HTTP Experts in Berlin
matched quickly by AI from over 15,000 CVsHire experts who design API integrations, troubleshoot request flows and improve web service reliability across HTTP/1.1, HTTP/2 and HTTP/3. FRATCH connects you with precisely matched, vetted and available freelancers for focused delivery.
Meet FRATCH Experts in Berlin, who have recently used HTTP
Sascha B.
Last position:
Web Developer at GxPlex
- Built a customized MediaWiki instance, including installation, MySQL database, SSL, and automatic backups
- Set up user roles (Admin, Mod, Verified, User) and a permissions system
- FlaggedRevisions for editorial review workflows · Commenting and rating extensions
Toralf C.
Last position:
IT Consultant in PKI Software Development at BWI
- Implementation of a full-stack application with Angular as frontend framework and Java as backend language
- Use of the Swagger OpenAPI specification for REST communication between frontend and backend applications
- Control of a card printer via the Nexus Card SDK framework
- Design and implementation of card management software with web interface and JavaFX module for printer monitoring
- Use of Cucumber tests for test automation and creation of test artifacts for testing outside the development environment
- Use of Wireshark for network investigations to analyze the API of a third-party product and to check the REST API of the self-developed software
Imran A.
Last position:
Software Engineer II at LivePerson Germany GmbH
- Led development of 15+ microservices (Java 17, Spring Boot) driving customer interactions; migrated from on-prem to GCP Kubernetes, improving scalability and reducing infra cost by 20%.
- Optimized user services with CouchDB caching and API refactoring, cutting response times by 35% and enhancing customer experience.
- Implemented canary deployments, FluxCD GitOps, and CI/CD optimizations in GitLab, reducing release lead time by 25% and enabling zero-downtime rollouts.
- Set up Grafana health checks and Anodot alerts for latency, error, and throughput monitoring, reducing MTTR by 40%.
- Built secure APIs using OAuth2, DPoP, and Gatekeeper, integrated REST and GraphQL, and achieved 90%+ test coverage with unit and E2E tests.
- Mentored junior developers, promoted Agile best practices, and collaborated cross-functionally to deliver high-impact, reliable customer-facing features.
Rüdiger S.
Last position:
Full-Stack Software Engineer / Consultant for Digitalization at ARTEVENT
Designed, built, and launched an internal event planning web application used by over 100 department leads for a large event, despite having no dedicated testing phase.
Ensured smooth, failure-free operation during first production use, leading to the tool being adopted for future events.
Automated catering calculations and related workflows, significantly reducing email communication and manual computation effort for meal planning.
Managed deployment and hosting on a Linux server using Coolify, including application setup and runtime operations.
Hired and guided a communication designer on UX while independently owning all technical decisions and implementation.
Marvin M.
Last position:
Co-founder & CTO · Freelance Software Engineer (AI & SaaS) at Self-employed
- Self-employed · Berlin, Germany
- Co-founded the company and own the entire technical side: product architecture, backend, frontend, infrastructure and operations.
- Designed and built the Automated Booking System (ABS) as well as the core platform and payment logic.
- Development of AI-powered SaaS products, from architecture through backend and frontend to production operation.
- Technical consulting on product architecture, data protection and permissible automation.
- Building, running and monetising my own API products for AI agents, each available as a REST interface and as an MCP server.
- Full ownership of architecture, infrastructure, billing, legal texts and go-to-market.
Ola V.
Last position:
IT Lecturer
- IT training in theory and practice for IT specialists in application development and system integration
Mohsin H.
Last position:
BBM GenAI MiDAS program coordinator for Bosch eBike at Robert Bosch GmbH
The MiDAS program aims to integrate Generative AI across the entire BBM organization. My role is to enable the eBike division to adopt and leverage Generative AI by collaborating closely with the MiDAS team in India.
Management:
- Enable the eBike division to adopt GenAI through tailored solutions.
- Collaborate with the MiDAS team in India to design solutions for Generative AI use cases specific to the eBike division.
- Coordinate with the eBike teams to integrate GenAI systems, tools, plugins, and services provided by the MiDAS team.
- Plan roadmaps with eBike and MiDAS India team Product Managers for the delivery and integration of Generative AI solutions.
Nikunjkumar P.
