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Flatgigs

Senior/Principal Systems Engineer – Enterprise AI, Design & Implementation

Flatgigs

. Design and build scalable, enterprise-grade AI systems, reusable SDKs, application frameworks, libraries, reference architectures and solution templates.

Posted 10/8/2026full-timeIslamabad • PakistanSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in designing and building scalable, enterprise-grade AI systems and multi-tenant architectures, with a strong focus on system performance, reliability, and maintainability. Proficient in translating business and technical requirements into high-level system designs and architecture documentation.

Highest-signal resume keywords
Systems EngineeringSoftware ArchitectureHigh-Level System DesignPython DevelopmentMulti-Tenant Platform Design

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Systems EngineeringSoftware ArchitectureHigh-Level System DesignPythonGoRustAPI DesignSDK DevelopmentDistributed SystemsCapacity Planning
Soft Skills
Technical CommunicationCollaborationRisk IdentificationArchitectural Decision Making
Tools & Technologies
Enterprise AI SystemsApplication FrameworksReusable SDKsIntegration LayersBackend ServicesArchitecture Documentation
Industry Keywords
Enterprise-Grade SolutionsMulti-Tenant ArchitecturesService-Oriented SystemsObservabilityMaintainability

Tech Stack

Tools & technologies
Distributed SystemsPythonRustGo

About the role

Key responsibilities & impact
  • Design and build scalable, enterprise-grade AI systems, reusable SDKs, application frameworks, libraries, reference architectures and solution templates.
  • Design enterprise-grade artificial intelligence platforms and solutions, multi-tenant architectures, reusable engineering components, AI-enabled applications, integration layers, scalable backend services and distributed systems.
  • Own the high-level design of scalable, secure and maintainable enterprise systems.
  • Translate business and technical requirements into system architectures, defining system boundaries, component responsibilities, service interactions, data flows, interfaces and integration patterns.
  • Design architectures supporting at least 1,000 users while maintaining reliability, performance and scalability.
  • Evaluate trade-offs across performance, cost, maintainability, security and delivery speed.
  • Create architecture documentation, technical specifications, system diagrams and design decision records.
  • Design AI solutions combining models, SDKs, RAG, MCPs, applications, APIs, data platforms and enterprise systems.
  • Architect systems supporting AI inference, intelligent automation, agentic workflows, retrieval, data processing and enterprise integrations.
  • Collaborate with AI, machine learning, product and platform teams to convert experimental capabilities into reliable software products.
  • Code, prototype and implement backend services, APIs, libraries, SDKs, system components and reusable engineering tools.
  • Produce clean, efficient, tested and maintainable production code.
  • Review code, guide system-level implementation decisions and diagnose performance bottlenecks and system failures.
  • Design multi-tenant systems with tenant isolation, access control, configuration, resource management, scalability, resilience, fault tolerance, high availability and recoverability.
  • Work with CTOs, architects, product leaders, AI engineers and software development teams.
  • Lead technical discussions, communicate architectural decisions and identify risks before implementation.

Requirements

What you’ll need
  • Strong professional experience in systems engineering, software architecture, platform engineering or backend engineering.
  • Demonstrated expertise in high-level system design and architectural thinking.
  • Proven experience designing and delivering at least five enterprise-grade solutions.
  • Each qualifying solution should have supported, or been designed to support, at least 1,000 users.
  • Strong hands-on software development experience with Python, Go, Rust (language agnostic)
  • Experience building scalable, distributed or service-oriented systems.
  • Experience designing multi-tenant platforms or enterprise SaaS products.
  • Strong understanding of system performance, capacity planning, concurrency and scalability.
  • Experience integrating multiple existing applications, platforms or services into a unified enterprise solution.
  • Experience designing APIs, SDKs, libraries, frameworks or reusable product components.
  • Experience converting prototypes or proofs of concept into production-grade systems.
  • Strong understanding of reliability, security, observability and maintainability.
  • Ability to produce clear high-level design documentation and architecture diagrams.

Benefits

Comp & perks
  • Competitive Salary based on Market Rates
  • Performance Bonus Scheme (PBS)
  • Team Stock Option Pool (TSOP)
  • Plus, other Company Benefits