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Please Note Before Proceeding Below: **This is a small initial project with a limited budget to evaluate the developer’s understanding and quality of work. Once all tasks are completed to our standards, the developer will be hired full-time and considered for larger projects ranging from $5,000 to $25,000, depending on the role and scope.** We are looking for an experienced Solana blockchain developer with strong AWS server infrastructure expertise to help diagnose, fix, and optimize production-level code issues. This is not a beginner role. You must have hands-on experience with Solana programs, RPC interactions, and backend deployment inside AWS environments. You will be working on live Solana-based systems that require debugging, performance optimization, and infrastructure-level troubleshooting. 90% Of The Code Is Already Complete, You will be responsible for: 1. Diagnosing root causes of system failures or transaction errors. 2. Fixing broken logic, failed transactions, or stalled processes. 3. Ensuring stable, consistent execution under load. 4. Optimizing performance, speed, and reliability. 5. Providing An Understanding Of What Is Done. Please Note A Call Will Be Requried To Ensure Hiring. All AI Applicants Will Be Ignored. Alex L. Hiring Manager. Team Over At NORDAQ
N° de projet : 40291294
152 propositions
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152 freelances proposent en moyenne $2 259 USD pour ce travail

Hello Alex, I understand you need a seasoned Solana developer with strong AWS deployment skills to diagnose and optimize a near-complete production system. My approach is to reproduce failures in a staging AWS environment, trace root causes from logs and RPC traces, and apply precise fixes to Solana programs, transaction flows, and backend services. I will implement robust error handling, retries, and observability to maintain stability under load, followed by performance profiling and infrastructure tuning on AWS (EC2/ECS/Fargate, RDS as needed). I will document what is done and provide clear handoff notes. What is the most critical production metric you want stabilized first (reliability, latency, or throughput) and what is your current target? Best regards,
$3 000 USD en 12 jours
8,3
8,3

With over 10 years of experience in blockchain development and AWS server infrastructure, I understand the importance of optimizing production-level code issues. You require an experienced Solana developer who can diagnose, fix, and optimize your systems, ensuring stable execution under load. In the realm of blockchain and AWS integration, I have successfully completed numerous projects similar to yours. My expertise in Solana programs and backend deployment within AWS environments aligns perfectly with your requirements. I have a proven track record of debugging, optimizing performance, and ensuring reliable system operations. Having worked on projects with a strong focus on blockchain technology, I am well-equipped to handle the challenges presented by your Solana integration and AWS deployment needs. With 90% of the code already complete, I am confident in my ability to quickly diagnose root causes, fix errors, and enhance system performance. I am eager to discuss how I can contribute to your project's success. Please feel free to reach out to me directly through the messaging system to schedule a call. I look forward to the opportunity to collaborate with you and showcase my skills in Solana development and AWS deployment. Thank you for considering my proposal. Best regards, [Your Name]
$2 400 USD en 30 jours
7,8
7,8

Hello! Alex, I have gone through with your requirement and understand that you need an experienced developer to diagnose and stabilize a production Solana system while ensuring the AWS infrastructure supporting it runs reliably under load. I can help review the current codebase and infrastructure to identify the root causes of failed or stalled transactions, RPC communication issues, or program logic problems. My approach would start with analyzing transaction flows, RPC responses, and program interactions to locate the exact point of failure or inconsistency. On the infrastructure side, I can review the AWS deployment including compute instances, networking, and service configuration to ensure the backend services handling Solana interactions remain stable and scalable. This includes checking logging, monitoring, and performance bottlenecks that may be affecting transaction execution. Once the issues are identified, I will implement fixes to stabilize transaction execution, improve reliability, and optimize performance. I will also document the changes and explain the architecture so your team clearly understands how the system operates moving forward. I am available to join a call to review the system and discuss the current issues so we can quickly identify the best path to stabilize the platform. Best regards, Jasmin
$2 250 USD en 7 jours
7,7
7,7

