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I have a codebase written in Go that needs an extra pair of experienced hands. The exact scope ranges from adding new features and refining existing logic to tightening up unit tests and preparing the code for smooth deployment. The work may touch web handlers, background workers, and a few REST-style endpoints, so a good grasp of idiomatic Go, concurrent patterns, and standard library networking packages will be valuable. Clean, well-documented code is a must, and I expect commits to be structured and easy to review. If you are comfortable with Git workflows and can articulate your design decisions as you go, you will fit right in. Deliverables I need to see: • Updated Go source pushed to a shared Git repository • Brief inline documentation plus a concise README explaining build/run steps • Passing unit tests that cover the new or modified logic In your proposal, please highlight one Go project you are proud of, note any experience integrating with databases or external APIs, and let me know your typical turnaround time for small iterations. I am ready to start as soon as I find the right match.
Project ID: 40197110
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Active 2 mos ago
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Hi, this Go codebase needs a steady hand to extend features, harden logic, and make the system production-ready across handlers, workers, and REST endpoints. I’ve worked extensively with idiomatic Go, goroutines, channels, and net/http, improving existing services while keeping concurrency safe, readable, and testable. My approach would be to first stabilise and refactor the touched modules, then implement new features behind clear interfaces, followed by tightening unit tests around business logic and edge cases. I’ve integrated Go services with SQL/NoSQL databases and third-party APIs, and I’m very disciplined about clean commits, clear diffs, and documenting design decisions so reviews stay smooth. I’d be happy to collaborate closely and communicate continuously as we iterate on the codebase.
$100 USD in 3 days
2.5
2.5
48 freelancers are bidding on average $148 USD for this job

Hi, I understand the critical need for an experienced hand to enhance your Go codebase with clean, well-documented, and robust functionality. With extensive experience in Go, especially working with concurrent patterns, REST endpoints, and idiomatic practices, I can help refine your logic, add valuable features, and ensure thorough unit testing for production readiness. I prioritize clear Git workflows and structured commits, making collaboration and code reviews efficient. One Go project I’m proud of involved building a concurrent API server integrating PostgreSQL and external payment gateways, which demanded precise concurrency control and API management. My typical turnaround for small iterations is 1-2 days, ensuring steady progress. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. Could you share more details about the existing deployment environment and any CI/CD pipelines currently in use? Looking forward to your reply so we can finalize the exact plan. Best regards, Asad
$95 USD in 5 days
6.1
6.1

Hello! I understand you are seeking an experienced Golang developer to enhance your codebase. I have substantial experience in Go, having previously worked on a project where I successfully integrated REST APIs with databases, resulting in improved application performance and user satisfaction. ✅My Plan: - Analyze your existing code and identify areas for enhancement. - Add new features and refine existing logic based on your requirements. - Tighten up unit tests and ensure comprehensive coverage. - Prepare deployment scripts and documentation to ensure a seamless process. - Push all changes to your shared Git repository with structured commits and detailed inline docs. Regarding the typical turnaround time for small iterations, I usually complete them within 3-5 days, depending on the complexity. Best regards, Hongqiang Chen
$190 USD in 2 days
5.2
5.2

Hi there, I’m excited about the opportunity to contribute to your Go codebase and enhance it with my experience. I have successfully led projects involving feature additions, code refinement, and unit testing in Go. One project I’m particularly proud of involved developing a RESTful API with robust unit tests and clean documentation, ensuring smooth deployment. My proficiency with idiomatic Go, concurrent patterns, and standard library networking packages will enable me to handle web handlers and background workers effectively. I am committed to producing clean, well-documented code and use Git for structured commits that are easy to review. I can deliver updated source code, complete with inline documentation and comprehensive README and ensure all unit tests pass. For small iterations, I typically require around 10 days.
$250 USD in 10 days
5.4
5.4

Hello, I recently worked on a Go-based backend where I added new REST endpoints, refactored concurrent workers, improved test coverage, and prepared the service for containerized deployment. The codebase required clean, idiomatic Go, clear commit history, and strong documentation, which aligns closely with what you need. For your project, I can add and refine features, strengthen unit tests, improve concurrency patterns, and ensure handlers, workers, and APIs follow best practices. I am comfortable with Git workflows, writing review-friendly commits, and clearly explaining design decisions. I also have experience integrating Go services with SQL/NoSQL databases and external APIs. I can start your project immediately and will deliver clean, well-documented code with passing tests and a concise README. Best regards, Elenilson
$140 USD in 7 days
5.3
5.3

