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Job Title: Lead Web App Developer - Backend
Experience: 10–15 Years
Location: Bengaluru
Role Overview:
We are seeking an experienced Lead Web App Developer - Backend to design and maintain scalable, cloud-based backend systems. This role demands expertise in microservices, AWS, and backend technologies to deliver efficient and high-performing applications.
Key Responsibilities:
- Build and maintain scalable backend systems for cloud-based web applications.
- Develop microservices using AWS (Lambda, SQS, SNS) and databases (MySQL, NoSQL).
- Design and implement REST APIs for seamless communication between systems.
- Create containerized solutions with Docker for efficient deployment.
- Solve real-world problems with enterprise-class product designs.
- Contribute to key decisions on product and technology direction.
- Promote frameworks, standards, and new technologies within the team.
Required Skills:
- Experience: 10+ Years in backend development; 3+ Years in large-scale, microservices-based projects.
- Backend Technologies: Proficiency in Python, Node.js, and Java.
- Cloud Expertise: Strong experience with AWS services (Lambda, SQS, SNS).
- Database Skills: Expertise in MySQL and NoSQL databases.
- Microservices Architecture: Deep understanding of distributed systems and scalability.
- DevOps Tools: Hands-on experience with Docker.
- API Development: Proven expertise in designing and consuming REST APIs.
- Soft Skills: Excellent problem-solving and communication abilities.
Why Join Us?
- Work on impactful projects with real-world applications.
- Solve complex problems in a dynamic, fast-paced environment.
- Collaborate with a team of skilled professionals.
Required Skills: CI/CD Pipeline, Data Structures, Microservices, Determining overall architectural principles, frameworks and standards, Cloud expertise (AWS, GCP, or Azure), Distributed Systems
Criteria:
- Candidate must have 6+ years of backend engineering experience, with 1–2 years leading engineers or owning major systems.
- Candidate must be from a product-based organization with a startup mindset
- Must be strong in one core backend language: Node.js, Go, Java, or Python.
- Deep understanding of distributed systems, caching, high availability, and microservices architecture.
- Hands-on experience with AWS/GCP, Docker, Kubernetes, and CI/CD pipelines.
- Strong command over system design, data structures, performance tuning, and scalable architecture
- Ability to partner with Product, Data, Infrastructure, and lead end-to-end backend roadmap execution.
Description
What This Role Is All About
We’re looking for a Backend Tech Lead who’s equally obsessed with architecture decisions and clean code, someone who can zoom out to design systems and zoom in to fix that one weird memory leak. You’ll lead a small but sharp team, drive the backend roadmap, and make sure our systems stay fast, lean, and battle-tested.
What You’ll Own
● Architect backend systems that handle India-scale traffic without breaking a sweat.
● Build and evolve microservices, APIs, and internal platforms that our entire app depends on.
● Guide, mentor, and uplevel a team of backend engineers—be the go-to technical brain.
● Partner with Product, Data, and Infra to ship features that are reliable and delightful.
● Set high engineering standards—clean architecture, performance, automation, and testing.
● Lead discussions on system design, performance tuning, and infra choices.
● Keep an eye on production like a hawk: metrics, monitoring, logs, uptime.
● Identify gaps proactively and push for improvements instead of waiting for fires.
What Makes You a Great Fit
● 6+ years of backend experience; 1–2 years leading engineers or owning major systems.
● Strong in one core language (Node.js / Go / Java / Python) — pick your sword.
● Deep understanding of distributed systems, caching, high-availability, and microservices.
● Hands-on with AWS/GCP, Docker, Kubernetes, CI/CD pipelines.
● You think data structures and system design are not interviews — they’re daily tools.
● You write code that future-you won’t hate.
● Strong communication and a let’s figure this out attitude.
Bonus Points If You Have
● Built or scaled consumer apps with millions of DAUs.
● Experimented with event-driven architecture, streaming systems, or real-time pipelines.
● Love startups and don’t mind wearing multiple hats.
● Experience on logging/monitoring tools like Grafana, Prometheus, ELK, OpenTelemetry.
Why company Might Be Your Best Move
● Work on products used by real people every single day.
