Senior Backend Engineer (Go)
About Us
This is a confidential selection process. We are a high-growth technology platform building next-generation solutions. Specific details regarding our market segment and company name will be fully disclosed during the first interview stage.
What We Offer
- Fixed PJ salary (to be negotiated)
- 100% Remote work
- Pleasant and collaborative work environment
- Significant growth opportunities
Position Title
Senior Backend Engineer (Go)
Objective
Design and implement a high-performance core exchange engine, focusing on order matching, clearing, and settlement for a multi-tenant B2B platform operating under high concurrency and low latency requirements.
Responsibilities
- Develop core exchange features: order matching, in-memory order books, and automated settlement.
- Build high-performance REST and gRPC APIs for web, mobile, B2B partners, and market makers.
- Optimize PostgreSQL and Redis for low-latency operations ($< 50$ms p99).
- Implement real-time data pipelines (Kafka or similar) for market events and liquidity.
- Collaborate with Quant teams to translate probabilistic models into pricing engines.
- Ensure financial integrity by protecting against race conditions and double-spending.
- Instrument services with metrics, distributed tracing, and alerts for rapid diagnosis.
- Maintain rigorous test coverage (unit, integration, load) and conduct code reviews.
Requirements
Mandatory
- 8+ years of experience in backend development.
- 6+ years of solid experience with Go (Golang).
- Deep knowledge of microservices, event-driven architecture, and API design.
- Proficiency with PostgreSQL, Redis, and asynchronous messaging (Kafka, RabbitMQ, or NATS).
- Hands-on experience with Docker and Kubernetes.
- Proven track record with low-latency and high-concurrency systems.
- English Fluency (Primary working language).
- Remote Setup: You must possess all necessary equipment (laptop, stable internet, etc.) to perform your duties remotely, as the company does not provide hardware at this time.
Desired (Nice to Have)
- Experience in financial exchanges, sports betting platforms, or High-Frequency Trading (HFT).
- Knowledge of order book systems, market making, or automated settlement.
- Proficiency in C/C++ or Rust.
- Familiarity with iGaming regulatory compliance (AML, KYC, geolocation).
Behavioral
- Ownership mindset regarding financial critical systems.
- Analytical profile focused on problem-solving and architectural scalability.
- Collaborative spirit for a remote-first, high-stakes environment.
Process Stages
- Application;
- Screening;
- HR Interview;
- Technical Task/Interview;
- Manager Interview;
- Offer;
- Contract Signature;
WE WILL ONLY CONSIDER AND ADVANCE WITH PROFESSIONALS WHO MEET ALL THE BASIC REQUIREMENTS OF THE VACANCY.
Are you ready to build the infrastructure of the future? Apply now and help us scale, or share this opportunity with a top-tier engineer who thrives on high-performance challenges!
Key Skills
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- Posted
- Mar 31, 2026
- Type
- Full-time
- Level
- Mid-Senior
- Location
- Portugal
- Company
- Confidential
Industries
Categories
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