Experienced Golang Developer Needed I’m a full-stack software engineer with expertise in React, Node.js, Python, and cloud architectures, delivering scalable web and mobile applications that are secure, performant, and visually refined. I also specialize in AI integrations, chatbots, and workflow automations using OpenAI, LangChain, Pinecone, n8n, and Zapier, helping businesses build intelligent, future-ready solutions. I focus on creating clean, maintainable code that bridges backend logic with elegant frontend experiences. I’d love to help bring your project to life with a solution that works beautifully and thinks smartly. To review my samples and achievements, please visit:https://www.freelancer.com/u/GameOfWords Let’s bring your vision to life—connect with me today, and I’ll deliver a solution that works flawlessly and exceeds expectations.
$140 USD in 7 days
5.1
5.1

Hello Paul H., I am a seasoned Golang developer with a strong track record in enhancing codebases and implementing new features. Your project aligns perfectly with my expertise in Go, concurrent patterns, and networking packages. I pride myself on delivering clean, well-documented code that is easy to review and maintain. One project I am particularly proud of is https://www.freelancer.com/u/SajidaSaqira/SS-Technologies It showcases my proficiency in developing robust and efficient solutions using Go. I have extensive experience integrating databases and external APIs, ensuring seamless communication between different components. I am eager to discuss how I can contribute to your project and provide quick turnaround times for small iterations. Let's connect to explore how I can add value to your codebase. Best regards, Sajida Saqira
$80 USD in 7 days
4.9
4.9

Hello Paul, I came across your project Experienced Golang Developer Needed and I am very interested in working with you. I have reviewed your requirements and fully understand the scope and expectations. I specialize in Golang, Agile Development, Software Development, Git, Web Development, Documentation, API Development, REST API and have successfully delivered similar projects before. I am committed to delivering high-quality work with reliability, clarity, and professionalism. I work transparently throughout the project so progress, deadlines, and expectations stay clear at every stage. I would be glad to discuss further details and am ready to start immediately. Looking forward to hearing from you. Regards, Anum
$90 USD in 1 day
4.9
4.9

With over a decade of experience as a Certified WordPress Developer, my versatility is my greatest asset. My team and I are well-versed in various programming languages, including Go. I'm proud to mention that we were instrumental in the successful development of a complex Go application for a leading eCommerce company last year. Our expertise extends beyond the just the language; we have vast experience integrating databases and third-party APIs, skills which I believe will be vital for your project. I empathize with the need for clean code, thorough documentation, fast turnaround times, and well-structured Git commits that are easy to review. These factors have always been the bedrock of our service delivery. We ensure every delivered code meets these benchmarks, supplemented by on-point inline documentation and comprehensive README files to ease future builds and runs. Lastly, we value effective communication during project execution to maintain alignment with client objectives. Our approach is centered around ownership, so once the project commences, you can trust that your codebase will be in experienced and efficient hands. As a Top Rated freelancer with consistent 5-star reviews, choosing me and my team will not just mean hiring another developer; it means entrusting your project to highly proficient professionals who know how to deliver quality work on time. Let's connect and get your project rolling!
$199 USD in 15 days
4.5
4.5

⭐Hi, I’m ready to assist you right away!⭐ I believe I’d be a great fit for your project since I have extensive experience in Golang, especially working with idiomatic Go, concurrent patterns, and REST-style endpoints. I value clean, well-documented code and efficient Git workflows, which matches your need for structured commits and clear design communication. I’ve successfully delivered Go projects involving web handlers and background workers, and integrated APIs and databases to enhance functionality. This project will solve your need for scalable, maintainable backend code with robust unit tests, streamlining future deployment and feature expansion. I can ensure smooth, fast iterations with readable code and clear inline documentation. If you have any questions, would like to discuss the project in more detail, or would like to know how I can help, we can schedule a meeting. Thank you. Maxim
$30 USD in 6 days
4.4
4.4

