Discover Golang Projects on Upwork with Vollna

I'm seeking an expert who can help change my current blockchain authoritative consensus system to a Proof of Validation mechanism on the Ethereum network.

Key Requirements:
- The blockchain application primarily deals with financial transactions, hence the need for a robust and secure consensus mechanism.
- I'm open to having validators approved or disapproved by a master node. This requires setting up a master node and implementing the necessary logic and checks.

Ideal Skills and Experience:
- Extensive experience with Ethereum and its consensus mechanisms.
- Proven track record in blockchain development, particularly in creating and managing nodes.
- Strong understanding of financial transaction security on blockchain.
- Experience with designing and implementing Proof of Validation systems.

Please provide examples of relevant past projects in your proposal.

Skills: Golang, Bitcoin, Blockchain, Ethereum, Rust

We are looking for a Senior Front-End Developer with expertise in Next.js v15 to help build a user-friendly and secure dashboard for our payments platform. The ideal candidate has deep experience with React and component development, can work effectively from mockups, and is comfortable making product decisions in a fast-moving startup environment.

The right candidate will have excellent Next.js / Typescript skills and a strong appreciation for UI/UX.

The front-end Next.js application communicates with a golang backend, which drives the payments and business logic.

Skills: Next.js, TypeScript, Tailwind CSS, React, CSS, HTML5

We're seeking an expert in Go High Level to assist with A2P (Application-to-Person) functions. The ideal candidate will have extensive experience with the platform and a deep understanding of A2P messaging capabilities. Your role will be to optimize our A2P messaging processes and ensure compliance. If you're passionate about Go High Level and have a proven track record, we want to hear from you!

Skills: C++, Golang, Python, Unity, JavaScript

I'm seeking an expert who can help change my current blockchain authoritative consensus system to a Proof of Validation mechanism on the Ethereum network.

Key Requirements:
- The blockchain application primarily deals with financial transactions, hence the need for a robust and secure consensus mechanism.
- I'm open to having validators approved or disapproved by a master node. This requires setting up a master node and implementing the necessary logic and checks.

Ideal Skills and Experience:
- Extensive experience with Ethereum and its consensus mechanisms.
- Proven track record in blockchain development, particularly in creating and managing nodes.
- Strong understanding of financial transaction security on blockchain.
- Experience with designing and implementing Proof of Validation systems.

Please provide examples of relevant past projects in your proposal.

Skills: Golang, Bitcoin, Blockchain, Ethereum, Rust

We are seeking an experienced Golang developer to lead the architecture and conversion of our existing Python-based API to a Go-based design. The ideal candidate will focus on enhancing performance, scalability, and security throughout the migration process. Your expertise in Golang and system design will be critical to achieving our goals. If you have a passion for building efficient and robust APIs, we would love to hear from you!

Skills: API, RESTful API, Python, Golang

We are looking for a skilled freelancer to assist with creating chatbots using Closebot on the Go High Level platform. The ideal candidate will have experience in chatbot development and a solid understanding of how to leverage this tool effectively. Your expertise will help us streamline our communication processes and enhance customer engagement. If you have a passion for innovative automation solutions, we want to hear from you!

Skills: Chatbot Development, Python, Golang, Lead Generation, API

We are looking for a skilled game developer to join our team for an exciting project. The ideal candidate will have experience in game design, programming, and implementing graphics. You will be responsible for creating an engaging gameplay experience, optimizing performance, and collaborating with artists and designers. If you are passionate about gaming and have a strong portfolio, we want to hear from you!

Skills: C#, TypeScript, JavaScript, C++, Rust, Golang, NestJS, ASP.NET, React, Next.js, Node.js

We’re looking for an experienced AI engineer or developer to help us build a Retrieval-Augmented Generation (RAG) system powered by the content in our Notion workspace. This is Phase 1 of a long-term plan to turn our internal documentation into a smart, API-accessible "business brain" that can eventually support quoting, support, and ops questions via chatbot or automation.

We’re starting with the backend + API architecture only for this phase — no chatbot or front-end yet.

About Us:
We run a custom apparel and promotional products business that’s growing fast. Our team uses Notion heavily to manage SOPs, pricing, product specs, vendor catalogs, and training documentation. We want to make that data queryable in real-time by plugging it into a modern RAG pipeline.

