Senior Backend .Net Engineer

Reposted Yesterday
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Lisbon
In-Office
Senior level
Cloud • Software • Database
The Role
Analyze and enhance a legacy CRE ratings platform, collaborating with stakeholders to modernize architecture, ensuring stability and performance, while leading cross-functional teams.
Summary Generated by Built In
Project overview
Our client is a leading commercial real estate advisory and service provider for large institutional investors, global corporations, and various owners and occupiers. Their mission is to simplify the process of leasing, buying, or selling properties across multiple sectors, including retail, office, multifamily, industrial, student housing, and hospitality. The team is committed to guiding clients through the real estate process, ensuring it is rewarding for everyone involved. 

In this role you will
  • Analyze the current legacy Commercial Real Estate (CRE) ratings platform, documenting existing architecture, workflows, and issues.
  • Collaborate with stakeholders to understand priorities and capture both business and technical requirements.
  • Design and deliver enhancements to the ratings system, ensuring stability, scalability, and performance.
  • Conduct a holistic end-to-end (E2E) review of the platform, including performance, security, code quality, and data architecture.
  • Propose and design the future-state architecture, incorporating best practices and a modernization roadmap tailored to business needs.
  • Work alongside cross-functional teams (product, QA, data, infrastructure) to ensure alignment and successful delivery of platform goals.
  • Participate in code reviews, documentation, and knowledge transfer sessions as needed.
  • Produce clear and actionable documentation to support technical decision-making and gain senior leadership buy-in.
  • Opportunity to lead the transformation of a critical CRE Ratings platform with significant business impact.
  • Work alongside a high-caliber team of global business and technology professionals.
  • Flexible working environment and competitive compensation.
  • A platform to shape the architectural vision and drive innovation in the commercial real estate sector.
If you have
  • 5+ years of experience as a Senior Engineer, Technical Lead, or in similar roles within enterprise technology environments.
  • Expertise in software architecture, SDLC (Software Development Life Cycle), and legacy system modernization.
  • Experience in reviewing and modernizing legacy systems built with C#, ASP.NET, and .NET frameworks.
  • Proven ability in requirements gathering, stakeholder management, and technical documentation.
  • Strong analytical, troubleshooting, and problem-solving skills.
  • A proven track record of delivering enhancements to business-critical platforms.
  • Excellent communication and presentation skills for both technical and business audiences.
  • Comfortable working independently and in distributed, cross-functional teams.
  • Familiarity with legacy and modern technology stacks.
  • Knowledge of cloud migration, microservices, and API-driven architectures.
  • A strong background in performance optimization and scalable design.
  • Prior experience with CRE, financial ratings, or property management platforms is a plus. 
  • Experience using AI tools daily to enhance productivity is a must.
Our client’s team fully embraces AI in their development workflows and expects the same mindset from new team members. Foundational coding skills remain essential, but what sets candidates apart is their ability to combine technical expertise with AI to accelerate delivery and solve complex problems smarter.
“AI is the lumber mill providing the wood; we ask candidates to complete the birdhouse.”

As an Opinov8r, you will have
- Hybrid Work Model: Balance your professional and personal life with our flexible working conditions. We offer a hybrid setup that empowers you to be productive and deliver your best. We’re launching an office space in Lisbon area, but you’ll only be expected to come in only once per week. 
- Exciting Projects: Dive into impactful projects across various industries that challenge and spark your creativity. Work on innovative solutions that push boundaries, giving you the chance to make a difference and drive change. 
- Boost Your Expertise: Elevate your career with unmatched experiences that expand your knowledge and master skills. We foster continuous learning and development opportunities that allow you to grow and reach new heights. 
- Join the Best Team Ever: Collaborate with our diverse and сross-cultural team of passionate technologists and creative thinkers who inspire and support. Together, we develop services that make a real impact on the world.
How's the hiring process going

We strive to make a smooth and transparent hiring process to find the perfect match for both sides. Steps may differ depending on the position — here's what to expect: 
- Initial Interview: if your background fits the role's criteria, we'll invite you for an interview with a recruiter to get to know you better. 
- Technical assessment: after the interview with a recruiter we'll send you two tech tasks to choose from. You'll need to complete only one of them. 
- Client’s Interview: meet with client representatives to discuss the role specifics and gain insights into the project's scope and expectations.
- Final Decision: after completing an interview with the client, we'll reach a final decision and get back to you with the result.

Top Skills

.Net
Ai Tools
Api-Driven Architectures
Asp.Net
C#
Cloud Migration
Microservices
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The Company
London
144 Employees
Year Founded: 2017

What We Do

Opinov8 is a trusted provider of custom software development and cloud and data services. Our team of experts has helped businesses across a range of industries to achieve their digital goals and stay ahead of the curve. We specialize in developing software solutions tailored to the unique needs of each client, whether it's a web or mobile application or an enterprise-level software system. What sets Opinov8 apart is our commitment to innovation and reliability. We use the latest technologies and development methodologies to ensure our solutions are of the highest quality and delivered in a timely manner. But what really sets us apart is our focus on building long-term partnerships with our clients. We understand that every business is different, and their needs can change over time. That's why we make sure our solutions are scalable and flexible enough to adapt to evolving business requirements. In addition to custom software development, Opinov8 also offers a range of cloud and data services to help businesses leverage the power of the cloud and gain valuable insights from their data. Our cloud strategy and migration services can help businesses move their operations to the cloud with ease, while their data architecture and engineering services ensure that data is managed efficiently and effectively. And with our big data analytics services, businesses can gain valuable insights into their operations and make data-driven decisions that drive growth and success. At Opinov8, we believe that every business has a story to tell. That's why we work closely with our clients to understand their unique needs, goals, and challenges. By combining our technical expertise with a human-centered approach, we deliver solutions that not only meet business requirements but also improve the lives of the people using them.

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