Join Our Pioneering Team at STON.fi

STON.fi stands at the forefront of decentralized finance, operating as an Automated Market Maker (AMM) DEX on the TON blockchain. Our platform has virtually zero fees, low to zero slippage, and a user-friendly interface, seamlessly integrated with TON wallets. In the future, we aim to provide advanced features like cross-chain swaps, gasless transactions, and a commitment to the DAO governance model, ensuring community-centric decision-making and continuous innovation.

As we expand, we are searching for an experienced Blockchain Engineer to contribute to our mission of building sustainable, cutting-edge DeFi products. If you're passionate about blockchain technology and DeFi, STON.fi is your platform to make a significant impact.

In this role you will:

• Develop, test, and deploy the smart contracts on the TON blockchain;
• Write technical documentation and instructions for using developed solutions;
• Collaborate with the frontend and backend teams to integrate smart contracts with the platform's user interface and logic, as well as with the rest of the team to ensure a smooth development process;
• Participate in code reviews making sure that the best practices and security standards are followed;
• Conduct thorough testing and audits of smart contracts to ensure their security and reliability;
• Stay up-to-date with the latest trends and technologies in blockchain development.

We expect you to:

• Have proven experience in developing smart contracts the TON blockchain using FunC;
• Have knowledge of FunC programming languages, and being able to understand Fift/TVM;
• Have skills in working with smart contract testing tools (e.g., Blueprint);
• Have strong understanding of blockchain concepts, including consensus mechanisms, cryptography, and tokenomics;
• Understand the basics of blockchain operation and decentralized applications;
• Have experience with blockchain platforms (ideally TON, but we’ll consider applicants with different background too);
• Have experience working with APIs and SDKs for interacting with the TON blockchain;
• Be familiar with smart contract security best practices and auditing tools;
• Have experience with version control systems like Git;
• Have excellent communication and collaboration skills;
• Have passion for building innovative and secure blockchain applications;
• Be fluent in English (at least B2 level).

It would be a plus if you have:

• Experience with other blockchain platforms (e.g. Ethereum, Solana, Polkadot);
• Knowledge of other programming languages for smart contract development (eg Rust);
• Experience in creating and managing staking pools;
• Understanding decentralized finance (DeFi) principles;
• Experience with JS/TS.

What we offer:

• The opportunity to be at the forefront of technology innovation within a forward-thinking company;
• A culture of empowerment, where your ideas and contributions directly impact our success;
• The chance to work with a global team of talented individuals.

Apply Now:

What are we all about?

We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.

Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.

Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.

Today, we are a 350+ strong team working remotely across 66+ countries.

The role

Are you the one? We’re seeking an experienced Site Reliability Engineer to lead and mentor our SRE team. You’re a seasoned professional with a proven track record in designing and implementing robust SRE processes at scale. You excel in cloud and hybrid environments, have a deep understanding of containerization, and are passionate about creating resilient, high-performance systems that can handle extreme traffic peaks. Beyond technical expertise, you’re a skilled communicator and collaborator, able to bridge the gap between technical teams and stakeholders. You thrive in cross-functional environments and can effectively represent SRE concerns at the leadership level.

Responsibilities:

• Lead the implementation and refinement of SRE practices across the organization, including SLOs, error budgets, and blameless postmortems
• Design and implement automation to eliminate toil and improve system reliability and efficiency
• Lead initiatives and architect scalable hybrid cloud solutions for Web3 infrastructure
• Manage error budgets and make data-driven decisions about when to prioritize reliability vs. new features
• Drive SRE practices to ensure high availability, performance, and reliability under varying load conditions
• Collaborate closely with Platform engineering team to build reliability into services from the ground up
• Collaborate closely with Nethermind’s Infrastructure Leadership department to align SRE strategies with overall technical vision
• Drive the adoption of observability best practices and implement comprehensive monitoring systems
• Develop and maintain service level indicators (SLIs) and objectives (SLOs), working with product owners to define appropriate reliability targets
• Mentor team members in SRE practices and foster a culture of continuous learning
• Lead capacity planning efforts, using quantitative analysis to predict and address future scaling challenges
• Contribute to long-term technical roadmaps, balancing reliability concerns with product innovation

Skills:

• 5+ years of experience in Site Reliability Engineering or DevOps
• Expert knowledge of cloud platforms (AWS, GCP)
• Expert knowledge of Kubernetes
• Proven experience in designing and implementing scalable, efficient, resilient systems
• Deep understanding of Linux/Unix systems and networking protocols
• Strong programming skills in Python or Go
• Strong background in monitoring, observability, and logging systems (e.g., Grafana, Prometheus, Loki)
• Expertise in CI/CD tools (e.g. GitHub Actions, ArgoCD)
• Excellent communication skills, both written and verbal, with the ability to explain complex technical concepts to various audiences
• Experience in producing technical documentation, runbooks, presentations, and post-mortem reports
• Experience and passion for mentoring and upskilling team members

Nice to have:

• Experience leading technical teams
• Contributions to open-source projects or thought leadership in SRE
• Familiarity with MLOps and big data technologies
• Knowledge of blockchain technology and infrastructure
• Experience with chaos engineering principles and tools
• Familiarity with traffic management and CDN technologies
• Systems or backend engineering background

Keep up to date on what we are working on by following us on our social channels:

• Discord
• LinkedIn
• Twitter