
Welcome to TeamSec, Turkiye’s first and only cloud-based Securitization as a Service Fintech & Regtech company located in two of Istanbul's vibrant Technoparks. With a passion for innovation and…

Welcome to TeamSec, Turkiye’s first and only cloud-based Securitization as a Service Fintech & Regtech company located in two of Istanbul's vibrant Technoparks. With a passion for innovation and…
What they do: Cloud-native, AI-powered Securitization as a Service (SaaS) for ABS/MBS, fund accounting, analytics, cloud hosting and consulting
Headquarters: Istanbul, Türkiye (operates from Istanbul technoparks)
Founded: 2022
Recent funding: $7.6M equity round (reported Jan 2025)
Founder / CEO: Esad Erkam Köroğlu
Structured finance and securitization (ABS/MBS) operationalization and analytics for financial institutions.
2022
Financial Services
$7.6M
Reported strategic investment naming Emirates NBD among strategic backers in related announcements.
“Has venture backing from Deniz Ventures and strategic investors including Emirates NBD”
Senior Backend Developer – FinTech, Securitization & Banking Integrations
POSITION OVERVIEW
We are seeking a Senior Backend Developer to design, build, and maintain mission‑critical backend systems for a regulated Securitization (ABS / VDMK) and Tokenization platform. This role carries end‑to‑end responsibility for financial transaction engines, banking integrations, regulatory‑compliant data processing, and high‑availability backend services.
KEY RESPONSIBILITIES
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Design and implement backend services covering the full securitization lifecycle (asset onboarding, pooling, tranche structuring, cash‑flow waterfalls, payment schedules)
Develop and maintain integrations with banks, payment systems, custodians, and financial service providers
Ensure transactional integrity through ACID compliance, idempotency strategies, concurrency control, and rollback mechanisms
Architect and implement scalable microservice and event‑driven architectures
Collaborate closely with blockchain, data, and DevOps teams to ensure seamless off‑chain/on‑chain synchronization
Produce high‑quality technical documentation suitable for audits, compliance reviews, and long‑term maintainability
Participate in architecture reviews, code reviews, and production readiness assessments
TECHNICAL REQUIREMENTS
5+ years of backend development experience in Python (FastAPI/Django) or Java (Spring Boot)
Proven experience with financial systems, banking platforms, or regulated FinTech environments
Strong knowledge of relational databases (PostgreSQL) and transaction management
Solid understanding of RESTful API design, authentication, authorization, and API security
Hands‑on experience with Docker and container‑based development
NICE TO HAVE
Experience with securitization, factoring, leasing, or core banking systems
Familiarity with messaging systems (Kafka, RabbitMQ)
Exposure to AML, KYC, and regulatory reporting workflows
PROFESSIONAL COMPETENCIES
High level of ownership and accountability
Strong analytical and system‑level thinking
Ability to operate in regulated, audit‑driven environments