
HESRON ONDO
Senior Software Engineer | Atlassian & Java
Salary / Daily rate
Lyon, France
Freelance
Can come onsite
Skills
Languages
About me
Intro
Atlassian Solution Expert with 10+ years engineering complex enterprise systems for Airbus, Enedis & ADEO. Specialized in Java/API development, Jira cloud migrations, and data engineering with proven success leading cross-functional teams and implementing OAuth 2.0 security protocols. Deliver scalable solutions combining Atlassian ecosystem, ESB architecture, and agile methodologies to streamline your digital transformation.
Work experience
Atlassian Solution Expert
ADEO
Jan 2024 - Present
2 years 10 months
Remote
– As an expert in Atlassian solutions development (Java, Data engineering and API development), accountable of data transformation onto JSM (JIRA Service Management) and migration to Jira cloud – Audit for rationalization and promotion of JSM with POC – Project steering, commitment and coordination between stakeholders, consumers and partners in Business Units – JSM deployment and settings – Framing and workshop for definition of Digital Product IS data model implementation into JSM – Agile at scale methodology definition and design in alignment with best practices – Led migration projects for upgrading Atlassian applications and merging instances. – Tech lead coordination in the Jira admin internal team – Data engineering (quality, design and integration) – Technical implementation of Kafka connector for the CMDB data synchronization – Cross-application API consumption – Integration of packaged Java services and Scriptrunner (Groovyscript) as an application add-on for Jira (JIRA Framework API based on Java) – Collaborated with cross-functional teams to integrate Atlassian tools with existing client systems. – Developed and maintained comprehensive documentation on governance, methodology, system configurations and customizations.
Atlassian Jira Developer
AIRBUS
Jun 2022 - Dec 2023
1 year 7 months
Remote
– As an expert in Java, Talend development and API designer, for the cybersecurity of the aviation part on a data migration project on JIRA Service Management – Implementation of oAuth 2.0 strong authentication security protocols in Machine to Machine (M2M) mode, – Cross-application API consumption via Mulesoft Gateway – Integration of packaged Java services and Groovy scripts as an application add-on for Jira (JIRA Framework API based on Java) – API management EAI (MuleSoft) – U2M & M2M OAuth 2.0 implementation – Jira Service Management development (Groovy Scriptrunner) – Software Architecture, packaging, reengineering and refactoring – Data Quality – Data migration plan & Talend ETL Jobs design
Talend ESB Expert
VTF
Jan 2023 - Jun 2023
6 months
Remote
– As an expert Talend ESB, design of connectors between Salesforce and Gestour (booking software). – Architecture and technical design of flows. – Talend Runtime Engine/Active MQ installation & configuration. – Salesforce Integration (external web Services call, trigger). – Technical framework.
Software Architect
ENEDIS
Oct 2018 - Dec 2022
4 years 3 months
Lyon/Paris, FR
– As a software architect in a cross-functional team, maintaining SAAS tools in operational condition for the Linky Service and Connected Objects (Linky SOC) pole project. – Administration, data migration and integration on a set of ATLASSIAN products (JIRA, CONFLUENCE, BITBUCKET) and NUXEO ECM. – Study and audit of needs for project teams (users). – Design of migration plan. – Design of services, scripts, connectors and Talend Jobs. – Integration of Java services with JIRA, NUXEO and Tableau tools (from scratch). – Data migration. – Advice on methods, SAFE agility best practices to project teams on the JIRA tool. – Consulting on software architecture. – Functional and technical administration of JIRA and Confluence. – Change management.
Tech Lead
DOCAPOSTE
Mar 2021 - Apr 2022
1 year 2 months
Remote
– Development as Tech lead, integration of Java services and Groovy scripts packaged as application add-on for Jira (JIRA Framework API). – Software Development Lifecycle. – Software Architecture, packaging, reengineering and refactoring. – Performance optimization & load balancing. – Data Quality, Source Systems Analysis, Business Rules. – Data migration plan & Talend ETL Jobs design.
Software & ESB Architect
SICAME GROUP
Jun 2021 - Aug 2021
3 months
Remote
– As a software architect and ESB entrepreneur, I worked on the design phase of an EAI/ESB infrastructure in order to connect SAP/B1 and Salesforce to existing legacy systems. – Deployment and network strategy (nodes, components, network flows, protocol and security standard definition). – Definition of the Data flow Map for each route. – Documentation of the Running plan. – Setting of Talend Admin Console.
