Lead Backend Developer

Senior Lead Backend Developer Capital Markets <p data-end="563" data-start="273"><b>Location:</b> Remote (EST/CST)<br data-end="350" data-start="347" /> <b>Level:</b> Senior Lead / Individual Contributor (10+ years experience)<br data-end="423" data-start="420" /> <b>Engagement Type:</b> Contract (ASAP start; potential extension)</p> Position Overview <p data-end="1058" data-start="593">We are seeking a highly experienced <b>Senior Backend Lead Developer</b> to support a large-scale <b>Capital Markets Technology Transformation</b> initiative. This is a hands-on lead role focused on backend architecture and development across multiple Agile teams. The ideal candidate has strong experience building scalable <b>API-first backend services</b>, modernizing legacy systems, and establishing engineering best practices across development, testing, and delivery.</p> <p data-end="1270" data-start="1060">This role requires deep backend development expertise, strong technical leadership, and the ability to work cross-functionally with engineering teams, product stakeholders, and enterprise architecture partners.</p> Core Areas of Expertise <p data-end="1393" data-start="1306">Candidates should have demonstrated experience across several of the following domains:</p> <ul data-end="2056" data-start="1395"> <li data-end="1461" data-start="1395"> <p data-end="1461" data-start="1397"><b>Backend Engineering Leadership (Multi-Team Agile Delivery)</b></p> </li> <li data-end="1514" data-start="1462"> <p data-end="1514" data-start="1464"><b>.NET / C# Enterprise Application Development</b></p> </li> <li data-end="1570" data-start="1515"> <p data-end="1570" data-start="1517"><b>REST API Design + Swagger/OpenAPI Documentation</b></p> </li> <li data-end="1634" data-start="1571"> <p data-end="1634" data-start="1573"><b>SQL Server + Data Access Layer Development (Dapper ORM)</b></p> </li> <li data-end="1730" data-start="1635"> <p data-end="1730" data-start="1637"><b>Distributed Caching / High-Throughput Performance Systems</b> (Apache Ignite, MemSQL, etc.)</p> </li> <li data-end="1800" data-start="1731"> <p data-end="1800" data-start="1733"><b>Event-Driven Architecture + Messaging</b> (Solace, SignalR, etc.)</p> </li> <li data-end="1884" data-start="1801"> <p data-end="1884" data-start="1803"><b>CI/CD Pipelines + SDLC Governance</b> (Jenkins, Helios, Git branching strategy)</p> </li> <li data-end="1951" data-start="1885"> <p data-end="1951" data-start="1887"><b>Observability / Logging Tools</b> (ELK, Splunk, Serilog, etc.)</p> </li> <li data-end="2003" data-start="1952"> <p data-end="2003" data-start="1954"><b>TDD + Automated Unit Testing</b> (xUnit, NUnit)</p> </li> <li data-end="2056" data-start="2004"> <p data-end="2056" data-start="2006"><b>Modernization / Legacy Platform Transformation</b></p> </li> </ul> Key Responsibilities <ul data-end="3414" data-start="2089"> <li data-end="2212" data-start="2089"> <p data-end="2212" data-start="2091">Lead backend development efforts across multiple Agile scrum teams supporting a capital markets transformation program.</p> </li> <li data-end="2310" data-start="2213"> <p data-end="2310" data-start="2215">Build and execute scalable backend architectures aligned to enterprise engineering standards.</p> </li> <li data-end="2444" data-start="2311"> <p data-end="2444" data-start="2313">Design and implement modern RESTful backend services using <b>.NET / C#</b> with high-quality documentation via <b>Swagger/OpenAPI</b>.</p> </li> <li data-end="2547" data-start="2445"> <p data-end="2547" data-start="2447">Develop optimized data access layers and backend services using <b>SQL Server</b> and <b>Dapper ORM</b>.</p> </li> <li data-end="2678" data-start="2548"> <p data-end="2678" data-start="2550">Implement performance and scalability improvements through distributed caching technologies (e.g., <b>Apache Ignite, MemSQL</b>).</p> </li> <li data-end="2781" data-start="2679"> <p data-end="2781" data-start="2681">Support event-driven and real-time integrations using technologies such as <b>Solace and SignalR</b>.