SDE2 / SDE 3 - Python

Job Details

- Job Title: Senior Backend Engineer

- Industry: SAAS

- Function – Information Technology

- Experience Required: 5-8 years

- Working Days: 6 days a week, (5 days-in-office, Saturdays WFH)

- Employment Type: Full Time

- Job Location: Bangalore

- CTC Range: Best in Industry

Preferred Skills: AWS, NodeJS, RESTful APIs, NoSQL

Criteria

· Minimum 5+ years in backend engineering with strong system design expertise

· Experience building scalable systems from scratch

· Expert-level proficiency in Node.js

· Deep understanding of distributed systems

· Strong NoSQL design skills

· Hands-on AWS cloud experience

· Proven leadership and mentoring capability

· Preferred candidates from SAAS/Software/IT Services based startups or scaleup companies

Job Description

The Role:

What You’ll Build:

1. System Architecture & Design

● Architect highly scalable backend systems from the ground up

● Define technology choices: frameworks, databases, queues, caching layers

● Evaluate microservices vs monoliths based on product stage

● Design REST, GraphQL, and real-time WebSocket APIs

● Build event-driven systems for asynchronous processing

● Architect multi-tenant systems with strict data isolation

● Maintain architectural documentation and technical specs

2. Core Backend Services

● Build high-performance APIs for 3D content, XR experiences, analytics, and user interactions

● Create 3D asset processing pipelines for uploads, conversions, and optimization

● Develop distributed job workers for CPU/GPU-intensive tasks

● Build authentication/authorization systems (RBAC)

● Implement billing, subscription, and usage metering

● Build secure webhook systems and third-party integration APIs

● Create real-time collaboration features via WebSockets/SSE

3. Data Architecture & Databases

● Design scalable schemas for 3D metadata, XR sessions, and analytics

● Model complex product catalogs with variants and hierarchies

● Implement Redis-based caching strategies

● Build search and indexing systems (Elasticsearch/Algolia)

● Architect ETL pipelines and data warehouses

● Implement sharding, partitioning, and replication strategies

● Design backup, restore, and disaster recovery workflows

4. Scalability & Performance

● Build systems designed for 10x–100x traffic growth

● Implement load balancing, autoscaling, and distributed processing

● Optimize API response times and database performance

● Implement global CDN delivery for heavy 3D assets

● Build rate limiting, throttling, and backpressure mechanisms

● Optimize storage and retrieval of large 3D files

● Profile and improve CPU, memory, and network performance

5. Infrastructure & DevOps

● Architect AWS infrastructure (EC2, S3, Lambda, RDS, ElastiCache)

● Build CI/CD pipelines for automated deployments and rollbacks

● Use IaC tools (Terraform/CloudFormation) for infra provisioning

● Set up monitoring, logging, and alerting systems

● Use Docker + Kubernetes for container orchestration

● Implement security best practices for data, networks, and secrets

● Define disaster recovery and business continuity plans

6. Integration & APIs

● Build integrations with Shopify, WooCommerce, Magento

● Design webhook systems for real-time events

● Build SDKs, client libraries, and developer tools

● Integrate payment gateways (Stripe, Razorpay)

● Implement SSO and OAuth for enterprise customers

● Define API versioning and lifecycle/deprecation strategies

7. Data Processing & Analytics

● Build analytics pipelines for engagement, conversions, and XR performance

● Process high-volume event streams at scale

● Build data warehouses for BI and reporting

● Develop real-time dashboards and insights systems

● Implement analytics export pipelines and platform integrations

● Enable A/B testing and experimentation frameworks

● Build personalization and recommendation systems

Technical Stack:

1. Backend Languages & Frameworks 

●  Primary: Node.js (Express, NestJS), Python (FastAPI, Django)

●  Secondary: Go, Java/Kotlin (Spring)

●  APIs: REST, GraphQL, gRPC

2. Databases & Storage

● SQL: PostgreSQL, MySQL

● NoSQL: MongoDB, DynamoDB

● Caching: Redis, Memcached

● Search: Elasticsearch, Algolia

● Storage/CDN: AWS S3, CloudFront

● Queues: Kafka, RabbitMQ, AWS SQS

3. Cloud & Infrastructure: 

● Cloud: AWS (primary), GCP/Azure (nice to have)

● Compute: EC2, Lambda, ECS, EKS

● Infrastructure: Terraform, CloudFormation

● CI/CD: GitHub Actions, Jenkins, CircleCI

● Containers: Docker, Kubernetes

4. Monitoring & Operations 

● Monitoring: Datadog, New Relic, CloudWatch

● Logging: ELK Stack, CloudWatch Logs

● Error Tracking: Sentry, Rollbar

● APM tools

5. Security & Auth

● Auth: JWT, OAuth 2.0, SAML

● Secrets: AWS Secrets Manager, Vault

● Security: Encryption (at rest/in transit), TLS/SSL, IAM

What We’re Looking For:

1. Must-Haves

● 5+ years in backend engineering with strong system design expertise

● Experience building scalable systems from scratch

● Expert-level proficiency in at least one backend stack (Node, Python, Go, Java)

● Deep understanding of distributed systems and microservices

● Strong SQL/NoSQL design skills with performance optimization

● Hands-on AWS cloud experience

● Ability to write high-quality production code daily

● Experience building and scaling RESTful APIs

● Strong understanding of caching, sharding, horizontal scaling

● Solid security and best-practice implementation experience

● Proven leadership and mentoring capability

2. Highly Desirable

● Experience with large file processing (3D, video, images)

● Background in SaaS, multi-tenancy, or e-commerce

● Experience with real-time systems (WebSockets, streams)

