Ivan Bayu Herlambang

Industry: Financial/Insurance.

Position Level: Senior Manager (interim).

Technology: SoftwareAG APIGateway & webMethods, Confluent Kafka, Nginx+, Docker Swarm, Dynatrace

• Led team of DevOps, Middleware, Application Monitoring engineers, providing technical leadership, and mentoring to drive continuous improvement and innovation in application delivery and maintenance.
• Supervised users meetings to disseminate proper information and encourage participants to share ideas
• Implemented DevOps methodologies and tools, including Bitbucket, Jenkins, Docker Swarm, resulting in 40% reduction in deployment time and reduction in production incidents.
• Established automated monitoring and alerting processes using Dynatrace, and Ansible deployment, reducing incident response time and improving system availability.
• Collaborated with infrastructure teams to design and implement scalable, reliable, and secure infrastructure solutions on cloud and on-premises.
• Collaborate with different groups of projects lead by Enterprise Architect, Business Analyst, System Analyst or Project Manager.
• Developed and maintained documentation for processes, procedures, and configurations.
• Monitoring, SRE, Bug fixing, lag, or inefficient service in existing production environment.

PROJECTS:

Migrate Docker Swarm to AKS

Period: Dec 2022 - Sep 2023

Technology: Azure Kubernetes Service.

• Project's initiated by cloud migration, as lead of project's responsible for planning, capacity measurements, migration methods.
• Initiation Subscription of Azure VM, Subscription of AKS
• Configuration. reconfigure Bitbucket (code repo) to be deployed to AKS instead to Docker Swarm environments.

Migrate Dynatrace On-Prem to Dynatrace SaaS

Period: Dec 2022 - Jul 2023

Technology: Dynatrace SaaS

• Project's initiated by cloud migration, as lead of project's responsible for planning, capacity measurements, migration methods.
• Re-Install new Dynatrace Agent from each client nodes & VM instances (Dev, UAT, PROD).
• Backup existing configuration & logs (data logs).
• Remove current installation version.
• Install new version from new repo with automation with Ansible.
• Reconfigure old configuration & data logs of Dynatrace agents in each nodes & VM agents to new endpoints SaaS with automation with Ansible.

Migrate MongoDB On-Prem to MongoDB Atlas (SaaS)

Period: Dec 2022 - Jul 2023

Technology: MongoDB Atlas (SaaS).

• Project's initiated by cloud migration, as lead of project's responsible for planning, capacity measurements, migration methods.
• Installation, backup existing configuration & Collections (Database).
• Setup new subscription in MongoDB Atlas.
• Re-Configure endpoints towards old configuration from each client side to SaaS endpoints.
• Migration Database & Collection from on-premises to SaaS using Live-Migration.

Industry: Financial/Insurance.

Position Level: Manager.

Technology: SoftwareAG APIGateway & webMethods, Confluent Platform, NGINX+.

• Implemented new applications, features and enhancements to existing applications.
• Manage TLS/SSL in comprise of: Purchase/Budgeting TLS/SSL, Generate each FQDN's private keys & CSR, Manage public & certs of each FQDN, Yearly renewal.
• Maximized system availability through development and testing of contingency plans.
• Manage topics/queue in Kafka requested by Business Analyst or Developer as new business requirements.
• Manage (promote/demote) new/expired APIs endpoint.
• Analyzed network traffic and performance metrics to optimize system performance.
• Tuning for goldilocks performance, if necessary, i.e. JVM, Garbage collector, request retries count, max thread, thread lifecycle on designated platform.
• Devised scripts and automation tools to improve system efficiency.
• Setup & configure reverse proxy endpoint to any clustered application which requires load balancing or reverse‐proxy from DMZ.
• Controlling CVE and EOL on middleware platform (API-Gateway, ESB, Kafka).

PROJECTS:

Upgrade Confluent Platform 5.4.0 to 7.0.1

Period: Nov 2021 – Feb 2022

Technology: Confluent Platform

• Hands-on activity for upgrade.
• Install new repo to each VM instances (Dev, UAT, PROD).
• Backup existing configuration & logs (data logs).
• Remove current installation version.
• Install new version from new repo.
• Configure new installation towards old configuration & data logs.
• Tuning Smoke/performance testing.
• Try new performance settings for memory management, garbage collection timing and strategy.
• Post upgrade support are available to next 2 years.

