Senior Backend Engineer, Applied AI Track

MAIA

Senior backend engineer building reliable RAG pipelines, REST APIs, and LLM integrations for MAIA’s industrial AI platform. Growing into applied AI ownership in Leipzig’s hybrid engineering team.

Posted 8/18/2026full-timeLeipzig • 🇩🇪 GermanySenior💰 €75,000 - €85,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates strong backend engineering capabilities with significant experience in TypeScript, REST API design, and production systems. Possesses a deep understanding of LLMs and retrieval strategies, along with the ability to collaborate effectively across teams in a dynamic environment.

Highest-signal resume keywords

Backend EngineeringTypeScript DevelopmentREST API DesignSQL ProficiencyLLM Integration

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

TypeScriptGoJavaRustSQLPostgreSQLREST API DesignDebuggingObservabilitySecure Development

Soft Skills

Strong Ownership MentalityClear CommunicationAdaptability

Tools & Technologies

GrafanaSentryPostHogSupabase

Industry Keywords

AI FunctionalityRAG PipelinesProduction SystemsQuality GatesRegression Detection

Tech Stack

Tools & technologies

GoGrafanaJavaPostgresRustSQLTypeScript

About the role

Key responsibilities & impact

Design, implement, and ship features from discovery through production rollout, focusing on backend and AI functionality
Build and iterate on RAG pipelines, retrieval strategies, and LLM integrations, balancing quality, latency, and cost
Build evaluation approaches for LLM features, including quality gates, regression detection, and observability
Scout new technologies and approaches and translate findings into production-ready solutions
Collaborate with Product, DevOps, and customer-facing teams to turn requirements into maintainable software
Contribute to engineering standards, code reviews, and the team's technical direction
Begin with backend-focused contributions and progressively take ownership of AI-specific work

Requirements

What you’ll need

Significant senior-level experience as a backend engineer designing, shipping, and operating non-trivial production systems end-to-end
Strong backend engineering skills in TypeScript, or Go, Java, or Rust plus solid TypeScript fundamentals
Ability to contribute productively in a TypeScript codebase from day one
Deep experience designing and shipping production REST APIs, including versioning, error handling, and backwards compatibility
Strong SQL skills, ideally PostgreSQL in production, including schema design, performance tuning, and safe schema evolution
Practical experience debugging production systems with observability tools such as Grafana, Sentry, PostHog, or equivalents
Ability to follow secure development best practices
Hands-on experience working with LLMs and first exposure to RAG or retrieval concepts
Basic working understanding of how LLM and RAG applications are built
Genuine interest in applied AI and motivation to develop deep expertise
Fluent in English
Strong ownership mentality and senior judgment
Ability to communicate clearly with technical and non-technical stakeholders
Comfortable working in a fast-moving startup environment with ambiguity and shifting priorities
Nice to have: experience with Supabase
Nice to have: experience with document analysis pipelines and preprocessing for retrieval
Nice to have: experience with automated evaluation and testing for LLM features
Nice to have: technical leadership, mentoring, setting standards, or leading cross-cutting initiatives

Benefits

Comp & perks

Deliberate runway to grow into applied AI on the job, with senior-level guidance and access to the full team's expertise
Short decision-making paths, real ownership, and a trusted team environment
Direct impact on product quality, AI capability, and company growth
Focused remote work combined with in-office collaboration
Flexible work for the remaining days outside the Leipzig office
WellPass fitness membership for physical and mental wellbeing
Competitive salary
VSOP (Virtual Stock Option Plan) participation opportunities