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beqom

Senior Backend Engineer

beqom

. Deliver features across multi-tenant data platform services, including data ingestion, schema management, effective dating, snapshots, calculated fields, and exports, exclusively through AI agents .

Posted 10/23/2026full-timeKrakow • PolandSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in building and maintaining multi-tenant data platform services with a focus on AI-driven development, including strong capabilities in .NET/C#, PostgreSQL, and verification engineering. Proficient in authoring precise Product Requirement Prompts and managing agent-driven workflows to enhance performance and scalability.

Highest-signal resume keywords
AI Coding Agents MasteryProduct Requirement Prompts AuthoringVerification Engineering ExperienceMulti-Tenant SaaS ArchitectureDeep .NET/C# and SQL Fluency

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
.NETC#PostgreSQLAI Coding AgentsVerification EngineeringBehavioural TestingScenario-Based TestingSchema DesignQuality GatesCI/CD
Soft Skills
Excellent Written Communication
Tools & Technologies
MCP ServersDockerKubernetesHelmDigital Twins
Industry Keywords
Multi-Tenant Data PlatformAI-Generated CodePerformance ConstraintsCompliance FrameworksHR Domains

Tech Stack

Tools & technologies
AzureDockerKubernetesPostgresSQL.NET

About the role

Key responsibilities & impact
  • Deliver features across multi-tenant data platform services, including data ingestion, schema management, effective dating, snapshots, calculated fields, and exports, exclusively through AI agents
  • Author structured, testable Product Requirement Prompts and specification files
  • Maintain the versioned specification library governing the codebase
  • Run multiple agents in parallel across workstreams
  • Evaluate agent outcomes against specifications and improve first-pass success, defect escape, and no-human-review merge rates
  • Build and maintain the agentic pipeline, including the agent harness, blueprint engine, MCP tool layer, warm sandbox pool, and retrieval systems
  • Monitor token usage, task latency, cost per run, model-tier routing, and cost-per-outcome
  • Embed governance through audit trails, named feature ownership, and data-classification gates
  • Engineer external behavioural scenario suites, holdout sets, digital twins, layered AI-review gates, and automated remediation
  • Enforce performance constraints for bulk ingestion, large export streaming, memory behaviour, and complex SQL
  • Diagnose and resolve production data issues through agents in collaboration with Support and Engineering
  • Document specifications, scenarios, and pipeline decisions
  • Help other engineers adopt agent-driven development

Requirements

What you’ll need
  • Demonstrated senior-level experience building production backend services
  • Experience with .NET/C# and PostgreSQL systems
  • Majority of recent production output should be AI-generated under the candidate’s direction
  • Hands-on mastery of AI coding agents, with Claude Code strongly preferred
  • Experience with parallel agent sessions, custom skills, and sub-agents
  • Excellence in writing precise, agent-executable Product Requirement Prompts (PRPs) and spec files
  • Strong verification engineering experience, including behavioural and scenario-based testing, holdout evaluation, quality gates, and validation frameworks
  • Strong architecture judgment covering performance, scalability, and reliability
  • Experience building agent infrastructure, including MCP servers and tool layers, sandboxed execution, and CI/CD for agent-driven workflows
  • Deep .NET/C# and SQL reading fluency, including schema design, query plans, streaming versus buffering, and memory behaviour
  • Excellent written communication
  • Experience with digital twins or service virtualisations of external systems is a bonus
  • Experience with LLM evaluation at scale is a bonus
  • Multi-tenant SaaS architecture, CDC/event-driven ingestion, or lakehouse experience is a bonus
  • Familiarity with Azure, Docker, Kubernetes/Helm is a bonus
  • Experience with legal, security, or compliance frameworks for AI-authored code is a bonus
  • Familiarity with compensation, HR, or pay transparency domains is a bonus

Benefits

Comp & perks
  • Dynamic, autonomous environment
  • Opportunity to drive meaningful change in pay equity, transparency, compensation, and performance management
  • Collaboration with a passionate, diverse, and talented global team