- Company Name
- Stancer
- Job Title
- Développeur Python – Systèmes de Paiement & Core Banking - Paris - H/F
- Job Description
-
**Job title**
Python Developer – Payment Systems & Core Banking
**Role Summary**
Design, implement, and maintain core banking modules that process payment flows (SEPA, CB2A, SWIFT MT103/MT202, TARGET2). Ensure high availability, performance, and regulatory compliance while integrating new features and modernizing the infrastructure.
**Expectations**
- 3–5 years of backend development experience, ideally in banking, fintech or payment services.
- Proven ability to work in regulated environments and collaborate with compliance, operations and product teams.
**Key Responsibilities**
- Develop and maintain Python modules for SEPA (SCT, SDD, SCT Inst), CB2A, and international SWIFT transfers.
- Integrate, parse and validate bank file formats (CFONB, CAMT 053/054, PAIN 001/008/013, COREP/FINREP).
- Automate reconciliation, error handling, and reporting pipelines.
- Guarantee technical adherence to DSP‑2, LCB‑FT, GDPR, ISO 20022, EBICS, TARGET2, and other banking standards.
- Collaborate with business stakeholders to translate functional needs into robust technical solutions.
- Optimize system performance, traceability and resilience; implement monitoring and alerting.
- Produce clear technical specifications and integration diagrams.
- Contribute to product road‑mapping and service enrichment.
**Required Skills**
- **Languages & Scripting**: Python, SQL, Bash.
- **Protocols & Standards**: SWIFT MT103/MT202, MX/ISO 20022, EBICS (H004/H005), SEPA (SCT, SDD, SCT Inst), CB2A, TARGET2, ISO 20022.
- **File Formats**: CFONB, CAMT 053/054, PAIN 001/008/013, COREP/FINREP.
- **Databases**: MariaDB, PostgreSQL, MongoDB.
- **Middleware & Queues**: Redis, Celery.
- **DevOps & Containerization**: Docker, Kubernetes, GitLab CI/CD.
- **Observability**: Prometheus, Grafana, ELK Stack.
- **Security & Compliance**: Encryption, PKI, HSM, knowledge of DSP‑2, LCB‑FT, GDPR.
- **Diagnostics**: Log analysis, incident debugging, corrective action proposal.
- **Soft skills**: Analytical mindset, autonomy, teamwork, precision in regulated settings.
**Required Education & Certifications**
- Bachelor’s or Master’s degree (equivalent to Bac+5) in Computer Science, Software Engineering or related field.
- Domain certifications (e.g., ISO 20022, PCI‑DSS) are advantageous but not mandatory.