Squad Lead & Domain Architect

SD Solutions; Warszawa; On-site; PLN 300,000 - 520,000; Full time

Job summary

SD Solutions, on behalf of FinTech Client #3, is seeking a Squad Lead to drive technical leadership, domain design, and day-to-day execution within a multidisciplinary squad of frontend, backend, and data engineers.

You will collaborate with product managers and stakeholders to translate requirements into scalable solutions, ensure architectural integrity, and promote engineering excellence across the team.

Qualifications

• 4+ years of leadership experience guiding engineering teams and architectural decisions.
• 5+ years of software engineering with a focus on scalable architecture and system design.
• Strong backend expertise with Kotlin/Java; .NET acceptable (learning curve) and Python possible.
• Familiarity with microservices architecture and distributed systems.
• Ability to use data to drive decisions and maximize team impact.
• Excellent communication skills and ability to thrive in a fast-paced environment.
• B.Sc. in Computer Science or equivalent.
• Fluent in English.

Responsibilities

• Lead technical architecture and system design for core products within the domain.
• Guide a multidisciplinary squad of frontend, backend, and data engineers through delivery.
• Collaborate with product managers and stakeholders to translate requirements into scalable solutions.
• Ensure development aligns with business objectives and long-term system health.
• Conduct and lead design and code reviews and performance optimization.
• Foster a culture of technical excellence, ownership, and continuous improvement.
• Oversee system reliability, monitoring, and incident response within the domain.

Skills

Leadership

System design

Backend development

Microservices

Kotlin/Java

Cloud AWS

Spring

Databases

Message queues

English fluency

Education

B.Sc. in Computer Science or equivalent

Tools

Kotlin

Java

.NET

Python

AWS

Spring

MySQL

MongoDB

Kafka

SQS

RabbitMQ

Cursor

Claude Code

Job description

SD Solutions, on behalf of FinTech Client #3, is seeking a Squad Lead to drive technical leadership, domain design, and day-to-day execution within a multidisciplinary squad of frontend, backend, and data engineers.

You will collaborate with product managers and stakeholders to translate requirements into scalable solutions, ensure architectural integrity, and promote engineering excellence across the team.