Software Engineer Lisboa

Software Engineer
Lisboa
Lisboa, Lisboa, Portugal

Senior. NET Backend Developer – Sportsbook Platform (Remote, Europe)

Full-time | Remote (Europe) | 100% B2B Contract | Salary DOE

We’re looking for a Senior. NET Backend Developer to join a
- impact engineering team building one of the most demanding
- time sportsbook platforms on the market. If you’re passionate about distributed systems ,
- driven backend engineering , and have experience working in sports betting or complex,
- based systems , this is the right opportunity.

About the Role

You’ll be part of a
- first team developing the core features that power a modern sportsbook, including trading engines, odds services, and
- availability APIs. This role is
- on and
- focused — no frontend work involved — with a strong emphasis on scale,
- time processing, and clean architecture.

What You’ll Be Doing

Build
- performance services using . NET Core 8/9

Develop and maintain scalable RESTful and g
RPC APIs

Work with Microsoft Orleans for distributed application development

Integrate Apache Pulsar for
- time message streaming

Design performant data solutions using SQL Server and Postgre
SQL

Optimize systems for low latency , fault tolerance , and high concurrency

Participate in Agile ceremonies and collaborate with developers, Dev
Ops, and product managers

Review code, ensure testing coverage, and contribute to improving development practices

Triage and resolve production issues in a
- paced environment

What You Bring

5+ years of experience working with . NET (C#) in backend environments

Strong understanding of distributed systems , messaging, and microservices

Experience with Microsoft Orleans or similar
- based frameworks

Familiarity with Apache Pulsar , Rabbit
MQ , or Kafka

Proven experience with SQL databases , ORMs , and performance tuning

Solid grasp of CI/CD , containerization ( Docker/Kubernetes ), and cloud platforms ( Azure or AWS )

Excellent written and spoken English communication skills

Strong troubleshooting skills and ability to work independently in a remote setup

Bonus Points For

Direct experience in sportsbook , betting , or trading system development — strongly preferred

Understanding of betting mechanics, odds calculations, and market types

Familiarity with compliance and uptime standards for gaming environments

Certifications (Microsoft, AWS, etc. ) or contributions to
- source projects

What We Offer

Long-term engagement with a rapidly growing tech organization

Fully remote setup within European time zones (flexible hours around CET)

Competitive salary package depending on experience and location

B2B Contract | Equipment budget | Health insurance (where applicable)

Learning & development budget, professional certifications

Fast-paced, collaborative team culture with clear ownership and autonomy