Mohamed Keita-Interim Senior Camunda & BPMN Consultant, Spring Boot & Java Backend Developer
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Experience
Interim Senior Camunda & BPMN Consultant, Spring Boot & Java Backend Developer
GEMA/IT4IPM GmbH
- Subject matter expert for the client on modeling and developing Camunda BPMN 2.0
- Development of new features and APIs, and coordination of tasks
- Design and development of RESTful APIs with Swagger (code first)
- Creation of target designs, high-level concepts, and requirement specifications
- Analysis and evaluation of alternative solution approaches
- Integration of external IT systems (ANUBIS, SES, ZPS) via Google GCP Pub/Sub and RESTful web services
- Pair programming, code reviews, and collaboration with API product owners
- Consulting on transforming legacy BPMN workflows and configuring Camunda BPM
- BPMN and DMN modeling and implementation in short iterations
- Operational support, bug fixing, and knowledge documentation
- Use of TDD, static code analysis with SonarQube, and integration tests
- Automation of test cases in Java and analysis of stack traces/logs on GCP-PROD
- Identification and execution of test data and documentation of test results
Senior solution architect & consultant, business analyst, process consultant, and technical project lead
List & Sell GmbH / Phone Vision GmbH
- Analysis of existing processes regarding demand planning and digitization of sales processes
- Development and implementation of a back-office ERP solution for digital order processing workflows with low-code/no-code open-source technologies
- Subject matter expert for architectural topics and coordination of tasks
- Support for the product team in UI/UX design and preparation of requirements workshops
- Research, validation, and recommendation of open-source technologies for software products
- Prototype implementation of solution approaches
- Modeling of business processes with Camunda Modeler and development of BPMN workflows in short iterations
- Testing and integration of external APIs with SoapUI and Postman
- Analysis of stack traces/logs on PROD, identification and execution of test data
- Documentation of test results according to the test plan
Senior Spring Boot/Java backend architect, lead developer, Camunda/BPMN consultant
Nord/LB / Deutsche Hypo
- Planning and implementation of IT strategies, design of complex enterprise architectures (microservices, APIs)
- Subject matter expert on architecture topics and coaching of product teams
- Design and development of APIs with OpenAPI (design first)
- Creation of target designs, high-level concepts, requirement specifications, and target data models
- Workshops for aligning data models and processes
- Development of a migration concept from MS SQL Server legacy system to MySQL Server and specification of mapping tasks
- Development of adapters and RESTful APIs to integrate external systems (Specifics, PRIMAS, PARIS, REX)
- Pair programming, code reviews, and stakeholder management
- Consulting on transforming legacy BPMN workflows in Camunda Modeler
- BPMN and DMN modeling as well as prototype implementation
- Operational support, bug fixing, and knowledge documentation
- Use of TDD, SonarQube, SoapUI, Postman, and automation of Java test cases
Senior Camunda/BPMN consultant, Spring Boot/Java backend developer
VHV Versicherung AG
- Consulting, modeling, and implementation of double-opt-in and bounce management BPMN processes with Camunda
- Integration of the Camunda engine with GuidWire and Panda systems
- Setup, configuration, administration, and integration of Camunda BPMN processes
- Support for the development team on ESB service operations and integration of external web services (WebPDF, WebSMS)
- Analysis of customer requirements in Scrum/Kanban, effort estimation, and feasibility analysis
- Coordination of development tasks, documentation, and knowledge transfer
- Use of TDD and test automation (JUnit, component, performance, regression)
- Operational support, error analysis, bug fixing, and deployment at the end of the sprint
Senior Camunda/BPMN consultant, software architect, (J2EE)/Java backend developer, lead developer
Federal Employment Agency
- Creation of software architecture and design of RESTful APIs
- Implementation of adapters and integration of the Camunda workflow engine with BLM, STEP, COLIBRI, VerBIS, eAKTE
- Development of Java EE/EJB/Servlet multi-tier applications on Payara
- Modeling and implementation of BPMN workflows with Camunda Modeler
- Gathering and analysis of customer requirements in Scrum/Kanban
- Creation of technical concepts and implementation of business requirements
- Workshops, reviews, and knowledge transfer for internal staff
- Use of TDD and test automation (JUnit, component, performance, regression)
- Quality assurance, operational support, bug fixing, and release management
Senior Spring Boot/Java Backend Developer, Lead Developer, JasperReports Developer
Actum Consulting GmbH / HEK Krankenkasse
- Designed RESTful APIs with Swagger and integrated them with IAM, IBM eGA, and SAP interfaces
- Conceptualized and mapped patient data from SAP for the IBM eGA API
- Developed RESTful backend APIs to generate generic HTML forms using Thymeleaf
- Collaborated with DevOps to deploy microservices
- Enhanced and maintained microservices and the eGA API
- Created prototype documents using PDFBox and JasperReports
- Gathered and analyzed customer requirements in Scrum/Kanban
- Carried out test automation (JUnit, component, performance, regression)
- Provided production support, bug fixing, and release management
Java EE Backend/Java Swing Developer
IHK GfI GmbH
- Extended and designed the backend infrastructure of a Java Swing-based application
