
Go Experts in Cologne
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Meet FRATCH Experts in Cologne, who have recently used Go
Nikolaus B.
Last position:
Information Security, IS-Governance & Crossfunctional Governance at Zürich Beteiligungs-AG (Deutschland)
- Conducted security assessments for supplier qualification, business unit onboarding, and ongoing reviews of service providers and partners (Ongoing Assurance).
- Assessed technical and organizational measures (TOMs) against GDPR and information security requirements.
- Handled security reviews and approval processes in the Global Approval Navigator (OneTrust).
- Advised business units and IT on information security, security requirements, and risk-appropriate measures.
- Supported the development of SOC/SIEM processes and tools as part of the ISMS in line with ISO/IEC 27001.
- Analyzed cyber threats and coordinated security objectives and measures to address Security Findings with the SOC team.
- Monitored and assessed current security advisories and security-related metrics (KPIs).
- Reviewed, assessed risks, and approved exception requests (Security Exceptions).
- Independently analyzed and handled Security Events and supported the handling of security incidents.
- Planned and supported awareness initiatives to strengthen security awareness.
- Created, implemented, and reviewed information security policies and standards.
- Conducted protection needs analyses and gap assessments to identify security gaps and risk deviations.
- Defined and reviewed technical and organizational risk treatment measures.
- Advised on Third Party Governance with consideration of DORA, ISO/IEC 27001, ISO/IEC 27005, ISO/IEC 42001, and BCM in line with ISO 22301.
Andreas S.
Last position:
Interim Manager – Transformation, Governance & IT Service Organization at BTC AG
Transformation mandate: IT operating model and governance
- Managed the operationalization of a new IT operating model for a service- and customer-oriented organization in the managed services and Microsoft 365 environment.
- Translated the organizational target vision into concrete roles, responsibilities, organizational elements, decision-making paths and collaboration principles.
- Designed and operationalized a layered model with autonomous delivery teams, supporting units and clearly defined governance functions.
- Designed governance for Service Delivery Management, People Leads, Global Service Owner (GSO), operational teams, clusters and management committees.
- Structured the transformation rollout into ramp-up, implementation, stabilization and operations, and developed kick-off, communication and feedback formats.
- Further developed PMO and office structures as well as portfolio and workforce management to create transparency on resources, risks, dependencies and decision-making needs.
- Facilitated cross-functional workshops and decision-making meetings and translated different stakeholder interests into implementable principles, rules and actions.
Interim mandate: IT service and operations management
- Took over operational responsibility for Citrix and AD/Access, including incident, escalation, transition and quality management in day-to-day operations.
- Clarified operational interfaces and clearly defined responsibilities between internal units, Service Delivery Management and external service providers.
- Conducted structured GAP analyses of existing service descriptions, prepared make-or-buy decisions and clarified roles with KPI integration.
- Managed conflicting objectives, dependencies and escalations in complex customer, operations and transformation situations.
Selected results
- The transformation target vision was translated into practically applicable roles, governance rules, organizational elements and rollout formats.
- Decision-making paths, responsibilities and interfaces between operational delivery, supporting functions and management were described transparently and bindingly.
- The foundations for self-managed teams, standardized service descriptions and reliable portfolio, resource and management transparency were established.
Methods: Operating model design, governance design, RACI, GAP analysis, stakeholder analysis, workshop facilitation, change communication, risk and escalation management, KPI and service management
Joaquim L.
Last position:
SAP Senior ABAP Developer
SAP Data Migration Greenfield QM
In the QM module project, the focus was on migrating inspection plans and transferring Dynpro applications from the ECC system to the HANA system while adhering to development guidelines and clean code principles. The project involved the use of technologies and concepts such as ABAP Objects (ABAP OO), Clean Code practices, SMOD/CMOD enhancements, User Exits, Function Exits, BAdIs, interfaces, and classes. Writing complex reports for download and upload of change pointer information of inspection plan header.
Matthias S.
Last position:
Overall Project Coordinator at Bundeswehr Informatik (BWI GmbH)
- PMO Lead Security Clearance 2 (SÜ2) verified
- Reporting to the GMN sub-program management
- System maintenance 25+
- Functional management and coordination of the Jira setup
- Preparation of decision papers (e.g. project planning, governance model, communication plans, controlling models, roles and responsibilities matrices)
- Development of program-wide knowledge management using Confluence, creation of Jira concept
