Senior Full-Stack Developer – Fintech

10 hours ago


Chandigarh, India Toshani Digital Full time

Location: New Delhi (On-site only)Experience: 7–10 YearsSalary: ₹12–15 LPAJob Type: Full-Time (Founding Team Role)Company: Toshani Premium Digital Services Pvt. Ltd — Series-A Funded Fintech StartupAbout the CompanyWe are building India’s next-generation Banking-as-a-Service (BaaS) and Neo-bankingplatform, combining digital banking, financial inclusion services, and AI-powered financialintelligence.What We’re Building:• Multi-tenant Banking Reseller Platform• Neo-banking App (UPI, Savings, Investments)• Fintech Services: AEPS, DMT, BBPS, Recharge, Insurance, Loans• White-label Banking Solutions for B2B• AI-based financial analytics & personalizationGrowth Goals:• 50,000+ Retail Partners (Year 1)• 5M+ End Customers (Year 2)• ₹1,000 Cr+ Monthly Transaction Volume• Presence in 25+ States Across IndiaRole OverviewAs a Senior Full-Stack Developer & Founding Team Member, you will architect, build& scale our end-to-end fintech platform from scratch.Core Responsibilities✔ Design microservices architecture for banking platform✔ Build web portals (admin, retailer, customer dashboards)✔ Develop React Native mobile apps (iOS/Android)✔ Integrate 30+ banking APIs — NPCI, AePS, BBPS, UPI, IDFC, Fino, NSDL✔ Implement real-time transaction engine (10,000+ TPS)✔ Design cloud infrastructure using AWS/GCP & Kubernetes✔ Build secure wallet + multi-level commission engine✔ Implement fraud detection, PCI DSS & RBI compliance✔ Create AI/ML features (analytics, spend insights, prediction)Tech Stack You’ll Work WithFrontend: React 18+, Next.js, TypeScript, React Native, Redux ToolkitBackend: Node.js (NestJS/Express) OR Java Spring Boot OR Go, Kafka/RabbitMQDatabases: PostgreSQL, Redis, MongoDB, TimescaleDB, ElasticsearchCloud & DevOps: AWS/GCP, Docker, Kubernetes, Terraform, CI/CD, PrometheusSecurity: JWT, OAuth2.0, AES-256, TLS 1.3, HSM, API GatewayFintech Services: UPI, AEPS, DMT, BBPS, KYC/AML, NPCI APIsRequired Skills (Must-Have)✔ 7–10 years of full-stack development experience✔ Strong backend expertise in Node.js / Java / Go✔ PostgreSQL & Redis mastery✔ Microservices + API Gateway + Message Queues✔ React + TypeScript proficiency✔ React Native mobile app experience✔ Fintech/Banking domain knowledge – AEPS, DMT, BBPS, UPI✔ Cloud deployment using AWS/GCP + Kubernetes✔ Security-first mindset — PCI DSS / RBI guidelinesEducation & Certifications (Preferred)B.E./B.Tech/M.Tech in CS/IT (or equivalent experience)AWS / GCP / CKA / PCI DSS / Security CertificationsBonus Skills (Great to Have)• Spend analytics & PFM features• Gamification & reward engines• AI/ML insights & recommendation systems• SIP automation & investment platforms• UPI Lite & recurring payments• Fraud detection & anomaly monitoringIdeal Candidate TraitsYou are a strong fit if you have:✔ Built high-scale fintech platforms handling 100K+ daily transactions✔ Experience with RBI/payment compliance & reconciliation cycles✔ Experience in 0→1 startup or high-growth product✔ Strong problem-solving + system design capabilities✔ Passion for financial inclusion & building Bharat-first productsNot Eligible For This Role✘ Freshers✘ Freelancers / Part-time✘ Remote workers✘ Candidates without fintech/banking experienceBe a Core Builder of India’s Next Big Fintech PlatformIf you have 70%+ of the skills, apply confidently — we value strong fundamentals &problem-solving more than knowing everything.



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