Job Description & Details
The finance‑technology space is booming as banks modernize legacy loan systems and automate payments. Companies need senior engineers who can bridge complex integration platforms with modern .NET services. This contract role offers a chance to lead high‑impact integrations on a critical loan‑IQ platform.
Job Summary
We are seeking a senior‑level .NET Software Engineer to design, develop, and maintain a Loan IQ integration platform focused on payments and downstream systems. The role is contract‑based (12 months) with a blend of onsite and remote work, requiring deep expertise in modern .NET, REST/SOAP services, XQuery, and file‑based integrations.
Top 3 Critical Skills Table
| Skill | Why it's critical | Mastery Level |
|---|---|---|
| .NET (Core / modern) | Core language for building and extending the integration platform | Senior |
| REST & SOAP APIs | Enables communication with payment gateways and downstream services | Senior |
| Loan IQ / Payments integration | Domain‑specific knowledge needed to handle loan data and payment flows | Senior |
Interview Preparation
- Explain how you would design a scalable .NET Core service that consumes both REST and SOAP endpoints.
What the interviewer is looking for: Understanding of abstraction layers, HttpClient vs. WCF, async programming, and error handling. - Describe your experience with XQuery and how you would use it to transform loan data files.
What the interviewer is looking for: Ability to work with XML, XPath/XQuery syntax, and integration into .NET pipelines. - Walk us through a past project where you integrated a legacy loan system with modern payment APIs.
What the interviewer is looking for: End‑to‑end integration experience, mapping data models, handling idempotency, and testing strategies. - How do you ensure security and compliance when transmitting payment data over SOAP/REST?
What the interviewer is looking for: Knowledge of TLS, WS‑Security, OAuth/JWT, PCI‑DSS considerations. - What performance monitoring tools and metrics would you implement for a high‑throughput integration service?
What the interviewer is looking for: Familiarity with Application Insights, Prometheus, latency, throughput, and error rate metrics.
Resume Optimization
- Senior .NET Engineer
- .NET Core
- RESTful APIs
- SOAP services
- XQuery
- Loan IQ
- Payments integration
- File‑based integration
- C2C contract
- 10+ years experience
Application Strategy
When reaching out to the recruiter, send a concise email greeting, attach your resume, and clearly highlight your top matching skills. Make sure to mention related skills you possess, such as modern .NET development, REST/SOAP integration, and hands‑on experience with Loan IQ or similar loan‑management platforms. Reference any relevant projects where you delivered payment or downstream system integrations.
Career Roadmap
| Current Role | Typical Experience | Core Focus | Next Position |
|---|---|---|---|
| Senior Software Engineer (.Net) | 10+ years | Complex finance integrations, architecture, mentorship | Lead Software Engineer |
| Lead Software Engineer | 12–15 years | Technical strategy, cross‑team delivery, stakeholder alignment | Engineering Manager |
| Engineering Manager | 15+ years | People management, project portfolio, budget oversight | Director of Engineering |
| Director of Engineering | 18+ years | Organizational leadership, product roadmap, executive partnership | VP of Engineering |