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LangSmith Experts in Germany

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Hire experts who evaluate LLM applications, trace LangChain workflows and build reliable prompt and dataset pipelines. Get precise, fast matching with vetted, available freelancers for your LangSmith project.

Meet FRATCH Experts in Germany, who have recently used LangSmith

Verified expert

Michael N.

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Senior ML Engineer | AI Engineer | Problem Solver

Eichenau
Michael N.

Last position:

Senior AI Engineer | Forward Deployed Engineer at Tiefbau

  • Development of an AI-powered project organization tool for a civil engineering company that intelligently links project, task, tender, schedule, and document data through a knowledge graph.
  • Implementation of AI features for document analysis, information extraction, context-based assistance, and voice-based data capture based on Microsoft Azure AI, reducing administrative effort, making information available faster, and supporting project teams in decision-making.
  • Tech stack: Python, React, TypeScript, FastAPI, Claude Code, Codex, Graphify, PostgreSQL, Microsoft Azure AI Foundry, Azure OpenAI, Azure AI Speech, Azure AI Document Intelligence, Microsoft Graph, Microsoft Entra ID, Docker, Git, CI/CD.
Verified expert

Viktor S.

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AI Engineer & Full-Stack Developer

Berlin
Viktor S.

Last position:

AI Engineer (Freelance) at Empion

Enterprise AI content categorization and AI-powered web research.

  • Built multi-LLM evaluation framework with annotated data
  • Iterated LLM error rates based on annotated datasets
  • Implemented AI-powered web research pipeline Stack: LLM, evals, OpenRouter, Python, Node.js, TypeScript, React
Verified expert

Samuel K.

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Agentic AI Engineer & Technical Lead

Ingolstadt
Samuel K.

Last position:

Founder & Agentic AI Engineer at Agentakt LLC

Independent engineering practice focused on custom AI systems, production delivery, and fractional technical leadership.

Selected client engagement: Scalutions

  • Role: Serve as fractional CTO and hands-on technical lead, responsible for the architecture and agentic infrastructure behind its managed B2B outbound operation.

  • Product: Designed and built OutboundLoop, an agentic SDR operating system for research, qualification, personalized outreach, campaign management, human approvals, measurement, and continuous improvement.

  • Scope: Own the full system lifecycle—from business processes and agent behavior to context design, model routing, integrations, evaluation, telemetry, reliability, cost control, and production operations.

Verified expert

Aruldass A.

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Full-stack AI Engineer

Berlin
Aruldass A.

Last position:

Web Module Lead at Mphasis Limited

  • Led the end-to-end delivery of enterprise full-stack web applications by driving requirement analysis, solution design, frontend and backend development, database design, API integration, code reviews, team coordination, Agile execution, CI/CD deployments, production support, performance optimization, security implementation, and stakeholder collaboration to deliver scalable, high-quality software solutions.
Verified expert

Hamza K.

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Academic Research Contributor in Health Sector (Volunteer)

Berlin
Hamza K.

Last position:

Academic Research Contributor in Health Sector (Volunteer) at n/a

  • Acted as technical consultant to optimize multi-layer ensemble models combining ResNet, CNN-BiGRU-Attention, and XGBoost.
  • Guided implementation of a Logistic Regression meta-learner to solve class imbalance problems, achieving 92.86% accuracy and 0.9644 AUC on PTB-XL and Chapman-Shaoxing datasets.
Verified expert

Luigi C.

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Full Stack & AI Engineer

Munich
Luigi C.

