Detailed Description

1. API Design and Development (Architecture & Specs)
Design & Modelling: Design enterprise-level RESTful and SOAP APIs using OpenAPI specifications (Swagger) and RAML, ensuring strict adherence to microservices architecture principles.

Implementation: Build, configure, and publish complex APIs and loopback applications within the IBM API Connect ecosystem.

Custom Policies: Develop advanced custom policies and gateways utilizing DataPower Extension routing, User-Defined Policies (UDP), and custom JavaScript/GatewayScript.

2. Integration & Gateway Management (IBM DataPower)
Gateway Configuration: Configure and maintain IBM DataPower Gateways (IDG) to handle traffic routing, throttling, message transformation (XSLT, JSON-to-XML), and payload validation.

Backend Orchestration: Integrate APIs seamlessly with back-end enterprise systems including Databases (SQL/NoSQL), and legacy SOAP web services.

3. API Security & Governance
Security Enforcement: Implement robust API security policies including OAuth 2.0, JWT, Mutual TLS (mTLS), SAML, and custom client authentication certificates.

Governance & Lifecycle: Manage the end-to-end API lifecycle (Drafting, Publishing, Deprecating, and Retiring) and enforce API product management principles, including rate limiting and monetization plans.

4. DevOps, Deployment & Operations
CI/CD Automation: Build and optimize continuous integration and deployment pipelines for APIC artifacts using tools like Jenkins, GitLab CI/CD, Ansible, and APIC toolkits/CLI.

Cloud Architecture: Deploy and manage APIC instances deployed on containerized environments (Kubernetes, Red Hat OpenShift, Cloud Pak for Integration) or public cloud infra (AWS/Azure).

Monitoring & Analytics: Configure APIC Developer Portals and Analytics to monitor API performance, error tracking, usage metrics, and optimize payload caching.

Knowledge/Skills/Competencies

Must-Have Technical Skills:
Primary Tooling:

- Minimum 4+ years of dedicated, hands-on experience specifically working with IBM API Connect (including migrating or working with V10) and IBM DataPower Gateways.
- Security Protocols : Mastery of API security standards (OAuth2, mTLS, SSL, WS-Security).
- Coding & Transformation: Proficient in GatewayScript,



JavaScript, XSLT, XPath, and XML/JSON transformations.
- API Specs: High proficiency in writing clean OpenAPI 2.0/3.0 (YAML/JSON) specifications.
- Protocols: Deep understanding of REST, SOAP, HTTP/S, WebSockets, JMS.

Nice-to-Have / Preferred Skills:

- Hands-on experience with alternative API management tools (SAP PO, SAP CPI) for hybrid environments.
- Relevant IBM Certifications (e.g., IBM Certified Solution Developer - API Connect).

Soft skill & Leadership requirements:

- Problem-Solving: Proven ability to troubleshoot highly complex architectural, connectivity, and performance issues across distributed networks.
- Mentorship: Experience acting as a project Tech Lead, reviewing code for junior developers, and setting development standards.
- Communication: Exceptional verbal and written communication skills, with the ability to articulate technical integration concepts to non-technical stakeholders or product managers.

Physical Demands

- Duties of this position are performed in a normal office environment.
- Duties may require extended periods of sitting and sustained visual concentration on a computer monitor or on numbers and other detailed data. Repetitive manual movements (e.g., data entry, using a computer mouse, using a calculator, etc.) are frequently required.

Typical Experience

- 5 to 10 years Experience in similar roles

Typical Education

- Bachelor Degreeor consideration of an equivalent combination of education and experience.

- Educational Requirements may vary by Geography

Notes

This job description is not intended to be an exhaustive list of all duties and responsibilities of the position. Employees are held accountable for all duties of the job. Job duties and the % of time identified for any function are subject to change at any time.

Celestica, Inc. (NYSE: CLS TSX: CLS)



is a technology leader dedicated to driving customer success and market advancements. With deep expertise in design, engineering, manufacturing, supply chain, and platform solutions, Celestica enables critical data center infrastructure for AI, cloud, and hybrid cloud and advances technologies in high-growth markets. With a talented team and a strategic global network, Celestica helps its customers achieve competitive advantages.

Today, Celestica delivers innovative supply chain solutions globally to customers in strategic two operating and reporting segments: Advanced Technology Solutions (ATS) and Connectivity and Cloud Solutions (CC):

ATS: This segment serves customers in complex, regulated and high-reliability markets such as Industrial & Smart Energy, Aerospace & Defense, Semiconductor Capital Equipment, and HealthTech. It is engineering led, with deep expertise in design, manufacturing and lifecycle solutions.

CCS: This segment focuses on high-performance technology solutions and services for the data center, serving hyperscalers, digital native customers and enterprises. Celestica's Platform Solutions offering provides innovative and customizable computing, storage and networking solutions enabling AI-driven growth.

Built on a legacy of trust and performance, Celestica has earned its reputation by delivering results in complex and rapid-changing markets. Celestica exceeds customer expectations by identifying trends and staying ahead of the curve. Backed by comprehensive capabilities and a global network across North America, Europe and Asia, Celestica helps customers gain competitive advantage with the quality, flexibility and resiliency they need to respond quickly to shifts in demand. Guided by a bold vision to accelerate market advancements, Celestica delivers innovative solutions and technologies that turn complexity into opportunity. Anchored in teamwork and commitment, Celestica strives to be the most trusted partner to its customers and colleagues worldwide.

Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.

📌 IBM APIC Developer (Tamil Nadu)
🏢 Celestica
📍 Tamil Nadu