Hello, I’ll approach this by first running the test suite and linters to identify immediate failures, then tackle high-priority features and concurrency hotspots across web handlers, background workers, and REST-style endpoints. I will refactor with idiomatic Go patterns, add/strengthen unit tests, and push small, reviewable commits with clear PR descriptions. Deliverables will include updated source in your repo, concise inline docs and a README with build/run steps, and passing tests covering changed logic. I led development of a Go payments microservice (Postgres, Redis, Stripe) with idiomatic concurrency and solid test coverage, and I’ve integrated several external APIs and databases in production systems. Typical turnaround for small iterations is 24–48 hours. I can start after I receive read access to the repository and a prioritized task list. Which component should I prioritize first (web handlers, background workers, or a specific REST endpoint), and can you grant read access to the repo and share current failing tests or CI logs? Best regards,
$200 USD in 2 days
4.6
4.6

Hi, there, I am an experienced Go developer with a strong grasp of idiomatic Go and concurrency patterns. I recently completed a project enhancing a web service with RESTful endpoints and improving its API integration. For your codebase, I’ll ensure clean, well-documented code with structured commits. My deliverables will include updated code in your Git repository, inline documentation, and comprehensive unit tests. My typical turnaround for small iterations is 1-2 days. Let’s optimize and refine your application together!
$200 USD in 3 days
4.2
4.2

Hey , I just went through your job description and noticed you need someone skilled in API Development, REST API, Documentation, Git, Golang, Agile Development, Software Development and Web Development. That’s right up my alley. You can check my profile — I’ve handled several projects using these exact tools and technologies. Before we proceed, I’d like to clarify a few things: Are these all the project requirements or is there more to it? Do you already have any work done, or will this start from scratch? What’s your preferred deadline for completion? Why Work With Me? Over 180 successful projects completed. Long-term track record of happy clients and repeat work. I prioritize quality, deadlines, and clear communication. Availability: 9am – 9pm Eastern Time (Full-time freelancer) I can share recent examples of similar projects in chat. Let’s connect and discuss your vision in detail. Kind Regards, Zain Arshad
$30 USD in 3 days
4.1
4.1

⭐ If you award me, your smile shows up ⭐ Hi , Your project immediately stood out to me—it closely matches work I’ve completed successfully in the recent past. The core challenges, structure, and technical requirements are very familiar, with only a few unique elements that align perfectly with my expertise. This is great news for you: it allows me to skip the usual ramp-up time, avoid trial-and-error, and deliver clean, high-quality results quickly and confidently. I bring hands-on experience with Software Development, Documentation, Agile Development, Golang, Git, API Development, REST API and Web Development, along with proven workflows and best practices refined through multiple similar projects. You can view a directly relevant example in my portfolio here: https://www.freelancer.com/u/thomasb726 I’d be happy to discuss your specific goals in more detail and share tailored ideas based on what has worked best in comparable scenarios. Why clients choose—and continue working with—me: • Clear, proactive communication so you always know where the project stands • Strong respect for your deadlines, budget, and business reputation • Responsive, approachable, and focused on a smooth, stress-free process • Reliable post-delivery support that often leads to long-term partnerships If you’re looking for precise execution, high-quality results, and a dependable long-term partner, I’d love to connect and help bring your project to life. Best regards, Tom
$150 USD in 1 day
3.8
3.8

Hello, I hope you are doing well. This Go-focused work fits my experience with idiomatic Go, concurrency patterns, and building reliable APIs. I emphasize clean, well-documented code and Git-driven workflows, with thoughtful commits and review-ready PRs. One project I’m particularly proud of is a Go-based API gateway for a microservices stack. I built REST endpoints, implemented worker pools for background tasks, and integrated PostgreSQL through database/sql as well as an external REST API for data enrichment. I focused on robust error handling, concurrency control, and maintainable tests. I avoid external links and timelines in descriptions, focusing on solid execution. I can handle the work end-to-end: new features, refining logic, and deployment prep, with concise inline docs and a short README explaining build/run steps. I’ll push updates to a shared Git repo, ensure tests pass, and keep commits clean and reviewable. Please feel free to contact me so we can discuss more details. I am looking forward to the chance of working together. What would you like me to prioritize first? Best regards, Billy Bryan
$250 USD in 3 days
3.7
3.7

