Nium
Nium3mo ago

Sr SDE - Full Stack

Mumbai,MumbaiFull-timesenior
OtherFull
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Quick Summary

Overview

Nium, the Leader in Real-Time Global Payments Nium, the leading global infrastructure for real-time cross-border payments, was founded on the mission to deliver the global payments infrastructure of tomorrow, today.

Technical Tools
awsazuregcpjavajavascriptmongodbmysqlnextjspostgresqlreactredisspring-bootterraformtypescriptapi-designb2bci-cdcode-reviewdistributed-systemsmicroservicessaas
Nium, the Leader in Real-Time Global Payments 
 
Nium, the leading global infrastructure for real-time cross-border payments, was founded on the mission to deliver the global payments infrastructure of tomorrow, today. With the onset of the global economy, its payments infrastructure is shaping how banks, fintechs, and businesses everywhere collect, convert, and disburse funds instantly across borders. Its payout network supports 100 currencies and spans 190+ countries, 100 of which in real-time. Funds can be disbursed to accounts, wallets, and cards and collected locally in 40 markets. Nium's growing card issuance business is already available in 34 countries. Nium holds regulatory licenses and authorizations in more than 40 countries, enabling seamless onboarding, rapid integration, and compliance – independent of geography. The company is co-headquartered in San Francisco and Singapore.

About the Role

We’re building the next wave of remittance products and looking for a seasoned full-stack engineer who doesn’t just code, but shapes technical direction, leads by example, and elevates the team. If you care deeply about user experience, performance, clean architecture, and shipping with discipline — read on. 
  • You’ll lead delivery of high-impact, large-scale features and systems — from UI through backend, into production. 
  • You’ll define and evolve architecture: from UI/UX patterns using Next.js/React to backend services built in Java or Node.js. 
  • You’ll handle non-functional requirements: scalability, performance, security, maintainability (i.e., you’ll think long term, not just ship fast).  
  • You’ll mentor and guide while still being hands-on: influential in code reviews, designing modules, owning releases 
  • You’ll collaborate across teams (Product, UX, QA, DevOps) and help craft the roadmap: anticipate technical debt, drive build vs buy decisions, champion best practices. 
  • You’ll continuously raise the bar: propose new frameworks, tools, infrastructure improvements; help the team evolve. 
  • Experience & Impact 
  • 2-5 years (of full-stack software development with real ownership. 
  • Proven track record of delivering production systems (UI + backend + services) end-to-end. 
  • Comfortable leading technical design discussions, making trade-offs, and owning architecture decisions.  
  • Strong debugging/profile skills: you don’t just write code, you make it performant, reliable, and resilient. 

    • Technical Skills 
  • Frontend: Deep experience in React + Next.js (or equivalent SSR/SPA frameworks). 
  • Backend: Strong with Java (Spring Boot, microservices) and/or Node.js services. 
  • Databases: both relational (e.g., PostgreSQL/MySQL) and NoSQL (e.g., MongoDB/Redis) knowledge. 
  • Cloud/Infrastructure: Experience with AWS/Azure/GCP; knowledge of CI/CD, containerization, service orchestration. 
  • Distributed systems awareness: service-oriented architecture, API design, caching, scaling, reliability. 
  • Testing / Quality: Unit, integration, e2e, performance testing. You advocate for quality. 
  • Soft skills: Excellent communication (technical & non-technical), ability to mentor, influence, persuade, and simplify complexity 

    • Nice-to-Have 
  • Experience with TypeScript (especially on the frontend) and backend TypeScript/Node.js. 
  • Familiar with serverless architectures or edge computing. 
  • Built SaaS/B2B platforms, handled multi-tenant systems. 
  • Experience with UX/performance metrics and frontend optimizations (web vitals, bundle size, critical rendering path). 
  • Familiar with modern CI/CD pipelines, IaC (Terraform/CloudFormation), monitoring/tracing tools.  

    • Location & Eligibility

    Where is the job
    Mumbai
    On-site at the office
    Who can apply
    Same as job location
    Listed under
    Worldwide

    Listing Details

    Posted
    January 14, 2026
    First seen
    March 26, 2026
    Last seen
    May 10, 2026

    Posting Health

    Days active
    44
    Repost count
    0
    Trust Level
    31%
    Scored at
    May 10, 2026

    Signal breakdown

    freshnesssource trustcontent trustemployer trust
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    Nium
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    Nium is a global payments company enhancing cross-border financial solutions for businesses, aiming to simplify real-time money movement.

    Employees
    750
    Founded
    2014
    Domain
    nium.com
    Jobs
    View 75 jobs
    View company profile

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    NiumSr SDE - Full Stack
    Apply Now