What We Need (Phase 1):

Extract or sync structured content from Notion (via Notion API or export)

Process that content into a format suitable for embedding (e.g. markdown/JSON)

Store embeddings in a vector database (e.g. Pinecone, Weaviate, Qdrant)

Build a RAG pipeline using LangChain, LlamaIndex, or similar frameworks

Set up an API endpoint (e.g. via FastAPI or Flask) that accepts queries and returns AI-generated responses (with source reference)

Ensure system is modular and can be extended in future phases (chatbot, Slack, website)

What You Won’t Be Doing:

No manual cleanup of messy Notion docs — our VAs are handling that grunt work.

You’ll be provided with structured, tagged, clean documentation ready for embedding.

No front-end chatbot or Slack integrations for now — this phase is backend/API only.

Tech We Expect You to Use (But Open to Suggestions):

Notion API
LangChain, LlamaIndex, or similar orchestration tools
OpenAI or open-source models for embeddings + generation
Pinecone, Weaviate, or Qdrant for vector storage
FastAPI or Flask for API interface
GitHub for versioning

What’s Coming (Phase 2):

Chatbot integration (Slack, website, or CRM-based)

Use case expansion (e.g. quoting logic, SOP routing, client support)

Interfacing with tools like Monday.com, Make.com, Gmail, etc.

Budget:
💰 $1,000 USD for Phase 1.
We're open to revisiting budget/scope for Phase 2 if this foundation is solid.

To Apply, Please Include:

Any past RAG/vector database/Notion-related projects

Your go-to tech stack for something like this

Timeline/availability for Phase 1 (target completion: ~2 weeks)

This is a great project if you enjoy clean architecture, AI tools, and working directly with a founder on a fast-moving business.

Skills: Database, Python, API, Web Development, AI Agent Development, RESTful API, Java, Golang, Notion, Make.com

Project Overview:
We are developing a critical healthcare application that leverages AI-driven voice signal analysis to support Emergency Medical Dispatchers (EMDs). This role specifically focuses on optimizing our software solutions at a very low level to ensure peak performance and reliability on ARM-based embedded systems used in urgent medical contexts.

Responsibilities:

Perform deep low-level optimization of existing signal processing and AI inference codebases.

Identify bottlenecks and implement performance improvements in C++, Go, or Rust.

Work directly on ARM architectures to ensure maximal efficiency and minimal latency.

Profile and benchmark embedded software to guide optimization strategies.

Collaborate closely with signal processing and AI integration teams to ensure coherent technical solutions.

Required Skills and Qualifications:

Extensive experience in low-level software optimization and embedded programming (C++, Go, Rust).

Strong understanding of ARM architectures and optimization techniques.

Demonstrated experience with profiling tools and performance analysis.

Proven track record of improving software performance, reducing latency, and optimizing resource utilization.

Solid knowledge of systems programming, memory management, and concurrency.

Preferred Qualifications:

Previous experience optimizing software for healthcare or emergency response applications.

Familiarity with AI model deployment and optimization on embedded systems.

What We Offer:

Contribute to life-saving technology in a meaningful healthcare context.

Fully remote position with flexible hours.

Competitive compensation based on experience and proven optimization expertise.

Please include examples demonstrating significant performance optimizations and low-level engineering projects you've successfully completed.

Skills: C++, Python, Golang, Rust

There is a Go based open-source plugin for a chat platform which translates messages using Amazon translate. You need to adjust the plugin to translate messages automatically rather than clicking on "Translate" option for every messages. Here is the source code:

https://github.com/mattermost-community/mattermost-plugin-autotranslate

Skills: Golang

Sir good day.. may project po sana ako papa gawa para sa department namin.. nasa ems po kami ambulance. Ang problema po kasi nmin is your reporting ng mga nagamit na medical items sa trauma bags namin.. meron po kaming 12 Trauma Bags at 2 Mission Bag, each bags po has 7 pocket.. like example sa pocket 1 meron doon splints, bandage, sa pocket 2 merong fluids, p.o na gamot like paracetamol, hangang sa pocket 7 which is iba2x.. now mangyari gusto ko sana interactive yung reporting mas maigi

Skills: Ecommerce, Full-Stack Development, Mobile App, Web Scraping, Web Crawling, Automation Framework, Excel Macros, Desktop Application, AI Agent Development, AI App Development, API Development, API Integration, Golang, Generative AI, Bot Development

We are seeking a skilled Technical Product Manager with a strong background in healthcare and SaaS. The ideal candidate will have experience managing products that utilize technologies such as Rails, Next.js, Golang, and AWS. You will be responsible for defining product vision, collaborating with engineering teams, and ensuring that the product meets market needs. Your expertise will help guide development and drive successful outcomes in a fast-paced environment. If you have a passion for improving healthcare through technology, we want to hear from you!

