Senior Backend Developer – Node.js (5+ years)

Winzons; India; On-site; INR 2,500,000 - 4,500,000; Full time

Benefits offered by this job

Equity participation

Competitive compensation

Job summary

Wohlig Transformations is seeking a Senior Backend Developer to architect and build scalable backend systems for the Allvest fintech platform. You will work on real-time data processing, portfolio analytics, and secure financial transactions, using NodeJS and Python in a production environment.

The role emphasizes RESTful APIs, microservices, and event-driven design with RabbitMQ and Kafka. Collaboration with cross-functional teams, code reviews, and mentoring junior developers are key parts of

Qualifications

• 5+ years of professional backend development experience.
• Strong expertise in NodeJS and Python for production-grade applications.
• Proven experience designing RESTful APIs and microservices architectures.
• Strong proficiency in PostgreSQL including query optimization and database design.
• Hands-on experience with RabbitMQ and Kafka for event-driven systems.
• Experience with BigQuery or similar data warehousing solutions.

Responsibilities

• Architect and build scalable, high-performance backend systems.
• Work on mission-critical systems handling real-time market data and portfolio analytics.
• Ensure regulatory compliance and secure financial transactions.
• Design, develop, and maintain robust backend services and APIs using NodeJS and Python.
• Build event-driven architectures using RabbitMQ and Kafka for real-time data processing.
• Develop data pipelines integrating PostgreSQL and BigQuery for analytics and warehousing.
• Lead technical design discussions, code reviews, and mentor junior developers.
• Collaborate with cross-functional teams to deliver end-to-end features.

Skills

NodeJS

Python

REST APIs

Microservices

Distributed systems

Security best practices

CI/CD

Education

Bachelor's degree in CS or related

Tools

PostgreSQL

RabbitMQ

Kafka

BigQuery

Docker/Kubernetes

Job description

Company Name: Wohlig Transformations

Client/Product: Allvest (AI-driven fintech platform)

Job Role: Senior Backend Developer

Work Type: Full-Time

Experience: 5+ Years

Qualification: Bachelor's Degree in Computer Science or related field preferred

Location: Mumbai (Phoenix Market City, Kurla West)

Description :

About Allvest :

• AI-driven financial planning and portfolio management platform
• Secure, data-backed portfolio oversight aligned with regulatory standards
• Building cutting-edge fintech solutions for intelligent investment decisions

Role Overview :

• Architect and build scalable, high-performance backend systems
• Work on mission-critical systems handling real-time market data and portfolio analytics
• Ensure regulatory compliance and secure financial transactions

Key Responsibilities :

• Design, develop, and maintain robust backend services and APIs using NodeJS and Python
• Build event-driven architectures using RabbitMQ and Kafka for real-time data processing
• Develop data pipelines integrating PostgreSQL and BigQuery for analytics and warehousing
• Ensure system reliability, performance, and security with focus on low-latency operations
• Lead technical design discussions, code reviews, and mentor junior developers
• Optimize database queries, implement caching strategies, and enhance system performance
• Collaborate with cross-functional teams to deliver end-to-end features
• Implement monitoring, logging, and observability solutions

Required Skills & Experience :

• 5+ years of professional backend development experience
• Strong expertise in NodeJS and Python for production-grade applications
• Proven experience designing RESTful APIs and microservices architectures
• Strong proficiency in PostgreSQL including query optimization and database design
• Hands-on experience with RabbitMQ and Kafka for event-driven systems
• Experience with BigQuery or similar data warehousing solutions
• Solid understanding of distributed systems, scalability patterns, and high-traffic applications
• Strong knowledge of authentication, authorization, and security best practices in financial applications
• Experience with Git, CI/CD pipelines, and modern development workflows
• Excellent problem-solving and debugging skills across distributed systems

Preferred Qualifications :

• Prior experience in fintech, banking, or financial services
• Familiarity with cloud platforms (GCP/AWS/Azure) and containerization (Docker, Kubernetes)
• Knowledge of frontend technologies for full-stack collaboration
• Experience with Redis or Memcached
• Understanding of regulatory requirements (KYC, compliance, data privacy)
• Open-source contributions or tech community participation

What We Offer :

• Opportunity to work on cutting-edge fintech platform with modern technology stack
• Collaborative environment with experienced team from leading financial institutions
• Competitive compensation with equity participation
• Challenging problems at the intersection of finance, AI, and technology
• Career growth in fast-growing startup environment

Location: Mumbai (Phoenix Market City, Kurla West)