Coinspaid Dev seeks a Senior Blockchain Software Engineer to develop innovative crypto-processing, DeFi, dApp, and MPC solutions. The role covers end-to-end development, blockchain integration, code review, architecture, and performance optimization in distributed systems. Requires 5+ years of experience, expert knowledge of Go, Solidity, Web3, blockchain platforms, smart contracts, and DeFi.
Key Highlights
Key Responsibilities
Technical Skills Required
Benefits & Perks
Nice to Have
Job Description
Coinspaid Dev is the engineering brand behind the technology, infrastructure, and R&D expertise built within Coinspaid. With more than 120 engineers and over 11 years of industry experience, Coinspaid Dev brings together software engineering, infrastructure, security and R&D teams with experience building distributed systems and blockchain infrastructure operating across more than 20 blockchain networks.
Coinspaid Dev emerges as an independent engineering brand with a straightforward mission: to advance blockchain infrastructure engineering and contribute practical expertise back to the industry. The structure is new. The experience behind it is not.
We are looking for a software engineer with deep knowledge of blockchain technologies to develop and support innovative solutions in the field of crypto processing, blockhain, DeFI, dApps and multy-party computations. Your role will involve research, designing, developing, and testing solutions in secure, high-performance distributed systems for processing cryptocurrency transactions, as well as integrating new functionalities into the company's products like MPC, distributed signing, etc.
Responsibilities:
- Develop and implement innovative solutions for the company's products in the blockchain and crypto-processing sector
- Write clean, high-quality, maintainable code
- Integrate new functionalities into existing solutions and system architectures
- Integrate blockchain platforms with the company's existing systems
- Conduct code reviews and ensure code security
- Participate in architectural discussions and develop scalable system architectures
- Work with APIs to interact with crypto-payment gateways and external services
- Analyze system performance, identify bottlenecks, and optimize the system
- Participate in the development of new products and services based on blockchain technologies
Requirements:
- A passion for problem-solving and finding innovative solutions
- At least 5 years of experience as a developer
- Deep knowledge of programming languages: Go, Solidity
- Expertise in Web3
- Experience with version control systems (Git)
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- Experience working with blockchain platforms (Ethereum, Solana, Tron, etc.)
- Experience with cryptographic protocols and smart contracts
- Experience with DeFi
- Knowledge of decentralized application (dApps) architectures
- Understanding the specifics of cryptocurrency transactions and smart contracts
- English level: B1-B2
Nice to have:
- Experience with financial operations and high-load systems
- Knowledge of containerization and DevOps infrastructure (Docker, Kubernetes)
- Experience with programming languages: Rust, JavaScript, Python
Why join CryptoProcessing by Coinspaid
You’ll be joining a company that is actively shaping its space – with enough scale to matter and enough room to make an impact.
At Coinspaid, people are expected to think, contribute, and take ownership – and are supported in doing so.
We focus on flexibility, wellbeing, and long-term growth – without overcomplicating how benefits work.
Flexible Benefits
Benefit Bar – up to €230/month
A flexible monthly budget you can use for what matters most to you – from sports and mental health to coworking, home office, or medical-related expenses.
Work & Flexibility
- Fully remote work from almost anywhere
- Optional offices and relocation support
- Flexible, async-friendly environment
Discover our full range of relocation jobs with comprehensive support packages to help you relocate and settle in your new location.
Growth & Learning
- Budget for courses, certifications, and professional development
- Language learning support
- Cross-team learning and knowledge sharing
Wellbeing & Support
- Medical insurance or reimbursement depending on location
- Access to mental health support
- Financial support for important life events
Extras
- Merch shop with rewards system
- Team offsites and company events
Sounds good? Well then, we can’t wait to see your resume!
To learn more please visit: https://coinspaid.com/about-us/ & https://coinspaid.com/careers/
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