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

About Astra:

Astra is a cyber security SaaS company that makes otherwise chaotic pentests a breeze with its one of a kind Pentest Platform. Astra's continuous vulnerability scanner emulates hacker behavior to scan applications for 9300+ security tests. CTOs & CISOs love Astra because it helps them fix vulnerabilities in record time and move from DevOps to DevSecOps with Astra's CI/CD integrations.

Astra is loved by 650+ companies across the globe. In 2023 Astra uncovered 2 million+ vulnerabilities for its customers, saving customers $69M+ in potential losses due to security vulnerabilities. 

We've been awarded by the President of France Mr. François Hollande at the La French Tech program and Prime Minister of India Shri Narendra Modi at the Global Conference on Cyber Security. Loom, MamaEarth, Muthoot Finance, Canara Robeco, ScripBox etc. are a few of Astra’s customers.

Role Overview:

As an SDE 2 back-end engineer you will be responsible for leading the development and maintenance of the platform/dashboard backend. This would involve architecting, developing & maintaining RESTful services for vulnerability management, scan orchestration, inventory management and platform features such as on-boarding, trust centers, certificates, payment integrations, vulnerability ingestion, authentication etc. 

You should have a strong background in backend programming (Symfony preferred, or Laravel) and have experience with an event driven, async & distributed architecture. 

During the first 6 months of your role, you will be involved in the 0->1 journey of two of our upcoming products in our platform along with the respective product owners.

Love solving hard problems? Want to build high impact products rooted in first principles? Is coding your poetry? Join us in shaping the future of cyber security.

Roles & Responsibilities:

• Lead the design, development, and maintenance of backend services and APIs using Symfony PHP framework. What you create is also what you own.
• Collaborate with front-end developers to integrate user-facing elements with server-side logic.
• Collaborate with scanner teams to orchestrate scans, ingest vulnerabilities, configure scanners etc.
• Write clean, well-documented, and efficient code.
• Optimize and refactor existing code to improve performance and reliability.
• Implement security and data protection measures.
• Triage, troubleshoot and upgrade existing systems.
• Ship code to production multiple times a day/week.
• Ensure timely delivery of the features.
• Test your own features, and write test cases for continuous automated testing.
• Troubleshoot complex issues, debug, and upgrade existing systems.
• Mentor junior engineers and lead code reviews, promoting best practices and high standards.
• Drive architectural decisions and technical strategy for backend systems.

What we are looking for:

• 4-6 years experience in a similar role or similar working experience.
• Advanced proficiency in PHP backend programming. Symfony preferred, or Laravel.
• Strong understanding of system design, software architecture principles and performance optimization.
• Experience with an event driven (subscribers/listeners), async (MessageHandlers & job queues) & distributed (load-balanced) architecture.
• Experience with PostgreSQL database and data modeling.
• Understanding of concepts such as Dependency Injection, ORM, data validation, error handling etc.
• Experience with Docker, Kubernetes, GitHub Actions (good to have).
• Experience with Agile methodologies.
• Excellent problem-solving skills and the ability to think strategically about technical solutions.
• Strong communication and interpersonal skills, with the ability to collaborate effectively with cross-functional remote teams.
• Demonstrated track record of delivering high-quality software products on schedule.
• Knowledge of industry best practices in software development, security, and compliance.
• Knowledge of application & infrastructure security - helps you stand out.

What We offer:

• Adrenalin rush of being a part of a fast-growing company, and working on hard problems that matter.
• Fully remote, agile working environment.
• Good engineering culture with full ownership in design, development, release lifecycle.
• A wholesome opportunity where you get to build things from scratch, improve and ship code to production in hours, not weeks.
• Holistic understanding of SaaS and enterprise security business.
• Experience with security side of things.
• Annual trips to beaches or mountains (next one is to Wayanad).
• Open and supportive culture.
• Health insurance & other benefits for you and your spouse. Maternity benefits included.

About Us

Aura is developing a platform to help companies/communities mint, buy, trade and sell NFTs in the easiest manner possible. Developing a state of the art store front customized to the community and a user friendly interface to unlock the digital growth of companies in the gaming, art, music, etc space by leveraging the power of NFTs. We are assembling a high performing team from the tech ecosystem to build this product and compete with the likes of NBA TopShot.

Requirements:

• Integration of user-facing elements developed by a front-end developers with server side logic
• Building reusable code and libraries for future use
• Optimization of the application for maximum speed and scalability
• Implementation of security and data protection
• Design and implementation of data storage solutions

Skills and Qualifications:

• 2+ years of experience in Node.js. Basic understanding of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3
• Good understanding of server-side CSS preprocessors, such as LESS and SASS
• Integration of multiple data sources and databases into one system
• Management of hosting environment, including database administration and scaling an application to support load changes
• Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform
• Implementing automated testing platforms and unit tests
• Proficient understanding of code versioning tools, such as Git
• Proficient understanding of security principles
• Understanding of “session management” in a distributed server environment
• Must have an understanding of SQL and NoSQL databases like Postgres, MySQL, Mongodb etc.
• Must have an understanding of Cloud: AWS or GCP
• Must have a good understanding of data structures and Algorithms

Benefits:

• Work on the cutting edge of blockchain technology and the upcoming use-case of NFTs (Non Fungible Token)
• Be a part of an early stage startup with funding from founders of Polygon

