Senior fullstack engineer, backend-heavy, with around 7 years of Node.js and over 5 years of TypeScript across regulated fintech and data-heavy products. Owned Bitpanda's bank-facing crypto address-book backend from design through AWS production. Earlier work spans React and Node product delivery, integrations including Iterable and payments, NestJS migration, and high-volume Node.js optimization.
~7y
Commercial Node.js
65%
API response improvement
45→12m
RWE export pipeline
Work experience
Most recent first
Bitpanda
AT
Senior Backend Developer
Owned the crypto address-book backend for bank-facing digital-asset custody: API and data-model design, validation, integrations, tests, and AWS production delivery.
Strengthened service authentication and introduced backend test patterns adopted by the team, using Fastify, GraphQL, TypeScript, and AWS serverless.
ImmoScout24
AT
Full Stack Developer
Integrated Iterable into Node.js lifecycle messaging within established release and production-safety constraints.
Shipped search, listing, and SEO improvements across a mature AWS and MongoDB platform with unit, integration, and E2E coverage.
RWE
DE
Full Stack Developer
Migrated legacy Java components incrementally to NestJS microservices, adding integration and E2E coverage to reduce regression risk.
Profiled MongoDB flows serving 15,000+ daily queries, improved API responses by 65%, and cut exports from 45 to 12 minutes with Worker Pools.
Earlier experience
Independent
· Projects & Professional Development
RO
Worked on independent software projects and professional development before returning to long-term product work at RWE.
Endava
· Full Stack Developer
RO
Shipped TypeScript checkout support for Klarna and card payments; built a Node.js, S3, and Lambda pipeline processing 2,000+ documents daily.
WIP Romania
· Full Stack Developer
RO
Built a MeteorJS and React wallet covering deposits, withdrawals, balances, and reliable real-time transaction updates over WebSockets.
DeverSoft
· Web Developer
RO
Developed JavaScript and Java features for restaurant staff, with WebSocket updates for orders, tables, and kitchen workflows.
Technical skills
Backend
Node.js, TypeScript, Fastify, NestJS, GraphQL, REST APIs, microservices, event-driven systems