Skills: Product Management, Project Management, Product Roadmap, SaaS, Agile Project Management

We are seeking a skilled backend developer with proficiency in Golang to join our team. The ideal candidate will have experience in developing robust, scalable applications and APIs. You should be familiar with cloud services and database management. Your expertise will help us enhance our existing systems and create new solutions. If you are passionate about coding and possess strong problem-solving skills, we want to hear from you!

Skills: Golang, RESTful API, API

We are seeking a skilled Full Stack Developer proficient in Golang to join our team. The ideal candidate will be responsible for backend applications, ensuring seamless integration between the CRM end and the back end. You will work closely with our product team to deliver high-quality solutions. Strong problem-solving skills and a passion for coding are essential. Prior full stck development experience is required.

Skills: Google Cloud Platform, API, Golang, JavaScript, API Integration

I'm seeking an expert who can help change my current blockchain authoritative consensus system to a Proof of Validation mechanism on the Ethereum network.

Key Requirements:
- The blockchain application primarily deals with financial transactions, hence the need for a robust and secure consensus mechanism.
- I'm open to having validators approved or disapproved by a master node. This requires setting up a master node and implementing the necessary logic and checks.

Ideal Skills and Experience:
- Extensive experience with Ethereum and its consensus mechanisms.
- Proven track record in blockchain development, particularly in creating and managing nodes.
- Strong understanding of financial transaction security on blockchain.
- Experience with designing and implementing Proof of Validation systems.

Please provide examples of relevant past projects in your proposal.

Skills: Golang, Bitcoin, Blockchain, Ethereum, Rust

⸻

Job Title: Part-Time Go Developer (Ad Tech Platform – Remote, Night Shift)

Work Hours:
3 hours/day (9:00 PM IST to 12:00 AM IST)
5 days a week (flexible if needed)
Remote – Access via AnyDesk

Job Description:
We’re looking for a part-time Go developer to support our engineering team in building and refining integration tests for a fast-moving ad tech platform. You’ll be working hands-on with production-grade code and helping ensure stability and correctness as we scale.

What You’ll Do:
• Understand core components of our ad tech infrastructure
• Write Go-based integration tests from scratch or improve existing ones
• Work collaboratively via AnyDesk in real-time with our team during IST night hours
• Debug issues and help improve test coverage and reliability

Requirements:
• Strong experience with Go (Golang)
• Good understanding of REST APIs, HTTP, and backend systems
• Experience writing integration or E2E tests in Go
• Familiarity with tools like Postman, curl, and any testing frameworks in Go
• Quick learner, able to understand complex systems with limited documentation

Nice to Have:
• Exposure to ad tech or programmatic advertising ecosystems
• Experience working with Docker or microservices
• Familiarity with CI/CD pipelines and test automation best practices

Other Details:
• Compensation will be project-based or hourly (as per agreement)
• You’ll work directly with the core tech team and get exposure to production systems
• We’re looking for someone reliable, self-motivated, and detail-oriented

⸻

Skills: JavaScript, Data Visualization, Next.js, Golang, React, Node.js, TypeScript, OpenAI API, MongoDB

Hello!
I have a big job for you in the Solana space. I am trying to create a Solana token launcher similar to pump.fun. We would love for you to build the backend of this project, and we are in the process of getting the front end worked on. If you feel that you can do the frontend as well we would love to hire you for that as well. The token launcher is called Vantixa and to learn more are twitter is @Vantixa.