Halley

Period: Mar 2020 – Mar 2022

Technology: Bash Script, Azure Blob

• Project's goal is to create file transfer to Azure Blob Storage, objective is to be able to automatically upload financial record (file) by shell script.
• Develop bash script to: Compress financial file (gzip), deliver compressed financial file to Head Office Group via Azure cloud by azcopy program (Linux). Register bash script into crontab job, for automatic run.
• Maintenance: Configure scheduler run job, rotate logging of script activities.
• Post implementation, files were able to be uploaded periodically based on file polling of each functions.

Upgrade SoftwareAG webMethods 9.12 to 10.5

Period: Mar 2020 – Jun 2020

Technology: SoftwareAG webMethods.

• Hands-on activity for upgrade. Install, patches fix, configure JVM memory, ulimit, TaskMax (linux), systemd.
• Upgrade and migration of assets: Migration of existing services to new upgraded environment, Perform install & configure related activities.
• Verify and sanity check after migration. Monitor sanity/health‐check of all SOA support systems (Servers, Dependencies, Libraries, Threads, Memory, CPU usages).
• Tuning for goldilocks performance, if necessary, i.e. JVM, Garbage collector, request retries count, max thread, thread lifecycle.
• Provide performance of ESB, JMS, Cache at maximum point.
• Maintenance of services (SOA): Bug fixing, refactoring code on inefficient service which processing too long in existing production environment.
• Support is available for next 2 years, and maintenance/upgrade plan is expected to be available recurrently. This achievement was done internally without support from principal, and saved estimated budget of 1.5 billion rupiah.

Upgrade Nginx OSS to Nginx+

Period: Mar 2020 - April 2020

Technology: NGINX+

• Migration of existing configuration to new upgraded environment.
• Perform install & configure related activities.
• Eliminates single point of failure by implementing fail-over NGINX+ with keepalived.
• Setup dashboard for monitoring API traffic, memory shared which includes in NGINX+ built-in package.

Upgrade Apache Kafka to Confluent Platform

Period: Mar 2020 - April 2020

Technology: Confluent Platform.

• Migration from existing Apache Kafka to Confluent Platform topics/queue and assets to new upgraded environment.

Industry: IT Consulting.

Position Level: Freelance.

• Covers in Design, Development & Implementation Lifecycles in all projects.
• Develop end-to-end interoperability utilizing SAG webMethods.
• Install, Deploy, Migrate for any activities in respect to API-Gateway, ESB, Reverse Proxy.
• Training to clients as having new implementation of ESB & API-Gateway for SoftwareAG.
• Maintenance upgrade to recent version. And as value-added services, we giving support for code-refactoring, and maintenance support until 1 year.
• Initial setup & configuring of SAG products (API-gateway, ESB) in clients environments. Install, deployment and setup tuning on each Dev, UAT & Production environment.

PROJECTS:

Migration & Maintenance SoftwareAG webMethods 9.7 to 10.7

Clients: Bussan Auto Finance

Period: Sep 2021 - Jul 2023

Industry: Financial

Technology: SoftwareAG webMethods.

• Installation new version product (DEV, SIT, UAT, DR, PROD).
• Patching existing & new version installation (DEV, SIT, UAT, DR, PROD).
• Document & listing existing assets & services.
• Migration Preparation.
• Migration existing to new version (DEV, SIT, UAT, DR, PROD).
• Finishing, touch-up, tuning new environment.
• Ticket maintenance for 1 years.

Initialization SoftwareAG API-Gateway & webMethods 10.11

Clients: Kementerian Perdagangan

Period: Mar 2022 - Jun 2022

Industry: Government

Technology: SoftwareAG webMethods, SoftwareAG API-Gateway

• Installation new version product (DEV, SIT, UAT, DR, PROD).
• Patching existing & new version installation (DEV, SIT, UAT, DR, PROD).
• Provide training for developers with Introduction to best practices, code structure and organization, version control, code documentation, security and vulnerability mitigation, performance optimization, deploying assets from with Deployer tools.

SOA Implementation

Clients: Badan Pengawas Obat dan Makanan

Period: Aug 2021 - Jun 2022

Industry: Government

Technology: SoftwareAG webMethods, SoftwareAG API-Gateway.

