<div><b>Access Softek</b> is looking for a <b>Principal Software Engineer</b> to lead the development and architectural evolution of a critical <b>Backend-for-Frontend (BFF)</b> service in our fintech platform.</div><div>This service acts as an <b>API Gateway</b>, aggregating data from multiple backend microservices and delivering it to frontend clients (web, mobile, middleware). Built on <b>.NET 8</b>, containerized with <b>Kubernetes (EKS)</b>, and fully instrumented with <b>OpenTelemetry and Kibana</b>, it plays a central role in how our users experience the product.</div><div><br /></div><div><b>Approximate Working hours:</b></div><div>2am-10am PDT/PST time zone but suitable insignificant offset in both directions.</div><h3>What You Will Do</h3><ul><li>Lead the design, development, and improvement of a high-load BFF service serving all frontend channels.</li><li>Collaborate closely with frontend, backend, DevOps, and architecture teams to define and deliver optimal APIs and data flows.</li><li>Drive the <b>modernization of the service architecture</b>, including the deprecation of legacy systems (e.g., Orchard CMS) and a shift toward more modular, REST-first solutions.</li><li>Own production reliability and performance: detect bottlenecks, propose improvements, and lead implementation.</li><li>Ensure sufficient test coverage, clean architecture, and maintainable code using modern engineering practices.</li><li>Contribute to observability and service quality through tracing, logging, and metrics.</li><li>Provide clear documentation for internal consumers and API users.</li><li>Act as a <b>technical leader</b>, contributing to architectural decisions, mentorship, and technical communication across teams.</li></ul><h3>What We Expect</h3><ul><li>5+ years of development experience in web applications and/or backend APIs using С#.</li><li>Strong knowledge in Objected Oriented Design principles, experience applying classic design and structure patterns (GoF).</li><li>Experience in the project with micro-services.</li><li>Strong problem solving abilities, system thinking.</li><li>Strong experience with data modeling, MS SQL Server and data access layer optimizations.</li><li>Experience in writing unit and integration tests (using NUnit, xUnit frameworks and FluentAssertions, Moq libraries).</li><li>Expertise with DevOps practices and tools, practical experience with Git.</li><li>Tech lead experience with complex projects, like expertise in refactoring legacy codebases, optimizing process flows, and analyzing and implementing architectural decisions.</li><li>Great communication skills, experience in leading technical discussions.</li><li>Eager to learn and build up new skills.</li><li>Intermediate+ English.</li></ul><h3>It Would Be Great If You Have</h3><ul><li>Have a goal-oriented approach and the skills to drive processes with a long-term perspective. </li><li>Possess strong abilities to explain the pros and cons of solutions/proposals effectively.</li></ul><h3>Our Benefits</h3><ul><li>Remote-friendly role, depending on location eligibility.</li><li>Flexible working hours.</li><li>Experienced development teams.</li><li>Long-term employment.</li><li>Paid vacation and days off on national holidays.</li><li>Paid sick leave and internal medical insurance policy.</li><li>Compensation for training and additional education.</li><li>Community of practice, regular knowledge sharing among colleagues.</li><li>Internet compensation (50$ per month).</li><li>Home office equipment (computer, additional monitor, etc.), if necessary.</li><li>And other benefits, described in detail in the Staff Handbook.</li></ul>