Backend Engineer

Job Title : Senior Node.js Developer (SDE 2)

Experience : 5+ Years

Location : Bengaluru (Whitefield)

Work Mode : Hybrid (3 Days WFO)

Openings : 2

Notice Period : Immediate–20 Days Preferred

Role Overview :

We are looking for an experienced Senior Node.js Developer (SDE 2) professional with strong expertise in building scalable backend applications, microservices, and distributed systems in Agile environments.

Mandatory Keywords :

Node.js, JavaScript, TypeScript, GraphQL, Microservices, Cloud, REST APIs, Docker, Kubernetes, Redis, System Design.

Key Responsibilities :

• Design, develop, and deploy scalable backend systems using Node.js & TypeScript.

• Build REST APIs and GraphQL services.

• Develop secure, reusable, and high-performance applications.

• Work on microservices, cloud platforms, and production support.

• Follow best practices including TDD, testing, and DevOps processes.

• Mentor team members and contribute to technical excellence.

Mandatory Skills :

• 5+ years of software development experience.

• Strong hands-on experience in Node.js, JavaScript, TypeScript.

• Experience with Express.js/Koa/Sails.js.

• GraphQL, REST APIs, Microservices

• AWS/Azure/GCP Cloud

• Docker, Kubernetes, Redis

• Strong understanding of distributed systems, Git, and DevOps.

Good to Have :

Kafka, RabbitMQ, Apollo Federation, New Relic, Datadog, Splunk, React.js/Next.js, Jest/Mocha/Cucumber

Interview Process :

• L1 – Technical
• L2 – Coding
• L3 – System Design (HLD + LLD)

Strong Backend Engineer Profiles

Mandatory (Experience 1) – Must have 2+ years of hands-on Backend Engineering experience building production-grade systems in a B2B SaaS or product environment

Mandatory (Experience 2) – Must have strong backend development experience using at least one backend framework such as FastAPI / Django (Python), Spring (Java), or Express (Node.js)

Mandatory (Experience 3) – Must have a solid understanding of backend fundamentals, including API development, service-oriented architecture, data structures, algorithms, and clean coding practices

Mandatory (Experience 4) – Must have strong experience working with databases (SQL and/or NoSQL), including efficient data modeling and query optimization

Mandatory (Experience 5) – Must have experience designing, building, and maintaining APIs and backend services, including integrations with external systems (CRMs, payment gateways, ERPs, data platforms, etc.)

Mandatory (Experience 6) – Must have experience working in cloud-based environments (AWS / GCP / Azure) and be familiar with Git-based collaborative development workflows

Mandatory (Domain) – Experience with financial systems, billing platforms, fintech applications, or SaaS revenue-related workflows is highly preferred

Mandatory (Domain) – Experience with financial systems, billing platforms, or fintech applications is highly preferred (fintech background is a strong plus)

Mandatory (Company) – Must have worked in product companies / startups, preferably Series A to Series D

Preferred

Preferred (Education) – Candidates from Tier - 1 engineering institutes (IITs, BITS are highly preferred)

About the Role

We are seeking a highly skilled Tech Lead who can drive the development of high-performance, scalable products while contributing hands-on to coding, architecture, and system design. You will work closely with a small engineering team, guiding them in technology decisions, quality delivery, and best practices while also taking ownership of key modules yourself.

Key Responsibilities

• Lead end-to-end product development from design to deployment.
• Act as both a technical contributor and mentor within a small, agile team.
• Architect scalable, robust, and secure backend and frontend systems.
• Participate in and guide:
• System design & architecture decisions
• Algorithmic analysis and performance optimization
• Database modeling and API design
• Write clean, maintainable, high-quality code.
• Own deployment pipelines and ensure reliable production releases.
• Collaborate with cross-functional stakeholders to translate requirements into actionable technical plans.
• Conduct code reviews, enforce coding standards, and ensure engineering excellence.
• Troubleshoot and solve complex technical challenges in production environments.

Required Technical Skills

• Strong expertise in Node.js and/or Python.
• Hands-on experience with TypeScript and React.js for frontend development.
• Knowledge of Go (Golang) is a strong advantage.
• Deep understanding of:
• Data Structures & Algorithms
• System Design
• Distributed systems concepts
• Microservices architecture
• Experience with deployment using:
• Docker, Kubernetes, or similar orchestration tools
• CI/CD pipelines
• Cloud platforms (AWS / GCP / Azure)
• Strong understanding of databases (SQL and NoSQL).

Soft Skills

• Strong leadership and ability to guide a small development team.
• Clear communication with technical and non-technical stakeholders.
• Ownership mindset with focus on delivering quality, on time.
• Problem-solver with the ability to make quick and correct technical decisions.