Last position:
Senior Java Backend Developer at Questax Professionals GmbH
- Provide the Price Listing Service team with prices for all cars and vans in different markets
- Adapt market-specific requirements such as taxes, government subsidies, campaigns
- Import and synchronize new prices for all new and existing cars and store them in the Redis datastore
- Support our product and on-call duty
- Daily business, development of new features, bug fixing
- Pair programming, code review, mob programming
- Develop POCs for new ideas
- Maintain and extend the backend
- DevOps tasks
- Run Kubernetes updates
- Adjust and further develop Kubernetes resources
- Develop and adapt Helm charts
- Adapt and update ArgoCD
- Maintain, adapt, and improve CI/CD
Qaiser A.
Last position:
Freelance Lead DevOps Engineer at Schwarz Gruppe Produktion
Bootstrapping a CloudOps team and building a multi-cloud provider backend for a low-code Internal Developer Platform (IDP) with env zero
Introducing user story mapping, ADRs, milestones, and backlog management
Designing and developing core APIs, setting up CI/CD pipelines, OpenTofu/Terraform scripts
Representing and communicating the team with third-party stakeholders (e.g. env zero)
(Cross-)team coaching on DevOps, software design, Terraform, Golang, and agile practices
Peter K.
Last position:
Hardware and Software Developer / Project Manager at Anonymer Kunde
- Development of control units for the automotive industry incl. embedded software
- CAN bus, Vector Tools, CANoe
- Support of the development process according to ISO 26262
- Ensuring cyber security standards:
- Key exchange (PKI) between vehicle and control units
- Hardware Security Module (HSM)
- Communication with external service providers (international)
- Development (PCB) of measuring adapters, statistical analysis of sensors
- IoT and embedded software development, backend administration
Varsha S.
Last position:
Embedded Engineer (Working Student) at Lautsprecher Teufel GmbH
- Proficient in using JIRA for sprint planning, bug reporting, and task management.
- Modified and enhanced embedded C/C++ firmware code on STM32, ESP32 and ARM-based MCUs and SoCs.
- Debugged and fixed embedded software issues; managed code with Git/GitLab (commits, merge requests, reviews).
- Created and maintained test cases and test plans using Testmo.
- Debugged and validated firmware builds; provided detailed bug reports.
- Executed manual tests across development stages.
- Familiar with RTOS concepts and implementation, including task scheduling and interprocess communication for real-time embedded systems.
- Managed planning and execution of acceptance and regression testing.
- Supported mobile app and system-level testing for audio streaming device.
- Tested communication protocols (HTTP, I2C, SPI, UART) and API interactions.
- Used terminal tools and SSH to debug embedded Linux systems.
Cyprien A.
Last position:
Systemberatung.it GmbH
Development of a Shopware 6 plugin to display a standalone spare parts search within Shopware
Model selection via VIN/full-text search and dropdown menus
Selection of desired component groups
Selection of required spare parts from an exploded view or parts list
Garage extension:
Added a 'Garage' menu item in the header
Storage of the vehicle ID in the user profile
Ability to add, filter, and remove multiple vehicles
Adding vehicles by VIN (VIN-search REST endpoint) or by the garage's filter options
Mario E.
Last position:
Developer and Consultant at Freelancer
Discover over 15,000 top freelancers
Statistics of experts using HTTP
Aggregated from the professional profiles of matched freelancers.
Experience
20 years (Germany: 21 years)
Position duration
1.8 years (Germany: 1.9 years)
Positions per freelancer
17
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Automotive, Education
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
100% (Germany: 80%)
Master's degree or higher
44% (Germany: 45%)
Doctorate
11% (Germany: 10%)
Certifications per freelancer
2 (Germany: 3)
Most common languages
German, English, French
Speak two or more languages
100% (Germany: 94%)
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 Berlin 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 Berlin using HTTP
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.
HTTP 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%)
- Automotive (62%)
- Education (54%)
- Manufacturing (46%)
- Retail (46%)
- Healthcare (38%)
- Insurance (38%)
- Banking and Finance (31%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What HTTP does
HTTP is the application-layer protocol used to exchange requests and responses across the web. Browsers, mobile apps, APIs, microservices and connected devices rely on it to transfer resources, submit data and expose services. Its stateless model supports clear boundaries between clients and servers.
