Merlin - Full Stack Engineer - React.js/Python

Description :

- Full Stack Engineer - Full Stack & Cloud

- Location: Bangalore, India (Onsite from Day 1)

- Experience: 2+ Years

- Employment: Full-Time | Permanent

- Working Hours: Flexible - PST overlap required (~5:30 PM 2:30 AM IST)

- Target Profile: IIT | IIIT | NIT | BITS | Unicorn / Tier-1 Company Alumni

About the Role :

- Design and build high-performance backend services in Java, Python, Kotlin, or Go

- Develop modern, responsive frontends using React / Next.js with TypeScript

- Architect distributed systems with clear HLD and LLD thinking

- Own AWS infrastructure design, provision, and optimise for scale and reliability

- Build and maintain CI/CD pipelines; manage containerised workloads with Docker and Kubernetes

- Model and manage data across relational, NoSQL, and in-memory stores

- Design event-driven architectures using Kafka and RabbitMQ

- Solve complex algorithmic and system design problems from first principles

- Participate in design reviews, code reviews, and cross-team technical discussions

- Mentor junior engineers and contribute to engineering culture

Technical Requirements :

Languages & Backend :

- Proficiency in one or more: Java, Python, Kotlin, Go

- Strong grasp of concurrency, memory management, and performance tuning

- Experience designing RESTful APIs and/or gRPC services

Frontend :

- React and Next.js with TypeScript production-grade experience required

- Familiarity with SSR/SSG, state management, and frontend performance optimisation

Cloud, DevOps & Infrastructure :

- AWS - EC2, ECS, Lambda, S3, RDS, CloudWatch, IAM, VPC, and more

- Docker for containerisation; Kubernetes (EKS or self-managed) for orchestration

- CI/CD pipelines - GitHub Actions, Jenkins, ArgoCD, or equivalent

- Infrastructure-as-Code (Terraform, CDK, or CloudFormation) is a plus

Databases & Caching :

- Relational: MySQL, PostgreSQL - schema design, indexing, query optimisation

- NoSQL: MongoDB document modeling, aggregation pipelines

- Redis - caching strategies, pub/sub, distributed locks

Messaging & Streaming :

- Apache Kafka producers, consumers, partitioning, offset management

- RabbitMQ exchange types, routing, dead-letter queues

Problem Solving & System Design :

- Strong DSA skills like; LeetCode Medium/Hard level comfort

- HLD: distributed systems, CAP theorem, consistency models, load balancing, sharding

- LLD: SOLID principles, design patterns, class modeling, API contracts

- Ability to estimate scale, identify bottlenecks, and articulate trade-offs clearly

What We're Looking For :

- 2+ years of software engineering experience in a product-driven environment

- B.Tech / B.E. / M.Tech from IIT, IIIT, NIT, BITS, or equivalent premier institution

- Prior or current experience at a unicorn startup, FAANG, or tier-1 technology company

- Exceptional problem-solving ability strong CS fundamentals are non-negotiable

- Open to flexible working hours with PST overlap (firm requirement)

- Excellent communication able to articulate design decisions to technical and non-technical

stakeholders

- Ownership mindset takes problems from ambiguity to production independently