Last position:

Senior Full Stack Developer at Almuc Advertising GmbH

  • Applied modern JavaScript features, including ES6+ syntax, destructuring, modules, array methods, and asynchronous programming, to develop efficient and readable frontend code.
  • Implemented frontend integration patterns for PHP and Laravel backend services, connecting React interfaces to REST APIs and handling structured JSON data.
  • Developed interactive, functional component-based frontend applications using React Hooks, JavaScript, and TypeScript, alongside backend applications and RESTful APIs using Python, Django, Flask, and FastAPI, focusing on reusable components, modular architecture, maintainability, and efficient data processing.
  • Maintained a dynamic portfolio platform using PHP, Laravel, Livewire, and MySQL, implementing end-to-end functionality across frontend interfaces, backend services, and database operations.
  • Validated server-side request handling, routing, middleware, and form validation using Laravel features to support reliable application workflows and consistent data processing.
  • Designed and managed relational database structures using MySQL and Laravel Eloquent ORM, implementing data models, relationships, database migrations, and efficient queries for content management.
  • AI-powered applications integrating Large Language Models (LLMs) through external APIs and locally hosted models, exploring practical use cases for conversational AI, intelligent automation, and AI-assisted workflows.
  • Built local AI applications and developer tools for running, configuring, and interacting with locally hosted language models, gaining experience with local inference, model integration, and privacy-conscious AI workflows.
  • Explored Retrieval-Augmented Generation (RAG) approaches to combine language models with external knowledge sources, enabling context-aware responses based on relevant application data and retrieved information.
  • Integrated AI services with backend APIs and application components, developing reusable modules for model communication, response processing, error handling, and data exchange.
Verified expert

Mahabub A.

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Team Lead – Engagement & Relevance

Kirchdorf an der Amper
Mahabub A.

Last position:

Team Lead – Engagement & Relevance at OLX eCommerce

  • Lead a cross-functional squad of backend, frontend, and ML/data engineers, balancing hands-on contribution (architecture, coding, reviews) with team leadership (mentoring, backlog prioritization, roadmap alignment).
  • Designed and delivered ML-powered search and discovery features, including Learning-to-Rank (LTR), query expansion, and vector search, improving result relevance and user engagement.
  • Implemented personalization and recommendation pipelines, using behavioral data and segmentation to increase customer retention and lifetime value.
  • Established data-driven practices, building A/B testing and experimentation workflows (Odyn, MLflow) to measure feature impact on CTR, NDCG, and conversion.
  • Owned the squad’s architecture and delivery roadmap, modernizing services with cloud-native microservices and event-driven systems (AWS, Pulumi, Terraform) to improve scalability and reliability.
  • Improved reliability and operational excellence, introducing observability (Prometheus, Grafana, NewRelic), incident management, and postmortems that reduced downtime for customer-facing services.
  • Mentored and supported engineers, fostering technical growth, collaboration, and a customer-first mindset through regular feedback, coaching, and code reviews.
  • Worked closely with product managers, researchers, and business stakeholders to translate customer insights into technical solutions that improved discovery, engagement, and retention.
  • Explored Generative AI/LLM use cases (GPT-4, LangChain, RAG), prototyping intelligent assistants and personalized discovery workflows that increased user satisfaction.
  • Delivered tangible results: boosted engagement through personalization, contributed to revenue uplift, and reduced incidents by embedding resilience and observability.
Verified expert

Ariel L.

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Engineering Manager · AI Platform Architect · Cloud-Native Infrastructure

Ingolstadt
Ariel L.

Last position:

Sr. Principal Engineer at Slalom

  • Held direct line management responsibility for a team of 4 Platform Engineers — owning hiring, performance reviews, and career development — while establishing a shared engineering standards framework and coaching culture that accelerated delivery across client engagements.
  • Led a team of engineers to architect a cloud-native voice AI system for a major inspection client, enabling 2,500 field inspectors to document work fully hands-free via real-time transcription and AI agents — eliminating manual data entry across 440,000 inspections per month and reducing per-user cost from $9 to $1. Stack: AWS (DynamoDB, S3, Transcribe, CloudFront, API Gateway, Bedrock), ElevenLabs, Claude.
  • Led a team of engineers to automate multi-region Kubernetes cluster management for a global SaaS leader, reducing provisioning time from 3 weeks to under a day and eliminating 90% of configuration errors. Stack: EKS, Terragrunt, Python, Bash, ArgoCD.
  • Accelerator - Cloud-Agnostic AI Platform: Architected and delivered a cloud-agnostic, Kubernetes-native platform as an accelerator, enabling multi-tenant, enterprise-scale management of self-hosted LLMs with concurrent deployment of multiple base models and dynamic LoRA adapter serving. Designed production infrastructure using open-source tooling (ArgoCD, Karpenter, vLLM, SGLang) with automated model lifecycle management, API security (Keycloak + LiteLLM), and cost-optimized GPU provisioning.
Verified expert