Hello,there Thank you for posting your project, "Experienced Golang Developer Needed." I've read the description carefully and am confident that I can successfully complete this project. I have over 7 years of experience in REST API, API Development, Web Development, Git, Agile Development, Golang, Software Development and Documentation. I have done some projects as smiliar as this one. I can share my previous project experience if you'd like. I enjoy learning new technologies and taking on challenges, even those that seem impossible. I'm very interested in this project and am confident that I can deliver the best results possible without stress. I look forward to working with you. Thank you, Boris
$30 USD in 2 days
3.1
3.1

Hello, I’m Jordan Rafael, and I’ve reviewed your request for an experienced Golang developer to add features, refine logic, tighten unit tests, and prep for deployment. You’ll touch web handlers, background workers, and REST endpoints, so idiomatic Go, concurrency patterns, and solid unit tests matter. I work with clean, well-documented code, and I follow structured Git workflows with transparent design decisions. One Go project I’m proud of: a high-throughput REST API for a payments workflow, built in Go with PostgreSQL and Redis, featuring robust tests and containerized deployment (Docker) and simple rollback plans. Plan: deliver updated Go sources to a shared Git repo, inline docs plus a concise README with build/run steps, and passing unit tests for new/modified logic. I’ll keep commits clean, code reviews quick, and documentation tight. If you have a preferred database or external API for integration, I’ll align quickly. I typically deliver small iterations within 1–3 days, and can accelerate with parallel work if needed. Best regards, Jordan Rafael
$50 USD in 3 days
3.2
3.2

Hello, I’m excited about the opportunity to collaborate on your Go codebase enhancement project. With extensive experience in idiomatic Go, including concurrent patterns and networking packages, I can efficiently add features, refine logic, and ensure smooth deployment readiness. I pride myself on clean, well-documented, and maintainable code with structured commits that simplify reviews. I’m comfortable articulating design choices and have a solid background working with Git workflows. A Go project I’m especially proud of involved designing a concurrent REST API server that integrated multiple external APIs and a PostgreSQL database with seamless data synchronization. For small iterations like yours, I typically deliver within 1-2 days, ensuring quality and thorough testing. I look forward to pushing updated sources, concise documentation, and comprehensive unit tests to your repository promptly. Let's get started and bring your project to its next level! Could you share more details about the existing codebase's architecture and the types of external APIs or databases currently integrated? Best regards,
$155 USD in 20 days
3.3
3.3

Hello, I am highly interested in your project and excited about the opportunity to contribute to your Go codebase. Based on your requirements, I will focus on adding new features and refining existing logic while adhering to Go idioms. For concurrent patterns, I will utilize Go’s goroutines and channels to ensure efficient, non-blocking execution. In terms of networking, I will leverage the standard library's HTTP and net packages for web handlers and REST endpoints. I'll ensure that unit tests cover the new or modified logic and follow clean code practices with detailed inline documentation. Could you clarify which database or external APIs the project integrates with? Additionally, are there any specific deployment platforms you're targeting? For small iterations, my typical turnaround time is 1-2 days depending on the complexity. I look forward to hearing from you. Thank you.
$140 USD in 7 days
2.8
2.8

Hi Paul H., I am a Go developer with 5+ years building backend services. I can help add features, clean logic, improve tests, and prepare code for deployment. One Go project I am proud of is a payments microservice I built that handles web handlers, background workers, and graceful shutdowns. I have integrated Go services with PostgreSQL, Redis, and external APIs like Stripe and other REST endpoints. I write clear commits, inline docs, and short READMEs. I am comfortable with concurrency patterns, standard library networking, and Git workflows. I will push changes to your repo and provide passing unit tests for new or changed code. Do you have any coding standards or test coverage targets I should follow? Best regards, Saad J.
$150 USD in 3 days
2.5
2.5

Hi , Good morning! I can complete this project quickly and professionally. I’m a Senior Software Developer with 13+ years of experience delivering production-grade systems for global clients. I focus on results: clean architecture, fast execution, and long-term stability. I’ve handled similar work before and can jump in immediately without onboarding delays. I have strong experience with Agile Development, Documentation, Web Development, API Development, REST API, Software Development, Git and Golang and related technologies. For more information, please review my portfolio. Ready to start right away. Thanks & Regards Eduard Shypovych
$145 USD in 2 days
2.1
2.1

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