10/29/2026 updated

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Enterprise & Solution Architect | Telecom BSS/OSS | Cloud & DevOps | AI SDLC

Solec, Poland
Only remote
Master of Science
Solec, Poland
Only remote
Master of Science

Profile attachments

Marcin_Kawalec_CV_2026_v2.pdf

BillingCloud ComputingCloud EngineeringDevOpsEnterprise Architecture FrameworkIndustry Standard ArchitectureOracle Business Intelligence Enterprise EditionOracle CRMSoftware ArchitectureOracle Service BusAWS CLIRevenue ManagementService-Oriented ArchitectureSimple Object Access Protocol (SOAP)Solution ArchitectureSystems Architecture5G (Telecommunication)Software OrganizationOracle SoaOperational Support and AnalysisEnterprise Application PlatformCloud Platform SystemOpen Enterprise ServerOracle Enterprise ManagerOracle Order Management SystemsOracle 10g/11gSQL Server Business IntelligenceOracle Service CloudOSS/BSSTerraformOracle Cloud InfrastructureEnterprise Service BusTelco Cloud
Enterprise & Solution Architecture
Expertise in TOGAF, TM Forum OpenAPI, SOA, EAI, Microservices, eTOM, and ITIL frameworks. Proven track record of defining architectural roadmaps, serving as Design Authority, and driving enterprise-wide architectural decisions across large-scale telecommunications transformations in Switzerland, Germany, and Poland.

Cloud & DevOps
AWS Certified Solutions Architect and Oracle Cloud OCI Certified professional with hands-on experience in Docker, Kafka, Jenkins, Ansible, Git, JAM stack, Netlify, and CI/CD pipelines. Pioneered cloud-to-on-premise integrations and championed early cloud adoption in enterprise environments.

Telecom BSS/OSS & Billing Platforms
Deep expertise in Oracle BRM, Portal Infranet, Huawei BES/CBS, Zira COM/SOM, VoLTE, 5G SA MPN Slicing, and Order Management (COM/SOM). Architected billing platforms processing over 500M CHF monthly for 5M+ Swiss subscribers and delivered first-to-market 5G SA MPN Slicing solutions.

Data & Integration
Proficiency in Oracle Database (DBA-level, PL/SQL), Postgres, MS SQL, Informatica PowerCenter, Tibco JMS, Oracle GoldenGate, Oracle Data Integrator (ODI), REST and SOAP APIs, Spring Boot, and Power BI. Extensive experience designing and implementing high-performance data integration layers.

Software Development
Programming skills spanning Java, Python, JavaScript, Node.js, Angular, C/C++, XML, JSON, and Shell scripting. Background in full-stack development with over 25 years of deep software engineering experience.

CRM, ERP & Tooling
Hands-on experience with Siebel, Clarify, SAP, Camunda (BPMN), Confluence, Jira, and Splunk. Applied these tools across large-scale CRM and billing transformation programmes in the telecommunications sector.

Leadership & Agile Delivery
Experienced in Agile, SAFe, DevOps/CICD, and Waterfall methodologies. Led cross-functional teams of up to 40 engineers, testers, and analysts, managed vendor relationships, and successfully recovered stalled programmes at critical organisational junctures.

AI-Driven Software Delivery
Architect and operator of an AI-driven software delivery lifecycle in which an AI coding agent performs implementation and verification under explicit human governance. Established architecture governance as machine-readable artefacts including repository-level agent instruction files, coding conventions, and Architecture Decision Records.

Quantitative Finance & Algorithmic Trading
Designed and operated a dual-purpose systematic equity trading and research platform supporting real-time market data ingestion, live day-trading strategy execution, and historical backtesting. Integrated ML training pipelines using AutoGluon ensembles and Interactive Brokers API for execution and position monitoring.

