Mobile Backend Lead

Overview

We are seeking an experienced Mobile Backend Lead to architect, design, and lead the backend ecosystem powering enterprise-scale mobile banking applications. The ideal candidate will have strong expertise in backend architecture, banking-grade security, API platforms, microservices, cloud-native technologies, and high-availability distributed systems.

Job Description

This role requires hands-on technical leadership in building secure, scalable, resilient, and high-performance backend systems supporting digital banking and financial services platforms.

Key Responsibilities
 
Backend Architecture and Design
Design and lead scalable backend architectures for mobile banking applications
Define microservices architecture, domain boundaries, API standards, and integration patterns
Develop secure, reusable, and high-performance backend services
Establish architecture governance, coding standards, and engineering best practices
Drive backend modernization and cloud-native transformation initiatives
API and Mobile Backend Development
Design and develop RESTful APIs, GraphQL services, and Backend-for-Frontend (BFF) layers
Optimize APIs for mobile consumption, low latency, and high throughput
Implement API versioning, caching, throttling, retry, and resiliency strategies
Collaborate with mobile engineering teams for integration and performance optimization
Support real-time communication such as push notifications and WebSockets
Security and Compliance
Implement authentication and authorization using OAuth2, OpenID Connect, JWT, MFA, and RBAC
Ensure secure API communication, encryption, and secrets management
Implement API security controls:
API Gateway
Rate limiting
mTLS
Threat protection
WAF integration
Ensure compliance with PCI DSS, GDPR, PSD2, RBI guidelines, and OWASP API Top 10
Distributed Systems and Transaction Processing
Design highly available and fault-tolerant distributed systems
Implement reliable transaction processing with strong consistency
Define retry, reconciliation, compensation, and rollback strategies
Implement event-driven architecture using Kafka or similar
Support high-volume transaction systems with reliability and performance
Cloud and DevOps
Lead deployments on AWS, Azure, or GCP
Implement containerization using Docker and orchestration with Kubernetes
Build CI/CD pipelines using Jenkins, GitHub Actions, GitLab CI, or Azure DevOps
Implement Infrastructure as Code using Terraform or Helm
Drive DevSecOps best practices
Database and Performance Engineering
Design relational and NoSQL database architectures
Optimize indexing, partitioning, and replication
Implement caching using Redis or similar
Improve backend throughput, latency, and scalability
Monitoring and Observability
Define monitoring and observability standards
Implement logging, tracing, and transaction monitoring
Use tools such as Prometheus, Grafana, ELK, Datadog, and New Relic
Drive incident management and root cause analysis
Leadership and Stakeholder Management
Lead and mentor backend engineering teams
Collaborate with architecture, mobile, product, QA, DevOps, and security teams
Drive technical decisions and architecture reviews
Participate in planning and strategy discussions
Manage technical debt and continuous improvement
 
YOUR PROFILE
Required Skills and Qualifications
Technical Skills
10+ years backend experience, 5+ years in leadership or architecture
Expertise in:
Java / Spring Boot
Node.js / NestJS
.NET Core
Strong knowledge of:
Microservices
Distributed systems
API design
Event-driven architecture
Cloud-native development
Experience with:
Kafka or RabbitMQ
Redis
PostgreSQL, Oracle, MySQL
MongoDB, Cassandra, DynamoDB
Kubernetes and Docker
Banking Domain Experience
Experience in banking, fintech, or financial systems
Knowledge of:
Digital banking
Payments and transfers
Transaction processing
Fraud systems
Core banking integration
Familiarity with regulatory compliance
Security Expertise
Strong API and application security knowledge
Experience with:
OAuth2
OpenID Connect
JWT
MFA
API Gateway security
Encryption and secrets management
Secure coding
Preferred Qualifications
BFF architecture experience
CQRS and Event Sourcing
Service mesh (Istio)
Multi-region or disaster recovery architecture
Cloud certifications
Education
Bachelor’s or Master’s degree in Computer Science, Engineering, or related field

Nice to Have
AI-driven fraud detection
Open Banking and PSD2
Large digital ecosystems or super apps
Serverless architecture
Key Competencies
Backend Architecture
API Engineering
Security and Compliance
Distributed Systems
Cloud and DevOps
Performance Engineering
Leadership
Stakeholder Management
Problem Solving
Interview Focus Areas
Microservices and distributed architecture
API design
Banking security and compliance
Scalability and resiliency
Transaction processing
Cloud and DevOps
Observability
Leadership
Real-world backend scenarios

Skills & Requirements

Java, Spring Boot, Node.js, NestJS, .NET Core, Microservices, Distributed Systems, API Design, RESTful APIs, GraphQL, Backend-For-Frontend (BFF), Event-Driven Architecture, Kafka, RabbitMQ, WebSockets, OAuth2, OpenID Connect, JWT, Multi-Factor Authentication (MFA), Role-Based Access Control (RBAC), API Gateway, Rate Limiting, Mutual TLS (mTLS), Web Application Firewall (WAF), Encryption, Secrets Management, Secure Coding, PCI DSS, GDPR, PSD2, RBI Compliance, OWASP API Top 10, AWS, Azure, GCP, Docker, Kubernetes, Terraform, Helm, Jenkins, GitHub Actions, GitLab CI, Azure DevOps, DevSecOps, PostgreSQL, Oracle, MySQL, MongoDB, Cassandra, DynamoDB, Redis, Database Architecture, Query Optimization, Indexing, Partitioning, Replication, Caching, High Availability, Fault Tolerance, Transaction Processing, Reconciliation, Compensation Patterns, Rollback Strategies, Cloud-Native Development, Infrastructure As Code (IaC), Prometheus, Grafana, ELK Stack, Datadog, New Relic, Logging, Monitoring, Distributed Tracing, Observability, Incident Management, Root Cause Analysis, Digital Banking, Payments, Transfers, Fraud Detection Systems, Core Banking Integration, Open Banking, CQRS, Event Sourcing, Istio, Service Mesh, Disaster Recovery, Multi-Region Architecture, Serverless Architecture, AI-Driven Fraud Detection, Technical Leadership, Solution Architecture, Stakeholder Management, Performance Engineering, Scalability, Resiliency.

 
 
 

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