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Need a experience web3 developer to use my files for the existing launcher I had for solana tokens on Meteora launcher. This is a custom made UI launcher , and allowed me to launch meteora tokens. it had auto buy and auto sell functionalities as well. Problem is that there is something malicious in the code, i think because it used public repos, or something. I need you to make sure everythingg malicious is removed, then make sure it fully works. YOU MMUST BE EXPERIENCED WITH SOLANA DEVELOPER WORK LIKE RUST . Please show proof you can handle this kind of work as well. Im looking for someone who is 100% confident they can do this work. Need this done fast as possible also!
Project ID: 40721778
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88 freelancers are bidding on average $12,388 USD for this job

Hi — Elias here from Miami. I understand you’re looking to enhance your existing launcher for Solana tokens. The goal here is to create a secure and efficient platform that meets the specific needs of your project while ensuring user trust. A common issue in systems like this is ensuring robust security and scalability, especially with blockchain applications. What usually matters most here is how well the smart contracts are designed and how they integrate with the overall system architecture. The tricky part is usually managing permissions and ensuring smooth interactions between users and the blockchain. My approach would involve structuring the system with a focus on modularity and clear separation of concerns. This ensures that as your project grows, adding new features or making adjustments remains straightforward. I’ve worked on similar blockchain platforms, where security audits and performance optimization were critical, allowing me to anticipate potential pitfalls. A few questions to better understand the scope: Q1 – What specific functionalities do you want to include in the launcher? Q2 – Are there existing integrations with other services you envision? Q3 – How do you plan to handle user roles and permissions within the platform? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
$1,200 USD in 5 days
9.0
9.0

Hello, I can help you with "Secure Custom Solana Tokens Launcher for Meteora Tokens" as per your given project description. We can discuss more in detail during a chat conversation when you are available. I've worked on many PHP projects in recent times. So I am confident on achieving your expected Goals. Please initiate a communication thread to discuss further and start with the project. ⭐ 5.0/5 from a recent client: "A more professional version: “Excellent work! The job was completed within the committed timeline. Great quality, professionalism, and timely delivery. Highly appreciated and recommended.”" Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
$900 USD in 18 days
7.6
7.6

Compromised launcher code usually hides key exfiltration: wallet keypairs or seed phrases posted to a remote endpoint, obfuscated dependencies, or a patched transaction signer that swaps recipient addresses. That is exactly what I audit for. I've built Solana programs with Anchor/Rust, on-chain escrow, and secure transaction pipelines for payment platforms, so I know where funds leak in Node/PHP bot code. Approach: 1) full dependency and diff audit of your files, flagging every network call, env/key access and obfuscated block, with a written report; 2) remove malicious code, rotate to fresh wallets, harden signing and RPC handling; 3) restore and verify token launch plus auto buy/sell on devnet, then a small mainnet test. Can you share the repo size and which runtime the auto-trade bot uses, Node or PHP?
$1,050 USD in 7 days
6.8
6.8

Hi, Mateo here, from Toronto. I'm a full stack developer with 8+ years of experience working with blockchain integrations, Node.js, APIs, security reviews and production web applications. I understand the priority is not adding more features first, but determining exactly what is unsafe in the existing Solana launcher and removing anything malicious without breaking the legitimate Meteora functionality. My approach: first, audit the complete codebase, dependencies and configuration, including wallet handling, transaction construction, external calls and any copied/open-source components. Next, isolate and remove suspicious code, replace unsafe dependencies where required, and verify the Rust/Node.js components and Solana transaction logic. Finally, rebuild and test the launcher in a controlled environment, validate wallet permissions and transaction flows, and document the security findings and changes. I can work directly with an existing codebase and trace behavior rather than simply scanning for obvious malicious strings. Security and transaction integrity would be verified before production use. A few questions: Q1 - Can you provide the complete source repository and dependency lockfiles? Q2 - Is the existing launcher using Anchor/Rust programs, or primarily client-side Solana code? Q3 - Do you have a known-good version or transaction flow to compare against? I'm available to start immediately and can prioritize the security audit first.
$1,200 USD in 9 days
6.9
6.9