Here is a list of skills that we made but of course we don't know exactly what is needed.
Backend Developer Task List for Vantixa



1. Solana Smart Contract (Rust + Anchor)

• Build a smart contract that:

• Creates a new SPL token with user-defined name, symbol, and supply

• Supports optional toggles:

• Buy lock

• Sell lock

• Cooldown / anti-bot delay

• Auto-lock supply

• Emits on-chain events for indexing (token launched, creator address, settings used)

2. Auto-Liquidity Integration

• Use user-provided SOL to:

• Create a liquidity pool (Raydium, Orca, or Meteora)

• Pair the new token with SOL or USDC

• Confirm successful LP creation on-chain

3. API & Launch Indexing

• Build a lightweight backend (Node.js + Express or similar) that:

• Records every token launched via Vantixa

• Stores: token address, creator wallet, launch time, selected toggles, LP status

• Serves a /tokens endpoint for frontend to display launched tokens

4. Wallet Transaction Handling

• Integrate Solana Wallet Adapter

• Ensure frontend connects to wallet and:

• Signs token launch transactions

• Signs LP creation transactions

• Handles transaction failures gracefully

5. Security & Ownership Management

• Ensure tokens are:

• Properly owned or ownership renounced/locked based on settings

• Safe from unauthorized minting or manipulation

• Add limits (e.g. max supply cap, token name validation)

6. Developer Docs or Hand-off Guide

• Brief documentation for:

• Smart contract structure

• API endpoints

• How to deploy/update contract if needed

Skills: HTML, CSS, JavaScript, TypeScript, React, Vue.js, Next.js, Angular, Python, Golang, Rust, PHP, Laravel, Solidity, Node.js

Title:
Frontend Developer with React/Next.js Experience (Typescript & Component Libraries)

Description:
We are looking for a skilled frontend developer/designer to join our project on a contract basis. The ideal candidate is someone who can hit the ground running with modern frontend frameworks and deliver clean, scalable code and UI.

Requirements (Must-Have):
• Proficient in React and/or Next.js
• Strong understanding and usage of Typescript
• Experience with at least one component library (Material UI, Ant Design, Chakra UI, etc.)

Bonus Skills (Nice to Have):
• Experience with Tailwind CSS
• Familiarity with Golang (especially in a full-stack context)

We value clean UI, reusable components, and collaborative communication. If this sounds like a fit, we would love to hear from you. Please include examples of past work, GitHub links, or portfolio items that showcase your frontend experience.

Skills: Landing Page, Web Application, React, JavaScript, HTML, Node.js

Design, develop, and implement seamless integration of ChatGPT into the company’s website.
Optimise the performance and responsiveness of the ChatGPT model to ensure a smooth user experience.
Customize and fine-tune the ChatGPT model to align with company-specific needs and industry standards.
Troubleshoot and resolve any issues related to the integration and functionality of ChatGPT. Regular checks to maintain chat gpt performance.

Skills: Python, Flask, API Development, Amazon S3, Amazon ECS, MongoDB, Node.js, Django, TypeScript, Golang, DevOps Engineering, CI/CD, Terraform, Azure DevOps, AWS Lambda, ExpressJS, React

Job Summary:
We are seeking for a Flutter Developer to join our team, with 3 to 5 years in experience for a 3 month duration project. Your role is to clean and improve existing functionality for an application made in Flutter, while implementing new designs and maintaining a clean code.

Key Responsibilities:
* Collaborate with the develop team to maintain an application and possibly add new features.
* Ensure the application matches our UI/UX designs.
* Integrate third-party services and connections with APIs.
* Participate in code reviews.

Required Skills and Qualifications:
* Mid-level expertise in Flutter, and core libraries/methodologies like Bloc, Design Patterns.
* At least 3 years of experience working with Flutter.
* Experience creating responsive designs.
* Experience with geolocation, Google Maps, and payment gateways.
* Strong problem-solving skills and attention to detail.
* Excellent written and verbal communication skills.
* Proven ability to work independently in a remote setup.
* Strong teamwork and collaboration skills.
* Familiar with agile development methodologies.
* Experience in building large scale applications.
* Best practices for full software development life cycle
* Source control with Git
* Advanced English.

Preferred Qualifications:
* Spanish is good to have.
* IT Infrastructure.
* Knowledge in Python or Golang.
* CI/CD.

What we offer:
* 100% remote work
* Payment in USD.
* Growing opportunities throughout mentoring and training

Skills: API Integration, Flutter, Dart, Firebase, Smartphone

About Us:

We are a growing startup from Germany seeking a **Senior Golang Backend Developer** to join our innovative team. This is a remote opportunity where you'll work with cutting-edge technologies to build scalable and efficient backend systems.