● Ownership from day one—your decisions will shape our core architecture.
● No unnecessary hierarchy; direct access to founders and senior leadership.
● A team that cares about quality, speed, and impact in equal measure.
● Build for Bharat — complex constraints, huge scale, real impact.
- Building scalable, reliable, high-performing platforms
- Managing project priorities, deadlines, and deliverables
- Participating in the entire lifecycle including analysis, development, fixing and monitoring of issues on the assigned product lines
- Maintaining a high service levels in terms of security, performance, availability, and quality
- Establishing and implementing good development practices to create a top-class, results oriented engineering culture.
Requirements :
- 7 years - 10 years of solid hands on experience in J2EE & related technologies.
- Ability to think in terms of APIs all the time
- Hands on experience in object-oriented designs and principles.
- Hands on experience in data structures, algorithms & design patterns
- Hands on experience in server side, web architecture
- Working knowledge in Spring Framework
- Knowledge in data modeling and hands on experience with at least one RDBMS, MySQL is preferred.
- Knowledge on any of the scripting languages is desirable as you may need to write scripts Javascript, HTML or any front-end frameworks experience is desirable
- Understanding on NoSQL databases.
- You can extrapolate requirements from customers and product management and distinguish between what they need vs. what they want?
- You are always on the lookout for adding configurability and extensibility to your design.
- You cannot agree with not having ability to automatically test software.
- Usability of the solution keeps you awake at nights
1. As a founding backend engineer, design, build and evolve the backend architecture
of our product to support customer-facing and internal features to serve 1000s of
customers and millions of data requests per hour
2. You will engage in technical decisions from choosing the optimal database design to
best-practice infrastructure decisions
3. You will proactively incorporate best practices for security, analytics, and monitoring
4. You will contribute to DevOps by building procedures for deployment,
troubleshooting, and maintenance
5. You will work directly with the CTO to set the tone for the engineering culture
This role is tailor-made for you if
1. You have 4+ years of experience designing, building, and deploying production-level
large-scale web applications
2. You have hands-on experience with Node JS and other programming languages
(Ruby, Go, Python)
3. You have worked previously on PostgreSQL, SQL, and Message Queue 4. Practical
knowledge and experience in deploying and managing big data applications on a cloud
platform like AWS or Google Cloud.
5. You are comfortable conducting code reviews and giving feedback to ensure high
standards of code maintainability and extensibility.
6. You are energized by ambiguity and can create structure in a dynamic, fast-paced
environment
7. You’ve high confidence, low ego, and are generally a good human being :)
You earn brownie points if
1. You love Slack (we are a Slack first company)
2. You have been part of an early/mid-stage start-up before
3. You love TechCrunch. We are obsessed with reading and talking about startups
4. You have created some amazing open-source projects
The database market is massive (the IDC estimates it to be $119B+ by 2025!) and MongoDB is at the head of its disruption. The MongoDB community is transforming industries and empowering developers to build amazing apps that people use every day. We are the leading modern data platform and the first database provider to IPO in over 20 years. Join our team and be at the forefront of innovation and creativity.
MongoDB is expanding our global team of consulting engineers to further our ongoing plans for worldwide growth!
MongoDB Professional Services works with customers of all shapes and sizes in all verticals, from tier-1 banks to small web startups, on a variety of interesting use cases from e-commerce platforms to trading systems to social media applications. Solve interesting problems, gain incredible cross-stack experience, work with the best and brightest people in the business, network with industry leaders, and see new places - all in a day’s work!
MongoDB consulting exists to support the development of our customers’ vision, accelerate customers’ time to value, and drive a multitude of customer adoption scenarios - from building new solutions to modernizing legacy applications or migrating to the cloud. Our consulting solutions ensure that organizations get the best out of MongoDB.
Be one of the recognized experts in this rapidly growing field in a high-growth software company successfully challenging the status quo of the database industry.
Shift Timing
You will get an opportunity to work with Global customers (APAC, EMEA, and North America) So this would require you to work in monthly rotational shifts.
This role can be based out of our Gurugram/Bangalore Office or remotely in the India region.
