System Analyst API Designer

Manila - Philippines

Monthly Salary: Not Disclosed

Posted on: 16 hours ago

Vacancies: 1 Vacancy

Job Summary

Job Description: API Designer (Banking Domain)

Location: Philippines (Full Onsite)
Role Type: Full Time
Experience Level: Senior
Department: Enterprise Architecture / Digital Channels / Integration Services

About the Role

We are seeking a highly skilled API Designer to join our enterprise architecture and digital integration team. This role is critical in shaping the banks APIfirst strategy and enabling seamless connectivity across channels microservices legacy systems and partner ecosystems.

You will work closely with product owners domain architects backend engineers and integration specialists to design enterprisegrade APIs domainaligned service contracts and modern integration patterns that follow BIAN cloudnative and financialindustry standards.

This position is ideal for professionals with strong experience in financial systems legacytomodern modernization domaindriven API design and translating business requirements into highquality API specifications.

Key Responsibilities

API Design & Governance

Design clear reusable and versioned REST APIs for internal services channels and external partners.
Produce API contracts using OpenAPI/Swagger including:

endpoint definitions
domain models
sequence diagrams
integration flows

Define standards for naming versioning pagination error handling idempotency and backward compatibility.
Ensure all APIs comply with security governance and regulatory requirements (e.g. PCI/PII data masking).

Domain & Requirements Analysis

Work with business units and product teams to refine requirements and define domain boundaries.
Map capabilities to BIAN service domains and design modular domainaligned APIs.
Break business processes into stable domain models and service contracts.
Produce functional/technical specifications that guide development teams.

Integration & System Analysis

Design APIs that interface with:

Core banking systems
Legacy systems (SOAP/REST/JDBC mainframe gateways)
Middleware and API Gateways
Event-driven architectures (Kafka/SQS/EventBridge)

Support modernization using patterns such as:

AntiCorruption Layer (ACL)
Strangler Fig
Domain decomposition
Service migration

Provide guidance on:

sync vs. async design
caching strategies
payload modeling
error/compensation flows

Documentation & Collaboration

Create highquality technical design docs API catalogs and sequence/flow diagrams.
Collaborate with QA DevOps SRE and development teams to ensure API consistency and readiness.
Participate in architecture review boards sprint grooming and solution design workshops.

Qualifications

Must Have

5 years experience as API Designer Business Analyst Systems Analyst or Integration Analyst in financial systems.
Strong ability to turn business requirements into technical API specifications.
Proven experience in:

REST API design
JSON schema design
OpenAPI/Swagger
System integration & domain modeling

Experience in banking fintech payments or enterprise-scale financial systems.

Technical Competencies

API & Integration Technologies

REST API standards API modeling OpenAPI 3.x
API Gateways such as:

Apigee Kong WSO2 Mulesoft or equivalent

Message-driven integration using:

Kafka MSK RabbitMQ SQS or EventBridge

Legacy Integration

SOAP/WSDL XML/XSD JAXWS
JDBC/database integration with legacy core systems
Experience designing ACL (AntiCorruption Layer) patterns

Architecture & Patterns

BIAN domains service landscape mapping
Microservices architecture (Spring Boot preferred)
Event-driven patterns:

CQRS
Outbox pattern
Saga Pattern (orchestration/choreography)
Chained Services & event sourcing

Security & Compliance

OAuth2 JWT HMAC signatures mTLS
API rate limiting throttling quota management
PCI/PII-safe payload design and data masking

Tooling

Postman / Insomnia
SwaggerHub / Stoplight / Redocly
Confluence Jira Lucidchart /
Git/GitLab for design versioning

Soft Skills

Excellent analytical and communication skills
Strong documentation habits
Ability to lead discussions with business architects and engineering teams
Comfortable working in Agile teams with fast-paced delivery cycles

Nice to Have

Experience in:

Payments settlements lending core banking
ODS caching (Redis/DynamoDB)
Event choreography and distributed systems
Designing APIs for partner onboarding and external ecosystems

Certifications:

BIAN Practitioner
Business Analysis
API Design
Cloud platforms (AWS Azure GCP)

Job Description

Application Developers develop test and integrate applications frameworks and tools in a controlled environment. With expertise in a specific technology environment they are responsible for software-specific design and realization as well as testing deployment and release management or technical application management of client-specific package based solutions.

Job Description - Grade Specific

Able to manage a large team and manage customer escalations. You have a leading role in projects with strong client exposure. You are responsible for technical guidance over the whole project or application lifecycle. Able to participate in bids and proposals. Able to manage the project financials. Able to provide integration solutions. Able to manage multiple products under portfolio.

Required Experience:

Job Description: API Designer (Banking Domain)Location: Philippines (Full Onsite)Role Type: Full TimeExperience Level: SeniorDepartment: Enterprise Architecture / Digital Channels / Integration ServicesAbout the RoleWe are seeking a highly skilled API Designer to join our enterprise architecture and...