• Installation & setup of SAG API-Gateway.
• Installation & setup of Internal Data Store.
• Installation & setup of SAG webMethods Integration Server.
• Setup DB Configuration for clustering.
• Setup Terracotta for clustering.
• Setup for systemd each instance for stability & startup purposes.
• Setup, install Nginx as reverse-proxy internal & public.

API Gateway Implementation

Clients: Kementerian Dalam Negeri

Period: Jul 2021 - Aug 2021

Industry: Government

Technology: SoftwareAG webMethods, SoftwareAG API-Gateway.

Initial setup & configuring of SAG products (API-gateway) in Kemendagri IT environments.

• Installation & setup of SAG API-Gateway.
• Installation & setup of Internal Data Store.
• Setup DB Configuration.
• Setup Terracotta for clustering.
• Setup for systemd each instance for stability & startup purposes.

Pusiknas Data Centralization

Clients: Badan Reserse Kriminal Kepolisian Republik Indonesia

Period: Jul 2020 – Feb 2021

Industry: Government

Technology: SoftwareAG webMethods, SoftwareAG API-Gateway.

• Creation of end-to-end integration from front-end exposing API from API-Gateway to upload documents. Upload Doc/Image OCR, Collect Data OCR, View document (serialization),
• Re-engineering services for BELMOD apps as back-end to be orchestrated from ESB webMethods.

Industry: Consulting (IT, Science, Engineering & Technical).

Position Level: Contract Outsourced.

Technology: SoftwareAG webMethods 9.12

• Collaborated with cross-functional teams to conceptualize and refine product concepts.
• Addressed design challenges and evaluated alternative design models to meet project requirements.
• Participated in requirements gathering and design development meetings.
• Reworked applications to meet individual customer demands.

PROJECTS:

SOA Technical Solution Architect & Engineer

Clients: PT. AIA Financial

Period: July 2018 - Mar 2020

Industry: Financial/Insurance

Technology: Integration Server 9.12, Universal Messaging 9.12, ElasticSearch, IBM MQ.

• Covers in Analysis, Development & Implementation of SOA in AIA.
• Develop end‐to‐end interoperability using SAG webMethods.
• Conducted engineering studies on design for products, associated and subsystems components and structures.
• Develop, test & implement SOA flow‐services.
• Develop service orchestration of Fund Switching for integration between MyAIA (frontend REST API) to AS/400 Lifeasia (via MQ by ISO-8583).
• Develop service orchestration of Fund Allocation for integration between MyAIA (frontend REST API) to AS/400 Lifeasia (via MQ by ISO-8583).
• Develop service orchestration of Fund Switching & Allocation for integration between MyAIA (front-end REST API) to AS/400 Lifeasia (via MQ by ISO-8583).
• Develop service orchestration of Fund Switching for integration between CRM (frontend REST API) to AS/400 Lifeasia (via MQ).
• Develop service orchestration of Fund Allocation for integration between CRM (frontend REST API) to AS/400 Lifeasia (via MQ).
• Develop service orchestration of Fund Switching & Allocation for integration between CRM (front-end REST API) to AS/400 Lifeasia (via MQ).
• Develop service orchestration of Producer ACL for integration between RDBMS to ElasticSearch.
• Develop service orchestration of Customer ACL for integration between RDBMS to ElasticSearch.
• Develop service orchestration of Branch ACL for integration between RDBMS to ElasticSearch.

Industry: Consulting (IT, Science, Engineering & Technical).

Position Level: Freelance.

• Determined areas for improvement and implemented processes to alleviate problems.
• Analyzed problematic areas to provide recommendations and solutions.
• Streamlined processes to cut downtime and optimize employee productivity.
• Streamlined key process for entire department by implementing method to improve efficiency.
• Developed custom solutions based upon clients' strict requirements.

PROJECTS:

ACC Front Management System

Clients: Astra Credit Company

Period: Jul 2018 - Nov 2019

Industry: Financial

Technology: Integration Server 9.12, Universal Messaging 9.12, Talend Data Integration 7.2

• Developing, Test & Implement end-to-end data integration & orchestration of Front Management System (FMS Perfect) which is to provide agents for one-stop applications comprised of collections, survey, A/R, agents' achievements.
• Develop REST API provider (internal) as proxy to consume cloud entity (internet) colocation of several data entities which is belongs to FMS business scope with SAG webMethods.
• Develop job for data integration of FMS for updating staging database from several
• Develop FMS' service orchestration of adapter services made from staging database tables and orchestrate with other several business entities (by REST or from another adapter services) and published to RESTful API to be consumed with mobile applications.

