System Analyst

R Systems logo

R Systems

View Salaries, Reviews, and more  

Job Summary


Salary
S$10,000 - S$11,000 / Monthly

Job Type
-

Seniority

Years of Experience
At least 10 years

Tech Stacks
JSON kafka Flow OAuth2 JWT OpenAPI API Swagger

Job Description

REQUIREMENT:

  • 7–12 years in payment systems analysis with experience in Corporate Internet Banking, Entitlement and pre-payment workflow or similar. 
  • Strong engineering/technical skills:
    o API design (REST/JSON, OpenAPI/Swagger) 
    o Microservices architecture 
    o State machine and sequence diagram modelling 
    o HA/DR and low-latency systems 
  • Experience integrating with AML, fraud, entitlements and ledger systems. 
  • Ability to reuse and extend existing platform components and code frameworks

RESPONSIBILITIES:

Technical Delivery & Systems Analysis 

  • Own Banking channel (infinity program and projects) requirements → solution design → integration → testing → rollout. 
  • Produce engineering-ready specifications: 
  • o API specs (REST/JSON), OpenAPI/Swagger definitions 
  • o Microservices interface contracts, event schemas, callback payloads 
  • o Sequence diagrams, state machines, mapping specs, error models 
  • Define end-to-end orchestration flows for: 
  • o Pre-Payment initiation, acceptance, expiry, rejection 
  • o Entitlement and Auth Matrix lifecycle events
  • o Template, Past Payment, Bene Master 
  • Specify robust pre-processing logic: Customer/account validation, Entitlement and authorisation checks, Funds availability, Limits, thresholds, duplicate suppression, Idempotency, retry and timeout handling


API & Microservices Architecture

  • Define API and microservices designs using existing components from previous builds: Payment initiation microservices, Validation & entitlement services, Fraud/AML adapters, Core banking and ledger integration patterns 
  • Reuse existing: API standards (naming conventions, response structures, error formats), Security models (OAuth2/JWT, mTLS, signature validation), Eventing patterns (Kafka topics, event schemas, DLQ handling), Common libraries for logging, telemetry, utility functions 
  • Ensure microservices follow engineering principles: Loose coupling, clear domain boundaries. Async event-driven integration where applicable, High availability and horizontal scalability, Observability (structured logs, metrics, tracing) 


User Journeys, Entitlements & Authorisation 

  • Define user journeys for: Pre-Payment Workflow like payment initiation, Beneficiary Master, Bulk Processing 
  • Align journeys with entitlements and auth rules: Per-transaction and daily limits o Maker-checker workflows for corporates, Channel-specific access rights
  •  Coordinate with channel teams to maintain parity across Mobile, Internet Banking, H2H and API Banking. 


Integration & Platform Engineering

  • Design integration between: Payment Hub / RFP Orchestrator, Payment gateway, Core banking, ledger, AML, fraud 
  • · Use existing microservices blueprints for: Error propagation and code mapping, Schema validation and transformation, Event lifecycle management, Callback patterns and async updates 


Testing, Deployment & Operational Readiness

  • Lead SIT/UAT/E2E test scenario design for: Corporate Internet Banking Channels, Entitlements, Auth matrix, Pre-payment flow like payment initiation, validation and submission, Timeouts, retries, negative tests 
  • Work with Engineering & Ops to ensure: Monitoring dashboards and alerts, Reconciliation and exception queues, Runbooks for replay, retry and operational fixes 
  • Support scheme certification and phased deployment. 


Interview Questions of System Analyst at R Systems

Currently, there aren't any interview questions for this role at R Systems shared by other job seekers.
View more interview questions of similar roles from other companies →
banner icon
Prepare For Your Interview in 1 Week?
Equip yourself with possible questions that interviewers might ask you, based on your work experience and job description.
Get Started!

Achieve your dream job with our top-notch tools!

Resume Checker Illustration

Resume Checker

Our free resume checker analyzes the job description and identifies important keywords and skills missing from your resume in just a minute!

Check Now
Interview Preparation Illustration

AI InterviewPrep

Utilizing advanced AI, our tool generates tailored interview questions based on your industry, role, and experience. Practice and receive feedback on your answers in real time!

Check Now
Resume Builder Illustration

Resume Builder

Let us show you the differences between a bad, good, and great resume, and guide you in building a resume that helps you stand out to employers, ensuring you land your next position faster!

Check Now