Fullstack Developer

Roles & Responsibilities

What You'll Do

• Design and build the core Node.js services and REST APIs from scratch, built to scale as we grow.

• Own system design end to end: service boundaries, data flow, caching, queueing, failure modes, and scale.

• Ship AI/ML-powered features, including LLM and agentic capabilities.

• Use LLMs and agentic tooling across the SDLC, from design and code generation to testing and debugging.

• Model data and optimize SQL/NoSQL queries for performance; integrate with third-party platforms.

• Debug production issues, own reliability, and set the engineering standards the rest of the team will grow into.

Ideal Candidate

What You'll Bring

• Experience: 4+ years building production backend systems in Node.js for B2C products at meaningful scale.

• System Design: This one matters a lot to us. You can reason clearly about scalability, reliability, and trade-offs under real constraints.

• Fundamentals: Strong grasp of API design, service-oriented architecture, data structures, algorithms, and clean code.

• Databases: Depth in SQL and/or NoSQL, data modeling, query optimization, and performance tuning.

• AI-Native: You already use LLMs and agentic approaches to maximize your own efficiency as an engineer.

• Mindset: You enjoy the pace and breadth of a small team, and you

Job Title : Python Backend Lead / Senior Python Developer

Experience : 6 to 10 Years

Location : Bangalore (CV Raman Nagar)

Openings : 8

Interview Rounds : 1 Virtual + 1 In-Person (Face-to-Face with Client)

Note : Only local Bangalore candidates will be considered

About the Role :

We are seeking an experienced Python Backend Lead / Senior Python Developer to design, develop, and optimize scalable backend solutions.

The role involves working with large-scale data, building efficient APIs, integrating middleware solutions, and ensuring high performance and reliability.

You will lead a team of developers while also contributing hands-on to coding, design, and architecture.

Mandatory Skills : Python (Pandas, NumPy, Matplotlib, Plotly), FastAPI/FlaskAPI, SQL & NoSQL (MongoDB, CRDB, Postgres), Middleware tools (Mulesoft/BizTalk), CI/CD, RESTful APIs, OOP, OOD, DS & Algo, Design Patterns.

Key Responsibilities :

• Lead backend development projects using Python (FastAPI/FlaskAPI).
• Design, build, and maintain scalable APIs and microservices.
• Work with SQL and NoSQL databases (MongoDB, CRDB, Postgres).
• Implement and optimize middleware integrations (Mulesoft, BizTalk).
• Ensure smooth deployment using CI/CD pipelines.
• Apply Object-Oriented Programming (OOP), Design Patterns, and Data Structures & Algorithms to deliver high-quality solutions.
• Collaborate with cross-functional teams (frontend, DevOps, product) to deliver business objectives.
• Mentor and guide junior developers, ensuring adherence to best practices and coding standards.

Required Skills :

• Strong proficiency in Python with hands-on experience in Pandas, NumPy, Matplotlib, Plotly.
• Expertise in FastAPI / FlaskAPI frameworks.
• Solid knowledge of SQL & NoSQL databases (MongoDB, CRDB, Postgres).
• Experience with middleware tools such as Mulesoft or BizTalk.
• Proficiency in RESTful APIs, Web Services, and CI/CD pipelines.
• Strong understanding of OOP, OOD, Design Patterns, and DS & Algo.
• Excellent problem-solving, debugging, and optimization skills.
• Prior experience in leading teams is highly desirable.

We are seeking an experienced Technical Lead with expertise in the MERN (MongoDB, Express.js, React.js, Node.js) stack to join our dynamic team. As a Technical Lead, you will play a pivotal role in leading the development of cutting-edge web applications. You will collaborate with cross-functional teams, mentor junior developers, and contribute to architectural decisions.

Responsibilities:

1. Technical Leadership:

• Lead a team of developers in the design, development, and deployment of high-quality web applications.
• Provide technical guidance, mentorship, and support to team members.
• Take ownership of the technical architecture, ensuring scalability, reliability, and maintainability.

1. Development:

• Hands-on development using the MERN stack to build robust and scalable web applications.
• Collaborate with the team to define technical specifications and implement solutions according to requirements.

1. Code Review and Quality Assurance:

• Conduct code reviews to ensure adherence to coding standards, best practices, and architectural guidelines.
• Implement and maintain automated testing processes to guarantee the quality of deliverables.

1. Technical Strategy:

• Collaborate with product managers, designers, and other stakeholders to define technical requirements and priorities.
• Contribute to the development of the technical roadmap and ensure alignment with business goals.

1. Problem Solving:

• Identify technical challenges and provide innovative solutions.
• Troubleshoot and resolve technical issues as they arise.

1. Documentation:

• Create and maintain technical documentation including architecture diagrams, API specifications, and system documentation.

1. Stay Updated:

• Keep abreast of industry trends, emerging technologies, and best practices in web development.

Requirements:

• Bachelor's or higher degree in Computer Science or a related field.
• Proven experience as a Technical Lead or Senior Developer with expertise in the MERN stack.
• Strong proficiency in MongoDB, Express.js, React.js, and Node.js.
• Proficient in front-end technologies such as HTML, CSS, and JavaScript.
• Experience with version control systems (e.g., Git).
• Familiarity with cloud platforms (e.g., AWS, Azure) and containerization (e.g., Docker).
• Excellent problem-solving and analytical skills.
• Strong communication and leadership abilities.
• Ability to work collaboratively in a cross-functional team environment.