Hello, I have hands-on experience with Solana programs, RPC integrations, and AWS backend infrastructure. I can help diagnose transaction failures, fix broken logic, and stabilize your production system. My approach is to review the existing Solana interactions, analyze RPC calls, and inspect AWS services and logs to identify the root cause of stalled or failed processes. Then I will implement fixes and optimize performance to ensure reliable execution under load. A few quick questions: • Is the program built with Anchor or native Rust? • Which RPC provider are you using? • What AWS services are currently deployed? • What errors are you seeing in failed transactions? Looking forward to helping optimize your system. Thanks & Regards Rahul
$2 500 USD en 20 jours
7,6
7,6

Given the limited budget and the need for a seasoned Solana developer with AWS server infrastructure knowledge, my experience in custom web and mobile app development using Node.js makes me a great fit for your project. I have a successful track record of over a decade in the field and specifically, within your industry, having built B2B and B2C software products in FinTech, eCommerce, Healthcare, and Real Estate. This extensive background equips me well to understand and successfully contribute to projects of varying complexities like yours. One of our strengths at Wellspring Infotech is our technological mastery. We are proficient in several cutting-edge frameworks like React, Vue.js, Python, React Native et cetera - all of which will be important for your project. Being pragmatic problem solvers, we comprehend the value of 'getting things done' meticulously within timelines. We're confident that our comprehensive project management approach along with robust QA processes will ensure smooth execution and exceptional quality for the tasks you've outlined. With each successful project delivery, we aim to bolster partnerships that prioritize reliability, innovation and customer satisfaction - core values we share with NORDAQ. I am genuinely excited about this opportunity to contribute to your team as it aligns perfectly with both my capabilities and career progression aspirations. Let's discuss how we can accelerate your growth together!!! Thank you!!!
$2 250 USD en 7 jours
6,4
6,4

⭐⭐⭐⭐⭐ Review the existing Solana program logic, RPC calls, and transaction flows to quickly identify root causes of failures, stalled transactions, or inconsistent execution. Audit AWS infrastructure (compute, networking, logs, deployment pipelines) to trace backend issues affecting Solana interactions and system reliability. Debug and repair broken logic in Node.js/TypeScript services handling blockchain communication, ensuring proper error handling and transaction confirmation. Stress-test transaction flows and RPC usage to ensure stable execution under load and optimize performance bottlenecks. Implement monitoring, logging, and recovery mechanisms within AWS to prevent future failures and improve system observability. CnELIndia provides structured debugging, DevOps, and deployment support to stabilize production systems. Raman Ladhani contributes hands-on Solana development, RPC optimization, and backend troubleshooting experience. Deliver clear documentation explaining fixes, architecture improvements, and best practices for long-term reliability.
$2 250 USD en 7 jours
6,3
6,3

Hi, I understand you need an experienced Solana blockchain developer with AWS expertise to diagnose, fix, and optimize a nearly complete production system. The goal is to resolve transaction failures, stalled processes, and backend logic issues while ensuring stable and performant execution under load. My approach would be to first review the Solana program interactions, RPC calls, and AWS deployment configuration. I will identify the root causes of errors, correct broken logic, and optimize the system for speed, reliability, and scalability. Any fixes will be documented and explained so your team fully understands the changes. Infrastructure-level optimizations on AWS, such as server configuration, resource scaling, and logging, will also be applied to support consistent performance. Before delivery, I will run end-to-end testing of transactions, backend processes, and load handling to confirm stability and reliability. The final setup will be production-ready and maintainable for future expansions. Best, Justin
$2 250 USD en 7 jours
6,4
6,4

Hey, Alex, I will diagnose and fix the transaction errors and stalled processes in your Solana systems, optimize execution speed and reliability under load, and ensure stable deployment on your AWS infrastructure. I am available for a call to walk through the codebase and discuss the issues in detail. For Solana transaction failures at production scale, the most common culprits are stale blockhash references, insufficient priority fees during network congestion, and RPC node rate limits. I will check these first alongside your program logic to isolate the root cause quickly. Questions: 1) Are the Solana programs written with Anchor or native Rust? 2) What is the current AWS setup, EC2 instances, Lambda, or containerized? 3) Are the failures intermittent or consistent, and do you have error logs available? Let us discuss via chat. ~ Kamran
$1 700 USD en 13 jours
6,7
6,7

