings (what we can digitize) and the business model (how we partner with our customer to deliver that digitization) to drive measurable impact where our customers need it most. Over the last several months alone, we have served customers to deliver outcomes like increased medical response times to save lives; reduced traffic congestion to keep cities moving and created new revenue streams to tackle societal issues like homelessness.

We are headquartered in Billerica, Massachusetts in the United States with offices across Europe, and Asia.

The company has been recognized with the World Economic Forum’s ‘Technology Pioneers’ award in 2019 and CRN’s IoT Innovation Award in 2020.

For latest news and updates please visit us at www.quantela.com

Overview of the Role

Collaborate with cross-functional teams to define, design and build performant modern web applications and services. Build high quality web applications and services by writing clean and modular code

Must have Skills

• 10+ years of experience in leading teams and delivering product, write unit and integration tests to ensure robustness and reliability of web applications and services. 
• Measure and improve performance of microservices.
• Catalyze growth within the team through code reviews and pair programming to maintain high development standards Investigate operational issues to find the root cause and propose improvements Design, build, and maintain APIs, services, and systems across Stripe’s engineering teams.
• Expert level of experience in design and development of Web Applications, highly scalable distributed systems.
• Should have experience in development skills using latest technologies including NodeJS, Microservices, Elastic search, Timescale DB, Kafka, Redis, etc.
• Should have exposure in NoSQL and SQL development.
• Comprehensive knowledge of physical and logical data modelling, performance tuning.
• Should possess excellent communication, presentation, and interpersonal skills.
• Ability to work collaboratively and productively with globally dispersed teams
• Build high performance teams and Coach team for successful career growth
• Experience working with relational and non-relational databases, query optimization, and designing schema

Desired Background

Bachelors/Masters degree in Computer Science or Computer Applications

1. Asp.Net Core 
2. Microservices
3. An added advantage to a candidate who has familiarity with PostgreSQL / MySQL

• Design, build and maintain software applications.
• Write well-designed, testable, efficient code by using best software development practices.

• 4+ years of experience with Node.js
• Expertise in Typescript, AWS, Firebase, MongoDB, and Express

You will be bringing:

• Hands-on experience in writing applications using Node.js (including Socket.io and Express or similar)
• Excellent knowledge of a few of the available databases such as MySQL, MongoDB, etc.
• Proficiency in application deployment on Linux or Ubuntu environments
• Proficiency in JavaScript languages like React and/or Angular, along with a comprehensive experience in open-source frameworks
• Experience in server-client architecture project(s)
• Ability to prioritize in a chaotic and ambiguous environment
• An open, growth mindset when giving and receiving feedback

Responsibilities

• You will be part of a growing high functional team, responsible for delivering various frontend products to the end-users. Simplifying complex workflow and make it easy for the end-users.
• The team designs and develops various products from - financial apps targeted to invoice users, data-heavy app oriented to operational and support teams, a productivity app for sales teams,
• SDK that will be integrated into third-party apps, etc.
• You will work with business, product, and backend teams to work on new features and products.
• You are expected to drive the products to maximize its business impact and customer delight.
• You are expected to stay on top of tech innovations in the Web development space, experiment them and make suitable suggestions to enhance tech stack. Research and propose software programs that are compatible with future technologies.

• Design and implement Single Page Applications (SPAs) using modern JavaScript frameworks
• Integrating data from various back-end services
• Develop a simple-to-use user interface for a complex product, apply new technologies, best design practices and usability patterns
• Contribute to end-to-end system architecture, working with/as cross-functional teams
• Collaborate with UX teams, product managers and other technical teams to create optimized and delightful user experiences
• Apply expertise of HTML5, bootstrap/foundation CSS frameworks
• Analyze the performance of layers in the frontend, backend and engineer designs/code to solve them
• Work with the product team to build flow and detail out the requirements
• Conversant with development for desktop and mobile browsers and hybrid apps.

• Proven working experience in web programming
• Top-notch programming skills and in-depth knowledge of modern HTML/CSS
• Solid understanding of how web applications work including security, session management, and best development practices
• Working with respectable size Single Page Application (SPA) project
• Expert in MVC like design patterns, modern JavaScript frameworks
• Hands-on experience with network diagnostics, network analytics tools
• Solid CS, OOP/OOD, design patterns
• Good grasp on usability and interaction design
• Track record in large-scale system software development
• Aggressive problem diagnosis and creative problem-solving skills
• Ability to work and thrive in a fast-paced environment, learn rapidly and master diverse web technologies and techniques

• An​y framework - ReactJS (Must Have), AngularJS, Backbone, Ember, VueJS
• DOM and Virtual DOM understanding
• API Integration. Understanding of session management. 

• Experience with server-side processing such as templating, packaging and delivery
• Some end-to-end system design experience, sensitive to ​ security
• Experience working with webviews on Android and iOS
• Exposure to React Native
• Demonstrated visual design and layout skills
• Design and development of backend REST endpoint applications

1. Full Stack developer (.Net): (experience 3 to 6 years) 

• Experience in designing multithreaded/concurrent/distributed systems.
• Experience in .Net framework and C# programming is required (3+ years).
• Experience in working on scalable non-blocking server side frameworks like Spring stack(2+ years)
• Experience with both SQL and NoSQL databases, Message brokers. ex: Postgres/MySQL, MongoDB/DynamoDB/Redis/Neo4j, Kafka (2 +years)
• Experience in Front end language and frameworks. JavaScript, must be an expert in one of the front end frameworks (ex: React) (2+)
• Understand cloud technologies and should have deployed applications or products in popular cloud platforms like AWS, GCP, MS Azure, etc (2+ years).

Optional:

• Experience with BigData is a big plus
• Knowledge of functional programming principles is a plus.
• Experience in HTML5 and CSS3

• Design and develop cloud native enterprise applications 
• Define and establish conventions, standards and best practices for the SDLC process and ensure that quality control is of paramount importance at each step of the development life cycle
• Develop reusable frameworks and libraries that can drastically accelerate new application development in the future
• Participate in the requirement analysis and gathering process and also perform sit-withs with business teams to ensure there is full clarity of the problem statement
• Actively engage wih infrastructure team and take ownership of DevOps processes to ensure that build and deployment processes are efficient and optimal.
• Actively engage with project stakeholders to ensure all are in sync with the progress, risks and issues
• Quickly learn and adopt cutting edge technologies to help keep the org ahead of the curve