Preferred Qualifications

• 4–10 years of experience in software development.
• Prior experience in a startup or fast-moving product environment.
• Experience deploying and managing real-world products at scale.

What We Offer

• Opportunity to build and influence real products end-to-end.
• A collaborative, high-ownership environment.
• Freedom to experiment and drive product and engineering decisions.

Job description :

The responsibilities of developers include writing code, designing solutions for applications, and improving functionality.

Creating top-quality applications.

Collaborating with front-end developers.

Ensuring that junior staff delivers according to standards.

Improving functionality.

Using the most updated and appropriate technologies.

Designing and building application layers.

Key skills: asp.net, C#,MVC, C++, Visual Studio, SQL

What are we looking for?

A passionate backend developer Node.js specifically.

Who Should apply?

Apply only If you

● Think you are atleast 8 on 10 in Node.js

● And have been coding in Node.js for 3+ years

● Are super enthusiastic about building something that adds immense value to the lives of atleast 10Mn people

● Have built things single handedly

● Have immense hunger to learn, grow and prove yourself

Shortlisting Criteria

You will have to do a coding test.

We respect your time and are in no way doubting your skills, but that’s how you would like to hire someone in your team, right?

Why work with us?

Infinite freedom & ownership.

Work directly with the founders.

Zerodha the most profitable startup in the country, only has a 30 member tech team. We’re presently a 4 member tech team, you will be number 5.

Like you, we too love solving for time and space complexities.

What is the company about?

We are creating a stock market of creators.

Where Social Media Influencers can get funded by their fans and in return issue them coins which represent a stake in their future income.Imagine if you had invested in Tanmay Bhatt or CarryMinati 5 years back

• Working knowledge of Node-Sync, callback hell and ways to control asynchronous behavior of Node functions.
• Strong command on ES6(EcmaScript) or Javascript and its concepts like prototypes, call back, closures etc
• Should have deep understanding of Native Node.js, Express.js, HAPI.js and middlewares.
• Candidates must have proper understanding and command on RESTful API development and consumptions.
• Candidates must know to use promises, async-await to control synchronization of business logic components.
• Candidates must have knowledge of JWT, oAuth and passport.js for user authentication.
• Candidates must have knowledge of GIT, Bit-bucket.
• Candidates must have knowledge of application deployment.
• Experience with NoSQL databases eg mongodb (preferred).

Position: Python Developer

Experience: 2-9 Years

Company Profile:

About Exponentia: Exponentia is an AI tech organization with presence across India, Singapore, Middle East, and the UK. We are an innovative and disruptive organization, working on cutting edge technology to help our clients transform into the enterprises of the future. We provide artificial intelligence-based products/platforms capable of automated cognitive decision making to improve productivity, quality, and economics of the underlying business processes. Currently, we are transforming ourselves and rapidly expanding our business.

About Engagely: Engagely is an artificial intelligence based conversational product (SaaS) by Exponentia. Our core engine uses NLP and machine intelligence to deliver intelligent conversations. We help organizations create virtual assistants, bringing in automation and insightful customer engagement.

Requirements:

• 2-9 years hands on experience in Core Python with any framework (Flask/Django) building end to end applications development.
• Experience in Mongo (or any Nosql)
• Experience in client coordination
• Experience in Nodejs would be a plus
• Experience in Web technologies-HTML, CSS, Javascript
• Database-SQL Server/My SQL/ No SQL database
• Good understanding of Algorithms, data structures 

Education

BE/MBA /PG (Statistics) with good academic credentials

• 2+ years of experience in Java Development with sound knowledge of core Java
• Should have strong hands on experience with developing web applications using Servlets and JSP, Spring, Hibernate, Web Services, HTML, JavaScript
• Should have experience of working on Tomcat/Glassfish
• Experience of Google App Engine or AWS will be added advantage
• Strong knowledge of OOAD
• Comfortable working on Linux/Unix
• Good communication skills and good organization
• Willingness to work in a team environment, as well as
• Willingness to learn new

• Write production quality code in Java, J2EE, and Spring
• Adhere to software development and source control processes, git is added Advantage
• Design, build, configure, test, and document production quality software on an iterative
• Participate in design and implementation of new software.
• Work closely with users, technical leads, project managers, and other cross-functional development
• Execute on the provided design. Active coding in key technologies is required for this development position and includes: Java/J2EE, Tomcat, Web Services, REST, and spring, Hibernate/Ibatis, XML, UNIX and
• As part of the software development process you will need to create, review, and maintain all required technical documentation related to assigned software to ensure supportability and reuse.
• This individual must develop software using disciplined software development processes, adhering to team/company standards and software best practice guidelines, and corporate policies.