Full Stack Engineer (Fintech Focused)

8byte; Bengaluru; On-site; INR 1,800,000 - 3,200,000; Full time

Benefits offered by this job

Comprehensive health insurancecoverage

Equity options (ESOPs)

Competitive salary

Job summary

8byte is seeking an experienced Full Stack Engineer to design, build, and scale high-performance web applications and secure backend systems for fintech and SaaS solutions.

You will work closely with product, design, and AI/ML teams to build reliable, high-throughput financial applications using React, Next.js, Node.js, NestJS, PostgreSQL, Redis, and AWS to deliver scalable software with strong security and compliance.

Qualifications

• Bachelor's or Master's degree in Computer Science, Computer Engineering, Information Technology, or a related technical field is mandatory.

Responsibilities

• Design, build, and maintain high-performance, responsive applications using React.js, Next.js, Node.js, and NestJS.

Skills

React.js

Next.js

TypeScript

Node.js

NestJS

PostgreSQL

AWS

Education

Bachelor's or Master's degree in Computer Science/Engineering/IT

Tools

Redis

MongoDB

Docker

Kubernetes

Terraform

CI/CD

Git

GitHub

WebSockets

Webhooks

gRPC

Job description

• Database: PostgreSQL
• Comprehensive health insurance coverage

About The Role

We are seeking an experienced Full Stack Engineer to design, build, and scale high-performance web applications and secure backend systems for our fintech and SaaS solutions.

In this role, you will work closely with product, design, and AI/ML teams to build reliable, high-throughput financial applications. The ideal candidate brings a strong background in modern JavaScript/TypeScript frameworks, cloud infrastructure, and distributed systems, coupled with a solid understanding of fintech workflows, security, and scalability.

Key Responsibilities

• Full-Stack Development: Design, build, and maintain high-performance, responsive applications using React.js, Next.js, Node.js, and NestJS.
• API & Architecture Design: Develop secure RESTful and GraphQL APIs, incorporating microservices and event-driven architecture.
• Database & Caching: Design, optimize, and manage relational databases (PostgreSQL) and implement caching solutions (Redis) for peak performance.
• Asynchronous Processing: Build event-driven pipelines using messaging queues like Kafka or RabbitMQ.
• Cloud & DevOps: Containerize applications using Docker, support Kubernetes deployments, maintain AWS cloud infrastructure, and manage automated CI/CD pipelines.
• AI/ML Integration: Collaborate with AI/ML teams to integrate intelligent, automated services into production applications.
• Security & Compliance: Enforce industry-standard security practices—including robust authentication, authorization, data encryption, and compliance with financial regulations.
• Code Quality: Write clean, modular, maintainable, and well-tested code following agile engineering practices.

Requirements & QualificationsEducation

• Bachelor's or Master's degree in Computer Science, Computer Engineering, Information Technology, or a related technical field is mandatory.

Primary Skills (Must-Have)

• Frontend: React.js, Next.js, TypeScript
• Backend: Node.js, NestJS
• Database: PostgreSQL
• Cloud: AWS (Amazon Web Services)

Secondary & Technical Competencies

• Databases & Caching: Redis, MongoDB
• DevOps & Infrastructure: Docker, Kubernetes, Terraform, CI/CD Pipelines
• APIs & Protocols: REST, GraphQL, WebSockets, Webhooks, gRPC
• Messaging Systems: Kafka / RabbitMQ
• Version Control: Git & GitHub

What You'll Bring

• 4-5 years of hands-on software engineering experience within Fintech or SaaS domains.
• Proven track record of owning features end-to-end from system design to production deployment.
• Strong expertise in distributed systems, SQL optimization, and backend architecture.
• Sound knowledge of Data Structures, Algorithms, and System Design patterns.
• Strong problem-solving abilities and clear technical communication skills.

Preferred Qualifications

• Domain experience in Payments, Lending, Neo-banking, Wealth Tech, or Insurance Tech.
• Hands-on exposure to AI-driven products or machine learning integrations.
• Experience working in fast-paced Agile environments.

Tech Stack

• Frontend: React.js, Next.js, TypeScript
• Backend: Node.js, NestJS, Express.js
• Database & Caching: PostgreSQL, MongoDB, Redis
• Cloud & DevOps: AWS, Docker, Kubernetes, Terraform, CI/CD Pipelines
• Messaging & Real-time: Kafka, RabbitMQ, WebSockets, Webhooks, gRPC

What We Offer

• Competitive fixed salary + Performance-based bonuses
• Equity options (ESOPs)
• Comprehensive health insurance coverage
• Direct impact and ownership of core fintech architecture
• Collaborative, high-growth engineering culture

Skills: next.js,react,nestjs,aws,node.js,postgresql