Versions and transport
HTTP/1.1 remains common for traditional web traffic, while HTTP/2 improves performance through multiplexing, header compression and a more efficient connection model. HTTP/3 runs over QUIC and UDP, helping reduce the impact of connection loss. Strong specialists understand how protocol versions interact with TLS, DNS, proxies and network conditions.
Ecosystem and tooling
HTTP work reaches well beyond writing request handlers. Professionals use browser network panels, curl, Postman, reverse proxies and observability tools to inspect traffic and isolate failures. They may also work with REST, GraphQL, JSON, OAuth, OpenAPI and service meshes, depending on the architecture.
- Design and document HTTP APIs
- Configure caching, redirects and content negotiation
- Diagnose headers, status codes and connection behavior
- Secure requests with TLS, authentication and authorization
Where companies use it
HTTP powers public websites, partner integrations, internal services and cloud-native systems. It connects frontend applications with backends, links distributed services and carries webhooks, file transfers and streaming responses. Berlin companies across commerce, media, finance, mobility and software rely on dependable HTTP communication.
When to bring in specialists
Freelance expertise helps when an API must be redesigned, an integration keeps failing or a migration between protocol versions needs careful testing. It is also valuable during latency investigations, production incidents, security reviews and the rollout of new gateway or proxy rules. Remote collaboration works well when logs, test environments and ownership are clearly defined; on-site work can help with workshops and complex team coordination in Berlin.
What strong professionals bring
The best HTTP specialists reason from observable traffic instead of guessing from application symptoms. They read specifications, validate behavior with reproducible tests and distinguish application, transport, proxy and infrastructure issues. Look for clear API contracts, practical security judgment, useful documentation and the ability to explain trade-offs to product and infrastructure teams.
Frequently asked questions
Not sure where to start with HTTP? These answers cover the essentials.
HTTP carries requests and responses between clients and servers. Companies use it for websites, REST APIs, GraphQL services, webhooks, authentication flows and communication between distributed services.
HTTP is a broad request-response foundation with strong browser and tooling support. WebSocket suits long-lived, bidirectional connections, while gRPC is designed for efficient service-to-service calls; the right choice depends on interaction patterns, clients and operational needs.
HTTP work often requires knowledge of TLS, DNS, TCP, QUIC, reverse proxies and content delivery networks. Experience with REST, OpenAPI, JSON, OAuth, caching and observability is also useful when the specialist must improve a complete service path.
HTTP tasks range from correcting a header or redirect to redesigning service boundaries and investigating production failures. The required depth depends on risk, traffic patterns, security requirements and the number of systems involved, so assess the project scope before choosing a specialist.
HTTP projects are usually well suited to remote collaboration because requests, traces, specifications and test results can be shared digitally. Teams should provide access to relevant environments, define communication windows and document decisions; Berlin-based on-site sessions can still help with workshops or incident reviews.
HTTP/2 can improve multiplexed web traffic and reduce overhead when clients and infrastructure support it. HTTP/3 may help on networks affected by connection changes or packet loss, but migration should consider proxies, observability, hosting support and measured application behavior.
HTTP quality is visible in predictable status codes, consistent contracts, secure defaults and useful error responses. Ask a specialist to explain test coverage, timeout and retry behavior, caching rules, logging, tracing and how failures are reproduced without exposing sensitive data.
HTTP specialists should clarify the clients, gateways, protocol versions, authentication model and expected traffic behavior. They should also ask who owns deployment, monitoring and incident response, because a correct change can still fail if surrounding infrastructure is undocumented or restricted.
The average hourly rate of freelancers in Berlin, Germany who have used HTTP in their recent projects is 94 €, which corresponds to a daily rate of about 750 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used HTTP in their recent projects, 100% hold at least a Bachelor's degree, 44% hold at least a Master's degree, and 11% hold a doctorate.
On average, freelancers in Berlin, Germany who have used HTTP in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 1.8 years.
The most common languages among freelancers in Berlin, Germany who have used HTTP in their recent projects are German (100%), English (100%), and French (23%).
The most common industries among freelancers in Berlin, Germany who have used HTTP in their recent projects are Information Technology (100%), Automotive (62%), and Education (54%).
The most common business areas among freelancers in Berlin, Germany who have used HTTP in their recent projects are Information Technology (100%), Product Development (100%), and Quality Assurance (69%).
Main locations of FRATCH Experts, who have recently used HTTP
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 
Munich 
Cologne 
Frankfurt 
Dusseldorf Countries:
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