SDE-2,3/Lead/EM/Staff engineer

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

Profile- Java Developer

Experience– 4 to 7 Years

Skills Required - Java, Spring Boot, Hibernate, Microservices, Design Patter, JUnit, Mockito

Roles & Responsibilities -

• Experience in Java, J2EE, and Java 8 Features
• Experience in Java frameworks such as Spring, Hibernate.
• Experience in Microservices Architecture.
• Expertise in designing and implementing RESTful APIs.
• Familiarity with build tools such as Ant, Maven, and Gradle
• Proficient understanding of code versioning tools, such as Git
• Familiarity with Agile methodologies and Scrum framework.
• Sound knowledge of Oops programming
• Basic knowledge of any cloud and CI/CD Tools

Designation: Java Back End Developer

1. Strong in Java , Spring Boot, ver.x (Microservices)
2. 5+ year’s software engineering experience working with large scale applications and projects.
3. Knowledge of best practice software development methodologies and coding standards.
4. General knowledge of public cloud infrastructure and data solutions (e.g. AWS)
5. Broad experience designing and developing scalable, resilient, performant applications:
6. Distributed systems
7. Microservices design and implementation
8. Experience working on, and deploying, large scale systems in Java 
9. Experience with relational DBs like MySQL, SQL Server or Oracle.

We are seeking a talented and NopCommerce Developer to join our dynamic team. The ideal candidate will have a strong background in backend development, with extensive experience working with the nopCommerce platform. As a NopCommerce Developer, you will play a key role in architecting, developing, and maintaining e-commerce solutions for our clients. You will collaborate closely with our cross-functional teams to deliver cutting-edge solutions that meet our clients' needs and exceed their expectations.

Responsibilities:

1. Design, develop, and maintain scalable and high-performance e-commerce solutions using the nopCommerce platform.
2. Customize and extend the functionality of nopCommerce to meet client requirements.
3. Implement best practices for coding, testing, and deployment to ensure the reliability and maintainability of the codebase.
4. Collaborate with project managers, designers, and other developers to translate client requirements into technical solutions.
5. Perform code reviews and provide mentorship and guidance to junior developers.
6. Troubleshoot and resolve issues related to nopCommerce implementations.
7. Stay up-to-date with the latest developments in nopCommerce and e-commerce technologies to continuously improve our solutions.

Qualifications:

1. Bachelor's degree in Computer Science, Engineering, or a related field.
2. 4+ years of experience in software development, with a focus on e-commerce solutions.
3. Strong proficiency in C#, ASP.NET Core, and SQL Server.
4. Extensive experience working with the nopCommerce platform, including customization, plugin development, and theme integration.
5. Solid understanding of web technologies such as HTML, CSS, JavaScript.
6. Experience with version control systems such as Git.
7. Excellent problem-solving skills and attention to detail.
8. Strong communication and interpersonal skills, with the ability to collaborate effectively with cross-functional teams.
9. Experience with Agile development methodologies is a plus.

Required Skills:

• 2+ year of experience in Development in JAVA technology.
• Strong Java Basics
• SpringBoot or Spring MVC
• Hands on experience on Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
• Proficient in REST API development
• Messaging Queue (RabitMQ or Kafka)
• Microservices
• Any Caching Mechanism
• Good at problem solving

Good to Have Skills:

• 4+ years of experience in using Java/J2EE tech stacks
• Good understanding of data structures and algorithms.
• Excellent analytical and problem solving skills.
• Ability to work in a fast paced internet start-up environment.
• Experience in technical mentorship/coaching is highly desirable.
• Understanding of AI/ML algorithms is a plus.

Requirements:

 Strong development skills in Core / Advanced Java, and J2EE.

 Knowledge of Bamboo, Jira, Spring AOP, Junit, SQL query optimization and fine tuning, is a

plus.

 Strong analytical skills.

 Good in Design Patterns.

 Should have experience on JMS/Messaging and middleware like IBM MQ/Apache Kafka.

 Strong in design and technical documentation.

 Strong in Java SDK 1.8, Java SDK 11, Spring Boot (Embedded Tomcat), REST & SOAP API skills.

 Strong in Spring frameworks (MVC, IOC, Boot, Batch) and ORM framework like Hibernate.

 Hands-on experience in SQL.

 Core Java, J2EE, SOA based Web Services, RESTful Web Services, Hibernate, Spring MVC,

XSD, XML and WSDL, DB, Microservices.

 Understanding of Kafka and Netflix conductor.

 Should have worked with Maven/Gradle, JIRA/Rally, Bamboo/Jenkins/Hudson.

 Extensive development experience with Web Services (SOAP and REST).

We are scaling rapidly in user engagement (reached 150K+ daily transactions within 3 months of beta launch), and if you're looking to deal with scale, this is for you.

About Trago.in: We are a neo-trading platform where one can trade their opinions on real-time events across politics, Sports. We are building in a super-interesting category with a focus on things happening around you and giving the audience a platform to earn from opinions and knowledge.

We are a seed-funded company with marquee investors from across the globe and an amazing set of co-founders from the premier institutes of India.

To know more about us, please visit: www.trago.in

Responsibilities:

* Build the APIs and internal mechanisms of the Trago backend across all our services.

* Architect and guide building end-to-end systems optimized for speed and scale.

* Build and lead engineering teams to achieve product roadmap milestones.

* Oversee the research and development of new products and technologies.

* Be available for troubleshooting in case of backend emergencies.

Requirements:

* Bachelors in Computer Science or any Engineering domain with experience in Software Programming.

* 2-5 years of experience building large-scale software applications.
* Highly proficient with Java and knowledge of the many intricacies of Spring Boot.

* Proficient with MongoDB and Redis.

* Knowledge of Aerospike, and other databases would be a bonus. Good understanding of distributed systems (servers, databases, etc.).

* Positive and solution-oriented mindset and comfort working in a highly agile, intensely iterative software development environment.

What's in for you?

* Work directly with founders

* Freedom to experiment and get creative.

* Be Yourself, every day.

* Build for scale - We are building Trago with a mindset to scale to 100 mn+ customers in 3 years. We are presently doing 150K transactions a day, which we will scale by 100x in one year.

Position : Lead / Developer - Guidewire

Experience : 7 – 12 Yrs

Client : a Digital Transformation Company

Location : Hyderabad, IND

Key Skills :  Java/J2EE, Gosu, GW plug-ins, Jenkins/Mavens/TFS, Guidewire BillingCenter Functional & Integration, GX model, BillingCenter data model, P&C Insurance domain, SQL, JMS, Message Queue

Skills Required : 

• Hands on Experience of Document Integration in Policy Center and Billing Center.
• Hands On experience in Rating Management(Rate table, routines, Product Model etc)
• Hands on Experience with Billing Center Components like Invoice, Disbursement, Deliquency, Payment Plan, Billing Plan etc.
• Hands on Experience in Configuration and Entity customization.
• Should ready to relocate Hyderabad.
• Pre Covid WFH, post Covid need to work from office.
• Should ready to work in US Shifts (EST Timings)