
gRPC Experts in Munich
matched in minutes from over 15,000 CVsHire experts who design efficient service-to-service APIs, define Protocol Buffers contracts and connect distributed systems across cloud environments. FRATCH delivers fast, precise matches with vetted, available freelancers who fit your technical needs.
Meet FRATCH Experts in Munich, who have recently used gRPC
Giuseppe A.
Last position:
Embedded Software Development at Inheco
- AI Integration (LLM & RAG): Designed and built an internal intelligent RAG system (Retrieval-Augmented Generation) based on LLMs, n8n, and vector data to automatically analyze technical documents and error logs.
- Design & Implementation: Designed a robust RS-232/UART communication interface for an SBC-based embedded device used to control medical shaker systems.
- Architecture & Protocol Design: Built a highly maintainable software structure (OOP, SOLID) and defined resilient, hardware-level communication protocols, including multithreading and advanced error handling.
- Quality Assurance & DevOps: Automated testing with xUnit, ran integration tests directly on the hardware target, and maintained technical documentation to strict medical technology standards via Azure DevOps.
Label: C#, .NET, LLMs, RAG, n8n, RS-232, UART, Multithreading, async/await, xUnit, gRPC/protobuf, Blazor, MudBlazor, EF Core, Visual Studio 2026, Azure DevOps
Thomas H.
Last position:
Senior MLOps, DevOps Engineer at Trianel Energy
- Build and operate an end-to-end MLOps platform on Azure ML and Kubernetes (Kubeflow) for the automated deployment, monitoring, and scaling of forecasting models (including Temporal Fusion Transformer, Informer, Autoformer).
- Implement CI/CD pipelines in Azure DevOps for the full ML lifecycle – from resource provisioning (Terraform), data transformation (Hugging Face Datasets, Pandas, PyTorch, CUDA cluster) through training and evaluation to model registry and endpoint deployment.
- Integrate MLflow for experiment tracking, model versioning, performance monitoring, and automated registration in the Azure Model Registry.
- Develop and containerize PyTorch training jobs (Azure Notebook, Jupyter Notebooks) for price and time series forecasting (PFC models) with automatic rollout via Azure ML Endpoints and REST/gRPC interfaces, Docker containerization, secured with OAuth 2.0.
- Set up monitoring and alerting mechanisms (Prometheus, MLflow Metrics), log centralization, and cost monitoring.
- Automate infrastructure provisioning and model deployment using Terraform, Helm, and Azure CLI; connect to existing market data systems and event pipelines.
- Migrate existing workloads and databases (IONOS → Azure, MongoDB) with integration into central MLOps workflows and internal networks.
- Extend the platform with LLM-based tools (LangChain, LangServe) to integrate GPT-based analysis modules into existing Spring Boot services for market anomaly detection and automated reports.
- Analyze and architect a software solution to process large volumes of data efficiently (>3000 messages/sec.) (market data store).
- Spring Boot / Java 21 container development with RabbitMQ for distributing stock market data via MongoDB (Kubernetes) with fast storage of data in Redis RMaps, deduplication, forwarding messages to Read Model queues, and building Read Models for UI display in MongoDB.