Our app digitizes cloakrooms at event venues across Europe, creating a seamless and cashless experience using payment terminals.


Key Responsibilities:

- Develop backend systems using Go (Golang), the Gin web framework, and OpenAPI / Swagger.
- Build and maintain RESTful APIs for integration with our web frontend, Android app, and third-party services.
- Design and manage platform data using MariaDB and InfluxDB.
- Write clean, efficient, and well-documented code for high-performance applications.
- Collaborate with cross-functional teams to deliver high-quality features and enhancements.


Requirements:

- 5+ years of experience in backend development with Go (Golang).
- Strong experience with the Gin framework and RESTful APIs.
- Proficient with MariaDB and InfluxDB.
- Hands-on experience integrating third-party APIs (e.g., payment providers, financial services).
- Ability to work independently in a remote environment.
- Proactive communication
- Strong problem-solving skills and attention to detail.



Tech Stack:

Go (Golang), Gin, RESTful APIs, OpenAPI / Swagger, MariaDB, InfluxDB



We Offer:

- Flexible working hours and remote-friendly collaboration.
- Clear, structured tasks defined by our CTO (an experienced senior full-stack engineer).
- Supportive project management via Jira.
- A learning-oriented environment with a helpful and experienced counterpart developer.
- Long-term freelance opportunity.



Important Notes:

- If you contact us outside of Upwork, your application will not be considered and will be reported to Upwork.
- An NDA must be signed prior to the start of the engagement.



If you're an experienced Golang developer passionate about building high-performance backend systems, we want to hear from you. Apply today!

Skills: MariaDB, Git, Golang, RESTful API, OpenAPI

We need a skill developer that is able to fix out script that runs on AWS written in GOLang. This script has a bug in a specific place and we can provide access to the backend and detailed informations on how the system works and what it should do.

Skills: AWS Lambda, MySQL, Golang

We are seeking a senior Golang developer with extensive experience in building and maintaining high-performance applications. The ideal candidate should have a proven track record of delivering successful projects and be well-versed in Golang best practices. You will be part of a dynamic team and contribute to innovative solutions. Strong problem-solving skills and the ability to work collaboratively are essential. If you are passionate about Golang and looking to take on challenging projects, we would love to hear from you!

Skills: Golang, API, JavaScript, RESTful API

Looking to bring on board a talented engineer who wants to bring to life this Ai automation in the Cyber Space. We have a secret weapon in one co-founder already being in sales in Cyber, so has a roster of potential clients. It is just the two of us currently and looking for a good CTO partner. 

Skills: Data Engineering, AI Development, Machine Learning, Full-Stack Development, SaaS Development, DevOps, Cloud Computing, Python, JavaScript, Next.js, Django, TensorFlow, ETL Pipeline, Golang, Java

I'm seeking an expert who can help change my current blockchain authoritative consensus system to a Proof of Validation mechanism on the Ethereum network.

Key Requirements:
- The blockchain application primarily deals with financial transactions, hence the need for a robust and secure consensus mechanism.
- I'm open to having validators approved or disapproved by a master node. This requires setting up a master node and implementing the necessary logic and checks.

Ideal Skills and Experience:
- Extensive experience with Ethereum and its consensus mechanisms.
- Proven track record in blockchain development, particularly in creating and managing nodes.
- Strong understanding of financial transaction security on blockchain.
- Experience with designing and implementing Proof of Validation systems.

Please provide examples of relevant past projects in your proposal.

Skills: Golang, Bitcoin, Blockchain, Ethereum, Rust

please complete the tasks on the list from notion.

Skills: JavaScript, TypeScript, Node.js, React, Amazon DynamoDB, Next.js, Tailwind CSS, Amazon S3, Amazon ECS, Kubernetes, Serverless Stack, AWS Lambda, Docker, Golang, Rust

We are seeking a skilled backend developer who is proficient in Golang and Docker for our upcoming project. The ideal candidate will have hands-on experience in building scalable and efficient backend systems. Familiarity with Amazon API is a plus. You will collaborate with our team to design, implement, and maintain services that meet our business requirements. If you are passionate about creating robust backend solutions and thrive in a dynamic work environment, we would love to hear from you!