- Development of an access concept for all project tools
- Analysis of existing processes, identification of improvement potential, and design of solutions to increase efficiency and effectiveness
- Development of a concept for introducing automation approaches into existing tools
- Creation of intranet articles for project marketing
- Responsible for project governance through reporting and resource planning in the sub-program
- Agile development of the project methodology
- Gathering customer requirements (Requirements Engineering)
- Preparation and support of contract negotiations (7-year term, 500+ million budget)
Martin W.
Last position:
Product Owner UX/Software/App Development at Landkreis Hameln-Pyrmont
Responsible for the strategic and operational coordination of app development for the Hameln-Pyrmont district
- Development and implementation of the digitalization strategy for citizen-focused mobile services and the optimization of internal administrative processes
- Requirement Engineering: Systematic collection of complex administrative requirements and conversion into structured user stories
- Stakeholder management: Coordination between specialist departments, citizens, administrative levels and external service providers in multi-level committee structures
- Prioritization and management of the Product Backlog while taking compliance requirements and regulatory guidelines into account
- Participation in agile ceremonies and coordination meetings for continuous product improvement
- Integration of GDPR requirements and administration-specific security standards into the development process
- Citizen participation: Coordination of feedback processes and user-focused tests to increase digital citizen satisfaction
Patrick L.
Last position:
Business Consultant at Self-employed
- Advising primarily mid-sized companies on growth and transformation topics
- Developing business models, positioning and strategies including implementation plans and KPI roadmaps
Markus B.
Last position:
Consultant, Technical Project Manager at Lanxess
- Project: ESU Windows and SQL Server Consolidation / Configuration Management in ServiceNow
- Prepared an as-is analysis of all servers worldwide
- Prepared an as-is analysis of all SQL servers worldwide
- Conducted requirements analyses for SQL and server migrations
- Coordinated requirements with partners for migrations to Hyper-V (on-premises) or Azure Cloud
- Facilitated regular status meetings (Jour Fixe)
- Developed roadmaps and solution models for server migrations
- Set up test scenarios
- Facilitated workshops for the rollout of a global admin team
- Designed data models (CMDB) in ServiceNow
- Led workshops for the CMDB data model
- Developed solution models for the CMDB
- Created end-to-end configuration documentation and work instructions for the CMDB
- Prepared reports for license management
- Defined KPIs for data quality in ServiceNow
- Created a service catalog
- Facilitated workshops to define service requests
- Acted as interface between requirements analysis and the ServiceNow development team
- Systems used: Windows 7, Windows 10, Microsoft Office 365/2010, Windows Server 20xx, SQL Server 20xx, SharePoint, Azure Cloud, Hyper-V, ServiceNow, various tools
Jens R.
Last position:
Platform Architect & Senior Developer at Direct client, industrial measurement technology, medium-sized company
- Technical leadership across hardware, firmware, and software teams; scope: hardware/firmware team (4 people) and leadership group (5 people)
- Consolidated and documented a product family that had grown over more than 15 years and aligned it with CRA compliance — from the bare-metal I/O module to the cloud interface.
- Provided the most important customer product with the essential requirements and architecture documentation within two months — for a firmware landscape that had grown over more than 15 years. It now supports the customer’s modernization strategy.
- Established a monthly reporting line to the supervisory board and executive board within three months: nine meetings since 12/2025. The report itself is versioned and built from the CI pipeline; it is based on automatically collected activity and release data instead of assessments.
- Built a container-based CI/CD infrastructure from scratch: cross-compilation, host tests, and documentation builds in one continuous pipeline.
- Introduced declarative QA gates for DevOps and development artifacts — from the start using lefthook instead of pre-commit, executed in a dedicated container image.
Technologies used: arc42, req42, tpo42, docToolchain, PlantUML, ArchiMate, C4 model, ADR, C, C++ (GTest), CMake, Bare Metal (ARM Cortex-M3/M7), OCI containers, Jenkins, lefthook, Prometheus, Grafana, SBOM, CRA, OPC, SCADA, PLC integration, IPv6 migration, Zero Trust, Sociocracy 3.0, Cynefin
Emre S.
Last position:
IT Project Manager | SAP E-Invoicing Outbound at Rohde & Schwarz
Project: Introduction of statutory-compliant electronic invoicing (outbound, Germany) in SAP for an international technology group.
- Project management: Planning, steering and reporting of the E-Invoicing outbound rollout across all affected business areas, including budget and resource coordination.
- UAT: Structured user acceptance test with key users per business area, test cases per invoice scenario, and consolidated test results for decision making.
- Defect management: Handover and tracking of defects in Jira, including validation of the generated invoices against the statutory schemas.