Shriya S.

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Working Student

Berlin
Shriya S.

Last position:

Product Manager at passify

  • Leading the setup of Passify’s internal automation and risk management portal, connecting workflows across teams through SharePoint and Power Automate.
  • Moderating retrospective workshops and creating PRDs and design tickets during PDLC.
  • Supporting ISO 27001 documentation and compliance, focusing on customer support, user registration, and internal communication processes.
  • Helping align design, development, and operations in a modular design cycle, ensuring each release meets both business and user needs.
  • Contributing to feature planning and validation for subcontractor flows, training dashboards, and terminal portal improvements.
Verified expert

Julien L.

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MLOps Engineer

Berlin
Julien L.

Last position:

MLOps Engineer at SAMGEN

  • Building and scaling cloud infrastructure on GCP to support a SaaS platform for industrial clients
  • Designing and implementing a data-driven DevOps pipeline for streamlined deployment and CI/CD workflows
  • Collaborating with Data Science team on MLOps workflow to automate integrated retraining
Verified expert

Ateet B.

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AI Engineer

Essen
Ateet B.

Last position:

AI Engineer at MASX AI

  • Strategic transition into AI Engineering through intensive mentoring and project execution.

  • Developed MASX AI, an agentic AI platform integrating LangGraph, AutoGen, and RAG for geopolitical forecasting and real-time ETL.

  • Designed and delivered functional AI prototypes for prospective clients showcasing applied expertise in multi-agent systems, real-time data pipelines, and LLM integrations.

Verified expert

Partha N.

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AI Software Developer

Erlangen
Partha N.

Last position:

AI Software Developer at Fraunhofer IIS

  • Built a custom AI chatbot for an e-commerce client using GPT-4 and LangChain with RAG, reducing customer support ticket volume by 45% and improving response accuracy to 92%.
  • Designed and deployed an intelligent document processing system using LlamaIndex, Pinecone, and FastAPI for a FinTech startup, enabling semantic search across 100K+ financial documents.
  • Developed multi-agent AI workflows using CrewAI and LangGraph for a marketing agency, automating lead research, content generation, and outreach — saving 20+ hours/week of manual work.
  • Created AI-powered automation pipelines using n8n, Make, and Zapier integrated with CRMs (GoHighLevel, HubSpot), reducing manual data entry by 80% for a real estate firm.
  • Delivered prompt engineering and LLM fine-tuning consulting for multiple clients, optimizing AI model outputs for customer support, content creation, and data extraction use cases.
  • Built production-ready REST APIs with Python and FastAPI to serve AI models on AWS and GCP, handling 10K+ daily requests with 99.9% uptime.
Verified expert

Vasco A.

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AI Research Intern – Generative AI

Munich
Vasco A.

Last position:

AI Research Intern – Generative AI at BMW AG

  • Designed and implemented multi-modal entertainment toolchains that combine passenger input, vehicle context, large-language models (text-to-text and speech-to-speech) and image generation models to deliver more interactive and immersive in-car experiences.
  • Built and orchestrated tools for LLM-based agents, covering session management, background task execution, dynamic user interactions and persistent application state.
  • Investigated multi-agent orchestration frameworks for in-car environments, evaluating communication protocols and architectural strategies for coordinated and reliable agent behavior.
Verified expert

Kaan D.

