Senior AWS Core Banking Transformation Engineer

7600 Accenture Pte Ltd Company; Singapore; On-site; SGD 140,000 - 230,000; Full time

Job summary

Accenture Singapore seeks a Senior AWS Engineer with deep banking domain expertise to modernize core banking systems and lead cloud-native transformations on AWS. You will build rapid prototypes, demos for client engagements, and integrate AI/data capabilities into core platforms.

Role requires strong hands-on AWS, Python coding, and experience delivering secure, scalable solutions in complex financial services environments.

Qualifications

• 8–15+ years experience in Banking technology / financial services IT
• Core banking systems (lending, payments, deposits, investments)
• Strong hands-on AWS experience: Cloud-native architecture and development
• Strong hands-on programming experience in Python (preferred)
• Demonstrated ability to build working demos / PoCs under time pressure; client-facing

Responsibilities

• Lead modernization of core banking systems, including: lending, credit, deposits, and investments
• Drive transformation approaches: Legacy → cloud-native; Monolith → microservices / event-driven
• Build end-to-end functional prototypes and demos on AWS for client engagements
• Architect cloud-native banking solutions with API-first integration and secure designs
• Work with AI/data capabilities: data lakes, ETL/ELT, ML models for credit scoring and fraud
• Lead architecture discussions, pre-sales and technical solutioning

Skills

Banking tech experience

Core banking systems

AWS Cloud

Tools

Python

Terraform

CloudFormation

CDK

SageMaker

Job description

Role Summary We are seeking a Senior AWS Engineer with deep expertise in core banking systems and transformation programs across lending, credit, deposits, and investment domains. This is a high-impact, client-facing, hands-on engineering role requiring the ability to: Design and deliver cloud-native banking solutions on AWS Build rapid prototypes and live demos for client engagements Integrate AI and data capabilities into core banking platforms The ideal candidate combines strong engineering depth, banking domain expertise, and the ability to translate ideas into working solutions quickly.

Key Responsibilities

1. Core Banking Transformation Lead modernization of core banking systems, including:
   • Lending / loan origination and servicing
   • Credit decisioning systems
   • Payments, deposits, and investment platforms
   Drive transformation approaches: Legacy → cloud-native (rehost, replatform, refactor) Monolith → microservices / event-driven architecture Translate business requirements into scalable, secure, production-ready architectures
2. Client-Facing Demo & Prototyping (Critical Requirement) Build end-to-end functional prototypes and demos on AWS to showcase solutions Rapidly convert client use cases into:
   • Working applications
   • API-driven services
   • AI/data-driven proof-of-value solutions
   Lead: Solution workshops Pre-sales discussions Live demo sessions with business and technology stakeholdersExpected capability: Build a working demo (e.g., AI-powered credit workflow or customer 360 solution) within short timelines
3. AWS Cloud Engineering (Hands-on Senior Level) Architecture & Design Design cloud-native banking architectures using:
   • Microservices and event-driven patterns
   • API-first integration models
   Ensure: High availability, scalability, and resiliency Security and regulatory compliance Core AWS Stack Compute: Lambda, ECS/EKS, EC2 Data: S3, Aurora/RDS, DynamoDB Integration: API Gateway, Step Functions, EventBridge Observability: CloudWatch and monitoring frameworks DevOps & Automation Infrastructure-as-Code (Terraform / CloudFormation / CDK) CI/CD pipelines and automated deployment Ability to stand up environments quickly for demos and delivery
4. AI & Data Capabilities in Banking (Strong Preference) Data Engineering Build and manage:
   • Data lakes (S3-based architectures)
   • ETL / ELT pipelines
   Work with banking data: Customer, transaction, credit, and risk datasets Machine Learning & Analytics Develop or integrate models for:
   • Credit scoring and underwriting
   • Fraud detection / AML
   • Customer segmentation and personalization
   • GenAI & Modern AI Implement: RAG-based solutions (e.g., document processing, KYC) AI assistants for banking users Experience with: AWS Bedrock / SageMaker / equivalent LLM orchestration and vector search Real-Time Decisioning Build event-driven pipelines supporting: Real-time credit approvals Fraud detection and alerts
5. Client Engagement & Thought Leadership Act as a trusted technical advisor to financial services clients Lead: Architecture discussions Solution design workshops Pre-sales and technical solutioning Communicate the value of: Core banking modernization Cloud + AI transformation Bridge business, data, and technology stakeholders effectively

Required Qualifications

• 8–15+ years experience in Banking technology / financial services IT Core banking systems (lending, payments, deposits, investments)
• Proven experience delivering: Core banking modernization or migration programs Large-scale transformation initiatives
• Strong hands-on AWS experience: Cloud-native architecture and development Microservices / distributed systems
• Strong hands-on programming experience in Python (preferred), with the ability to build cloud-native applications, data pipelines, and rapid client-facing prototypes
• Demonstrated ability to: Build working demos / PoCs under time pressure Operate effectively in client-facing roles

Preferred Qualifications

• Experience with core banking platforms: Temenos, Mambu, Finacle, FLEXCUBE, nCino
• Proven AI / Data experience in banking: Data engineering and analytics platforms ML / GenAI use cases integrated into business workflows
• Experience with: Event-driven architecture API-first ecosystems Domain-driven design (DDD) AWS Certifications (Associate / Professional)

Profile

We Are Targeting Hands-on builder (not a pure architect or program manager) Able to design, build, and demo solutions live to clients Strong banking domain credibility Bridges cloud + core banking + AI/data Comfortable in pre-sales + delivery hybrid environments

About Accenture

Accenture is a leading global professional services company that helps the world’s leading businesses, governments and other organizations build their digital core, optimize their operations, accelerate revenue growth and enhance citizen services—creating tangible value at speed and scale. We are a talent- and innovation-led company with approximately 791,000 people serving clients in more than 120 countries. Technology is at the core of change today, and we are one of the world’s leaders in helping drive that change, with strong ecosystem relationships. We combine our strength in technology and leadership in cloud, data and AI with unmatched industry experience, functional expertise and global delivery capability. Our broad range of services, solutions and assets across Strategy & Consulting, Technology, Operations, Industry X and Song, together with our culture of shared success and commitment to creating 360° value, enable us to help our clients reinvent and build trusted, lasting relationships. We measure our success by the 360° value we create for our clients, each other, our shareholders, partners and communities. Visit us at www.accenture.com

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