Senior Backend Engineer

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Backend Engineer in Ireland.

We are seeking a Senior Backend Engineer to drive the design, development, and maintenance of high-performance, scalable backend systems. In this role, you will play a central part in shaping the architecture and functionality of mission-critical platforms, ensuring robust, reliable, and efficient services. You will collaborate closely with cross-functional teams, mentor junior developers, and integrate modern technologies, including cloud-native infrastructure and AI/ML solutions, to solve complex technical challenges. This role offers a dynamic, innovative environment where your technical expertise directly impacts product quality, system scalability, and the overall success of critical applications.

• Lead the technical strategy and ensure architectural consistency and integrity across the development lifecycle.
• Design, implement, and maintain scalable backend services and APIs to handle high-volume data processing.
• Drive full software development lifecycle from design and coding to testing, deployment, and maintenance.
• Write clean, well-tested, and maintainable C# / .NET code and conduct thorough code reviews.
• Mentor and collaborate with junior and mid-level developers to foster a high-performing engineering team.
• Research, evaluate, and integrate new technologies and methodologies, including AI/ML models, for system innovation.
• Diagnose and resolve production issues, performing root-cause analysis to prevent recurrence.
• Create and maintain technical documentation, including API specifications and architecture decision records.

Requirements:

• Strong professional experience with C# and .NET development.
• Proven expertise in building REST APIs and applying design patterns for distributed, high-throughput systems.
• Experience with cloud-native architecture (AWS and/or Azure) and containerisation (Docker).
• Solid knowledge of SQL (MSSQL/Postgres) and NoSQL (e.g., DynamoDB) databases.
• Hands-on experience with unit/integration testing, test-driven development, and version control (Git).
• Strong written and verbal communication skills in English.
• Ability to mentor and collaborate effectively across cross-functional teams.

Highly Valued:

• Experience with geospatial data processing and familiarity with the Insurance/Reinsurance domain.
• Knowledge of columnar formats (Parquet), in-process data management (DuckDB), and NoSQL technologies.
• Experience with microservices architecture and container orchestration (Kubernetes).
• Proficiency in Linux environments, performance profiling, and system optimisation.
• Exposure to integrating AI/ML models, including Large Language Models (LLMs).

Benefits:

• Competitive annual salary and performance-based bonus.
• Flexible working hours with remote work possibilities.
• Opportunity to work on innovative, high-impact projects.
• Inclusive and collaborative work environment.
• Professional growth and mentorship opportunities.