04.03.2026 aktualisiert
100 % verfügbar
Senior Software Engineer & Solution Architect - Fintech & Payments Technology
Krefeld, Deutschland
Nur Remote
Bachelor of Engineering in Electronics and Communication EngineeringÜber mich
Senior Full Stack Developer with 10+ years of experience across diverse industries. Skilled in Java, Node.js, TypeScript, and SQL. Expert in backend architecture, APIs, microservices, and end-to-end system development, delivering scalable, secure, and high-performance solutions efficiently.
Skills
JavaAPIsAgile MethodologieAmazon Web ServicesArchitekturCloud ComputingKommunikationssicherheitInformationssicherheitDatenbankenKryptographieRelationale DatenbankenDevOpsZahlungssystemeFinanzenPython
Full Stack Development
Comprehensive software development expertise spanning Java, Node.js, Python, React, TypeScript, and modern web technologies with focus on payment systems and financial platforms
Payment Systems Architecture
Deep knowledge of fintech payment ecosystems including ISO 8583, PCI-DSS compliance, EMV standards, and secure transaction processing with HSM integration
Cloud & DevOps Engineering
Advanced skills in containerization with Docker and Kubernetes, CI/CD pipelines using GitLab and Jenkins, and cloud platforms including AWS services
Database Management
Expertise in relational databases including PostgreSQL, MS SQL Server, MySQL, Oracle Database, and cloud databases like AWS RDS
API Development & Integration
RESTful API design, microservices architecture, and integration expertise with POS/ATM transaction APIs and third-party payment gateways
Security & Cryptography
Implementation of financial security standards including Triple DES, AES, RSA encryption, SSL/TLS protocols, and secure communication systems
System Administration
Proficiency in Windows Server environments, Linux distributions, virtualization technologies, and network configuration protocols
Agile & Project Management
Leadership in Agile methodologies, DevOps practices, team mentoring, and cross-functional collaboration in software development projects
Comprehensive software development expertise spanning Java, Node.js, Python, React, TypeScript, and modern web technologies with focus on payment systems and financial platforms
Payment Systems Architecture
Deep knowledge of fintech payment ecosystems including ISO 8583, PCI-DSS compliance, EMV standards, and secure transaction processing with HSM integration
Cloud & DevOps Engineering
Advanced skills in containerization with Docker and Kubernetes, CI/CD pipelines using GitLab and Jenkins, and cloud platforms including AWS services
Database Management
Expertise in relational databases including PostgreSQL, MS SQL Server, MySQL, Oracle Database, and cloud databases like AWS RDS
API Development & Integration
RESTful API design, microservices architecture, and integration expertise with POS/ATM transaction APIs and third-party payment gateways
Security & Cryptography
Implementation of financial security standards including Triple DES, AES, RSA encryption, SSL/TLS protocols, and secure communication systems
System Administration
Proficiency in Windows Server environments, Linux distributions, virtualization technologies, and network configuration protocols
Agile & Project Management
Leadership in Agile methodologies, DevOps practices, team mentoring, and cross-functional collaboration in software development projects
Erfahrung
Berufserfahrungmehr als 10 Jahre
Freelancer seit2026
Sprachen
DeutschGrundkenntnisseEnglischverhandlungssicherHindiverhandlungssicher
Projekthistorie
Leading software engineering team in fintech startup, mentoring developers, driving solution architecture and software design for payment systems
Product analysis and support for VTS platform, solutions architecture, integration support, and VTS implementation for major banks in South Africa
Solutions architecture, design and development of custom payment solutions, ATM and POS application integration, fraud prevention mechanisms development