I have experience with Solana development, Rust, Web3 applications, and blockchain integrations. I can audit your existing launcher for malicious code, hidden transactions, unsafe dependencies, wallet/key exposure, and suspicious external calls, then clean it up and verify the Meteora launch, auto-buy, and auto-sell functionality works correctly. I can start immediately. 1. Can you provide the complete source code and current build setup? 2. Is there a custom Rust/Anchor program involved, or does the launcher only interact with Meteora’s existing programs?
$800 USD in 7 days
6.6
6.6

As an experienced web developer, I know how important it is to ensure that your codes are secure and clean. I have a strong background in PHP Development which makes me well-versed in identifying and fixing the kinds of errors or malicious content you mentioned. My expertise extends to sites, stores, and applications built on various platforms including Laravel, Wordpress, Joomla and Shopify - which ensures that I can effectively solve any problems you might be facing. Regarding your project, my proficiency in developing eCommerce sites would be invaluable as it allows me to understand the complexities of launching tokens on platforms such as Meteora Launcher. Your concern about security is my top priority too, so rest assured I will meticulously inspect and eliminate any suspicious codes or files from your launcher. Furthermore, with my profound knowledge of WooCommerce and Wheeler Dealer APIs from managing Amazon and Etsy accounts, I could utilize similar techniques to implement the auto-buy and auto-sell functionalities you require. I understand the time sensitivity of this project and assure you that not only can we deliver quality work quickly but also bring value to your system. Let’s discuss further on how I can help you out!
$1,125 USD in 7 days
6.6
6.6

With my extensive experience in web development since 2015, I'm well-versed in handling complex projects including blockchain and web3 development. In particular, my expertise in Solana and Rust gives me the competitive edge needed to resolve all issues associated with your existing launcher. My portfolio offers a glimpse into impactful projects I've successfully completed while employing deep clean coding ensuring optimal security. The menace of bad actors within public repositories is a pressing issue in today's development landscape. You can entrust the task of sanitizing your token launcher to me. I'll thoroughly review and rectify any malicious code buried in your previous implementation. Additionally, my familiarity with Lesster-builders has made me deft in dealing with auto-buying and selling functionalities, as you've mentioned are vital for your project. Speed is of essence here and my efficient workflow will assist us our goal to conclude this project timely. Let's join forces to not only remove any vulnerabilities from your token launcher but ensure it functions seamlessly again. Choose me for unwavering confidence and resolute expertise in parallel with a proven track record in the domain; we'll fortify your Meteora- Solana token launcher together!
$1,125 USD in 5 days
6.5
6.5

Hi, I understand you want to clean a Meteora token launcher on Solana, remove any malicious code, and get the auto buy/auto sell flow working reliably. This kind of hardening and validation of Solana tooling with Rust components is a routine part of launcher maintenance in production environments. I’d start by reproducing the current flow in a safe branch, auditing dependencies, strip out unsafe references, and replace them with audited crates; then run end-to-end checks in a staging environment with on-chain simulations to confirm behavior. One technical risk / key challenge: On-chain state drift during rapid auto actions could creep back in; I’ll add deterministic replay and guardrails. Two clarification questions: What should happen if market data feeds delay or fail during auto actions? Who owns deployment keys and how should secrets be managed in production? If we're aligned, I’d be happy to walk you through the implementation plan before we get started. Best regards, Brandon
$900 USD in 9 days
6.1
6.1

I would treat the existing launcher as untrusted until every wallet and transaction path has been audited. I’ll reproduce the current build in isolation, review dependencies/install scripts, Git history, RPC/API endpoints, wallet adapters, transaction builders and any Rust program code for drainers, hidden transfers, key leakage or remote execution. I’ll remove compromised components without rewriting working architecture unnecessarily, then validate the Meteora token-launch, auto-buy and auto-sell flows using fresh test wallets before any controlled mainnet verification. I’ll also add transaction/program validation, execution limits and clear logging so the launcher cannot silently sign unexpected instructions. I can start immediately after award and secure source-code access.
$1,500 USD in 7 days
6.2
6.2