Industry: Consulting (IT, Science, Engineering & Technical).
Position Level: Contract Outsourced.

• Software Developer in IT Consultant as Software Engineering, QA and Implementation (full stack) for IT Project in every client's placement.
• Researched new technologies for use in website projects.
• Participated in requirements gathering and design development meetings.
• Reworked applications to meet individual customer demands.
• Analyzed client business processes to propose optimal software applications for unique requirements.
• Developed diagrams to describe and lay out logical operational steps.
• Researched and adopted new technologies to add value to existing offerings.

PROJECTS:

Kubernetes Administrator

Clients: SKK Migas

Industry: Government / Oil / Gas / Petroleum

Period: January 2018 - July 2018

Technology: Kubernetes v1.9.6 Docker 17.12.0-ce, build c97c6d6

• Developing & Test conversion of silo-based assets to container-based orchestrated by Kubernetes.
• Experimenting new technology to enhance efficiency and effectiveness of the current production environment.
• Build Docker environment.
• Build docker orchestration using Kubernetes.
• Create image from all applications using Dockerfile.
• Manage container life cycle.
• Experimenting future development with container orchestration using Kubernetes.

SOA Engineer

Clients: SKK Migas

Industry: Oil / Gas / Petroleum

Period: February 2017 - July 2018

Technology: SoftwareAG webMethods 8.2 & webMethods 9.12

• Covers in the whole SOA Lifecycle in SKK Migas (Government Upstream Oil & Gas Regulator) environment.
• Manage lifecycle enterprise catalog for APIs, SOA Services, and related assets.
• Provide performance of ESB at maximum point.
• Administer server performances availability.
• Build the SOA infrastructure: Linux environment setup, Installation dependencies, setup repository, LVM.
• Tuning performance of Ulimit, JVM.
• Service Development, to provide: Create flow-services to new or optimizing existing business application.
• Business Process Development, to create process flow of each instances, including i.e. approval user task, system task in SoftwareAG BPM.
• Provide service patches & enhancement for every changes in Business Model.
• Manage internal BPM and recent project e-PAU.
• Implementing/modify new components (webMethods components).
• Bug-fixing related to existing service applications.
• Govern and manage SOA assets lifecycle with Centrasite.
• Version control deploy service stack.

Industry: Consulting (IT, Science, Engineering & Technical).

Position Level: Contract Outsourced.

• Software Developer in IT Consultant as Software Engineering, QA and Implementation (full stack) for IT Project in every client's placement.
• Researched new technologies for use in website projects.
  Participated in requirements gathering and design development meetings.
• Reworked applications to meet individual customer demands.
  Analyzed client business processes to propose optimal software applications for unique requirements.
• Developed diagrams to describe and lay out logical operational steps.
• Researched and adopted new technologies to add value to existing offerings.

PROJECTS:

SOA Engineer

Clients: SKK-Migas

Industry: Government / Oil / Gas / Petroleum

Period: March 2016 - December 2016

Technology: SoftwareAG webMethods 8.2

• Covers in the whole SOA Lifecycle in SKK Migas (Government Upstream Oil & Gas Regulator) environment. Emphasized in development & operation scope.
• Build the SOA infrastructure from Linux environment setup, installation, setup repository, LVM
• Tuning performance of ulimit & JVM including patching.
• Developed and maintained courteous and effective working relationships.
• Create flow-services to new or existing business application.
• Implementing/modify new components (webMethods components).
• Bug-fixing related to existing service, applications bug-fixing.
• Govern and manage SOA assets lifecycle including versioning and deprecating assets using Centrasite.

Upgrade Alfresco

Clients: SKK-Migas

Industry: Government / Oil / Gas / Petroleum

Period: June 2016 - July 2016

Technology: Alfresco 4.2 & Alfresco 5.1

• Upgrade ECM Alfresco from 4.1.1.3 to 5.1

SOA Developer

Clients: AXA Mandiri

Industry: Financial / Insurance

Period: Jan 2017 - Mar 2017

Technology: SoftwareAG webMethods 8.2.

