04/22/2026 updated

NP
100 % available

Senior Integration Architect & Enterprise Application Developer

Livingston, United Kingdom
Only remote
Master's Degree
Livingston, United Kingdom
Only remote
Master's Degree

Profile attachments

NareshKumarP.docx

Java (Programming Language)Bash ShellC ShellC++ (Programming Language)IBM WebSphere DataPower SOA AppliancesDB2 SQLEclipse (Software)GitHubIBM WebSphere MQIBM Rational Application DeveloperIBM Rational ClearquestIBM Websphere Application ServerIBM WebSphere Message BrokerIBM WebSphere Process ServerIntegration Platform As A Service (IPaaS)JSONJava API For RESTful Web Services (JAX-RS)Python (Programming Language)AnsibleSwaggerSAP ABAPShell ScriptSimple Object Access Protocol (SOAP)SQL DatabasesSystems IntegrationTortoiseSVNEnterprise Application IntegrationXml FilesBoomiSwift (Programming Language)TeamsiteHudson SoftwareRestful ApiIbm Integration BusJenkins
Enterprise Application Integration
Extensive expertise in designing and implementing B2B and business integration systems using IBM MQ, ACE, MQFTE, and various EAI tools across multiple platforms and environments.

Cloud Architecture and DevOps
Comprehensive experience in cloud platforms including AWS and Azure, with strong capabilities in CI/CD pipeline implementation, automated testing frameworks, and modern software engineering practices.

Database and Web Technologies
Proficient in Oracle, SQL Server, MySQL databases and web technologies including HTML, XML, XSLT, REST, SOAP, and various web servers and application servers.

Programming Languages
Strong command of C, C++, PHP, ASP, JSP, Visual Basic, JavaScript, JAVA, SQL, MySQL, Shell Scripting, Ant, Ansible, Python, and NodeJS.

Enterprise Resource Management
Experience with SAP R/3, ABAP, IDOC, ALE, BAPI, EDI, SMART FORMS, and REPORTS for enterprise resource planning solutions.

Development Methodologies
Proficient in Waterfall, Agile, Scrum, Kanban, and Iterative development approaches for project management and delivery.

Quality Control and Testing
Experience with HP Quality Centre, JIRA, IBM Clear Quest, Qtest for quality assurance and testing processes.

Build and Deployment Tools
Skilled in JUnit, Jenkins, Hudson, SoapUI, Ant, Rapid Deploy, Teamsite, Gandalf, and Webstager for automated build and deployment processes.

Experience

Professional experience10+ years
Freelancer since2012

Languages

EnglishNative speaker

Project history

Boomi Senior Developer

Scottish Government (SG) – Social Security Directorate
  1. Designed modular and reusable components (process routes, subprocesses like getting DWP Token call, SPM Token Call, OutSystems Token Call which are used across multiple benefit boomi process within SG).
  2. Designed & developed end to end Integration using Boomi process to get Citizen Information details when called from Digital Portal or Out systems for retrieving application details.
  3. Developed and exposed REST/SOAP APIs using Boomi API Management.
  4. Worked extensively with XML, JSON, flat files, and fixed length files. Implemented data transformation logic using Map components, including cross-reference tables and custom scripting. Integrated Other UK Government APIs and handled JSON/XML payload transformations.
  5. Deployed integrations across DEV, TEST, and PROD environments. Management of SG Boomi Environments after monthly AWS Patching.
  6. Collaborated with business analysts and stakeholders to gather integration requirements. Worked in Agile/Scrum teams with sprint-based delivery.
  7. As part of my second term at Social Security, I was assigned the task of reviewing each Boomi process and identifying potential improvements.
  8. Done a POC of Apache NiFi to evaluate alternative platforms to Boomi.

Projects: Winter Heating Payments, Right to Public Funds, Update Person Indicators – Outsystems, MI Data for Public Protection, SPM, Document Management (Kofax, mFiles) SAP Systems etc.,
Technical Environment:
Boomi, SFTP Plus, AWS, terraform, Github, BitBucket, Atlassian, Confluence, etc.,


EAI Lead Developer

Standard Chartered Bank(SCB), Malaysia
Worked on ISIS Middleware Payment Hub, INFOATWORK, UPGRADE3 (Migration from MQSI2.1 to WBIMB) projects.

EAI Lead Developer

SKANDIA, UK
Worked on Document Archive project.

Senior EAI Developer

BOEING, USA
Worked on FTCS-BIDS Interface project.

Senior EAI Developer

CITIBANK, USA
Worked on Student Loan Compensation(SLC) project.