Skills: Golang, Docker, Database, RESTful API

We are seeking an experienced Kubeflow developer to design and implement custom modifications to Kubeflow, tailoring the platform to support our unique business workflows in AI-driven finance and multi-tenant ML environments. This role goes beyond integration — it requires hands-on development and potential extension of Kubeflow components (e.g., Profile Controller, Pipelines SDK, UI, metadata system, custom pipeline runners, etc.).

Objectives:

Modify or extend Kubeflow core components to support advanced use cases (e.g., customized pipeline triggers, pipeline constraints, custom metadata, or orchestrators)

Implement business-specific behaviors inside Kubeflow Pipelines, UI, or Profile Controller

Develop Kubeflow plugins (if needed) to support custom backtesting workflows, DRL model feedback loops, or data ingestion via financial APIs

Tune Kubeflow multi-tenant behavior for our namespace-per-client SaaS platform

Align customizations with existing Argo Workflows + Terraform-based automation layer

Work closely with quant and platform teams to implement strategy-aware workflow logic

Deliverables:

One or more customized Kubeflow components (e.g., controller, backend services, SDK wrapper, or UI extensions)

Support for bespoke triggers, lifecycle hooks, or observability for pipeline stages

Custom profiles, roles, or features based on user/namespace identity

Helm/Kustomize-ready bundles of the custom Kubeflow stack

Dev documentation for maintainability and handoff

Skills Required:

In-depth experience contributing to or modifying Kubeflow internals

Strong Golang and/or Python skills for backend controller development

Knowledge of Kubeflow Pipelines SDK, MLMD (metadata), Argo Workflows

Familiarity with multi-tenant Kubernetes architecture (e.g., namespace isolation, OIDC, admission controllers)

Helm/Kustomize and Terraform expertise a plus

Ideally experienced in financial or SaaS environments

Skills: Kubeflow

I'm seeking an expert who can help change my current blockchain authoritative consensus system to a Proof of Validation mechanism on the Ethereum network.

Key Requirements:
- The blockchain application primarily deals with financial transactions, hence the need for a robust and secure consensus mechanism.
- I'm open to having validators approved or disapproved by a master node. This requires setting up a master node and implementing the necessary logic and checks.

Ideal Skills and Experience:
- Extensive experience with Ethereum and its consensus mechanisms.
- Proven track record in blockchain development, particularly in creating and managing nodes.
- Strong understanding of financial transaction security on blockchain.
- Experience with designing and implementing Proof of Validation systems.

Please provide examples of relevant past projects in your proposal.

Skills: Golang, Bitcoin, Blockchain, Ethereum, Rust

Description:
We’re building a modern, lightweight platform to support independent healthcare providers. The product is early-stage and focused, with clear traction. We’re looking for a Go developer to help build and maintain backend APIs and services.

What You’ll Do
• Develop and maintain Go-based backend services
• Build RESTful APIs for use by a Swift/iOS frontend
• Work with PostgreSQL and Auth0
• Write clean, testable, and maintainable code
• Collaborate directly with a technical founder for feedback and guidance

Requirements
• Solid experience with Go
• Strong understanding of API design
• Comfortable with PostgreSQL and modern auth practices (Auth0)
• Clear communication and reliability in a remote/async setting

Nice to Have
• Experience with healthcare products or sensitive data
• Familiarity with early-stage startups or small teams

This role has the potential to evolve into something longer-term. We’re looking for someone who can contribute with focus, clarity, and care.

Skills: PostgreSQL, Golang, RESTful API, Docker

I'm in search of a highly seasoned full stack developer with over a decade of experience based in Pakistan. This role is crucial as you'll be interfacing with clients and working alongside my existing developer teams.

Key Responsibilities:
- Engaging in both technical and non-technical client calls
- Collaborating with my current developer teams
- Completing a live technical test on screen

Essential Qualifications:
- Over 10 years in full stack development
- Exceptional communication skills (American accent preferred)
- Proficient in Python/Django, Java/Spring Boot, GoLang, and JavaScript/Node.js

If you meet these qualifications, and are interested in a long-term collaboration, please apply with your resume and portfolio.

Skills: Java, JavaScript, Python, Golang