NET Engineer

Comunidad de Madrid

Madrid, Spain

about 2 months ago

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Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Experience required

3 years minimum

Working hours

Regular working hours

Languages

French, Polish, Ukrainian

Job source

www.jobleads.com

Tech stack

.NET Framework Application Programming Interfaces (APIs) C Sharp (Programming Language) Payment Systems JSON OAuth Payment Service Provider Systems Integration Postman Restful APIs Webhooks Api Management

Job description

You will work at the intersection of engineering and partner success, supporting third-party partners throughout the full API integration lifecycle - from initial onboarding and configuration to testing, troubleshooting, and production launch.

This role is ideal for a junior engineer who enjoys solving real integration challenges, communicating with external partners, and gaining hands-on experience with payment systems. You will investigate API requests, JSON payloads, webhooks, and integration issues while working closely with Product and Engineering teams.

Licensed remittance and payment services provider focused on enabling fast, secure, and compliant money transfers. They operate within the fintech domain, serving international remittance corridors and integrating with multiple partners and financial institutions., * Onboard new third-party partners onto API platform, from first call to go-live

Support partner integrations end to end: configuration, testing, and troubleshooting
Act as the technical point of contact for partners, diagnosing issues across API requests, JSON payloads, and webhooks
Reproduce, investigate, and resolve integration bugs - escalating to engineering when needed
Write and maintain clear integration documentation, examples, and troubleshooting guides
Feed recurring partner pain points back to product and engineering to improve the platform

Requirements

3+ years of experience in Information Technology
Basic commercial or practical development experience with .NET and C#
Hands-on experience working with REST APIs and JSON
Ability to read code and understand request-and-response flows
Additional languages - Ukrainian/Polish/French

Skills that will be a plus:

Experience in fintech, payments, or banking infrastructure
Familiarity with webhooks, API authentication (OAuth, API keys), and Postman or similar tools

Benefits & conditions

A competitive, market-aligned salary
Professional growth opportunities within a fast-growing international company
A collaborative and dynamic environment with direct impact in the fight against financial crime
Access to innovative technologies and regulatory practices
A clear path for career progression with increasing responsibilities

full_time

Organization DashDevs LLC