- Cutover, go-live and hypercare: Readiness checks and cutover planning aligned with the statutory deadlines, coordination of go-live and stabilization during hypercare.
- Stakeholder management and reporting: Alignment with Finance, Tax, business departments and IT, preparation of status reports and decision papers, and consistent follow-up of open items.
- Change management and documentation: Communicated process changes to the business departments, enabled key users, and created process and compliance documentation to ensure traceability and audit readiness.
Rafael D.
Last position:
Project Lead Automation at Textile Industry
Analysis and optimization of end-to-end processes in various business areas such as sales, procurement, order processing, and logistics. Redesign of the ERP system. Identification of optimization potential, especially in areas with media discontinuities and manual activities, as well as creation of a prioritized transformation roadmap with clear business cases and implementation recommendations. Management of automation initiatives. RPA at the production site in China. Evaluation and introduction of relevant AI use cases, as well as building basic AI capabilities within the organization. Training internal project team members and supporting them throughout the transformation process to develop a culture of continuous improvement. Close collaboration with IT and external implementation partners, with reporting to senior management.
Main responsibilities and achievements:
- Analysis of business processes and design of automated processes
- Training and support for employees in China and Germany
- 20% cost savings in logistics
- Regular status reports to senior management
Armen M.
Last position:
CTO/CPO Platform & Technology at Green Mobility Holding
- Overall responsibility for platform transformation across ERP, CRM, PIM and AI-supported process automation
- ERP transformation: Introduction and migration to Microsoft Dynamics 365 Business Central
- CRM & Growth Stack: Implementation of HubSpot as the central CRM and platform for lead and marketing automation
- Product data & Commerce Enablement: Introduction of an ePIM to scale Category Management and digital Commerce processes
- AI-supported process automation: Design and introduction of agent-based AI workflows to automate processes in Business Services, Accounting, Tender Management and Marketing
- Building a scalable platform organization consisting of Product Development, DevOps, UX, Cloud Engineering and Corporate IT
- Introduction of modern product and portfolio governance (e.g. OKRs, portfolio boards, value-based roadmaps) to manage technology-driven initiatives
- Harmonization of heterogeneous system landscapes and transformation into a modular, scalable platform architecture (ERP, CRM, PIM, integrated customer journeys)
- Coaching and development of Product Owners, Tech Leads, Delivery Managers and UX teams in building a scalable product organization
Olaf K.
Last position:
Liquidation of a warehouse site at Cegeka
- Project plan creation and monitoring
- Coordination of necessary activities
- Regular status meetings
- Personnel planning for cutover
- Completion and handover of all trades to the end customer with documentation
Peter W.
Last position:
Director IT at LMT Group
Responsible for the IT operations of a medium-sized mechanical engineering company (approximately 2 000 employees, annual revenue of approximately 400 million euros worldwide). Direct responsibility for 13 employees. At the same time, project manager for an internal carve-out (commercial and technical separation of the two business units worldwide).
Industry: Mechanical and plant engineering
Function: Director IT
- Responsibility for outsourced IT operations; provider management and service management.
- Responsibility for the complete separation of the two business units (applications, SAP R//3, Active Directory, IT infrastructure, ...); project planning and management; selection and management of service providers.
- TiSAX certification for one business unit; budget planning 2025 ff.
- Establishment and structuring of application operations, including the definition of operating models, SLAs/KPIs, and provider management in the SAP environment.
- Preparation of the operating organization for application operations of S/4 Hana (private cloud).
Marc H.
Last position:
Own AI Product Project & AI Training at Self-employed
- Built and validated SupportPiloten, an AI-powered content operations service; won the first paying pilot customer
- Tested agentic workflows with Claude Code and Codex for analysis, research, documentation, and prototyping
- Continued developing my own AI product; training in AI governance, AI compliance, and the EU AI Act (ongoing)
Christian B.
Last position:
External Commercial Advisor / Project Manager at Global automotive supplier for press and stamped parts
Automotive | Manufacturing | Commercial Excellence
- Analyzed sales strategy, product/market positioning, customer portfolio, acquisition approach, sales funnel, opportunity quality, and conversion.
- Developed a prioritized sales roadmap with quick wins and structural measures for target customers, pipeline, roles, routines, and management reviews.
Discover over 15,000 top freelancers
Statistics of experts using Go
Aggregated from the professional profiles of matched freelancers.
Experience
20 years

