Senior Software Engineer - Backend

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

Software Developer

Roles and Responsibilities

• Apply knowledge set to fetch data from multiple online sources, cleanse it and build APIs on top of it
• Develop a deep understanding of our vast data sources on the web and know exactly how, when, and which data to scrap, parse and store
• We're looking for people who will naturally take ownership of data products and who can bring a project all the way from a fast prototype to production.

Desired Candidate Profile

• At Least 1-2 years of experience
• Strong coding experience in Python (knowledge of Javascripts is a plus)
• Strong knowledge of scraping frameworks in Python (Request, Beautiful Soup)
• Experience with SQL and NoSQL databases
• Knowledge in Version Control tools like GIT.
• Good understanding and hands-on with scheduling and managing tasks with cron.

Nice to have:

• Experience of having worked with elastic search
• Experience with multi-processing, multi-threading, and AWS/Azure is a plus
• Experience with web crawling is a plus
• Deploy server/related components to staging, live environments.
• Experience with cloud environments like AWS,etc as well as cloud solutions like Docker,Lambda, etc
• Experience in DevOps and related practices to improve development lifecycle, continuous delivery with high quality is an advantage.
• Compile and analyze data, processes, and codes to troubleshoot problems and identify areas for improvement

Within the Senior Back-End Drupal Developer role, you will be responsible for planning, building, and supporting websites for our clients.

Key responsibilities include:

• Identifying requirements and planning out the technical approach to implement the right solution for our clients
• Helping develop custom back-end functionality for our clients' Drupal websites
• Building web services and working with various APIs
• Helping to improve our development methods and practices demonstrating a commitment to quality
• Keeping up to date with the latest development trends and introducing new technologies where relevant and appropriate
• Providing support and maintenance for our clients' existing Drupal websites
• Supporting other members of the development team through training, code review and knowledge shares

Skills Required:

• Recent experience working with Drupal 8
• An excellent knowledge of PHP and a thorough understanding of Object-Oriented Programming (OOP) concepts
• Previous experience of working with APIs (JSON/XML)
• Experience in interacting with databases using SQL
• An understanding of version control systems such as Git
• Experience of working within a busy development environment with deadlines to meet
• Ability to understand problems and explain their complexity clearly to technical and non-technical stakeholders
• Understanding of the software development lifecycle
• Commitment to creating clear documentation and understanding the requirement for it
• Excellent verbal and written communication skills
• A friendly personality with strong interpersonal skills

Tired of working endless hours on uninspiring products? Come work with AvanSaber (https://www.avansaber.com/" target="_blank">https://www.avansaber.com). An inclusive productive team that is changing the way that every customer manages their business!

Qualifications - Technical Skills Required:

Mandatory Skills:

Soft skills required
Strong collaborative skills
Excited by the thought of working with hard problems to solve
Focused on delivering software within the timeframes, we set collaboratively

Laravel

Optional:
VueJS, NuxtJS, React, and React Native
Mobile Frontend for Android or iOS

A little nerdy, tell us your passions. Show us your killer portfolio! Ideally, have some work currently used in the wild and be able to talk with us about your process, challenges, and what you've learned from it all.
Know more than us about your craft, and be able to use data to support your design decisions.

• Play a complete Backend development role for Magento store development, maintenance, upgradation and customization projects. Also provide support to clients, via project management tool. Handle the complete project and achieve 100% client satisfaction.
• Must posses fair, clear understanding of fundamentals and concepts of Magento 1/2, PHP, Zend Framework
• Knowledge in Magento Extension development.
• Write well-engineered source code that complies with accepted web standards.
• Good experience in Magento 2 Store development - design implementation, creating themes, create custom modules;
• Strong Knowledge of Magento Best Practices, including experience developing custom extensions and extending third party extensions
• Ability to develop and manage e-commerce websites, web applications, and websites.
• Can understand the goals and create strategies for each project.

Technical Skills:

• Possess good exposure on Magento, CMS, CodeIgnitor, OpenCart, JavaScript/ jQuery.
• Extensive experience of PHP and MySQL.
• Focused on Object-Oriented Programming (OOP),
• Demonstrable knowledge of XML, XHTML, CSS, Modules i.e. API integration, Payment Gateways, XML with a focus on standards.

Technology is at the heart of our organization. We have a strong engineering team and we're looking for an experienced engineer to lead our backend engineering team. As part of the tech team, you will Understand product requirements and brainstorm ways to address them

• Lead large initiatives and be responsible for it
• Mentor teammates
• Set and enforce standards for writing and maintaining efficient code
• Influence team decisions in the overall architecture and practices of the company
• Contribute to company growth by participating in hiring activities

Must-haves

1. At least 4 years experience in a product based company
2. Experience working with distributed environments at scale
3. Strong command on at least one Object Oriented Programming language
4. Experience leading developers for large scale products
5. Demonstrated capability to design and architect products built for scale
6. Deep knowledge of multiple AWS services
7. Experience with Docker and Kubernetes

Good to have

1. Experience with at least one among C++, Java
2. Experience with Linux file systems
3. Familiarity with agile development methodologies

We're hiring a set of highly skilled, enthusiastic, and passionate people who thrive in a high-growth environment. We believe the best way to grow is to give everyone the opportunity to pursue their interests. At Lucidity, you have complete freedom to work on projects that interest you. Plus, with benefits like flexible hours, company offsites, unlimited leaves, we ensure you enjoy the journey as much as we do. We are also offering healthy founding team ESOP's.