• Develop service orchestration between SalesForce using (WSDL) connector.
• Develop internal AXA backend AS/400 using (webMethods adapter) in customer relation domain.
• Exposed API in WSDL.

Industry: Consulting (IT, Science, Engineering & Technical).

Position Level: Staff (non-management & non-supervisor).

• Designed, developed, and implemented software applications for website based on analyzed requirements and understanding of industry technical standards.
• Tested programs and databases to identify issues and make necessary modifications.
• Collaborated on stages of systems development lifecycle from requirement gathering to production releases.

PROJECTS:

Tibco & Java Developer

Clients: PT. Telekomunikasi Selular

Period: Dec 2015 – Mar 2016 (3 months)

Industry: Telecommunication.

Technology: Tibco BW, Tibco EMS, OracleDB 11g, Oracle Weblogic 11g.

• Development of payment gateway via Finnet Telkomsel for Telkomsel's Customers Corporate Billing Account
• Designed, developed, and implemented software applications for integration based on analyzed requirements and understanding of industry technical standards.
• Create APIs based on connector between several back-ends.
• Tested programs and databases to identify issues and make necessary modifications.
• Revised, modularized and updated old code bases to modern development standards, reducing operating costs, and improving functionality.

Java Developer

Clients: PT. XL Axiata

Period: Dec 2015 – Mar 2016 (3 months)

Industry: Telecommunication.

Technology: Java SpringFramework, Hibernate OracleDB 11g, Maven, Apache Tomcat 8.

• Development of XL Prioritas web.
• Determined coding requirements for specialized scripts.
• Reviewed code and debugged errors to improve performance.

Industry: Consulting (IT, Science, Engineering & Technical)

Position Level: Contract Outsourced

Technology: SoftwareAG webMethods 8.2, Linux RHEL 6, Alfresco 4.1.1.3

• Responsible for SOA Life-cycle in clients.
• Assisted with day-to-day operations, working efficiently and productively with all team members.
• Provided professional services and support in a dynamic work environment.
• Worked well in a team setting, providing support and guidance.

PROJECTS:

SOA Engineer & ECM Administrator

Clients: SKK-Migas

Period: Dec 2014 – Dec 2015.

Industry: Government / Oil / Gas / Petroleum.

Technology: SoftwareAG webMethods 8.2, Linux RHEL 6.

• Demonstrated a high level of initiative and creativity while tackling difficult tasks.
• Developed strong organizational and communication skills through coursework and volunteer activities.
• Developed and maintained courteous and effective working relationships.
• Build the SOA infrastructure from Linux environment setup as SysAdmin including: installation, setup repository, LVM to tuning performance of ulimit & JVM including patching.
• Delivered services to customer locations within specific timeframes.
• Govern and manage SOA assets lifecycle including versioning and deprecating assets via Centrasite.
• Develop on different groups, to provide bug-fixing, implementing/modify new components.
• Create/modify optimization of flow-services for business application.

ECM Administrator

Clients: SKK-Migas

Period: Dec 2014 – Dec 2015.

Industry: Government / Oil / Gas / Petroleum.

Technology: Linux RHEL 6, Alfresco 4.1.1.3

• Provided professional services and support in a dynamic work environment.
• Providing maintenance and deliverability services in ECM Alfresco context
• Maintaining SLA availability for ECM.
• Provide tuning of JVM used by Alfresco.
• Housekeeping in all ECM on-premises environments.

Industry: Consulting (IT, Science, Engineering & Technical).

Position Level: Staff (non-management & non-supervisor).

• Analyzed client business processes to propose optimal software applications for unique requirements.
• Developed diagrams to describe and lay out logical operational steps.
• Researched and adopted new technologies to add value to existing offerings.

PROJECTS:

PL/SQL Developer

Clients: PT. Indosat

Period: Jan 2013 – Feb 2013

Industry: Telecommunication

Technology: Oracle 10g

• Created optimal technical solutions to user needs with in-depth system analysis.
• Analyzed existing SQL queries to identify opportunities for improvements.
• Deliver full stage (Dev, UAT, Prod) in PL/SQL Stored Procedure for Indosat Loyality Program (Indosat Senyum) .
• Developed, implemented and optimized stored procedures and functions using PL/SQL.
• Maintenance over ILP database (pruning, shrink).