• Elocity is a cleantech start-up striving to make the world a better place through technology innovations. We are building a global infrastructure for making the transition to electric vehicles viable, affordable, and sustainable by working closely with the utilities, governments, and public.  
•  
• Headquartered out of Canada, we are a team of highly specialized domain experts and problem solvers enabling utilities, public and private sector entities to successfully manage the demands of electric vehicle charging and its infrastructure needs to pave the way for electromobility in future.  
• To know more visit https://elocitytech.com/" target="_blank">https://elocitytech.com/ 

• Responsibilities:  
• Determines technical feasibility of features or solutions by evaluating problem, customer requirements, possible solutions and technology requirements.  
• Exercises judgement in prioritizing tasks and selecting methods and techniques for obtaining solutions.  
• Create low-level design of modules of a software application through proper documentation and diagrams.  
• Develops software solutions by studying requirements, clarifying customer/user needs, analysing data and processes and following established software development practices and processes.  
• Develops proof of concepts for technical evaluation and early customer feedback  
• Updates and shares knowledge by studying state-of-the-art development tools, programming techniques, and computing technology; reading professional publications  
• Networks with internal and external personnel in own area of expertise.  

• Good command in JavaScript/TypeScript. Knowledge of Java/Python will be a plus.  
• Experience in Debugging/troubleshooting TypeScript code.  
• Experience in API development (REST/GraphQL etc)  
• Experience in development of Web and Mobile(android/iOS) applications  
• Exposure of Parallel and Asynchronous programming  
• Experience in writing Unit tests (Jest or any similar framework)  
• Should be proficient in relational Database concepts (Postgres etc.)  
• Knowledge of Non-relational Databases would be a plus.  
• Good Understanding of Object-Oriented Programming Concepts.  
• Good Understanding of Design Patterns.  
• Good command of Data structures, Algorithms and Complexity.  
• Good at problem solving and analytical skills.  
• Experience with Source Code Versioning systems (Git etc)  
• Understanding of Micro services Architecture would be a plus has context menu

What you need to have:

Roles & Responsibilities:

Build efficient, testable, and reusable PHP modules.

Solve complex performance problems and architectural challenges.

Integration of data storage solutions (may include databases, key-value stores, etc.).

Integration of User Interfaces developed by front end developers.

Skills and Qualifications:

· Must have a bachelor’s degree or above in Computer Science or in similar field.

· Minimum 4 years of experience in PHP web development.

· Strong knowledge of front-end technologies, such as JavaScript, HTML5, and CSS3

· Strong knowledge of PHP web frameworks (CodeIgniter, NodeJS)

· Experience in creating custom modules and themes.

· Expert knowledge in web architecture.

· Strong understanding of MVC design patterns and oops concept.

· Strong understanding of full synchronous behaviour of PHP.

· Experience with modern UI frameworks such as React, Angular or Vue.js

· Experience in MySQL and the ability to write SQL queries.

· Proficient understanding of source control management such as Git, SVN.

· Proficient understanding fundamental design principles behind a scalable application.

· Familiarity with limitations of PHP as a platform and its workarounds.

· Ability to create database schemes that represent and support business processes.

· Experience with Edu Tech companies will be preferred.

. Immediate Joiner Preferred.

• Collaborate with the team members to understand the client requirements.

• Advance coding skills in PHP, HTML, CSS, JavaScript and Scripting language desirable.

• Must have experience in working on frameworks such as Laravel, CodeIgniter.

• Write clean and well-structured codes.

• Produce detailed technical product descriptions.

• Troubleshoot, test and maintain the core product software along with the databases to ensure strong functionality and optimization.

• Contribute to all the software development phases.

• Follow the industry’s best practices for writing clean code.

• Develop and deploy the latest features that facilitate the relevant tools and procedures if required.

• Improve the code-base of our products in a significant manner

Senior Dotnet Developer

About the Company:

TransformHub is a An ISO 27001 certified Company adhering to a Gold standard in Information Security. It is multi-award-winning Global Digital Solutions company providing a full suite of digital transformation & product engineering services to enterprises, product companies & new-age start-ups. We have our presence in Singapore, USA, Canada, Middle East, UK and India. Our mission is to become a preferred partner to enterprises for growth and innovation in the digital age. TransformHub combines Strategy, Experience, and Technology at every stage of the engagement model to build human-centered digital platforms & channels. Our expertise lies around the 6 building blocks for Digitization - Product Engineering, Mobility, Enterprise Integrations, Data & Analytics, Cloud & DevOps, Intelligent Automation. With a large and ever-growing team of digitally ready consultants, the company helps its clients to grow and stay ahead of their competition. TransformHub has been featured into leading magazines like IndustryWired and CIOReview as Top 10 Digital Transformation Providers.

Responsibilities 

• Develop new applications or make enhancements to existing applications. 
• Analyze user requests and assist with design activities. 
• Collaborate with Client and translate business requirements into well-designed technical solutions. 
• Develop components based on business and/or application requirements. 
• Manage and assist with the completion of specific projects. This includes the development of web applications and web services. 
• Support applications and provide upgrades and maintenance as needed. 
• Assist software personnel in handling project related work and other requirements 
• Create and maintain documentation for application coding and project development. 
   

   Requirements  

• Familiarity with the .NET framework, C#, SQL Server database and design/architectural patterns 
• 5+ years of experience in .NET Technology Stack 
• Experience in designing databases with Microsoft SQL Server and building Web APIs 
• Excellent troubleshooting and communication skills 
• Experience working in an Agile environment (e.g. Scrum, Kanban) required. 
• Good knowledge of modern software design principles, concepts, and practices.