Role Description We have an exciting opportunity for you if you are doing freelance IT training. We are currently hiring for freelancer technical (IT & Software) trainers. It would be the best opportunity for you to make a handful of side hustles. What we expect from you: - Technical trainers should have more than 5 years of experience in the respective field. - Ability to make students do individual toy projects on the respective skill. Qualifications - Experience: 2-10 Years - Qualification: Any Degree Benefits - Flexible Timings, Spend only 1-2 hours daily - Online & Offline are both available - Work on Weekdays or Weekends as per your schedule - On-time payments & Dedicated Support Company Description Kindly check our website ( https://www.btreesystems.com/ ) to check the current training we are providing. If you are already doing any of this training, feel free to join us.

• Lead design and development of backend services and integrations across platform components • Drive integration efforts between platform components and blockchain layers • Collaborate closely with cross-functional teams to define and deliver solutions • Guide the team on implementation, quality, and engineering best practices • Ensure alignment across services in a highly integrated environment • Contribute to system design, technical documentation, and diagrams • Ensure code quality and reliability through testing and continuous improvements • Troubleshoot and resolve issues across distributed systems and integrations

Role Description We invite a Senior Software Engineer to join our team and help develop new components within a large-scale fintech data platform in the private markets domain. In this role, you’ll lead a team focused on integrating platform components with blockchain layers, working across a complex, multi-system environment. - Work on a new component within an established fintech platform with 20+ internal services and 15+ external integrations - Work with blockchain systems and smart contract integrations in real-world applications - Lead technical decisions and guide a team of engineers in building complex systems end-to-end Qualifications - 5+ years of backend and distributed systems development experience - Strong practical experience with blockchain-integrated systems and enterprise architecture design - Proven ability to define and deliver end-to-end blockchain architecture and integration strategy - Experience building stand-alone blockchain developer tools and SDKs - Experience shaping Layer 2 direction (rollups, sidechains, payment channels, where applicable) - Experience designing token-based access control and billing architecture - Experience with wallet and transaction lifecycle design for production systems - Experience with cross-chain integration and interoperability strategy - Strong focus on scalability, security, and cost efficiency of blockchain components - Experience building and operating microservices with multiple integrations - Strong experience with Kubernetes and containerized deployments (Docker) - Experience with Infrastructure as Code (Terraform or equivalent) - Experience with event-driven architecture and distributed system reliability patterns - Strong experience with PostgreSQL and practical knowledge of Redis - Solid understanding of software architecture and system design - Strong focus on clean, maintainable code and automated testing - Experience producing technical documentation, including C4 and UML artifacts - Experience as a Technical/Team Lead with end-to-end ownership of delivery and technical decisions - Hands-on expertise with AI software development tools (for example Cursor and Claude Code), including ability to guide team adoption and maintain quality at high delivery speed - Strong communication, cross-functional collaboration, and stakeholder alignment skills - Strong analytical thinking, problem-solving skills, and ability to work in fast-changing environments with high ambiguity Requirements - Experience with LangChain and MCP tooling - Familiarity with RAG and modern vector databases - Experience with AWS or Azure and cloud-agnostic design - Background in fintech, data platforms, or private markets domains Benefits - 30 paid days off per year — take them whenever you want for vacation, holidays, or personal time - 5 paid sick days, up to 60 days of medical leave, and 6 paid days off per year for major family events like weddings, funerals, or the birth of a child - Partially covered health insurance after the probation, plus a wellness bonus for gym memberships, sports nutrition, and similar needs after 6 months - Grow your skills with English lessons, online training, conferences, and the option to explore new career paths Key Responsibilities - Lead a team building integrations across platform components and blockchain layers - Lead design and development of backend services and integrations across platform components - Drive integration efforts between platform components and blockchain layers - Collaborate closely with cross-functional teams to define and deliver solutions - Guide the team on implementation, quality, and engineering best practices - Ensure alignment across services in a highly integrated environment - Contribute to system design, technical documentation, and diagrams - Ensure code quality and reliability through testing and continuous improvements - Troubleshoot and resolve issues across distributed systems and integrations

• Guardian of Uptime: Take primary responsibility for ensuring the stability and availability of our production applications and blockchain infrastructure. • Environment Management: Oversee pre-production and staging environments to ensure seamless delivery. • Incident & Problem Management: Lead the triage of application alerts, conduct deep-dive root cause analysis (RCA), and manage post-resolution follow-ups to ensure issues never resurface. • Disaster Recovery: Coordinate DR testing, audits, and continuous improvement of monitoring tools and processes. • Support Transformation: Apply hands-on AI experience to build tools and agents that automate repetitive support tasks, triage, and reporting. • Proactively keeping abreast with updates on supported blockchains and DApps and demonstrating a sharp ability to technically deconstruct new blockchains or DApps as required to evaluate their impact of supportability on our product.