Job Information
Cognizant Senior Developer in London,UK, United Kingdom
We are seeking an experienced onshore Senior Developer with strong expertise in Ab Initio, Data Fabric architecture, Oracle, SQL Server, and enterprise data platforms. The role requires hands-on technical leadership, solution design capability, and close collaboration with business and offshore teams to deliver scalable, high-performance data solutions.
The ideal candidate will act as a technical lead, owning end-to-end data integration and transformation solutions while mentoring team members and engaging with stakeholders.
Key Responsibilities
Technical Leadership
Lead design and development of Ab Initio-based data integration solutions across large-scale enterprise environments
Architect and implement Data Fabric / Data Integration frameworks to support analytics, reporting, and downstream systems
Own end-to-end delivery of data pipelines including ingestion, transformation, validation, and reconciliation
Perform code reviews, enforce best practices, and ensure high-quality deliverables
Development & Engineering
Develop and optimize Ab Initio graphs, plans, metadata hub, and scheduling components
Design and tune complex SQL queries, stored procedures, and data models using Oracle and SQL Server
Ensure performance optimization, data quality, and scalability of ETL processes
Handle data volumes in batch and near–real-time processing environments
Stakeholder & Delivery Management
Act as onshore point of contact for client discussions, requirement clarification, and solution walkthroughs
Translate business requirements into technical designs and functional specifications
Coordinate with offshore development teams for build, testing, and deployment activities
Support UAT, production releases, and post-go-live stabilization
Governance & Best Practices
Ensure adherence to data governance, security, and compliance standards
Define and implement logging, auditing, error handling, and monitoring frameworks
Contribute to architecture standards, reusable components, and accelerators
Required Skills & Qualifications
Core Technical Skills
Strong hands-on expertise in Ab Initio (GDE, Co>Operating System, Metadata Hub)
Solid understanding of Data Fabric concepts, data integration patterns, and enterprise data architecture
Advanced SQL expertise with Oracle and SQL Server
Experience with performance tuning, partitioning, and large data volumes
Additional Technical Skills (Preferred)
Experience with cloud platforms (AWS, Azure, or GCP)
Exposure to data warehousing, data lakes, and analytics platforms
Knowledge of scheduling tools, CI/CD pipelines, and DevOps practices
Familiarity with data quality and reconciliation frameworks
Leadership & Soft Skills
Proven experience as a Lead Developer or Technical Lead
Strong communication skills with ability to engage business and technical stakeholders
Experience working in onshore–offshore delivery models
Ability to mentor junior developers and drive technical excellence
Education
Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field
Why Join Us
Opportunity to lead high-impact enterprise data initiatives
Onshore, client-facing role with strong ownership and visibility
Collaborative environment with modern data platforms and architecture
Clear growth path into Solution Architect or Data Engineering leadership roles
Cognizant is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.