</p> </li> <li data-end="2898" data-start="2782"> <p data-end="2898" data-start="2784">Enforce strong engineering standards through code reviews, mentoring, and design guidance across multiple teams.</p> </li> <li data-end="3013" data-start="2899"> <p data-end="3013" data-start="2901">Drive best practices for exception handling, layered architecture, maintainability, and secure backend design.</p> </li> <li data-end="3130" data-start="3014"> <p data-end="3130" data-start="3016">Promote and implement <b>TDD</b> and unit testing frameworks (<b>xUnit, NUnit</b>) to improve reliability and quality.</p> </li> <li data-end="3285" data-start="3131"> <p data-end="3285" data-start="3133">Partner with CI/CD and DevOps stakeholders to support automated delivery using <b>Jenkins / Helios</b>, and align development workflows with SDLC policy.</p> </li> <li data-end="3414" data-start="3286"> <p data-end="3414" data-start="3288">Contribute to modernization initiatives, including re-writes and migration efforts, ensuring stable production-ready delivery.</p> </li> </ul> Qualifications <ul data-end="4466" data-start="3441"> <li data-end="3532" data-start="3441"> <p data-end="3532" data-start="3443">Bachelor's degree in Computer Science, Engineering, or equivalent practical experience.</p> </li> <li data-end="3617" data-start="3533"> <p data-end="3617" data-start="3535">10+ years of hands-on backend development experience in enterprise environments.</p> </li> <li data-end="3734" data-start="3618"> <p data-end="3734" data-start="3620">Proven backend development expertise using <b>.NET / C#</b>, including API-first design and microservices patterns.</p> </li> <li data-end="3837" data-start="3735"> <p data-end="3837" data-start="3737">Strong experience with relational databases and backend performance tuning (SQL Server preferred).</p> </li> <li data-end="3932" data-start="3838"> <p data-end="3932" data-start="3840">Demonstrated experience building REST APIs and documenting them using <b>Swagger/OpenAPI</b>.</p> </li> <li data-end="4029" data-start="3933"> <p data-end="4029" data-start="3935">Strong experience developing with <b>Dapper ORM</b> (or comparable ORM/data access frameworks).</p> </li> <li data-end="4124" data-start="4030"> <p data-end="4124" data-start="4032">Experience with distributed caching, messaging, and high-throughput backend system design.</p> </li> <li data-end="4229" data-start="4125"> <p data-end="4229" data-start="4127">Strong understanding of unit testing practices and frameworks (<b>xUnit, NUnit</b>) and TDD principles.</p> </li> <li data-end="4342" data-start="4230"> <p data-end="4342" data-start="4232">Ability to operate independently, lead technical delivery, and influence engineering standards across teams.</p> </li> <li data-end="4466" data-start="4343"> <p data-end="4466" data-start="4345">Strong written and verbal communication skills with the ability to collaborate in fast-paced transformation environments.</p> </li> </ul> Preferred Experience <ul data-end="4967" data-start="4499"> <li data-end="4596" data-start="4499"> <p data-end="4596" data-start="4501">Capital Markets domain exposure (trading, markets infrastructure, brokerage platforms, etc.).</p> </li> <li data-end="4688" data-start="4597"> <p data-end="4688" data-start="4599">Experience working in large-scale transformation programs or modernization initiatives.</p> </li> <li data-end="4782" data-start="4689"> <p data-end="4782" data-start="4691">Front-end familiarity with <b>React or Angular</b> to support cross-team delivery alignment.</p> </li> <li data-end="4862" data-start="4783"> <p data-end="4862" data-start="4785">Experience with enterprise observability tooling (ELK, Splunk, or similar).</p> </li> <li data-end="4967" data-start="4863"> <p data-end="4967" data-start="4865">Strong experience defining and implementing CI/CD and branching strategies aligned to SDLC governance.</p> </li> </ul> <p>.</p>