Hello, As an experienced web and software developer with a vast understanding of multiple programming languages, I am confident in my ability to complete your Solana token launcher project swiftly and securely. Having worked with numerous clients on similar blockchain projects, I can ensure that all malicious elements will be effectively removed from your existing launcher. My proficiency with Node.js will be particularly valuable for this project, as it can optimize the performance and security of your application. With 16 years of experience, I have gained valuable insights into different aspects of software development, including designing seamless user interfaces and implementing complex functionalities like auto-buy and auto-sell. These skills are directly applicable to your project's requirement for a secure and fully functional Solana tokens launcher. Moreover, past clients have consistently recommended my services due to the high quality of my work. I approach each task methodically to detect vulnerabilities that could compromise user data or system performance, ensuring that the final solution is dependable and robust. Together, we can swiftly eliminate any security risks and restore full functionality to your Meteora launcher in no time. Thanks!
$1,250 USD in 3 days
5.9
5.9

I've built and secured Solana token launchers before, so this is right in my wheelhouse. I'll audit the code for malicious elements, remove any vulnerabilities, then validate the auto-buy/sell functionality. I'll use Rust for critical components and Node.js/PHP for the UI layer. The implementation will follow: sanitization → dependency review → security hardening → functional testing → deployment. I can start immediately. Thanks, Andrii.
$750 USD in 10 days
5.8
5.8

Hi, I understand you're looking to secure your custom UI launcher for Solana tokens on the Meteora platform, which currently has malicious elements due to public repository usage. Ensuring the integrity and security of your launcher is crucial to maintain trust and functionality. The primary challenge here is identifying and eliminating the malicious code without disrupting the existing functionalities like auto buy and auto sell. My approach would involve a comprehensive audit of the codebase to pinpoint vulnerabilities, followed by a cleanup and implementation of security best practices to prevent future issues. Prioritizing stability and security while maintaining the current scope is key. With extensive experience in web3 development and security, particularly in handling Solana-based projects, I am well-equipped to
$750 USD in 7 days
5.9
5.9

I understand the urgency and your need to secure the existing Meteora token launcher while ensuring all malicious code is removed. I’ve worked on Solana projects where clients faced similar security concerns due to dependencies from public repos, and I helped them by thoroughly auditing the Rust code and replacing any risky elements with safer custom implementations. To move quickly, I’ll first run a full security audit on your current launcher files, focusing on the auto buy/sell functions where vulnerabilities often hide. Do you have recent transaction logs or error reports that point to when the malicious behavior started? Also, should I preserve the exact UI flow or are you open to improvements while cleaning up the code? I’m ready to start reviewing and securing your launcher immediately, ensuring it runs cleanly and safely with full Solana integration. Let’s get this fixed fast.
$750 USD in 7 days
5.9
5.9

Hi, there. "SECURE SOLANA TOKEN LAUNCHER" — you need a clean codebase you can trust before launching again. I would start with a security review of the existing launcher: inspect dependencies, wallet handling, transaction logic, backend calls, and Rust programs for hidden behaviors or unsafe code paths. After removing risks, I would test the full flow again, including Meteora token creation, auto-buy/sell logic, and transaction handling. The important part is separating genuine launcher features from unwanted code, especially when public repositories or copied components are involved. Can you share the current code structure and tell me whether the malicious behavior appears in the frontend, backend, or Solana program side? Looking forward to working with you.
$750 USD in 8 days
5.8
5.8

Hello, I have already completed similar Solana and Web3 projects, with strong experience in web development, APIs, and scalable software solutions. I can audit your existing launcher, inspect the source and dependencies for malicious code, review the Rust and Solana logic, and fix the Meteora launch, auto buy, and auto sell functionality. Do you have the complete source code, package files, and Rust programs from the current launcher available for review? I can quickly understand the codebase and deliver exactly what you need. Let’s have a quick meeting so I can review the files and discuss the security concerns. I will share my portfolio in chat I look forward to hear from you. Thanks Best Regards, Mughira
$1,125 USD in 7 days
5.6
5.6

The malicious code in the existing launcher is the primary risk, I will perform a full code audit to identify and remove all suspicious elements, then rebuild the core functionalities for secure operation. I will take your existing UI files and integrate them with a clean Rust backend for the Solana interaction, this will provide the custom launcher for Meteora tokens you need. The auto buy and auto sell features will be rebuilt from scratch to ensure they are secure and function as expected. I will use the Solana Program Library and the Anchor framework for smart contract development, also deploying the contracts to the Solana network. Your brief mentions using public repos as a potential source of the malicious code, but I will be building the backend services from the ground up, avoiding any dependency on potentially compromised external code. This ensures a clean and secure system from the start. What is the desired end state for the auto buy and auto sell functionalities, specifically regarding trigger conditions and price parameters? I have 10 reviews on Freelancer at 5.0, everything delivered on time and on the agreed price so far. I need you to provide the existing launcher files and any documentation you have.
$1,262 USD in 21 days
5.3
5.3

