- Perform full life cycle software development
- Test and evaluate the technical aspects of every decision
- Review codes and assess code quality
- Provide timely solutions to issues
- Develop a server-side code for high-volume web-based applications
- Create and develop web user interfaces with Web API as back-end
- Implement analytics and monitoring routines
- Knows how to SQL queries for the requirements & Stored Procedure / Entity framework
- 2-3 Experience with and good knowledge of C, C++, C# and database technology .
- 2+ years of experience with .NET MVC and web-based development
- Experience with ASP.NET MVC, jQuery, Web API, Restful Service
- Experience on Angular will be preferred

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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 seeking an experienced & highly skilled Java Lead to join our team. The ideal candidate will have a strong background in both front end & Back-end Technologies with expertise in JAVA, and Spring.
As a Lead, you will be responsible for overseeing the development
team, architecture saleable application & ensuring best practices in software development. This role requires a hands on leader with excellent problem solving abilities & a passion for mentoring junior
team members.
Responsibilities
- Lead & mentor a team of developers proving guidance on coding standards, architecture & best
- practices
- Architect, design & develop ent to end JAVA based web applications & ensure high performance,
- security & scalability
- Work closely with cross functional teams, including product managers, designers & other developers
- to ensure alignment on project requirements & deliverable.
- Conduct code reviews & provide constructive feedback to team members to improve code quality &
- maintain a consistent codebase
- Participate in Agile/Scrum Ceremonies such as stand ups, sprint planning & retrospectives to
- contribute to the development process.
- Troubleshoot & resolve complex technical issues & ensure timely resolution of bugs & improvements.
- Stay up to date with emerging technologies & industry trends recommending & implementing
- improvements to keep our stack modern & effective
Skills & Requirements
- Minimum 8 Years of experience in Java development, with at least 2 years in Lead developer role.
- Back-end - Core JAVA/JAVA8, Spring-boot, Spring Framework, Micro-services, Rest API’s, Kafka,
- Database - MySQL
- Must be working in the fintech/ Payments domain
Preferred
- Experience with Batch writing, Application performance, Caches security, Web Security
- Strong hands-on code development experience in JAVA 14+, Restful Service, Spring Boot, JDBC Template.
- Experience in SQL scripting
- Experienced in developing and deploying web applications using Spring MVC and Spring boot.
- Hands on experience in one of the IDE’s – Eclipse or IntelliJ
- Experience with Tools- Maven, Jenkins
- Experience in entire software development life cycle from analysis, coding, testing, debugging and publishing using GIT
- AWS Services will be an added advantage
- Experience Kafka, K8s and Containers will be an added advantag.
Excellent communication, interpersonal & analytical skills with proven abilities in resolving the complex software issues
Years-6 to 12 years
Location:Chennai
Roles and Responsibities
- 7+ years of experience as software engineer.
- Experience in Dot.Net technologies - Asp.Net MVC, WebAPI, .NetCore
- Experience in ORM like Entity Framework /Dapper
- Experience with Object-Oriented Design and SOLID principles
- Experience with Unit Testing, Mocking and Dependency Injection frameworks
- Experience with SQL Server, NoSQL or other database technology
- Experience with software quality, testing procedures and build automation tools
- Knowledge of the Principles & Patterns of Agile Software
- Ability to understand and troubleshoot existing code and maintain existing systems.
- Ability to identity performance bottlenecks.
- Experience working with version control tools such as GIT and CI/CD tools.
Regards
Sundaravalli
We are looking for Sr. Node Js Developer
Experience - 3-5 years
Location - Ahmedabad, Gujarat. (Work from Office)
5 Days working
Should have good communication skills.
Requirements:
•API Development
• Mongodb or Firebase
•Designing and developing user interfaces using Angular OR JavaScript MV-VM/MVC frameworks
•Good understanding of AJAX and JavaScript, TypeScript Dom manipulation Techniques
•Experience with RESTful services
•Expert in any one of the modern JavaScript MV-VM/MVC frameworks (AngularJS, JQuery, ReactJS)
•Knowledge of Node.js, Express and frameworks available for it
•Understanding the nature of asynchronous programming and its quirks and workarounds
- You should have minimum 5 years of experience doing .NET XAMRIN development with MAUI experience.
- Please do not post your resume if you have less than 5 years of development experience.
- Strong knowledge of, XAML, C# along with MAUI.
- Experience developing Cross Platform applications (Android/iOS/Windows) in- MAUI.
- Strong Knowledge of Core concepts of Android & iOS.- Good exposure to UI development using.
- Xamarin.Good knowledge in programming using .NET/ Blezor C#- Good exposure to Webservices.
- Candidate should have a good understanding of Agile methodologies.
- Excellent problem-solving skills, self-motivated, adaptable, and goal-oriented.
- Should have good verbal and written communication in English.