ABAP/4 Developer

The Timken Company, Precision Steel Components (PSC), OH USA
ABAP/4 development role for precision steel components.

Integration ACE Consultant

Bank of England
  1. Led the modernisation of the integration platform, migrating from legacy IBM WTX to IBM ACE v12, aligned with risk reduction and operational resilience objectives.
  2. Designed and implemented distributed, event-driven integration architectures using IBM MQ, ACE v12, and MQFTE, aligned with microservices and API-first principles.
  3. Produced architecture artefacts using structured modelling approaches (C4-style views, data flow diagrams, and sequence diagrams) to support design clarity and governance.
  4. Engineered secure and resilient messaging solutions, incorporating authentication, encryption, and high-availability patterns across environments.
  5. Delivered complex financial integrations (SWIFT messaging and core banking integrations), ensuring interoperability across heterogeneous systems.
  6. Established CI/CD pipelines using Azure DevOps and GitHub, enabling automated deployments and supporting modern software engineering practices.
  7. Led production support, incident management, and root cause analysis, improving observability, monitoring, and system reliability.
  8. Designed and implemented message flows, message sets, and MQFTE monitors for secure and reliable file transfers.
  9. Delivered complex financial integrations including SWIFT messaging ((MT204, 300, 320, 518, 527, 537, 540, 541, 542, 543, 900, 910) to Openlink/Megara/NIPS, SAA to T24 Status reports, T24 to IMIS Closure of Business Files etc

Integration ACE Consultant

TataSteel Limited
  1. Designed and delivered enterprise integration solutions across UKHUB and NLHUB, using IBM MQ, IIB, ACE12, DataPower, and Azure.
  2. Led large-scale platform migrations (IIB9/WMB6 to ACE12), including re-architecture toward modern, loosely coupled systems.
  3. Developed architecture documentation using structured modelling techniques (C4, UML, integration flows) to ensure governance and long-term maintainability.
  4. Implemented CI/CD pipelines and automated testing frameworks (JUnit, Azure DevOps), embedding TDD and DevOps practices.
  5. Designed secure integration patterns, incorporating authentication, message validation, and performance optimisation.
  6. Led major platform migrations (IIB9 and WMB6 to ACE12), including architecture design, code refactoring, and deployment to new infrastructure.
  7. Produced High-Level and Low-Level Integration Design documents, supporting governance, assurance, and long-term maintainability.
  8. Worked closely with Business Analysts and Enterprise Architects to analyse BAU services, define requirements, and ensure architectural alignment.

Technical Environment:
IBM MQ, IIB v9, ACE v12, WMBv6, Datapower XI52, SVN, Sparx, Atlassian, Confluence, Azure etc.,

Integration Consultant/ Boomi Developer

Scottish Government – Social Security Directorate
  1. Led market analysis, SWOT assessments, Statements of Requirement, product selection, and Proof of Concept activities to select a strategic iPaaS platform, evaluating MuleSoft, SnapLogic, IBM API/App Connect, Boomi, Jitterbit, Informatica, and Workato on AWS.
  2. Designed and implemented a secure, scalable, open EiPaaS architecture (Dell Boomi) on Scottish Government AWS, supporting long-term service evolution and reuse across the product estate.
  3. Produced architectural documentation (HLDs, LLDs, Integration designs using C4, UML, ArchiMate, and data flow diagrams) suitable for Social Security Scotland for governance and stakeholder alignment.
  4. Designed API-led and hybrid integration patterns aligned to cloud-first strategies, leveraging Boomi Atom/Molecule runtimes integrated with Amazon Web Services environments.
  5. Designed API management and governance models including OAuth2, rate limiting, environment segregation (Dev/Test/Prod), CI/CD integration, and role-based access controls for External/Internal SG Customers.
  6. Supported BAU, production support, defect resolution, test support, deployment, and continuous improvement activities across Live services.
  7. Designed and Delivered Boomi Process for various benefit programs involving REST Webservices Request/Response, File Based Processing, Event Driven, Database interactions, AWS SQS/SNS/S3 Integrations, Interactions with UK Government Agencies etc.