My extensive background in software architecture and full-stack development means that I can not only detect and remove any malicious code but also pinpoint the root cause of the issue. In my practice, I always prioritize security and make sure that every line of code is clean and free from vulnerabilities. Moreover, my proficiency in languages like Rust, which is crucial for working with Solana, makes me well-equipped to provide a fast and efficient solution to your problem. One of my key strengths is my ability to work under pressure while maintaining a high level of accuracy and attention to detail. I understand how important it is to get this done quickly for you. Lastly, past clients value my clear and patient communication style which allows me to explain complex technical issues in a way that everyone can understand. My goal isn't just to fix the immediate problem but also to equip you with the knowledge needed so that we can avoid similar issues in the future. Rest assured, if given the opportunity, I promise a thorough, prompt, and secure solution to maximize the potential of your token launcher on Meteora!
$1,000 USD in 10 days
5.4
5.4

Hi, I looked at your requirements and understand the priority is not just getting the launcher working again, but making sure the existing code can be trusted before it interacts with Solana wallets and transactions. I’d treat this as a security-first code audit and remediation. I’d trace the full launcher flow, inspect the Rust/backend/frontend code and dependencies, identify suspicious or unauthorized behavior, remove unsafe components, and then validate token launch, transaction, auto-buy and auto-sell flows in a controlled environment before production use. I’ll also document the important security findings and changes so you know exactly what was fixed. Quick questions: Q1. Can you provide the complete source repository and dependency lockfiles for an initial security review? Q2. Is the current launcher already deployed on Solana mainnet, or can testing be performed entirely on devnet first? This lets me assess the existing implementation safely and avoid carrying hidden or compromised code into the final version. Jonas Dedzo
$1,200 USD in 8 days
5.5
5.5

Hello, The most likely root cause is a tainted dependency or copy-pasted component from a public repo that introduced malicious logic into the Meteora launcher's auto buy / auto sell paths. That code path must be isolated, audited at the AST and binary level, and runtime behavior validated against a clean Solana client. I have led delivery of mission-critical integrations and secure systems as a Senior Software Engineer and CTO, including API work and complex backend services. I have hands-on Solana development experience in Rust and have previously audited on-chain client code and off-chain launchers for security and correctness. I can walk you through a prior engagement approach and samples of code reviews on request. My first step will be a local isolated build and automated dependency audit (cargo audit, supply-chain checks), followed by static analysis of the launcher UI and the Rust on-chain/off-chain components. I will replace or reimplement any suspect modules, add unit and integration tests for the auto buy/auto sell flows, and run the launcher in a controlled testnet with signed transactions to verify behavior. - Do you have the full repository, a list of suspected files, and any wallet keys or secrets removed before I begin? - Do you want a single rapid triage delivery first (remove malicious code and prove testnet launches), or a full hardening pass with tests and CI added? Always up for a quick conversation if you have questions. Thomas Beigbeder
$770 USD in 8 days
5.3
5.3

With my extensive skill set ranging from blockchain development to full-stack web development, I am confident that I can rectify the malicious code in your Solana Tokens Launcher and have it in optimal working condition as quickly as possible. My proficiency with languages like Rust, Node.js, and PHP aligns perfectly with the deliverables you seek for this project. I have successfully developed and supported sophisticated web and mobile applications for numerous clients, which has equipped me to handle challenging tasks such as this. Moreover, I understand the importance of security in Blockchain projects and can assure you that all necessary precautions will be taken to eliminate any malicious elements from your codebase. Being detail-oriented and well-versed in the dynamic nature of crypto, I never compromise on security or quality. Lastly, commitment is a core value that drives my work ethic. It would be my utmost priority to complete this project rapidly without sacrificing any aspect of its quality or security. So, if you're searching for an experienced professional who brings not just technical expertise but also keen understanding of business operations and workflows to the table, look no further. Let's work together towards a secure and successful Meteora Tokens Launcher on Solana!
$750 USD in 5 days
5.4
5.4

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