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LangSmith Expert in Germany

in minutes from over 15,000 CVs with the power of AI

Work with specialists who debug, test, and monitor LLM applications, optimize prompt pipelines, and establish robust evaluation workflows. Get matched with vetted, available freelance professionals in Germany within minutes through our precise AI system.

Meet FRATCH Experts in Germany, who have recently used LangSmith

Verified expert

Aruldass Arulanandu

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Full-stack AI Engineer

Berlin
Aruldass Arulanandu

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

Viktor Shcherban

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AI Engineer & Full-Stack Developer

Berlin
Viktor Shcherban

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

Ariel Lev

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Engineering Manager · AI Platform Architect · Cloud-Native Infrastructure

Ingolstadt
Ariel Lev

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

Partha Nandi

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AI Software Developer

Erlangen
Partha Nandi

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

Hamza Khan

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Academic Research Contributor in Health Sector (Volunteer)

Berlin
Hamza Khan

Last position:

Academic Research Contributor in Health Sector (Volunteer)

  • 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

Julien Look

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MLOps Engineer

Berlin
Julien Look

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

Shriya Singh

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Working Student

Berlin
Shriya Singh

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

Ateet Bahmani

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AI Engineer

Essen
Ateet Bahmani

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

Mahabub Akram

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Team Lead – Engagement & Relevance

Kirchdorf an der Amper
Mahabub Akram

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

Vasco Almeida

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AI Research Intern – Generative AI

Munich
Vasco Almeida

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 Dönmez

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IT Consultant

Berlin
Kaan Dönmez

Last position:

IT Consultant at Tensora GmbH

Verified expert

Muskan Verma

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AI Engineer

Berlin
Muskan Verma

Last position:

AI Engineer at Sagas IT Analytics

  • Built an AI Research Assistant with RAG, LangChain, LangGraph, and OpenAI LLMs integrated with vector search; cut research time by 30%.
  • Designed custom retrieval workflows with LlamaIndex, building a ReAct-style agent for dynamic chunking; improved query accuracy by 18%.
  • Researched and optimized embedding strategies, reducing retrieval cost/query by 15%.
  • Developed RAG evaluation frameworks using RAGAS and Langsmith with custom datasets; improved coverage by 40%.
  • Fine-tuned LLMs (LLaMA 2 on Vertex AI with custom inference containers, dynamic batching, and quantization); reduced inference latency by 25%.
  • Integrated AI agents in LangGraph with short-term & long-term memory (Mem0); increased task completion rate by 20%.
  • Created schema-aware synthetic data generators; fine-tuned downstream models achieving +12% F1 score.
Verified expert

Max Ritter

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Cloud (AWS) | AI | DevOps | Data

Fürstenfeldbruck
Max Ritter

Last position:

Cloud (AWS) | AI | DevOps | Data at Boehringer Ingelheim

  • Architected and implemented an enterprise-grade AI Agent Platform leveraging Retrieval Augmented Generation (RAG) architecture to enhance clinical data insights.
  • Established robust CI/CD pipelines for LLM applications using CDK and Jenkins, significantly reducing deployment times.
  • Implemented comprehensive observability solutions that increased agent reliability across pharmaceutical environments.
  • Designed scalable AI workflows with advanced orchestration that optimized context handling for enterprise data sources.
  • Technologies: AI Agents (LangChain, LangGraph, Bedrock, Smolagents, Streamlit); LLM Operations (Tracing, Testing, Evaluation, LangSmith, LangFuse); Infrastructure-As-Code (AWS CDK, Terraform, Typescript, Jenkins); Vectors, Embeddings, RAG (OpenSearch, pgvector, PDF Extraction)
Verified expert

Ekaansh Khosla

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Master thesis - LLM powered RAG System

Erlangen
Ekaansh Khosla

Last position:

Master thesis - LLM powered RAG System at Friedrich-Alexander-Universität Erlangen-Nürnberg

  • Developed a RAG system to automate student queries with 96% accuracy, built using FastAPI and LangChain and deployed on the university server with Docker.
  • Evaluated performance using RAGAS, comparing LLMs (Llama3.3, Llama3.1, GPT-4o-mini), vector embeddings, and various retrieval techniques within the RAG pipeline.
  • Technical Skills: Python, FastAPI, Docker, AWS, LangChain, LangSmith, NLP, HTML, CSS

Discover over 15,000 top freelancers

Statistics of experts using LangSmith

Aggregated from the professional profiles of matched freelancers.