Hello, I’m excited about the opportunity to help diagnose and stabilize your Solana-based production system running on AWS. With experience in blockchain backend systems, Node.js/TypeScript services, and cloud infrastructure debugging, I can analyze transaction failures, RPC interactions, and deployment issues to identify the root causes affecting reliability and performance. I’ll focus on fixing broken logic, optimizing execution under load, and ensuring the system runs consistently while clearly documenting what changes were made and why. You can expect structured debugging, clean fixes, and clear technical explanations so your team fully understands the improvements moving forward. Best regards, Juan.
$2 250 USD en 7 jours
5,9
5,9

I HAVE WORKED ON PRODUCTION SOLANA SYSTEMS HANDLING REAL TRANSACTIONS—DEBUGGING FAILED INSTRUCTIONS, FIXING RPC ISSUES, AND STABILIZING AWS-HOSTED BLOCKCHAIN BACKENDS UNDER LOAD. Your project aligns well with my experience diagnosing **Solana program failures, RPC inconsistencies, and infrastructure bottlenecks** in live environments. Since **90% of the system is already built**, I will focus on identifying root causes, stabilizing the codebase, and optimizing execution reliability. **How I Will Help** • Diagnose **transaction failures, stalled processes, and program logic errors** • Debug **Solana program interactions, RPC calls, and signing flows** • Fix broken backend logic affecting transaction execution • Optimize **performance, latency, and throughput under load** • Review AWS deployment (EC2/Lambda, queues, networking, logs) to improve reliability • Provide clear explanations and documentation of fixes and improvements **Working Approach** • Review existing architecture and logs • Reproduce issues in a controlled environment • Implement fixes and performance improvements • Document root causes and solutions for long-term stability I am comfortable joining a **technical call to walk through the system**, discuss the current issues, and demonstrate how I would stabilize and optimize the platform. Looking forward to helping your team bring the system to full production reliability.
$2 600 USD en 7 jours
6,2
6,2

Hello! I am a US-based senior software engineer specializing in cloud computing, Node.js, and API development. I carefully read your project description regarding Solana integration and AWS deployment, and I’m excited about the opportunity to contribute. With over 15 years of experience in software development, I’ve successfully completed projects that emphasize robust system design and practical implementation. My expertise aligns perfectly with your needs, and I understand the importance of a seamless integration process to meet your project goals. To ensure clarity, could you please clarify the following questions to help me better understand the project? 1. What specific functionalities do you envision for the Solana integration? 2. Are there any existing systems or APIs that we need to consider during deployment to AWS? My approach will include defining clear milestones, ensuring production-ready code, and maintaining open lines of communication throughout the process. In the past, I have worked on various projects, including a custom API for a data analytics platform and a scalable e-commerce solution that integrates multiple payment gateways. I am confident in my ability to deliver a solution that not only meets but exceeds your expectations. Let’s connect and discuss how I can help bring your vision to life! Best regards, James Zappi
$2 500 USD en 9 jours
5,7
5,7

Hello, I came across your project and found it truly interesting. With over eight years of hands-on experience in this field, I have successfully delivered high-quality solutions to clients worldwide. My dedication to excellence is reflected in the 180+ positive reviews from satisfied clients. I’d love to bring this expertise to your project and ensure outstanding results. However, I do have a few important points I’d like to clarify to align perfectly with your vision. Let’s connect via chat so I can share relevant examples of my past work. I look forward to hearing from you. Best Regards, Divu.
$2 250 USD en 7 jours
5,7
5,7

Hi there, Regarding your project, I've noticed that many miss the subtle intricacies of optimizing data flow, but I don't. Ensuring efficiency and speed is my forte, and I deliver solutions that minimize latency effectively. In a previous role, I revamped a client's database architecture, boosting their query performance by 40%. I include 30 days of post-deployment bug-fixing at no extra cost. Have you considered the impact of concurrent user access on your current system's load? Let's discuss further.
$1 600 USD en 7 jours
5,4
5,4

Hi, I'll diagnose and fix your production Solana system issues—tracing transaction failures, broken logic, and stalled processes at the RPC and program level, optimizing execution speed and reliability under load, and ensuring stable AWS deployment with clear documentation of every fix and architectural decision made, ready to scale into larger NORDAQ projects.
$15 000 USD en 3 jours
5,1
5,1

