Senior Fullstack Developer (JS, REMOTE) (Itanagar)

Senior Fullstack Developer (JS, REMOTE) (Itanagar)

23 Oct
|
fiska.AI
|
Itanagar

23 Oct

fiska.AI

Itanagar

Fiska is transforming how finance teams manage event spend. We're building the first AI-powered platform that automates expense tracking, budget management, and real-time reconciliation for social media and marketing professionals (SMMPs).

Our customers save an average of $250K+ annually and reduce reconciliation time by 78%. We're backed by leading investors and working with global brands to solve billion-dollar problems in event finance.

As a Senior Full-Stack Engineer at Fiska, you'll be at the forefront of building the future of event spend management. You'll work with cutting-edge technologies including React, TypeScript, Node.js, and AI/ML integrations to create powerful, intuitive solutions for finance teams.

You'll work directly with product and design teams to ship features that delight customers and solve real financial challenges.

Architect and develop scalable, high-performance full-stack solutions for complex financial workflows including real-time spend tracking, multi-level budget management, automated reconciliation, and policy enforcement systems

AI/ML Integration: Collaborate closely with AI engineers to build intelligent agent systems and workflows that automate expense categorization, enforce spending policies, provide predictive analytics, and deliver actionable financial insights

Design, build, and maintain robust RESTful APIs and GraphQL endpoints with comprehensive error handling, rate limiting, and documentation that power seamless experiences across web and mobile applications

Frontend Excellence: Craft intuitive, accessible, and highly responsive user interfaces using React 18+, TypeScript, modern state management solutions, and cutting-edge CSS frameworks that deliver exceptional user experiences across devices

Performance Optimization: Drive application performance and scalability through strategic code optimization, intelligent caching strategies, query optimization, lazy loading, code splitting, and performance monitoring to ensure sub-second response times

Testing & Quality: Implement comprehensive testing strategies including unit tests, integration tests, and end-to-end tests using modern frameworks. Champion code quality, maintainability, and best practices through thorough peer reviews and technical documentation

Implement enterprise-grade security best practices including AI governance and output guardrails, end-to-end encryption, secure authentication and authorization (OAuth 2.0,



JWT), and ensure compliance with financial industry regulations (PCI DSS, SOC 2, GDPR)

Technical Leadership: Provide mentorship to junior engineers, lead architectural discussions and design reviews, establish coding standards, and actively shape engineering culture, processes, and team growth

Partner effectively with product managers, designers, AI engineers, and stakeholders to define technical requirements, estimate project scope, prioritize features, and deliver high-quality solutions on schedule

Advocate for technical improvements, modernization initiatives, and development process enhancements that increase team velocity and product quality

5+ years of professional software development experience with demonstrable track record of shipping production applications and features at scale

- Expert-level proficiency in React 18+, TypeScript, and modern JavaScript/ES6+ with deep understanding of hooks, context, performance optimization, and component architecture patterns
- Proven experience designing and building production-grade RESTful APIs and GraphQL services using Node.js, Express, Fastify, or NestJS with focus on scalability and maintainability
- Strong expertise in both relational databases (PostgreSQL, MySQL) and NoSQL databases (MongoDB) including complex query optimization, indexing strategies, schema design, and data modeling
- Hands-on production experience with cloud platforms (AWS, GCP, or Azure) including serverless architectures, container orchestration, infrastructure as code, and cloud-native services
- Deep understanding of CI/CD pipelines, DevOps practices, automated testing, deployment strategies (blue-green, canary), and monitoring/observability tools
- Comprehensive knowledge of security best practices including OAuth 2.0, JWT, RBAC, data encryption, secure coding practices, and experience implementing authentication/authorization systems
- Exceptional problem-solving abilities with systematic debugging approach, performance profiling skills,



and meticulous attention to code quality and edge cases
- Highly self-motivated with proven ability to work autonomously in remote environments, manage time effectively, and drive projects to completion with minimal supervision

Direct experience with fintech platforms, payment processing systems (Stripe, Razorpay), financial APIs, or building PCI-compliant applications handling sensitive financial data

Hands-on experience integrating AI/ML services such as AWS Bedrock, GCP Vertex AI, or Azure OpenAI into production applications and collaborating with data science teams

Advanced proficiency with GraphQL including Apollo Server/Client, schema design, federation, subscriptions, and performance optimization techniques

Production experience with containerization (Docker) and orchestration platforms (Kubernetes, AWS ECS/EKS, GCP GKE) including service mesh, auto-scaling, and microservices architecture

Active open source contributions, technical blog posts, or community involvement demonstrating thought leadership and commitment to knowledge sharing

Proven track record building and scaling multi-tenant SaaS products from early stage to enterprise scale with experience in billing systems, usage metering, and tenant isolation

Experience with modern frontend build tools and frameworks such as Vite, Next.js, TurboRepo, or Remix for server-side rendering and optimal developer experience

Knowledge of real-time systems using WebSockets, Server-Sent Events, or messaging systems like Redis Pub/Sub, AWS SQS, or Apache Kafka for event-driven architectures

Competitive salary aligned with top Indian startups plus significant equity stake to share in our growth

Health Insurance

Top-tier health insurance covering you and your family with major hospitals across India

Remote First

Work from anywhere in India with flexible hours and home office setup allowance

Flexible Time Off

Generous leave policy with paid time off, sick leave, and all Indian national holidays

Annual learning allowance for courses, certifications, books, and tech conferences

Growth opportunities

Early-stage startup with rapid growth opportunities and direct impact on company direction

Fast & Agile

Ship quickly, iterate constantly, and adapt to change.

We build for the long term—sustainable growth, sustainable practices, sustainable impact.

We invest in our communities and create opportunities for all.

📌 Senior Fullstack Developer (JS, REMOTE) (Itanagar)
🏢 fiska.AI
📍 Itanagar

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