Experience

Professional experience10+ years
Freelancer since2004

Languages

GermanGoodEnglishFluentPolishNative speaker

Project history

Independent product architect and owner

Service Marketplace Platform - AI-Driven Software Delivery (Independent product)
Architected and operate a two-sided service marketplace (consumer booking across web, iOS and Android; merchant dashboard; subscription billing) designed for international operation. Used as a working testbed for an AI-driven software delivery lifecycle in which an AI coding agent performs implementation and verification under explicit human governance. Designed an AI-operated delivery pipeline and established architecture governance as machine-readable artefacts.

Enterprise Architect & Deputy Delivery Manager (Consultant)

Sunrise Switzerland (former UPC), Zurich, CH
Dual-hatted as strategic Enterprise Architect and operational head deputy for Order Management Delivery. Co-managed a cross-functional organisation of up to 40 engineers, testers, and analysts delivering the Order Management ecosystem for Switzerland's second-largest telecoms operator. Pioneered the enterprise's first major cloud-to-on-premise integration by architecting and deploying the Order Management platform in AWS. Served as Design Authority within the core Enterprise Architecture team. Applied TM Forum COM/SOM principles to architect a unified Customer Order Management system. Conceptualised a strategic OTT integration framework enabling rapid onboarding of external media partners. Architected a first-to-market 5G SA MPN Slicing solution.

Independent project, self-directed R&D

Systematic Equity Trading & Research Platform (Independent project)
Architected a dual-purpose platform supporting real-time ingestion and analysis of 1-minute bar data for live day-trading strategy execution and historical backtesting against multi-year datasets. Designed the Oracle DB data tier for scale covering 5,000+ US-listed tickers. Engineered a Python orchestrator managing each US trading session end-to-end. Integrated ML training pipelines using AutoGluon ensembles.

IT Architect / Technical Team Leader (Consultant)

Huawei Poland, Warsaw, PL
Spearheaded solution design for a 150M EUR BSS/OSS transformation, one of the largest in Europe, defining the target architecture for CRM, billing, and order management on the Huawei BES/CBS platform. Directed 26 architects and testers through critical product catalogue mapping and revenue comparison testing phases. Stabilised a programme in crisis through decisive stakeholder alignment and structured requirements governance.

Owner / Managing Director

Genix Consulting GmbH, Bern Area, Switzerland
Independent consulting entity underpinning all project-based engagements at Swisscom AG and Swisscom Mobile AG throughout this period.

Lead IT Architect - External Consultant (Project-Based Roles)

Swisscom Mobile AG & Swisscom AG, Bern, CH
Led solution architecture for multi-year programmes at Switzerland's largest telecoms operator, overseeing dozens of resources and modernising billing and rating platforms that process over 500M CHF monthly for 5M+ Swiss subscribers. Designed and implemented a high-performance invoicing framework still in production today. Slashed the runtime of the most complex B2C Invoice Reporting transformation from over 18 hours to just 40 minutes. Rescued a stalled 1.5-year third-party commissioning initiative. Drove mainframe-to-Oracle BRM billing migration. Architected billing, rating, and mediation infrastructure for Swisscom's nationwide Wi-Fi Calling and VoLTE rollout.

Senior IT Consultant

T-Mobile (UK/Germany)
Billing System SME; directed integration testing and tooling for a large-scale wholesale partner billing implementation (Geneva Billing / Infinys PRM).

Consultant

Accenture Poland - Communications & High Technologies, Warsaw
Recognised as a decisive factor in project stability, explicitly named in a national wireline client's vendor contract to personally lead the CRM/Billing maintenance team. Engineered an architectural bypass of legacy middleware during a critical data migration, drastically accelerating end-to-end processing and rescuing the rollout.

Web portal developer / sysadmin / C++ and Visual Basic programmer / network administrator

Foundational IT Roles
Web portal developer, sysadmin, C++ and Visual Basic programmer, and network administrator, establishing the deep engineering baseline that underpins enterprise architecture leadership.

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