I understand you need someone who can quickly dive into your live Solana systems, diagnose issues, and ensure smooth, reliable execution, including deployment and management on AWS. I’ve handled similar situations where production Solana programs had transaction failures due to both logic errors and infrastructure bottlenecks. In one case, fixing stalled RPC calls and optimizing Lambda scaling cut downtime significantly. To proceed effectively, could you share the main failure symptoms you’re seeing? Also, are there specific AWS services (like ECS, Lambda, or EC2) involved in your setup? Knowing this helps me pinpoint weak spots faster. This type of debugging and optimization work usually moves quickly once the root causes are clear. I’m ready to jump on a call to align on your expectations and start resolving these issues right away.
$3 000 USD en 7 jours
5,4
5,4

Hi, My team and I just reviewed your project, and it looks like the current system architecture might struggle when you scale. Our backend Architect is ready to dive in, ensuring a robust solution that anticipates growth and avoids bottlenecks. We get it, you're aiming for efficiency and reliability. We recently delivered a complex platform using the MERN stack, catering to over a million users, ensuring seamless data handling and real-time updates. The project was a success, with a 30% increase in user engagement post-launch. I'll be your direct technical point of contact, and we'll set up a staging environment for you to ensure everything aligns perfectly with your vision. What's the most critical outcome you envision for your platform in the next year? Let's explore this further!
$1 600 USD en 7 jours
5,1
5,1

Hello I once had a hard bug where Solana transactions failed under load because of account reuse and RPC timeouts, and I fixed it with account locking, batching, retries, and more reliable RPC nodes. I understand you need someone to diagnose root causes, fix broken logic and stalled processes, and make the system stable and fast on AWS. I have hands-on experience with Solana programs, RPC interactions, and deploying and debugging backends in AWS. I will deliver tested fixes, performance tuning, and a clear summary of changes and how to keep the system reliable. I am ready for a call to review the live systems and start work immediately.
$2 250 USD en 7 jours
5,0
5,0

Hello Alex, I can diagnose, fix, and optimize your production-level Solana programs and AWS backend. I have hands-on experience with Solana RPC interactions, program logic debugging, and high-load performance tuning. I will identify root causes of failed transactions, stalled processes, or broken logic, and implement stable, reliable fixes. Optimizations will focus on speed, throughput, and consistent execution under load, with full documentation of all changes for transparency. Deliverables include a fully functional, stable Solana deployment on AWS, resolved transaction errors, performance improvements, and clear technical notes explaining what was fixed and optimized. I can join a call to review requirements and demonstrate prior Solana/AWS projects. Questions for clarification: Are there any specific Solana programs or RPC endpoints currently causing repeated failures that should be prioritised? What is the expected transaction volume or load for performance benchmarking after fixes? Thanks, Asif
$3 000 USD en 15 jours
5,1
5,1

Hello, We understand your Solana-based system is mostly complete but requires an experienced developer to diagnose transaction failures, resolve broken logic, and optimize performance while ensuring stable execution within your AWS infrastructure. SEO Global Team has strong experience working with blockchain backends, RPC interactions, and cloud deployments, including debugging production systems and improving reliability under load. We will analyze the current codebase and infrastructure, identify root causes of transaction or process failures, apply performance optimizations, and provide clear explanations of each fix to ensure long-term stability. Which Solana framework or tooling is currently used (Anchor, native Rust programs, etc.)? Is the system interacting with your own RPC node or a provider like QuickNode/Alchemy? Are the AWS services primarily EC2-based or using containers such as ECS or Kubernetes? Best regards, SEO Global Team
$2 500 USD en 7 jours
5,2
5,2

Hello, With extensive experience in Solana blockchain development and AWS infrastructure management, I am confident in my ability to diagnose, fix, and optimize your existing systems efficiently. My hands-on expertise with Solana programs, RPC interactions, and backend deployments in AWS environments aligns perfectly with your project needs, ensuring stability and performance under load. What specific performance metrics or issues have you encountered that you'd like me to prioritize? Thanks, Juan Aponte
$2 500 USD en 20 jours
5,4
5,4

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