Software Solution Architect
AIRBUS
Jan 2020 - Dec 2020
1 year
Remote
– As a software solution architect, intervention on the IMS (Industry Management System) project based on Atlassian's SAAS JIRA solution. Software architecture – Audit and cost calculation & needs analysis. – Design of software components – Administration, infrastructure and configuration on an AWS cloud (Centos Linux, Java 8, Apache Tomcat, PostgreSQL, REST API microservice endpoint build). – Development as Tech lead, integration of Java services and groovy scripts packaged as application add-on for Jira (JIRA Framework API). – Software architecture, packaging, reengineering and refactoring. – Performance Optimization and Load Balancing. – Data migration plan and Talend ETL job design. – Benchmarking, Proof of Concepts and technical and functional administration of JIRA and Confluence.
Functional Architect
GROUPAMA
Apr 2018 - Jun 2018
3 months
Lyon, France
– As a functional architect on the commercial workstation, IS for underwriting insurance product contracts in a semi-agile project. – Definition of customer requirements. – Definition of the testing strategy. – Test design. – ALM Qualimetry Indicator (HP). – Participation in functional specification reviews.
QA engineer
MISTER AUTO
Nov 2017 - Mar 2018
5 months
Lyon, France
– As a QA engineer, in a full agile SCRUM context of redesigning an international car parts e-commerce site. – Audit of software quality management needs – Advice on methods, best practices and tools to Product Owners within project teams – Implementation of a SQUASH TM recipe management tool – Design of testing strategy for the SEO department of the Traffic team – Design of non-regression test automation scripts
Project manager
ENS
Oct 2016 - Nov 2017
1 year 2 months
Lyon, France
– Project manager for the dematerialization of financial processes for processing supplier and customer invoices – Auditing and management of service providers – Collection of needs – Workshop, definition and modeling of business processes – Detailed functional specifications – Configuration/Integration – Functional validation workshop management (UAT) – Application support
Functional support
GRAND LYON
Dec 2014 - Jan 2016
1 year 2 months
Lyon, France
– Functional support on the GRAND ANGLE financial and accounting management software package – User support – Lead professional networks with accountants, financial departments and schedulers – Configuration – Functional validation workshop management (UAT)
Functional referent
EDF
Oct 2013 - Sep 2014
1 year
– Functional referent on safety and security perimeter applications in nuclear power plants in an agile TMA context. – Preliminary studies and costing – Functional workshop animation and functional team supervision – Technical and functional specification – Functional support within the framework of TMA – Design of the test strategy – Management and software validation in factory acceptance – Reporting
Technical expert
CANAL+
Jun 2013 - Nov 2013
6 months
Lyon, France
– Technical expertise for web projects in progress – Support for novice developers – Development of evolutionary change requests and applications – Qualification of technical developments – Bug fixing
Onsite coordinator
SANOFI
Dec 2011 - May 2013
1 year 6 months
Lyon, France
– Onsite coordinator (Bilingual) within a support team (offshore) of an Enterprise Service BUS type data exchange platform (TIBCO ESB) for vaccine manufacturing – Technical analysis of incident tickets reported by users – Monitoring requests for developments – Corrections and changes to platform applications – Qualification and orchestration of tickets – Application of CMMI quality support and delivery processes – Application support (SANOFI PASTEUR) and development of application upgrades and fixes
Software developer
CRÉDIT AGRICOLE
Nov 2010 - Nov 2011
1 year 1 month
69410 Champagne-au-Mont-d'Or, France
– As a software developer engineer, participation in the creation of the New Service Account (CSCA) sales application in the context of the NICE project. Development and design of application solutions linked to the banking office based on the information system of the Regional Banks – Collection of needs – Detailed analysis and modeling – Development and Design – Integration of components and delivery plans. – Testing and qualification.
Education
University of Joseph Fourier
Master, MIAGE (information technology applied to business management)
2009 - 2011
2 years 1 month
– The MIAGE master's program is aimed at the professional world and is part of the MIAGE network in France. It teaches students both management and information technology skills alike.
SUP21
BTS, IT & management
2006 - 2008
2 years 1 month
–
Baccalauréat, Scientific
2006 - 2006
1 month