- Integration of RESTHeart to create a REST API for MongoDB.
- Build an Angular frontend to simplify data queries and master data maintenance.
- Agentic coding with remote and local LLMs (Claude Sonnet, Ollama Qwen) and MCP servers.
- Develop Python scripts for transforming and cleaning incoming stock market data (Pandas, scikit-learn).
André H.
Last position:
Linux IT Admin at ReiserST
- Development and maintenance of IT architectures with embedded Linux systems.
- Designing, implementing, and optimizing backend applications and script-based solutions.
- Analyzing and resolving issues, including troubleshooting and user support.
- Developing and implementing security concepts for cloud solutions.
- Administering networks (DHCP, DNS, NTP, VPN).
- Technologies: Linux, PowerShell, Bash, Python, Ansible, Kubernetes, GitLab CI.
- Methods: Kanban.
Enis S.
Last position:
Software Developer at 50Hertz Transmission GmbH
- Participated in the gradual modernization of components into cloud-native 12-factor applications.
- Worked closely with the business operations team to eliminate manual processes and resolve several performance bottlenecks.
- Designed and implemented a CI/CD pipeline to increase developer productivity, enforce quality and security checks, and automate product delivery.
- Migrated several components into the OpenShift Kubernetes cluster.
- Built a monitoring stack from scratch with Prometheus and Grafana to monitor services running in OpenShift.
- Developed dashboards in both Grafana and Splunk for operational transparency.
- Implemented an OIDC/OAuth2-based single sign-on (SSO) solution with Keycloak to secure multiple applications.
- Technologies: Java, Spring, Quarkus, Kafka, MySQL, Cassandra, Redis, Spring Data, Hibernate, Docker, Kubernetes, OpenShift, Keycloak, OIDC, OAuth2, Helm, Prometheus, Grafana, Splunk, Spark.
Michael B.
Last position:
Scrum Master, Project Manager at GP Solutions DMCC
- Participated in the Riyadh Public Transport (KAPT) project introducing public transportation in Riyadh, supporting multimodal journeys combining bus, metro, car on demand.
- Worked via Thiqah and partnered with Andersen to refactor the mobile MaaS application DARB into a new microservices architecture under SCRUM framework, successfully completing Phase 1.
- Facilitated a team of 40 developers across Android, iOS, Web, Java, DevOps, architecture, analysis, and QA.
- Moderated Scrum events and communicated with the client, proactively reporting on project deadlines, scope, and challenges.
- Coordinated cross-team efforts between Thiqah specialists and GPS development teams, managing Jira and Azure DevOps trackers.
- Supported and improved Scrum processes throughout the project.
- Due to Thiqah’s takeover by Elm, subsequent phases were handled entirely in Saudi Arabia with GPS providing IT consulting.
- Tools: Azure DevOps, Jira, Confluence, Draw.IO, ChatGPT
Subodh K.
Last position:
Senior Software Engineer at EDAG Engineering GmbH
Project Title: Path Planning Module Development (Oct 2024 – Jun 2025)
Developed path planning module using C++14 and CMake
Implemented gRPC communication protocol between modules
Performed unit testing using Pytest framework and Python
Project Title: HMI Programming for Battery, Fuel Cell Electric Vehicle (Aug 2023 – Sep 2024)