View profile

IT Consultant

Berlin
Kaan D.

Last position:

IT Consultant at Tensora GmbH

Discover over 15,000 top freelancers

Statistics of experts using LangSmith

Aggregated from the professional profiles of matched freelancers.

Experience

10 years

LangSmith experts in Germany have 10 years of professional experience on average.

Position duration

1.9 years

LangSmith experts in Germany stay in a single position for 1.9 years on average.

Positions per freelancer

8

LangSmith experts in Germany have completed 8 positions on average over the course of their careers.

Top business areas

Information Technology, Product Development, Research and Development

LangSmith experts in Germany have gathered most of their hands-on project experience in Information Technology, Product Development, and Research and Development.

Top industries

Information Technology, Banking and Finance, Professional Services

LangSmith experts in Germany are most in demand in Information Technology, Banking and Finance, and Professional Services.

Certification focus areas

Information Technology, Research and Development, Product Development

LangSmith experts in Germany earn their certifications most often in Information Technology, Research and Development, and Product Development.

Bachelor's degree or higher

100%

100% of LangSmith experts in Germany hold at least a Bachelor's degree.

Master's degree or higher

72%

72% of LangSmith experts in Germany hold at least a Master's degree.

Doctorate

6%

6% of LangSmith experts in Germany have a doctorate (PhD).

Certifications per freelancer

3

LangSmith experts in Germany hold 3 professional certifications on average.

Most common languages

English, German, Hindi

LangSmith experts in Germany most often speak English, German, and Hindi.

Speak two or more languages

100%

100% of LangSmith experts in Germany speak two or more languages.

Based on our profile pool as of 29 Oct 2026.

Daily rate distribution

0% 25% 50% 75% 100%
19% of LangSmith experts in Germany charge less than €320 per day.
13% of LangSmith experts in Germany charge between €320 and €480 per day.
31% of LangSmith experts in Germany charge between €480 and €640 per day.
13% of LangSmith experts in Germany charge between €640 and €800 per day.
19% of LangSmith experts in Germany charge between €800 and €960 per day.
6% of LangSmith experts in Germany charge €1120 or more per day.
<€320 €320-​480 €480-​640 €640-​800 €800-​960 €1120+

The chart shows how the daily rates of experts in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.

Average rates of experts in Germany using LangSmith

Rates are based on recent contracts and do not include FRATCH margin.

600
450
300
150
Rate comparison chart
Daily rate avg. 558 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

600
450
300
150
Rate comparison chart
Median rate 548 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Calculated based on our freelancers’ daily rates as of 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

LangSmith experts industry focus

See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.

  • Information Technology (100%)
  • Banking and Finance (50%)
  • Professional Services (50%)
  • Healthcare (39%)
  • Education (33%)
  • Retail (33%)
  • Automotive (28%)
  • Energy (28%)

Please note that freelancers can work across multiple industries, so percentages overlap.

About the technology

LangSmith for LLM Applications

LangSmith is an observability, evaluation and development platform for applications built with large language models. It helps teams trace prompts, model calls, tool usage and retrieval steps across LangChain workflows and other integrations. Companies use it to debug production behavior, compare outputs and improve application quality before release.

Tracing and Observability

LangSmith captures detailed execution traces for chains, agents, retrievers and tools. Professionals configure projects, metadata, environments and sampling so teams can follow a request from input to final response. They also use feedback, annotations and run comparisons to investigate latency, failures, hallucinations and unexpected costs.

Evaluation Workflows

A strong LangSmith setup turns quality checks into a repeatable process. Specialists create datasets, define rule-based or LLM-as-judge evaluators, run experiments and review results with product and domain teams. Common evaluation work includes:

  • Testing retrieval quality and grounded responses
  • Comparing prompts, models and chain versions
  • Measuring structured output and tool-call accuracy
  • Connecting human feedback to evaluation data

Ecosystem and Integration

LangSmith is closely connected to LangChain, LangGraph and LangServe, while also supporting broader model and application stacks. Relevant expertise can include Python or TypeScript, vector databases, retrieval-augmented generation, structured output, API design and cloud deployment. Specialists should understand both the application code and the telemetry that explains its behavior.

