Python/Django Backend Developer

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

Strong Senior Backend Engineer profiles

Mandatory (Experience 1) – Must have 5+ years of hands-on Backend Engineering experience building scalable, production-grade systems

Mandatory (Experience 2) – Must have strong backend development experience using one or more frameworks (FastAPI / Django (Python), Spring (Java), Express (Node.js).

Mandatory (Experience 3) – Must have deep understanding of relevant libraries, tools, and best practices within the chosen backend framework

Mandatory (Experience 4) – Must have strong experience with databases, including SQL and NoSQL, along with efficient data modeling and performance optimization

Mandatory (Experience 5) – Must have experience designing, building, and maintaining APIs, services, and backend systems, including system design and clean code practices

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

Mandatory (Education) – Candidates from top engineering institutes (IITs, BITS, or equivalent Tier-1 colleges) are preferred

Mandatory skills- PHP, Laravel, Rest API

Develop, record and maintain cutting edge web-based PHP applications on portal plus premium service platforms.

Build innovative, state-of-the-art applications and collaborate with the User Experience (UX) team

Ensure HTML, CSS, and shared JavaScript is valid and consistent across applications.

Prepare and maintain all applications utilizing standard development tools

Utilize back end data services and contribute to increase existing data services API

Lead the entire web application development life cycle right from concept stage to delivery and post launch support

Convey effectively with all task progress, evaluations, suggestions, schedules along with technical and process issues

Document the development process, architecture, and standard components

Coordinate with co-developers and keeps project manager well informed of the status of development effort and serves as liaison between development staff and project manager

Keep abreast of new trends and best practices in web development

Communicate with other backend and front end engineers

Create and deploy web apps using the Laravel framework

Create server-side logic to handle front-end inputs

Identify and correct flaws identified in the code

Work with SQL databases

Ensure that all database inputs have been parameterized

Ensure that the relevant security standards are in place

Make sure you've built unit test cases to ensure your code is operating as intended and to avoid potential security issues

Create written documentation for each component

Company: SecuvyAI, Backed by Dell Technology Ventures

Location: Hyderabad

About Secuvy: 

At Secuvy, we believe Privacy & Data Security will be a necessity for every global brand. Our mission is to provide best in class Contextual Data Intelligence tools to monitor, automate & simplify data governance for security, compliance & legal teams. We hire out of the box thinkers with the passion, creativity, and perseverance to handle constantly expanding data sprawls and deliver impactful results to our customers. Secuvy’s team comprises experts with Deep AI & Security background who have launched products for Fortune 100. We are backed by Dell Technology Ventures & Top Security VC firms in Silicon Valley. Learn more at www.secuvy.ai 

About the Role: 

Our enthusiasm for leadership driven by purpose is unwavering. We believe that every individual holds latent abilities waiting to be discovered and that a bold, unconventional approach is necessary to unleash them. We have grand aspirations and never settle for mediocrity. We are meticulous in our attention to detail. Our desire to tackle challenging issues and achieve exceptional outcomes for our customers is what drives us to always strive for excellence

Responsibilities: 

• Design and develop high-quality, scalable, and performant software solutions using NodeJS and AWS services.
• Collaborate with cross-functional teams, including product managers, designers, and other engineers, to identify and solve complex business problems.
• Design and develop large-scale distributed systems that are reliable, resilient, and fault-tolerant.
• Write clean, well-designed, and maintainable code that is easy to understand and debug.
• Participate in code reviews and ensure that all code is of high quality and adheres to best practices.
• Troubleshoot and debug production issues and work with the team to develop and implement solutions.
• Stay up-to-date with new technologies and best practices in software engineering and cloud computing.
• Experience with Data Security or Cybersecurity Products is a big asset

Requirements: 

• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.
• At least 2-4 years of professional experience in building web applications using NodeJS and AWS services.
• Strong understanding of NodeJS, and experience with server-side frameworks such as Express and NestJS.
• Strong experience in designing and building large-scale distributed systems, with a solid understanding of distributed computing concepts.
• Hands-on Experience with AWS services, including EC2, S3, Lambda, API Gateway, and RDS.
• Experience with containerization and orchestration technologies such as Docker and Kubernetes.
• Strong understanding of software engineering best practices, including agile development, TDD, and continuous integration and deployment.
• Hands-on Experience with Cloud technologies including Kubernetes and Docker.
• Experience with no-sql technologies like MongoDB or Azure Cosmos
• Experience with a distributed publish-subscribe messaging system like Kafka or redis Pubsub
• Experience developing, configuring & deploying applications on Hapi.js/Express/Fastify.
• Comfortable writing tests in Jest
• Excellent problem-solving and analytical skills, with the ability to identify and solve complex technical problems.
• Strong communication and collaboration skills, with the ability to work effectively in a team environment.

