
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

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About Us:
Tradelab Technologies Pvt Ltd is not for those seeking comfort—we are for those hungry to make a mark in the trading and fintech industry. If you are looking for just another backend role, this isn’t it. We want risk-takers, relentless learners, and those who find joy in pushing their limits
every day. If you thrive in high-stakes environments and have a deep passion for performance driven backend systems, we want you.
What We Expect:
• You should already be exceptional at Backend. If you need hand-holding, this isn’t the place for you.
• You thrive on challenges, not on perks or financial rewards.
• You measure success by your own growth, not external validation.
• Taking calculated risks excites you—you’re here to build, break, and learn.
• You don’t clock in for a pay check; you clock in to outperform yourself in a high-frequency trading
environment.
• You understand the stakes—milliseconds can make or break trades, and precision is everything.
What You Will Do:
• Develop and optimize high-performance backend systems in for trading platforms and financial services.
• Architect low-latency, high-throughput microservices that push the boundaries of speed and efficiency.
• Build event-driven, fault-tolerant systems that can handle massive real-time data streams.
• Own your work—no babysitting, no micromanagement.
• Work alongside equally driven engineers who expect nothing less than brilliance.
• Learn faster than you ever thought possible.
Must-Have Skills:
• Proven expertise in Backend (if you need to prove yourself, this isn’t the role for you).
• Deep understanding of concurrency, memory management, and system design.
• Experience with Trading, market data processing, or low-latency systems.
• Strong knowledge of distributed systems, message queues (Kafka, RabbitMQ), and real-time processing.
• Hands-on with Docker, Kubernetes, and CI/CD pipelines.
• A portfolio of work that speaks louder than a resume.
Nice-to-Have Skills:
• Past experience in fintech, trading systems, or algorithmic trading.
• Contributions to open-source projects.
• A history of building something impactful from scratch.
• Understanding of FIX protocol, WebSockets, and streaming APIs.
Why Join Us?
• Work with a team that expects and delivers excellence.
• A culture where risk-taking is rewarded, and complacency is not.
• Limitless opportunities for growth—if you can handle the pace.
• A place where learning is currency, and outperformance is the only metric that matters.
• The opportunity to build systems that move markets, execute trades in microseconds, and redefine fintech.
- 10+ years of software development experience
- 3+ years in a technical leadership role
- Strong expertise in Python and SQL
- Experience building scalable APIs and backend systems
- Solid understanding of database design and performance tuning
- Experience with Azure cloud services (AWS familiarity preferred)
- Working knowledge of ML/AI integration in enterprise systems
- Experience in client-facing or consulting environments preferred
- Experience with Databricks or modern data platforms
- Exposure to ETL tools such as Talend
- Experience with BI tools (e.g., Power BI)
- Exposure to regulated domains such as Pharma, Healthcare
Location: Bangalore
Experience required: 7-10 years.
Key skills: .NET core, ASP .NET, Microsoft Azure, MVC, AWS
"At Pace Wisdom Solutions, our .NET team is a dynamic and collaborative group of experts specializing in end-to-end development. With a focus on both front-end and back-end technologies, we leverage the robust .NET framework and Azure to deliver innovative and scalable solutions. Our agile approach ensures adaptability to industry changes, empowering us to provide clients with cutting-edge and tailored applications."
We are seeking a highly skilled and experienced Senior .NET Developer with a minimum of 7 years of hands-on experience. The ideal candidate will possess expertise in both front-end and back-end development, with a strong background in MVC architecture and exposure to Microsoft Azure technologies. The role requires an individual who can work independently, lead a team effectively, and contribute to the successful delivery of projects.
Engineering Culture at Pace Wisdom:
We foster a collaborative and communicative environment where engineers are empowered to share ideas freely. Teamwork is paramount, and we believe the best solutions come from diverse perspectives. We are committed to promoting from within, providing clear career paths and mentorship opportunities to help our engineers reach their full potential. Our culture prioritizes continuous learning and growth, offering a safe space to experiment, innovate, and refine your skills.
Responsibilities:
• Create scalable solutions by understanding business requirements, write code, test according to best practices.
• Own and Collaborate with the team including our customers, QA, design, and other stakeholders to drive successful project delivery.
• Advocate and mentor teams to follow best practices around: documentation, unit testing, code reviews etc.
• Comply with security policies and processes.
Qualifications:
• 7-10 years of professional experience in developing applications using .NET framework, .NET Core, Azure Services, Entity Framework
• Good knowledge of common software architecture design patterns, Object Oriented Programming, Data structures, Algorithms, Database design patterns and other best practices.
• Exposure to Cloud technologies (AWS, Azure, Google Cloud - at least one of them)
• Exposure to developing SPA on React, Angular or VueJS
• Experience with micro services, messaging systems (RabbitMQ/Kafka)
• Proven ability to lead and mentor development teams.
• Effective communication and interpersonal skills.
About the Company:
Pace Wisdom Solutions is a deep-tech Product engineering and consulting firm. We have offices in San Francisco, Bengaluru, and Singapore. We specialize in designing and developing bespoke software solutions that cater to solving niche business problems.
We engage with our clients at various stages:
• Right from the idea stage to scope out business requirements.
• Design & architect the right solution and define tangible milestones.
• Setup dedicated and on-demand tech teams for agile delivery.
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Pace Wisdom has been working with Fortune 500 Enterprises and growth-stage startups/SMEs since 2012. We also work as an extended Tech team and at times we have played the role of a Virtual CTO too. We believe in building lasting relationships and providing value-add every time and going beyond business.
FirstFiling is a FinTech startup that is managed, operated, and driven by Chartered Accountants, Company secretaries, IT engineers, and Lawyers. We provide registration and financial compliance services to businesses and individuals across India.
Our aim is to simplify the lives of people by helping individuals and businesses with mandatory compliances, filings, and statutory requirements while promoting financial literacy among the masses.
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