Senior Backend Engineer - FinTech Data & Compliance

SD Solutions; Warszawa; On-site; PLN 180,000 - 240,000; Full time

Job summary

FinTech Client #3 is seeking a Senior Backend Engineer to own the design and implementation of regulatory-compliant backend services and data pipelines. Join a team building event-driven automations with Kafka, integrating Verdata and Salesforce, and modernizing legacy systems for scale.

As a Senior BE Engineer, you will design scalable APIs, ensure data integrity across financial systems, and collaborate with Legal, Compliance, and engineering teams to translate complex requirements into robust

Qualifications

• 5+ years of experience in Software Development (Backend focused).
• Experience in building scalable APIs, working with microservices, and understanding distributed systems.
• Experience with cloud-based infrastructure (AWS).
• Fluent in English, both written and spoken.

Responsibilities

• Design & Build: Lead the design and implementation of backend systems and scalable microservices that ensure regulatory compliance and legal process automation (e.g., IVV, Due Diligence).
• Data Integrity & Scale: Work with large datasets and oversee complex data pipelines, ensuring absolute data integrity across critical financial systems.
• Drive Modernization: Lead engineering modernization efforts, including significant refactoring of legacy code and migration to a modern, distributed architecture to improve system resilience.
• Automation & Integration: Replace manual operations with event-driven automation (Kafka) and maintain robust integrations with third-party providers (Verdata, Salesforce, and more) to support business scale.
• Cross-Functional Collaboration: Collaborate closely with Legal, Compliance, and engineering teams to translate complex regulatory requirements into accurate, high-quality technical solutions.

Skills

Ownership

Problem solving

Fluent English

Education

B.Sc. in Computer Science

Tools

Java

Kotlin

AWS

Kafka

Snowflake

Spark

DBT

Python

Verdata

Salesforce

Job description

FinTech Client #3 is seeking a Senior Backend Engineer to own the design and implementation of regulatory-compliant backend services and data pipelines. Join a team building event-driven automations with Kafka, integrating Verdata and Salesforce, and modernizing legacy systems for scale.

As a Senior BE Engineer, you will design scalable APIs, ensure data integrity across financial systems, and collaborate with Legal, Compliance, and engineering teams to translate complex requirements into robust