Job Title : API Developer
Location : Remote
Job Type : Contract
Responsibilities :
- Experienced Enterprise Architect with 17+ years experience in designing and delivering large-scale Enterprise
- Application integration and modernization solutions across Banking and Insurance domains.
- Proven expertise in API-led architecture, SOA, event-driven architectures, and agile integration methodologies, with
- strong knowledge of leading-edge technologies including MuleSoft, AWS Gateway, Azure API Management, Spring
- Boot, Node.js, API gateway(IBM APIConnect (APIC)) and Kafka.
- Deep expertise in cloud (AWS, Azure) across IaaS, PaaS, SaaS; supports cloud strategy and adoption
- Driving the architecture of serverless, microservices, and SOA-based applications
- Lead Architecture Review Board (ARB) and Enterprise Solution Review Board, ensuring compliance
- and consistency in solution designs.
- Proven in successful enablement of Enterprise platforms for large-scale Banks (Maybank) and Insurance (Etiqa)
- organizations across ASEAN and U.S. markets on tech stacks on REST, microservices.
- Extensive experiences on multiple Core banking(IBM Mainframe, SIBS, ICBA) systems integrations and protocols(MQ,
- CICS Bridge, CICS plex, Rest, VSAM), formats(Fixed width, CSV, JSON).
- Designed and implemented enterprise-wide API strategy and reusable service layers across 758 Applications and 32
- business platforms, accelerating time to market by 30%.
- Expertise in leading 60+ onsite and offshore teams across Asian (MY, SG, ID, HK, KH, PH), US Regions and providing
- robust and scalable application integration solutions and responsible for delivering solutions with faster time to
- market.
- Deep expertise in API-first design, cloud-native platforms enablement, and product-centric development, with
- strong command over API gateways, ESBs, and hybrid cloud(AWS,Azure) architectures.
- Enabled IBM API connect on hybrid cloud environments supporting ASEAN and US markets
- Designed and led an API aggregation layer in Spring Boot that unified 12 SoRs behind a single contract, cutting client
- calls by 65% and improving latency by 38%.
- Experienced in designed and driving full stack projects for customer onboarding platform using MEAN framework.
- Enabled multi-lingual customer screens across Maybank Group.
- Built Node.js BFF services to compose data from REST and Pub / Sub, adding idempotency keys and circuit breakers to
- reduce incident rate by 30%.
- Embracing customer experience with Omni-channel experience by enabling unified screen flow between mobile and
- web screen rendering using polyglot technologies like React, Angula.
- Instituted engineering rigor : coding standards, contract testing (Pact), API style guide, linting / static analysis,
- SLOs / SLIs, and runbooks, cutting MTTR from 90 25 minutes.
- Managed API Gateway proxy policies (OAuth2, spike arrest, quota, JWT verification) and developer portal onboarding,
- enabling 20+ partner apps with consistent SLAs.
- Implemented BDD with Cucumber; authored >
200 Gherkin scenarios tied to Cloud Build, lifting regression coverage
to 85% and shrinking UAT defects by 40%.Delivered over 500+ point-to-point integrations to reusable APIs, supporting microservices and scalable architecture.Delivered CDC platform with Event-Driven Architectures (EDA) to embrace customer experience with highresponsiveness and reduce cost and burden on source systems.Skilled in enterprise software integration, n-tier application architecture, and EAI design patterns using IBM ACE, MQSeries, and App Connect.Expertise in file transfer protocols (SFTP, AS2, FTP / S), B2B integration standards, and security (TLS, PGP).Embrace design with UML, which help to reduce 3X reduction in misunderstandings during design phase and 2Ximprovement in stakeholder engagement.Led Technology Operations, Risk, Governance, Audit Compliance, and Automation for the Integration domain, servingas the primary point of contact for internal and regulatory audits while driving operational maturity and vendorperformance.Experienced in security standards including SAML, OAuth, SSO, LDAP, WS-Security, and PKI, with hands-on knowledgeof IBM DataPower, ODM / ILOG Jrules, and API management platforms.Familiar with big data integration and scheduling technologies such as Kafka, and File transfers.Strong background in defining and monitoring SLAs, SLOs, and SLIs to ensure system health and reliability.Proficient with version control systems including GitHub, GitLab, IBM Urban and Bitbucket.Skills :
API DevelopmentModernizationMuleSoft, Microservice, Spring BootAPI Connect, API GatewaysAPI security (OAuth2, JWT)