Position duration
3.1 years (Germany: 5.2 years)

Positions per freelancer
11

Top business areas
Project Management, Information Technology, Product Development

Top industries
Information Technology, Professional Services, Retail

Certification focus areas
Project Management, Information Technology, Product Development
Bachelor's degree or higher
87% (Germany: 89%)
Master's degree or higher
55% (Germany: 56%)
Doctorate
10% (Germany: 8%)

Certifications per freelancer
3

Most common languages
German, English, French

Speak two or more languages
98% (Germany: 97%)
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 Cologne 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 Cologne using Go
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.
Go 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 (65%)
- Professional Services (53%)
- Retail (37%)
- Manufacturing (36%)
- Banking and Finance (32%)
- Telecommunication (31%)
- Automotive (30%)
- Healthcare (25%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What Go is
Go is a statically typed, compiled language created at Google for practical systems programming. It combines a small language surface with fast builds, straightforward deployment and built-in concurrency through goroutines and channels. Teams often search for it as Golang, although the official name is Go.
What it builds
Go is used for network services, HTTP APIs, command-line tools, data pipelines and infrastructure software. Its low runtime overhead and simple deployment model suit workloads that must handle many connections while remaining easy to operate.
- Design REST, gRPC and event-driven services
- Build cloud infrastructure and internal tooling
- Create high-throughput gateways and workers
- Package portable command-line applications
Ecosystem and tooling
The standard library covers HTTP, testing, encoding, cryptography and concurrency fundamentals. Strong specialists work with modules, interfaces, generics where useful, profiling and race detection, plus tools such as Docker, Kubernetes, Terraform, Prometheus and OpenTelemetry. PostgreSQL, Redis, Kafka and common CI systems frequently sit beside Go services.
When expertise helps
Companies bring in freelance Go expertise when a service must be split into reliable components, when a prototype needs production hardening or when an existing codebase needs clearer ownership. Cologne teams may value professionals who can work on-site when needed while collaborating remotely in English or German.
- Replace fragile services with maintainable Go components
- Improve latency, throughput and resource use
- Establish testing, release and observability practices
- Connect Go systems to existing cloud platforms
What strong specialists know
Good Go professionals make trade-offs visible. They choose clear package boundaries, handle errors deliberately and understand cancellation, timeouts, backpressure and graceful shutdown. They also know when a simpler synchronous design is safer than adding concurrency, and can explain decisions to product, operations and security teams.
Choosing the right professional
Review production examples involving the same delivery risks as your project, not just a list of language features. Ask how the specialist tests concurrent code, measures performance, secures APIs and handles failures in distributed systems. For Cologne-based collaboration, clarify availability for workshops, overlap with local working hours and the expected balance of on-site and remote work.
Frequently asked questions
Curious about Go? Here are the answers that come up again and again.
Go is commonly used for backend APIs, network services, command-line tools, cloud infrastructure and data-processing systems. Its compiled binaries, strong standard library and concurrency model make it useful for services that need predictable operation and efficient resource use.
A strong Go solution often offers simpler syntax and faster builds than Java, with a smaller learning surface than Rust. Compared with Node.js, Go provides native concurrency and compiled deployment, while Node.js may fit teams centered on JavaScript across the stack. The right choice depends on performance needs, team skills and ecosystem constraints.
A capable Go specialist usually understands HTTP, REST, gRPC, SQL, message brokers and containerized deployment. Experience with Docker, Kubernetes, CI/CD, cloud services, observability and secure API design is especially useful for production systems.
The required depth depends on the system’s risk and complexity rather than a fixed number of years. For a small API, a professional who understands Go fundamentals, testing and deployment may be sufficient; distributed services, performance work and migrations call for proven production experience with Go.
Yes. Go projects work well remotely when the team documents interfaces, reviews code consistently and agrees on testing and release practices. Cologne companies can combine remote delivery with on-site workshops, using English or German according to the team’s needs.
Ask the specialist to explain package structure, error handling, context cancellation, testing strategy and observability choices in a relevant example. Review how the Go code handles failure, concurrency and change over time, rather than judging it only by brevity or benchmark claims.
Yes, Go is widely suited to microservices because it produces deployable binaries and has strong support for HTTP, networking and concurrency. The language does not remove distributed-systems problems, so the professional should also address service boundaries, retries, timeouts, idempotency, tracing and operational ownership.
A Go freelancer should clarify the target runtime, service boundaries, repository conventions, Go version, deployment environment and review process. It is also important to understand whether the work involves a new service, a migration from another language, performance tuning or ongoing ownership of an existing system.
The average hourly rate of freelancers in Cologne, Germany who have used Go in their recent projects is 110 €, which corresponds to a daily rate of about 877 € based on an 8-hour working day.
Of the freelancers in Cologne, Germany who have used Go in their recent projects, 87% hold at least a Bachelor's degree, 55% hold at least a Master's degree, and 10% hold a doctorate.
On average, freelancers in Cologne, Germany who have used Go in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 3.1 years.
The most common languages among freelancers in Cologne, Germany who have used Go in their recent projects are German (100%), English (96%), and French (23%).
The most common industries among freelancers in Cologne, Germany who have used Go in their recent projects are Information Technology (65%), Professional Services (53%), and Retail (37%).
The most common business areas among freelancers in Cologne, Germany who have used Go in their recent projects are Project Management (76%), Information Technology (70%), and Product Development (62%).
Main locations of FRATCH Experts, who have recently used Go
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.
Request a free demo
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