Senior Golang Developer (Freelance Consultant)

Position Overview:

We are seeking a talented and experienced Senior/Software Developers to join our dynamic team. The ideal candidate will have a strong background in software development, with expertise in Golang, web services, database integration, testing methodologies, and software design patterns. Additionally, familiarity with Scala, Akka HTTP, and Java Spring Boot is highly desirable. The successful candidate will play a key role in designing, developing, and maintaining high-quality software solutions that meet the needs of our clients and contribute to the success of our projects.

Key Responsibilities:

• Design, develop, and maintain web services using Golang and the Gin framework

• Consume OpenAPI schemas to generate types, HTTP handlers, and HTTP clients using tools like oapi-codegen

• Utilize software design patterns, including ports and adapters, to ensure scalability and maintainability of codebase

• Integrate with databases using drivers like pgx

• Develop unit tests and integration tests, leveraging frameworks such as httptest and testcontainers

• Utilize open telemetry and honeycomb for instrumentation, propagating trace contexts to and from services

• Parse and write files in common formats such as CSV, JSON, YAML, and XML

• Create and maintain configuration files in dotenv and hocon formats

• Create HTTP clients to interact with APIs from other services; clients will need to handle passing through proxies

• Develop similar web services using Scala and Akka HTTP

• Bonus: Ability to create similar web services using Java Spring Boot

• Create Web UIs using react, Vite, and npm

• Utilize Git workflows such as feature branch workflow and Gitflow for version control

• Create containers and utilize Docker Compose, including wait strategies for services

• Develop README files in Markdown format for project documentation

• Collaborate with cross-functional teams to deliver high-quality software solutions

Requirements:

• Proficiency in Golang, including implementing web services using the Gin framework

• Experience with OpenAPI schemas, generating types, HTTP handlers, and HTTP clients

• Strong understanding of software design patterns, including ports and adapters

• Familiarity with database drivers like pgx, SQL, and database integration

• Knowledge of testing methodologies, including unit testing and integration testing

• Experience with parsing and writing files in common formats such as CSV, JSON, YAML, and XML

• Ability to create HTTP clients to interact with APIs from other services

• Familiarity with Scala, Akka HTTP, and Java Spring Boot is a plus

• Experience with Git workflows such as feature branch workflow and Gitflow

• Proficiency in creating containers and utilizing Docker Compose

• Strong communication and collaboration skills

• Ability to work in a fast-paced, dynamic environment

Preferred Qualifications:

• Experience with Selenium and Playwright for automated testing

• Familiarity with the Jacob Java COM Bridge

• Knowledge of Azure DevOps for managing work items, Git repositories, wiki, and CI/CD pipelines

• Experience with open telemetry and honeycomb for instrumentation

Key Skills

• Java
• Golang