The ideal candidate will have deep experience in SaaS/PaaS products, a strong ability to drive technical direction within a team, and a track record of delivering complex features end-to-end. This role will play a critical part in the ongoing platform modernization and industry transformation journey.
As a Senior Software Engineer at JLL Technologies, you will
Partner with Product and Architecture to define the technical approach for complex features; challenge requirements when a better design exists
Own end-to-end delivery of complex, multi-component features — from design through testing, deployment, and post-release health
Lead code reviews and set quality standards for the team; provide substantive, constructive feedback
Troubleshoot and resolve cross-system production issues; identify systemic root causes and drive remediation beyond the immediate fix
Leverage AI-assisted development tools (code generation, automated testing, code analysis) to improve code quality and delivery speed
Produce and own technical design documents for significant features or architectural changes
Actively mentor P2/P3 engineers; identify skill gaps and close them through pairing, review, and direct feedback
Drive engineering best practices and contribute to platform modernization efforts
Sounds like you? What we are looking for
Critical skills
At least a bachelor's degree in Computer Science or related field
8+ years of professional experience developing SaaS/PaaS products
Expertise in both frontend and backend development, or deep expertise in one with strong working knowledge of the other
Experience with .NET Framework / .NET 8 / .NET10— you will design and own significant portions of a .NET-based platform
Experience with ASP.NET Core MVC
API design and development of RESTful web services
Experience with distributed applications, service-oriented architecture, caching, and related concepts
Experience with asynchronous processing, queues, topics, and related technologies
Understanding business requirements and providing sound technical designs and solutions while leveraging critical thinking
Experience with design and development on relational databases
Working knowledge of cloud technologies (Azure preferred)
Working knowledge of DevSecOps practices and CI/CD pipelines
Active experience using AI-powered development tools (e.g. AI code generation, code review assistance, automated testing, AI-driven analysis) and the ability to evaluate and adopt new AI tools to improve software development workflows
Demonstrated mentorship or technical leadership of junior engineers
Ability to produce technical design documents and make architectural trade-offs (build vs. buy, sync vs. async, service boundaries)
Desirable skills
Experience leading or contributing to platform modernization efforts
Experience with ORM frameworks (Entity Framework, NHibernate)
Experience with the cloud ecosystem — Azure, NoSQL databases, Elasticsearch
Experience building and maintaining distributed applications using Kubernetes + Docker
Familiarity with JavaScript frameworks (React, Angular)
Familiarity with observability tooling (logging, tracing, alerting at scale)
Track record of reducing tech debt systematically, not just reactively
Experience with agile methodologies
What you can expect from us
You'll join an entrepreneurial, inclusive culture. One where we succeed together — across the desk and around the globe. Where like-minded people work naturally together to achieve great things.
Our Total Rewards program reflects our commitment to helping you achieve your ambitions in career, recognition, well-being, benefits and pay.
Join us to develop your strengths and enjoy a fulfilling career full of varied experiences. Keep those ambitions in sights and imagine where JLL can take you...
Apply today!
Location
Remote –Ostrava, CZE, Prague, CZE
If this job description resonates with you, we encourage you to apply even if you don’t meet all of the requirements. We’re interested in getting to know you and what you bring to the table!
At JLL, we harness the power of artificial intelligence (AI) to efficiently accelerate meaningful connections between candidates and opportunities. Using AI capabilities, we analyze your application for relevant skills, experiences, and qualifications to generate valuable insights about how your unique profile aligns with the specific requirements of the role you're pursuing.
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