- Analyzed requirements and developed solution designs for e-invoicing in the ZUGFeRD format
- Enhanced the JEE application, performed error analysis, and fixed bugs
- Supported the planning, analysis, and design of the system architecture
- Translated business requirements into the architecture design
- Gathered and analyzed customer requirements in Scrum/Kanban
- Developed and executed JUnit tests, ensured quality, and managed releases
Senior BPMN/Camunda Consultant, Spring Boot/Java Backend Developer, Backend Architect, Lead Developer, SER Doxis Developer
ALD Auto-Leasing GmbH
- Implemented publication and ordering processes using Camunda BPMN
- Connected to IDKnow, SER Doxis DMS, and Microsoft Azure cloud services
- Built, configured, and integrated Camunda BPMN processes
- Designed RESTful APIs
- Created technical concepts and implemented business requirements
- Analyzed customer requirements in Scrum/Kanban and conducted feasibility studies
- Developed and executed test automation (JUnit, component, performance, regression)
- Used TDD, ensured quality, fixed bugs, and managed releases
Senior BPMN/Camunda Consultant, Spring Boot/Java Backend Developer
DB Systel GmbH
- Created a proof of concept for a cloud-native solution with SAG BPMN processes in Camunda
- Modeled and implemented TIBCO web services in Spring Boot
- Built, configured, and integrated Camunda BPMN processes
- Produced software architecture and REST API designs
- Created technical concepts and implemented business requirements
- Evaluated and implemented open-source technologies
Senior BPMN/Camunda Consultant, Spring Boot/Java Backend Developer, JasperReports Developer
DERMALOG Identification Systems GmbH
- Consulted on, modeled, and implemented BPMN processes with Camunda BPM
- Designed RESTful APIs with Swagger/OpenAPI
- Conceptualized and created report solutions with JasperReports and Jaspersoft Studio
- Built, configured, and integrated Camunda BPMN processes
- Analyzed and designed system architecture and technical concepts
- Estimated effort, performed feasibility studies, and communicated with Product Owners
- Created and executed JUnit tests and applied TDD
BPMN/Camunda Consultant, Spring Boot/Java Backend Developer, Apache Wicket Developer
ADClear GmbH
- Designed and implemented a scheduling workflow from Airflow to Camunda BPM v7.6.0
- Modeled and implemented BPMN processes with Camunda
- Designed RESTful APIs with Swagger and implemented Spring Boot connectors
- Developed a RESTful scheduler service for processing tracking data
- Created and customized UI components with Apache Wicket and Spring MVC
- Planned, analyzed, and drafted the system architecture and technical concepts
- Used TDD and performed JUnit and component tests
Java EE/Java Backend Developer, GWT Developer
Marketlogic Software AG
- Designed backend solutions for custom logins, landing pages, and dashboards
- Created XML, DTDs, and XSDs and adapted existing software
- Developed UI widgets with GWT using the MVP pattern
- Implemented an auto-suggestion component with Apache Lucene
- Conducted requirements analysis, effort estimation, and coordinated development work
- Wrote and ran JUnit tests and used TDD
Java EE/Java Backend Developer, JasperReports Developer
Ampere AG
- Designed and implemented backend BI reports with JasperReports and JasperSoft Studio
- Developed SOAP web services with Apache CXF
- Performed requirements analysis and created technical concepts
- Developed a Java EE component for custom BI report generation
- Wrote and executed JUnit, component, and performance tests
C#.NET Developer, Microsoft ASP.NET/.NET and Microsoft Office SharePoint Developer
Helios IT Service GmbH
- Conducted requirements analysis and designed a browser-based internal solution as a Doodle alternative
- Set up Windows Server 2003 and Microsoft Office SharePoint Server 2007
- Developed ASP.NET applications using C#
- Administered SharePoint templates, site collections, calendars, and surveys
- Configured servers via iLO board and maintained BlackBerry firmware
Industry Experience
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Experienced in Information Technology, Banking and Finance, Insurance, Government and Administration, and Automotive.
Business Area Experience
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Experienced in Information Technology, Product Development, Project Management, Quality Assurance, Business Intelligence, and Operations.
Summary
As a solution architect and senior consultant with over 12 years of practical experience in modeling, automating, and optimizing complex business processes, I help companies implement scalable, maintainable, and efficient process solutions – both technically and methodologically.
Skills
- It Consulting For Open-Source Technologies – Efficient. Flexible. Future-Proof – For Smes Looking To Grow Digitally
- Agile Project Management With Scrum & Kanban
- Java Backend Development, Microservices Development, And Api Integration With Spring Boot
- Design And Development Of Restful Web Services & Apis (Code First Or Design First) With Swagger & Openapi
- Camunda/Bpmn 2.0 Consultant
- Development Of Bpmn 2.0-Based Workflows With Camunda 7.X
- Implementation Of Reports With Jasperreports & Jaspersoft
- Implementation Of Unit, Integration, And Api Tests
- Development Of Custom Responsive Web Design (Mobile First) With Bootstrap
Languages
Education
Diploma in Computer Science, specialization in Software Engineering · Computer Science
Statistics
Experience
Global Experience
Expertise
Qualifications
Profile
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Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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