Developed HMI software for BEV/FCEV using Ruby and Crystal for backend
Implemented frontend using Vue.js framework
Conducted bug fixes and simulator testing
Project Title: IFHOST CAN Bus Programming (Jan 2023 – Jul 2023)
Programmed CAN bus software using C and C++
Executed unit tests with Google Test framework
Performed integration testing using CAPL in Vector CANalyzer
Participated in onsite testing
Maziyar K.
Last position:
Data Engineer at MSD Germany
- Lead Architect to design and implement the data lake and ETL Pipeline using AWS Stack
- Performance Optimization of Data Ingestion of ETL Pipeline
- Development of Data Validation using Great Expectations
- Leading of the data migration for two sources exchanges
- Data Modeling in AWS Redshift
MLOps
- Model inference implementation by mlflow and AWS SageMaker
- Feature Engineering for the running ML Models ( Recommender Engineer, Clustering )
- Implementatino of Model Registry and artifactory using mlflow
- Historization an Profiling of the Input Data Using AWS Glue Crawler and AWS Data Catalog
- Feature importance using mlflow
Tech. Stack: Python 3, AWS Glue, AWS Step Fucntion, AWS Lambda, AWS EventBridge, AWS IAM Role, AWS SageMaker, AWS EC2, AWS Glue Crawler, AWS CloudWatch, MLFlow, ETL, Data lake, GitHub Action, Terraform, Jenkins, Ansible playbooks (Infrastructure as Code), CI/CD, GitLab, SQL, PySparkSCRUM, Agile, Jira, BigData, VSCode, DBeaver, MSSQL, MySQL, grafana, Docker, Linux, Bash, MapReduce, Data Modeling (ORM), Pandas, YAML, SQL-Alchemy
Daniel C.
Last position:
Founder & Managing Director at BotCraft GmbH
- Building the company with a focus on connectivity for IIoT and Industry 4.0, iRPA/process automation, advanced robotics and smart systems, sensors and services
- Project management and software architecture for IoT gateway development (since 2020) with protocol translation, IT/OT convergence and GRC
- Developing RPA bots for automating and monitoring industrial processes with an agent-based AI approach (since 2020)
- Implementing unsupervised clustering and anomaly detection for time series data in big data streaming pipelines (since 2021)
- Introducing a Docker-based release train for OTA updates with DevSecOps and CI/CD (since 2018)
Parim S.
Last position:
Backend Engineer (WS) at Avelios Medical GmbH
- Contributing to backend system development for a digital health platform
- Developing and maintaining gRPC-based microservices using Spring Boot
- Writing and optimizing automation scripts in Python, Unix, and Windows environments
- Collaborating in a cross-functional agile team to integrate new features
- Tech stack: Java, Spring Boot, gRPC, SQL, Windows/Unix scripting, Python
Ilia K.
Last position:
Senior Full-Stack Java Developer / Team Lead at Diva-e Platforms GmbH
- Led a development team delivering microservices using Java Spring Boot.
- Implemented asynchronous messaging via Kafka and RabbitMQ.
- Led team of 6 developers, improving code quality (SonarQube: 92%→ 98%).
- Reduced deployment time by 70% via optimized Jenkins + TeamCity pipelines.
- Built REST and gRPC APIs for large-scale integrations.
- Improved scalability and reliability of cloud-hosted microservices.
Discover over 15,000 top freelancers
Statistics of experts using gRPC
Aggregated from the professional profiles of matched freelancers.
Experience
18 years (Germany: 16 years)