Why Work With Us? 

• Join a rapidly growing startup with a passionate team of experts at the forefront of data privacy & security.
• Opportunity to play a key role in shaping the technical vision and strategy for Fortune 1000 Customers.
• Work in a dynamic, fast-paced environment where you can make an impact and drive change.
• Enjoy a competitive salary, benefits, and opportunities for growth and advancement.
• If you are a passionate, self-motivated, and experienced Senior NodeJS Software Engineer with expertise in AWS and large-scale system design, we would love to hear from you!

About us:

HappyFox is a software-as-a-service (SaaS) support platform. We offer an enterprise-grade help desk ticketing system and intuitively designed live chat software.

We serve over 12,000 companies in 70+ countries. HappyFox is used by companies that span across education, media, e-commerce, retail, information technology, manufacturing, non-profit, government and many other verticals that have an internal or external support function.

To know more, Visit! - https://www.happyfox.com/

We’re looking for a Lead Backend Engineer with 5+ years of experience in building web services to join our engineering team to help architect, build and run our growing list of products. You should have prior experience being responsible for building sufficiently complex products/services and mentoring software engineers.

Responsibilities: 

• Lead a team of engineers working on our product roadmap. You are expected to contribute to feature development with hands-on development tasks
• Oversee software architecture, source control workflows, and CI/CD processes and perform code reviews to ensure exceptional code quality
• Improve the development experience and the quality of the codebase. You will define and uphold best practices and coding standards for the team
• Responsible for architecture and design decisions
• Own stability and performance of the service that you work on
• Work with the Engineering Manager to ship stable software on time
• Contribute to the vision and long-term strategy in your area of expertise

Requirements: 

• 2+ years of experience in a technical lead role designing and building complex backend systems
• 5+ years of professional software development experience
• Excellent knowledge of best practices and coding patterns
• Deep knowledge of backend programming languages like Python and web application frameworks like Django
• Solid experience in building web services using relational databases like PostgreSQL or NoSQL databases like MongoDB
• Proficiency with Amazon Web Services (AWS) or Google Cloud Platform or Azure
• Extensive experience with Linux/UNIX production environments
• Strong sense of quality in terms of both program architecture and code style
• Passion to dig into technically complex problems to troubleshoot and figure out a solution
• Desire to continuously improve and ship the best quality product
• Pragmatic approach to make sure technical decisions align with actual business needs. 
• Good understanding of the trade-offs when building for product value, reliability, or performance
• Excellent communication skills with the ability to discuss and explain your point of view clearly and effectively
• An engineering degree is a must(B.E. CS preferred)

*Performs analysis of functional and business requirements

*Applies in-depth or broad technical knowledge to maintain data engineering functions performs solution design.

*Applies the company, open source, and 3rd party technologies to highly complex infrastructure and software solutions.

*Introduce new product features and enhance the platform

*Ability to translate business reporting requirements into a production report.

Job Location- Lucknow
The ideal candidate is a highly resourceful and innovative developer with extensive experience in the layout, design and coding of websites specifically in PHP format. You must also possess a strong knowledge of web application development using PHP programming language, Laravel Framework and MySQL Server databases.

Responsibilities

• Perform a mix of maintenance, enhancements, and new development as required
• Work in a data analyst role and with business intelligence applications
• Document features, technical specifications & infrastructure Responsibilities
• Work cross-functionally to convert business needs into technical specifications

Qualifications

• 1+ years' of experience in web development and software designing & Laravel Framewrok.
• Expertise in front-end technologies (HTML, JavaScript, CSS), PHP frameworks, and MySQL databases