Candidate Profile
We’re looking for a highly technical individual, with strong problem-solving and communication skills, and is comfortable working closely with customers.
Our ideal candidate will have
- Excellent analytical, diagnostic skills, and problem-solving skills
- High motivation for a role that combines deep technical and customer-management dimensions
- Confidence speaking and presenting in a collaborative customer setting
- 4+ years of software development/consulting/support experience, preferably in a number of distinct industries/verticals
- Familiarity with enterprise-scale software architectures, application development methodologies, and software deployment and operations
- Competence in at least one of the following languages (in no particular order): Java, C#, Python, Node.js (JavaScript), Ruby, Go.
- Experience with databases such as MongoDB, Oracle, MS SQL Server, PostgreSQL
- Familiarity with Linux diagnostics and tuning; Windows tuning knowledge is a plus
- Should have the strong capability with, minimally, both English and any local language - as necessary
Position Expectations
As a core member of the MongoDB Professional Services team, you will
- Contribute to helping migrate customers from self-hosted MongoDB on-prem/cloud to Atlas
- Contribute to customer implementations at any or all phases of the application lifecycle: portfolio assessment, application planning, and design, deployment architectures, development and build, integration and release configuration, system testing, production operations, application optimization, and best practices adoption
- Work as part of a wider delivery team comprising fellow consulting engineers, project managers, and account teams
- Cultivate your individual MongoDB reputation as a trusted advisor to guide MongoDB and our customers into the future
- Partner with Product and Engineering teams to influence the direction of the MongoDB product roadmap
Success Measures
As a Consulting Engineer, you will be successful in this role when you can execute the following
- Become a field expert in “everything MongoDB”
- Communicate complex technical proposals simply and convincingly to a wide range of audiences
- Gain a reputation as a trusted advisor with your clients, large and small
- Ensure your client’s success with their MongoDB endeavors
- Maintain the required level of billable utilization
- Influence MongoDB product development by contributing experience from the field
- Successfully communicate the product roadmap to external clients
- Constantly work on improving yourself, our products and our team
Do you know, Why MongoDB is a fantastic place to work and build your career?
- Top NoSQL database in the world
- Largest Ecosystem and the fastest growing database in the world
- Close to 26,800 customers in more than 100 countries and over 175+ million downloads
- Sequoia Capital and a number of other Top VC firms have invested in MongoDB. Sequoia Capital calls us out as one of their flagship portfolios; Sequoia has also invested in Apple, Google, Youtube, and WhatsApp
- 9-figure revenue company, with very high double-digit growth rates
- Be a part of the company that’s reinventing the database, focused on innovation and speed
- Enjoy a fun, inspiring culture that is engineering focused
- Work with talented people around the globe
- Learn, contribute, and make an impact on the product and community
Life at MongoDB
Our India office culture
- 300+ people, with teams in Sales, Engineering, HR, Finance, IT & Marketing
- Regular group outings and opportunities to get to know your colleagues
- Employee affinity groups
Our Benefits
- Competitive salary and equity
- Comprehensive Health cover, dental cover, travel insurance & Life Insurance.
- Free lunch twice per week and a fully stocked kitchen with healthy and sweet treats in office.
- Macbooks are company standard
- 26 weeks Maternity & 20 Paternity leave to spend time with new arrivals
let’s check out the below link to know more about the role and Flex Consulting Team in India:
https://www.mongodb.com/blog/post/meet-our-growing-flex-consulting-team
To drive the personal growth and business impact of our employees, we’re committed to developing a supportive and enriching culture for everyone. From employee affinity groups to fertility assistance and a generous parental leave policy, we value our employees’ wellbeing and want to support them along every step of their professional and personal journeys.https://www.mongodb.com/blog/channel/culture"> Learn more about what it’s like to work at MongoDB, and help us make an impact on the world!
MongoDB is committed to providing any necessary accommodations for individuals with disabilities within our application and interview process. To request an accommodation due to a disability, please inform your recruiter.
MongoDB is an equal opportunities employer.

It can be taking our own product and customizing as per the customer requirements or developing applications from the scratch.