Technical Consultant

CLYDESDALE & YORKSHIRE BANK
Projects: IIB10 Production Support, Clydesdale B App, IBSales, Loans Digitalization, GDPR, Mortgages, IIB10 Migration, Credit and Sales Application, Account Opening , Faster Payments etc,
Technical Environment:
Windows 7, AIX, IBM MQ 7.0, WMB 7.0, WTX 7.0 IIB10, IBM DataPower(Xi50, xi25), Altova Enterprise Edition, Rational Team Concert, Github, BitBucket, Atlassian, Confluence, etc.,

Integration SME

LLOYDS TSB BANKING GROUP
Projects: Debit Card Funding, Industry Account Switching, Spending Rewards, TSB Separation, Simplified International Payments, Mobile NFC, SEPA, FATCA, E2Vault Integration, Enterprise Content Management etc.,
Technical Environment:
Windows XP, AIX, IBM MQ 7.0, WMB 7.0, IBM DataPower(Xi50, xi25), IFW Service Modeling, etc.,

Integration Architect /Service Designer

BRITISH SKY BROADCASTING LIMITED -BSkyB
Projects: Lomond, Order Handling, Oogway, SIMProvide, Transcom, Hurricane, Semaphone, MQ Improvements, etc,
Technical Environment:
Windows 7, AIX, IBM MQ 6.0, WMB 6.0, WPS 6.0, WAS 6.0, RAD 7.0, etc.,

Systems Designer

Lloyds TSB, Location : Andover, UK
Projects : Straight Through Processing - STP (Payments Platform), Lloyds Banking Group Integration Program (One Bank), Faster Payments Filters,Support and Business Reconciliation etc.,
Technical Environment: IBM WBIMB, IBM WMQ, Rational Rose, Java, WAS, DB2 v8.1,Clear Case ,Shell scripting, Rational , Perl, AIX etc.,

Integration Consultant

Cognizant Technology Solutions(CTS) Ltd. UK
Client: British Sky Broadcasting,
Projects: Usage Management and Billing (UMB Project), McAfee Integration Project, Osprey Project
Technical Environment:
Windows XP, AIX, IBM MQ 6.0, WMB 6.0, WPS 6.0, WAS 6.0, RAD 7.0, Websphere Portal Server 6.1

Role: Technical Consultant
Client: JPMorgan Chase- Investment Management, WorldWide Security Services, UK.
Technical Environment:
Windows 2000 Server, AIX, AS400, Mainframes, VMS, , IBM MQ 6.0, WBI MB 6.0,


EAI Architect/Technical Lead

HCL Technologies Limited
Client: Halifax Bank of Scotland (HBOS), Projects: Faster Payment Systems (FPS), UK, etc
Technical Environment:
IBM WMQ 6.0, WMB6.0, AIX, Oracle 8, Websphere 6.0, Mainframes
Role: EAI Lead Developer
Client: Standard Chartered Bank(SCB), MalaysiaProjects : ISIS Middleware Payment Hub , INFOATWORK, UPGRADE3 (Migration from MQSI2.1 to WBIMB ) etc.,
Technical Environment:
Windows 2000 Server, AIX, Oracle8.1, IBM MQ 5.3, MQSI, WBIMB, JDK 1.3.1, Websphere 5.0, JMS, Mainframes, SQL Server, Java, C, C++, LINUX, PC / Windows NT/2000/XP, Flux, etc.,

Role: EAI Lead Developer
Client: SKANDIA, UKProject : Document Archive
Technical Environment:
iSeries, IBM MQSERIES 5.3, Windows 2000 Server , Java, VB 6.0, PC / Windows NT/2000/XP, THUNDERHEAD
Role: Senior EAI Developer
Client: BOEING, USA
Project : FTCS-BIDS Interface,
Technical Environment:
Mainframes, IBM MQSERIES 5.3, SQL Server, Java, C, C++, LINUX, PC / Windows NT/2000/XP, Flux, Websphere 5.0,, JMS

Role: Senior EAI Developer
Client: CITIBANK, USA
Project: Student Loan Compensation(SLC)
Technical Environment:
Mainframes, IBM MQSERIES 5.3, SQL Server, Visual Basic, AIX / UNIX, PC / Windows NT/2000/XP


B2B Developer

SS Information Systems Pvt Ltd, Visakhapatnam AP
Role: B2B Developer
Client: Premera Health Care, WA - USA
Project : PREMERA CHOICE FUND (PCF) 2.1, Claims Data Load
Technical Environment:
IBM WMQI V2.1, IBM MQSERIES 5.3, DB2, SAP R/3 4.6

Role: ABAP/4 Developer
Client: The Timken Company, Precision Steel Components (PSC), OH USA
Technical Environment:
SAP R/3 4.6, IDOC, ALE, BAPI, EDI, REPORTS, ALV, SMARTFORMS, SAP SCRIPTS.


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