When Companies Need Specialists

Freelance expertise is useful when an internal team has a working LLM prototype but lacks dependable testing, tracing or release controls. It can also help during a migration from LangChain Plus, a rollout of LangGraph agents or the preparation of a customer-facing support and search application. In Germany, remote collaboration is common, while on-site workshops may help with regulated or cross-functional projects.

What Strong Professionals Deliver

The best professionals connect LangSmith data to practical engineering decisions rather than collecting traces without a purpose. They define useful datasets, choose evaluation methods that reflect business risk and explain findings clearly to technical and non-technical stakeholders. They also handle access control, sensitive data, environment separation and observability costs with care. For German teams, clear English communication and familiarity with local industry processes can support effective remote or on-site work.

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Frequently asked questions

Not sure where to start with LangSmith? These answers cover the essentials.

LangSmith is used to develop, trace, evaluate and monitor applications that rely on language models. It provides visibility into prompts, model calls, retrieval, tool use and agent steps, helping teams diagnose failures and compare changes.

LangSmith captures the reasoning workflow around an LLM response, not only standard service metrics such as errors and latency. Traditional monitoring remains important for infrastructure, while LangSmith adds prompt traces, token details, evaluator results and feedback suited to AI applications.

LangSmith is strongly integrated with LangChain and LangGraph, but it can also observe and evaluate applications using other model providers and frameworks. A suitable specialist can connect it through supported integrations, tracing libraries or custom instrumentation.

LangSmith work benefits from knowledge of Python or TypeScript, LangChain, LangGraph, retrieval-augmented generation and vector databases. Experience with cloud deployment, API security, prompt design and evaluation methodology is equally valuable.

LangSmith projects need enough practical experience to design useful traces and evaluations, not merely activate logging. A small prototype may need focused setup, while a production agent or regulated application usually calls for deeper expertise in datasets, access control, sensitive data handling and release processes.

LangSmith supports remote collaboration because traces, datasets and experiments can be reviewed together online. German companies should agree on data handling, working hours, documentation and language expectations early; on-site sessions can still help with workshops and stakeholder alignment.

LangSmith quality is visible in a professional's approach to evaluation design, trace interpretation and operational safeguards. Ask for examples of how they isolated a model or retrieval problem, defined meaningful test data and turned findings into measurable engineering actions.

LangSmith engagements often involve more than instrumentation. Freelancers should clarify the model providers, LangChain or LangGraph components, data sensitivity, evaluation goals, deployment environments and who will maintain datasets and dashboards after handover.

The average hourly rate of freelancers in Germany who have used LangSmith in their recent projects is 70 €, which corresponds to a daily rate of about 558 € based on an 8-hour working day.

Of the freelancers in Germany who have used LangSmith in their recent projects, 100% hold at least a Bachelor's degree, 72% hold at least a Master's degree, and 6% hold a doctorate.

On average, freelancers in Germany who have used LangSmith in their recent projects have 10 years of professional experience, with a single engagement typically lasting around 1.9 years.

The most common languages among freelancers in Germany who have used LangSmith in their recent projects are English (100%), German (94%), and Hindi (17%).

The most common industries among freelancers in Germany who have used LangSmith in their recent projects are Information Technology (100%), Banking and Finance (50%), and Professional Services (50%).

The most common business areas among freelancers in Germany who have used LangSmith in their recent projects are Information Technology (100%), Product Development (100%), and Research and Development (72%).

Main locations of FRATCH Experts, who have recently used LangSmith

Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.

Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg

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Philipp Thomaschewski

FRATCH CEO

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