● Knowledge of ML/AI infrastructure

● Experience with HA systems, DR planning

● Familiarity with GraphQL, gRPC, event-driven systems

● DevOps/infrastructure engineering background

● Experience with XR/AR/VR backend systems

● Open-source contributions or technical writing

● Prior senior technical leadership experience

Technical Challenges You’ll Solve:

● Designing large-scale 3D asset processing pipelines

● Serving XR content globally with ultra-low latency

● Scaling from thousands to millions of daily requests

● Efficiently handling CPU/GPU-heavy workloads

● Architecting multi-tenancy with complete data isolation

● Managing billions of analytics events at scale

● Building future-proof APIs with backward compatibility

Why company:

● Architectural Ownership: Build foundational systems from scratch

● Deep Technical Work: Solve distributed systems and scaling challenges

● Hands-On Impact: Design and code mission-critical infrastructure

● Diverse Problems: APIs, infra, data, ML, XR, asset processing

● Massive Scale Opportunity: Build systems for exponential growth

● Modern Stack and best practices

● Product Impact: Your architecture directly powers millions of users

● Leadership Opportunity: Shape engineering culture and direction

● Learning Environment: Stay at the forefront of backend engineering

● Backed by AWS, Microsoft, Google

Location & Work Culture:

● Location: Bengaluru

● Schedule: 6 days a week, (5 days-in-office, Saturdays WFH)

● Culture: Builder mindset, strong ownership, technical excellence

● Team: Small, highly skilled backend and infra team

● Resources: AWS credits, latest tooling, learning budget

We are a tech venture which provides Product Engineering, QA Automation, Infrastructure, Data, and Market Research services.

Technical Proficiency : 
Must have : 

• Strong development experience in Python in the environment of Unix/Linux/Ubuntu

• Strong practical knowledge of Python and its libraries.

• Current working experience with cloud deployment of AWS/Azure/GCP, Microservice architecture, and Docker in Python.

• Good knowledge of CI/CD and DevOps practices

• Good Experience of Python with Django/ Scrapy/ Flask frameworks.

• Good Experience in Jupyter/ Docker/ Elastic Search, etc.

• Solid understanding of software development principles and best practices.

• Strong analytical thinking and problem-solving skills.

• Proven ability to drive large-scale projects with a deep understanding of Agile SDLC, high collaboration, and leadership.
  
  Good to have : 

• Expected to have migration experience from one version to the other, as this project is about migration to the latest version.

• Preferred if had an OpenEdx platform experience or any LMS platform. 

   

Position: PHP / MYSQL Developer & NodeJS / MongoDB Developer 

  -  The selected candidate is required to work on Core PHP or NodeJS/MongoDB. 

  -   Building web services for Mobile applications. 

   Selected candidate will be a part of product development team and have to manage both maintenance and enhancement projects. 

As a PHP Developer: 

1. You love an Agile work culture and deliver as per plan  
2. You're a lively person who's passionate on what you do  
3. You're a nonstop learner and enjoy sharing the learning to your juniors 
4. You're socially connected with the team and helping others team voluntarily. 
5. You're tech- expertise and effective in tools operation and automate the regular process  
6. You're someone who loves problem- working by seeing the occasion in every challenge and you enjoy learning from failures  
7. Honestly share your experience, feedback, challenges, learning and emotions for the day in your daily diary. 
8. Think of user needs instead of system needs 

Skills & Expertise we look for: 

1. Hands-on experience in Core PHP and MySQL Database 
2. Design and implement the Restful services. 
3. Familiar with HTML, CSS, jQuery, JavaScript 
4. Good knowledge in front-end frameworks such as Angular JS / React JS 
5. Good knowledge in gathering requirements, creating technical specifications, architecture documents and project planning 
6. Maintain and improve the performance of the applications.  
7. Should good in evaluate and implement new technologies to maximize development efficiency and improve the applications. 
8. Should good in communication skills and ability to work closely with diverse teams in a fast-paced environment. 
9. Should have some experience in integrating projects with third-party vendors 

Overall Purpose of the Role:

We are looking for a self-motivated Unreal Engine developer who understands the value of working on unique applications and is extremely passionate about innovating and inventing/discovering new things. The candidate will be responsible for developing and maintaining our platform lineup. The key responsibilities of the job are:

• Perform full life-cycle software development
• (Requirements: analysis, Tech design, implementation, integration, testing, debugging, and support).
• Work directly with researchers and project stakeholders to ensure proper software design and delivery.
• Design and develop modular platforms.
• Stay updated on current trends in AR/VR/MR/XR.
• Writing reusable, testable, and efficient code in rapid timing.
• Writing unit tests for important logic and services.
• Implementation of security and data protection.

Credentials we are looking for:

• (Senior UE Developer) 5 years+ of experience with game development and at least 3 years of experience with Unreal Engine
• An entrepreneurial spirit that drives innovation within a target industry.

Skills essential to the role:

• High proficiency with Unreal Engine 4 Blueprints
• High-Level C++ skills within Unreal Engine 4 and outside.
• Extremely good problem-solving skills
• Networking, replication, and multiplayer integrations with VOIP services and video.
• Knowledge of the Google and Apple app store functionality and build processes.
• Core knowledge of how Unreal Engine 4 works internally
• Ability to modify API’s to get the desired result within Unreal Engine 4
• Ability to create and modify plugins within the Unreal Engine framework
• Understanding of fundamental design principles behind a scalable and modular application.

• Skills that will add value:
• AWS and Gamelift
• PHP, databases and Web Integrations
• Understanding of live streaming formats such RTMP. 
• Basic design skills and minimalist sensibilities. No major design skills required, but an understanding of what makes something look good.
• Basic cross-platform CG asset implementation skill
• Collaborative working using version control tools such as Git and project management applications.
• Low-level project planning and estimation skills.
• Strong leadership skills.
• A wicked sense of humor (you’ll need it).