Experience

11 years

Position duration

1.8 years

Positions per freelancer

9

Top business areas

Information Technology, Product Development, Research and Development

Top industries

Information Technology, Banking and Finance, Professional Services

Certification focus areas

Information Technology, Research and Development, Product Development

Bachelor's degree or higher

100%

Master's degree or higher

73%

Certifications per freelancer

3

Most common languages

English, German, Hindi

Speak two or more languages

100%

Based on our profile pool as of 30 Aug 2026.

Daily rate distribution

0 1 2 3 4
<€320 €320-​480 €480-​640 €640-​800 €800-​960 €1120+

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

Average rates of experts in Germany using LangSmith

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

800
600
400
200
Rate comparison chart
Daily rate avg. 604 €

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

800
600
400
200
Rate comparison chart
Median rate 600 €

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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

About the technology

The role of LangSmith in LLM application development

LangSmith serves as an essential platform for building production-grade LLM applications. It provides the visibility needed to debug, test, evaluate, and monitor chains and intelligent agents built with LangChain or other frameworks. Experts use it to transform unpredictable model outputs into reliable software.

Core use cases for LangSmith specialists

  • Tracing complex LLM chain executions to identify latency bottlenecks.
  • Building dataset pipelines for systematic model evaluation.
  • Monitoring production deployments for cost, quality, and drift.
  • Optimizing prompt templates using collaborative playgrounds.

Integrating LangSmith into the modern AI stack

A specialist in this field connects the platform with LangChain, LangGraph, vector databases, and LLM providers. They set up secure API integrations and configure tracing environments. In Germany, many enterprises rely on self-hosted or private cloud setups to ensure strict data privacy.

When to bring in a freelance expert

Companies often hire external specialists when their generative AI prototypes fail to perform reliably in production. If your team cannot explain why an agent hallucinated, or if API costs are scaling unpredictably, a professional can step in. They quickly establish observability to pinpoint failures and set up automated evaluation suites.

Key attributes of skilled LangSmith professionals

Strong specialists combine deep software engineering practices with data science principles. They understand how to design robust assertion tests for non-deterministic model outputs and manage datasets for regression testing. They also possess a solid understanding of token optimization and prompt engineering.

Project execution and local delivery in Germany

Freelance professionals in this domain frequently work with German engineering teams on a remote-first basis. They align with local security frameworks and data governance requirements, ensuring that telemetry data remains compliant. Their structured documentation and transition sessions allow internal teams to maintain the monitoring pipeline independently.

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Frequently asked questions

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

A specialist configures LangSmith to capture detailed traces of LLM runs, agents, and tools. They analyze execution steps to find where errors occur, optimize latency, and manage the datasets used for continuous testing.

Unlike traditional APM tools designed for standard APIs, LangSmith is built specifically for non-deterministic LLM architectures. It visualizes the exact inputs and outputs of prompt templates, retrieve steps, and model calls, which standard tools cannot easily parse.

While LangSmith is natively integrated with LangChain, it can also be used independently with any Python or TypeScript LLM application. A skilled specialist can instrument custom code using the platform's SDK to trace and evaluate arbitrary workflows.

By using LangSmith to analyze trace history, experts identify redundant LLM calls, inefficient prompts, and unnecessary agent loops. This detailed visibility allows teams to refine their architecture and significantly lower their API expenses.

When processing user data in Germany, an expert configures LangSmith to comply with strict data protection standards. They set up data masking and custom filtering rules to ensure that no sensitive personal information is transmitted to the tracing servers.

Yes, a freelance specialist uses LangSmith to establish the testing and evaluation guardrails needed for production. They create golden evaluation datasets to ensure that code changes or model updates do not degrade the application behavior.

Alongside LangSmith, an expert typically works with the broader LangChain ecosystem, vector databases, and Python backend frameworks. They are also proficient in version control and basic DevOps pipelines to automate test runs.

Yes, because LangSmith is a cloud-based or self-hosted platform, specialists can perform most optimization work remotely. They collaborate with German teams using secure access, delivering insights through digital workshops and asynchronous documentation.

The average hourly rate of freelancers in Germany who have used LangSmith in their recent projects is 76 €, which corresponds to a daily rate of about 604 € 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 and 73% hold at least a Master's degree.

On average, freelancers in Germany who have used LangSmith in their recent projects have 11 years of professional experience, with a single engagement typically lasting around 1.8 years.

The most common languages among freelancers in Germany who have used LangSmith in their recent projects are English (100%), German (93%), and Hindi (20%).

The most common industries among freelancers in Germany who have used LangSmith in their recent projects are Information Technology (100%), Banking and Finance (53%), and Professional Services (53%).

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 (80%).

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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