Position duration
2.2 years (Germany: 1.8 years)

Positions per freelancer
10 (Germany: 12)

Top business areas
Product Development, Information Technology, Project Management

Top industries
Information Technology, Banking and Finance, Healthcare

Certification focus areas
Information Technology, Product Development, Logistics
Bachelor's degree or higher
100% (Germany: 94%)
Master's degree or higher
89% (Germany: 43%)
Doctorate
22% (Germany: 6%)

Certifications per freelancer
2

Most common languages
German, English, Spanish

Speak two or more languages
100% (Germany: 99%)
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Munich 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 Munich using gRPC
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
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.
gRPC 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 (80%)
- Banking and Finance (50%)
- Healthcare (50%)
- Transportation (40%)
- Manufacturing (40%)
- Government and Administration (40%)
- Telecommunication (40%)
- Aerospace and Defense (30%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Service communication
gRPC is a high-performance remote procedure call framework for connecting services. It commonly uses HTTP/2 for transport and Protocol Buffers for compact, strongly typed message contracts. Teams use it to make internal services communicate consistently across distributed applications, rather than relying on loosely defined HTTP endpoints alone.
Where gRPC fits
gRPC is well suited to backend systems where low latency, streaming and clear contracts matter. It appears in cloud-native platforms, financial systems, logistics software, media services and connected products.
- Internal microservice communication
- Bidirectional streaming between services and clients
- Cross-language APIs for distributed teams
- High-throughput data exchange
Ecosystem and tooling
Strong work with gRPC includes more than writing service definitions. Specialists use Protocol Buffers, generated client and server code, interceptors, deadlines, metadata and status codes. They may also work with gRPC Gateway, service meshes, Kubernetes, observability tools and language libraries for Go, Java, C#, Python, Kotlin or Node.js.
When companies need expertise
Companies often bring in freelance specialists when a monolith is being split into services, when REST communication creates performance or contract issues, or when an existing gRPC estate needs stronger reliability. Expertise is also useful during API design, language migrations, production incidents and platform modernization.
- Define stable protobuf contracts and compatibility rules
- Implement authentication, retries, timeouts and error handling
- Integrate gRPC with gateways, load balancing and tracing
- Test streaming, failure modes and service dependencies
What strong specialists deliver
Effective professionals design contracts around real domain boundaries and keep generated interfaces manageable. They understand when gRPC is a better fit than REST or messaging, and when it adds unnecessary coupling. Their work includes clear documentation, backward-compatible changes, automated tests and operational signals that help teams diagnose failed calls.
Collaboration in Munich
Munich companies can use gRPC expertise across automotive, industrial, financial, health and software environments. A freelance specialist may work remotely with local teams or join on-site architecture and delivery sessions. Agree early on communication language, service ownership, repository access and the operational standards used in the organization.
Frequently asked questions
Questions about gRPC? Start with the answers below.
gRPC is used to connect services through defined remote procedure calls. It supports efficient request-response APIs, streaming and generated client code, making it useful for microservices and other distributed systems.
gRPC uses Protocol Buffers and commonly runs over HTTP/2, while REST usually exposes resource-oriented HTTP endpoints with formats such as JSON. gRPC can offer stronger contracts and efficient streaming, whereas REST is often easier for public APIs, browsers and broadly interoperable clients.
A strong gRPC specialist should understand Protocol Buffers, code generation, deadlines, metadata, status codes and streaming. Kubernetes, service meshes, tracing, authentication and CI testing are valuable adjacent skills when the services run in a cloud-native environment.
The right level depends on the scope. A focused API integration may need a specialist who can define protobuf contracts and handle client-server behavior, while a large service migration calls for deeper experience with compatibility, observability, traffic management and failure recovery.
gRPC projects can be delivered remotely when repositories, API ownership and service documentation are clear. Munich teams should also agree on working language, meeting routines, access controls and how architecture decisions are recorded for on-site and remote participants.
gRPC may be a poor fit for browser-facing APIs without a suitable gateway, very simple integrations or systems where broad human readability matters more than strict contracts. REST or asynchronous messaging can be more suitable depending on client compatibility, coupling and delivery needs.
Look for contracts that are explicit, versioned and backward compatible. Quality also shows in deadline and cancellation handling, meaningful status codes, secure transport, automated integration tests, streaming behavior under failure and traces that make service calls observable.
A gRPC freelancer may deliver protobuf definitions, generated clients and servers, gateway integrations, authentication hooks and deployment configuration. They can also document service contracts, establish compatibility checks and improve testing, monitoring and incident diagnosis across the service landscape.
The average hourly rate of freelancers in Munich, Germany who have used gRPC in their recent projects is 83 €, which corresponds to a daily rate of about 661 € based on an 8-hour working day.
Of the freelancers in Munich, Germany who have used gRPC in their recent projects, 100% hold at least a Bachelor's degree, 89% hold at least a Master's degree, and 22% hold a doctorate.
On average, freelancers in Munich, Germany who have used gRPC in their recent projects have 18 years of professional experience, with a single engagement typically lasting around 2.2 years.
The most common languages among freelancers in Munich, Germany who have used gRPC in their recent projects are German (100%), English (100%), and Spanish (30%).
The most common industries among freelancers in Munich, Germany who have used gRPC in their recent projects are Information Technology (80%), Banking and Finance (50%), and Healthcare (50%).
The most common business areas among freelancers in Munich, Germany who have used gRPC in their recent projects are Product Development (100%), Information Technology (90%), and Project Management (80%).
Main locations of FRATCH Experts, who have recently used gRPC
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.
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