- Experience in working with ESRI APIs
Role : Dot Net Developer Architect
Experience : 1 to 10 Years
Job Location : Chennai
About OJ Commerce :
OJ Commerce is a fast - growing, profitable online retailer based in Florida, USA with a full - fledged India office based in Chennai driven by a sophisticated, data - driven system to run the operations with virtually no human intervention. We strive to be the best - in - class ecommerce company delivering exceptional value to customers by leveraging technology, innovation and brand - partnerships to provide a seamless & enjoyable shopping of high - quality products at the best prices to our customers.
Responsibilities :
- Work with business - stakeholders to understand requirements, prototype, build and deploy it.
- CRUD the backend code you own keeping maintenance, performance and security in mind.
- Keep up breast of latest technologies and its ecosystem and adopt ones that aid safe product delivery at speed.
- Automate the boring and mundane stuff for you prefer to be productive than being busy.
- We are flat. Be responsible for professional growth of self and the team.
- Tune application for performance.
- Take initiatives and manage change to work towards business goals at speed without compromising safety.
- Coach full - stack developers on backend skills.
- Provides problem resolution support, specific to application issues, identifies and resolves problems in application software, determines symptoms and ensures accurate problem definition
- Develop functional, architectural and other documentation as required for productive functioning of teams.
- Be the brand ambassador for OJ Commerce by speaking at meetups, conferences, etc.
- We are fluid. Be ready for changing dynamics in responsibilities from time to time. Exciting isn't?
- Take the lead in digital transformation of legacy applications.
What you need to shine ?
- You have the prior experience in modernising legacy applications.
- You are a passionate hands - on developer with deep experience in building enterprise grade software in Microsoft ASP.NET Core, ASP.NET MVC, Web API, SOA, Micro - Services and RESTful Services with knowledge of SQL Server database.
- You have the ability to see and work on the big picture (Application Architecture) and devilish details (Complex Code).
- Strong experience in developing web applications using C#, VB.Net, .NET, LINQ, Net Framework 4.0, MVC 3/4/5, ASP.NET Web API, .Net Core etc.
- You are Cloud savvy, preferably Google Cloud.
- You have rich experience in Object - Oriented Programming (OOP) with good knowledge of practical design - patterns and its applications.
- Hands - on experience in building SOA or Micro - services preferably on .NET Core.
- Proven Architectural skills with high standards in Code quality
- Knowledge of ReactJS/Typescript would be added advantage.
- Practical experience in Agile development methodologies of using CI/CD.
- Extreme Programming (TDD) experience is sought after by us.
What we Offer
- Greenfield opportunity to transform legacy backend applications to latest technology stack.
- Fast - paced start - up environment: This is not for the faint hearted; you need grit and passion as much as you need the core skills.
- Work in an interdisciplinary team where learning from one another and developing solutions cross - functionally is a key part of our culture.
- Golden opportunity to make history by making big business impact.
- Competitive salary to take good care of self and family.
- Insurance Benefits: Medical and Accident cover.
- Flexible Working Hours
Job Types: Full - time, Permanent
• Front-End: HTML5, Bootstrap 3/4, jQuery, Angular
• Database: SQL Server, Oracle
• Ability to perform requirement analysis and design of customer requirements
• Good understanding of coding standards and best practises
• Exposure to customer communications for requirements discussion
Tatsam is a stealth mode, venture-backed mental healthcare company based in India. We're redesigning mental health and wellness experiences for the modern day working professional, have raised angel round from top-tier investors, and signed some of the largest Indian enterprises and startups for the upcoming private beta launch… and we’re just getting started.
The startup is led by a team of CXOs who are serial entrepreneurs (YC alumni, IIT alumni, CXO in large enterprises). They are supported by a team of behavioral design experts, clinicians and counsellors with vast experience, and technologists on a mission to improve mental health and wellbeing for the modern day working professional.
Responsibilities:
- Your primary responsibility as a senior backend engineer will be to architect and develop a scalable and robust micro-services backend with strong Java, Spring(Boot), MySQL, AWS/GCP.
- Experience being part of a software development team in an Agile/Lean/Continuous Delivery environment
- Be a key performer in a high-performance product engineering team
Qualifications:
- 1 to 4 years of overall IT experience. Most of this experience in Java (Core Java, J2EE, Springboot, Java collections, Java Multithreading)
- Should have experience designing database schemas - SQL and NoSQL.
- Exposure to frameworks like Spring, Hibernate, Play would be a plus
- Experience with microservices architecture would be beneficial.
- Working knowledge of any public cloud (AWS, GCP or Azure)
- Broad understanding and experience of real-time analytics, NoSQL data stores, data modeling and data management, analytical tools, languages, or libraries
- Bachelor's Degree in Computer Science or Engineering.
The Opportunity
You will enter a close group of exceptionally talented people who in the last 2-months have secured incredible investors, partners, clients and advocates. We will continue this momentum till our vision of being able to provide good mental health and wellbeing avenues for the modern day professionals is achieved. If we like each other and agree to partner in this journey, this has the potential of resulting in a compounded career and mental growth for you.









