Senior Technology Lead

Position: Senior Technology Lead
Location: Vilnius, Lithuania 

*This role is open to Lithuania residents only.

We are seeking a highly skilled and experienced Senior Technology Lead with deep expertise in Rust programming to drive the design, architecture, and development of scalable, high-performance systems.

In this leadership role, you’ll mentor engineers and help architect and scale the systems behind global remittances, digital wallets, and decentralized financial infrastructure—leveraging blockchain technology and modern backend architecture. You’ll collaborate with cross-functional teams around the world to deliver secure, high-performance solutions that support our expanding user base.

This is a unique opportunity to shape the future of accessible, telecom-integrated financial services on a truly global scale.

Telcoin is a rapidly growing fintech startup headquartered in Singapore. We leverage blockchain technology to deliver fast, secure, and low-cost financial products—including mobile-based remittances and digital asset solutions. Currently operating in 17+ countries, Telcoin is building a global platform that connects users with modern financial tools through a telecom-integrated approach.

Our team includes telecom executives, startup veterans, finance professionals, and world-class engineers. We are now looking for a Senior Technology Lead to help scale our backend infrastructure and core remittance systems.

• Lead the end-to-end technical development of projects using Rust and related technologies

• Design, build, and maintain high-performance, secure, and scalable systems and APIs for Telcoin’s remittance platform and digital wallet

• Collaborate with product managers, architects, and stakeholders to define technical requirements and solutions

• Provide mentorship, technical guidance, and code reviews for team members

• Evaluate and introduce new tools and technologies to improve development efficiency and system performance

• Contribute to recruitment efforts, helping to attract and grow top Rust engineering talent

• Build and optimize high-performance microservices capable of processing 20,000+ requests per second

• Interface with blockchain components, mobile apps (iOS/Android), and third-party APIs (e.g., KYC, fraud, banking systems)

• Support integration of external financial systems, including banks and payment partners

• Implement secure solutions to manage KYC, PII, and financial transaction data

• 5+ years of software development experience, with 2–3+ years working extensively with Rust or another strongly typed systems language in production systems

• Strong understanding of systems programming, concurrency, memory safety, and performance tuning

• Proficiency in SQL and experience working with large-scale data pipelines

• Proven track record of leading complex engineering projects or teams

• Experience with cloud platforms (AWS, GCP, or Azure), containers (Docker, Kubernetes), Terraform, and modern DevOps practices

• Demonstrated ability to write secure, high-performance, maintainable code

• Comfortable operating in fast-paced, startup environments with global, distributed teams

• Excellent problem-solving, communication, and collaboration skills

• Experience in blockchain, cryptographic systems, or embedded development

• Familiarity with event-driven systems, Kafka, or analytics pipelines

• Background working with AML/KYC, compliance tools, or fraud prevention systems

• Prior exposure to financial services, digital wallets, or remittance systems

• Familiarity with WebAssembly, Actix, Tokio, or other Rust ecosystem tools

• Work on cutting-edge technologies in a high-impact, leadership role

• Be part of a collaborative, passionate team that values technical excellence and innovation

• Dynamic, entrepreneurial environment with room to grow

• Competitive salary, annual bonuses, and stock option plans