SOA Engineer

Clients: SK-Migas

Period: Mar 2013 – Apr 2013

Industry: Government / Oil / Gas / Petroleum

Technology: SoftwareAG webMethods 8.2

• Development for integrating SK-Migas Drilling Schedule application with SoftwareAG Webmethods with integration to back-end Oracle PL/SQL.
• Expose the API REST to be accessed with OJK & Ministry of Finance.

SOA Engineer

Clients: PT. Telekomunikasi Indonesia

Period: May 2013 – Dec 2014

Industry: Telecommunication.

Technology: SoftwareAG webMethods 8.2

• Create/maintain services every aspect of change on end-to-end orchestration of payments, RADIUS, VAS. (ISISKA, TENOSSBB, FLEXI) (w/ SoftwareAG webMethods).
• Orchestrate end-to-end services, and provide monitoring services in between.
• Develop patches (involving flow, adapter, parameters, messaging documents).
• Develop BPM process model of Broadband (BIE) in provisioning new customer.
• Solving various problem regarding EAI domain & infrastructure.
• Tracing error on orders, then re-submit/publish to broker engine if necessary.
• Housekeeping in SOA server environment.
• Worked effectively in fast-paced environments.
• Worked flexible hours across night, weekend and holiday on-demand.

Industry: Consulting (IT, Science, Engineering & Technical).

Position Level: Contract Outsourced.

• Software Developer in IT Consultant as Software Engineering, QA and Implementation (full stack) for IT Project in every client's placement.
• Researched new technologies for use in website projects.
• Participated in requirements gathering and design development meetings.
• Reworked applications to meet individual customer demands.

PROJECTS:

XYZ Estate & Afdeling Implementation

Clients: PT. Matahari Kahuripan (MAKIN GROUP)
Period: Jan 2011 - Feb 2012

Industry: Agricultural / Agribusiness

Technology: Delphi Programming languages with Oracle 10g DB, Golden-gate synchronization, Desktop-based ERP system.

• Role as QA for in-house ERP (XYZ System) system implementation based on Oil Palm Agriculture & Plantation also involved in future development.
• Study customers' business processes to customize implementation measures for minimal disruption to operations.
• As implementor consultant which involved delivering training for field operators as users of ERP system.
• Coached, mentored and developed implementation managers by teaching best practices and protocols to reduce discrepancies.
• Authored user documentation to help train third-party personnel on newly-implemented ERP (XYZ System).
• Troubleshoot duplicate, missed sync data from Oracle 10g
• Bugfix on-site (field) as emergency mitigation of implementation, when outstanding error occurs.
• Assist development in HRIS module with Java 6.

Application Specialist

Clients: PT. Bank Tabungan Pensiun Nasional

Period: Mar 2012 - Dec 2012.

Industry: Banking / Financial Services.

Technology: Java, Spring, Hibernate, MySQL Enterprise 5.

• Application Support for micro finance business system in sharia banking.
• Solve user's problems submitted to enterprise ticketing.
• Provide bug-fixing, patching and touch-up related to micro finance business application based on submitted issues in internal ticketing.
• Managed effort of software upgrades and deployment of new services and products.

Industry: Construction / Building / Engineering

Position Level: Contract

Technology: Microsoft Office

• Budgeting for civil-engineering (wooden door) project aspect incl: material requirements and expenditure for the project, inventory control, payments, collection, and other administration including bank guarantee for projects accomplishment.
• Maintained open communication by presenting regular updates on project status to customers.
• Monitored project progress, identified risks and took corrective action as needed.
• Reported regularly to managers on project budget, progress and technical problems.
• Validated project and employment information and completed manual adjustments to financial data.
• Developed and implemented project plans and budgets to ensure successful execution.

Industry: Consumer Products / FMCG.

Position Level: Contract

Technology: Microsoft Office, VBA.

• My first job as fresh graduate, I'm obliged to analyzing and verifying match of branch data between Transport Division and Planner Division.
• Work closely with data, to ensure that data of product shipment are met with planned productions.
• Design & building report using VBScript and database in spreadsheets.
• Produced monthly reports using advanced Excel spreadsheet functions.