Key Responsibilities: 

• Rewrite existing APIs in NodeJS. 
• Remodel the APIs into Micro services-based architecture. 
• Implement a caching layer wherever possible. 
• Optimize the API for high performance and scalability. 
• Write unit tests for API Testing.
• Automate the code testing and deployment process.

Skills Required: 

• At least 3 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds. 
• Excellent hands-on experience using MySQL or any other SQL Database. 
• Good knowledge of MongoDB or any other NoSQL Database. 
• Good knowledge of Redis, its data types, and their use cases. 
• Experience with graph-based databases like GraphQL and Neo4j. 
• Experience developing and deploying REST APIs. 
• Good knowledge of Unit Testing and available Test Frameworks. 
• Good understanding of advanced JS libraries and frameworks. 
• Experience with Web sockets, Service Workers, and Web Push Notifications. 
• Familiar with NodeJS profiling tools. 
• Proficient understanding of code versioning tools such as Git. 
• Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms. 
• Should be a fast learner and a go-getter — without any fear of trying out new things Preferences. 
• Experience building a large-scale social or location-based app.

👋🏼We're Nagarro.

We are a Digital Product Engineering company that is scaling in a big way! We build products, services, and experiences that inspire, excite, and delight. We work at scale across all devices and digital mediums, and our people exist everywhere in the world (19000+ experts across 33 countries, to be exact). Our work culture is dynamic and non-hierarchical. We are looking for great new colleagues. That is where you come in!

REQUIREMENTS:

• Must have Skills: Node JS, Microservices architecture (MSA) (Capable),Javascript/Typescript, AWS S3/ LAMBDA/ EC2/DYNAMODB
• Cloud developer with a minimum of 6 years of experience Technical skills in most of the following areas
• Expert in developing REST Services and APIS using JavaScript, TypeScript NodeJS is a must 
• Implementing Serverless Software development using Amazon Lambda written in NodeJS is desirable.
• Services including AWS IoT, S3, RDS, IAM, Cognito, SNS, VPC, EBS, AWS Route 53, and Cloud Watch is a must
• Proficient in database concepts including schema design, querying, performance tuning, and debugging (Both SQL and No-SQL databases)
• Strong experience in designing and developing enterprise cloud-based IoT solutions using AWS
• Develop Web, APIs, IoT & Cloud based solutions is a must
• Ability to write automated unit test cases using mocking frameworks (Jasmine, Mocha, chai, Jest, etc.)
• Experience in modern data architectures (e.g. Micro Service, event-driven architectures, stream processing, and integrating real-time analytics into customer applications is desirable
• Have a good eye for NFRs (Scalability, extensibility, reliability, etc.) while evaluating design. should be able to Converts Solution Requirements into logical systems & subsystems
• Innovates and creates new ideas and have the ability to develop quick proof of concepts and validate with the customer.

RESPONSIBILITIES:

• Understanding functional requirements thoroughly and analysing the client’s needs in the context of the project
• Envisioning the overall solution for defined functional and non-functional requirements, and being able to define technologies, patterns, and frameworks to realize it
• Determining and implementing design methodologies and tool sets
• Enabling application development by coordinating requirements, schedules, and activities.
• Being able to lead/support UAT and production roll outs
• Creating, understanding, and validating WBS and estimated effort for given module/task, and being able to justify it
• Addressing issues promptly, responding positively to setbacks and challenges with a mindset of continuous improvement
• Giving constructive feedback to the team members and setting clear expectations.
• Helping the team in troubleshooting and resolving of complex bugs
• Carrying out POCs to make sure that suggested design/technologies meet the requirements.

.NET C# developer provides custom web application development using the .NET Framework, C#, http://VB.NET">VB.NET, http://ASP.NET">ASP.NET, SQL Server and other advanced components of Microsoft technology and provide training to programmer analysts who support the web services manager' responsibilities.

Responsibilities:

 The tool development also involves working with SQL queries and web front end

Designing, developing, and testing web applications with .Net HTML, CSS and other technologies

Design and development of software applications (primarily web based) used in various areas of the bank (such as Loans processing, Treasury, Middle Office )

Manages the architecture, design, and coding of software for TFI from concept to finished product, in order to answer the needs of the Strategies, Sales, and Trading departments

Consults with end users within the Strategies, Sales, and Trading departments to identify where technology can automate current processes to enhance revenues and cut cost

Maintains currency in technical skills and all relevant fixed income industry sector factors

May lead the work of others and provide ideas which help to enhance TFI software applications

Software design & development principles such as SOLID, Domain-Driven-Design and Object-Oriented Development

ORM frameworks, particularly the Entity Framework

Position: Software Development Engineer, NodeJs

Experience: 3-7 Years

Responsibilities:

 Work with product team / business / architects to understand the requirement

and develop and maintain back end application logic

 Work with front end developers to ensure seamless integration with the back

end logic

 Design and optimize application for high performance and high availability

Develop Secure, testable and scalable application

Experience Required:

 Engineering Graduate with 3 to 7 years of experience in software development.

 Strong proficiency with JavaScript and ES6 or ECMA 2015 on Node.js platform.

 Knowledge of frameworks such as Express, KOA is desirable.

 Knowledge and understanding of async non-blocking architecture

 Knowledge of creating REST-ful APIs.

 Knowledge of Data Structures and Algorithms, Node Global variables and In built libraries.

 Experience in building high-volume transactional customer facing systems desirable
Understanding the nature of asynchronous programming and its quirks and workarounds

 Knowledge of packages BABEL, Webpack

 Basic understanding of front-end technologies, such as HTML5, and CSS3

 Writing reusable, testable, and efficient code