Senior Full-Stack Developer (React + Node.js), Sports Betting

MANDATORY hands-on experience with Odds88 or a comparable sports data / betting platform providers (Sportradar/Genius Sports/BetConstruct/Hub88/Softswiss ). This is the key selection criterion for this role.
The engineer must be able to build the full sports betting system: Odds88 integration, betting logic, and the bonus system around it.

Requirements

Position Name: Senior Full-Stack Developer (React + Node.js), Sports Betting
Level: Senior (only)
Hard skills requirements:
Hands-on experience with Odds88 or a comparable provider Sportradar, Genius Sports, BetConstruct, Hub88, Softswiss (MANDATORY, key requirement)
At least 6 years of software engineering experience
At least 45 years production experience with Node.js (Nest.js / Express.js / Koa.js), building and operating backend services
At least 4 years with React ability to deliver high-quality UI: responsive / mobile-first layouts, attention to detail, basic frontend performance hygiene
TypeScript in production: typing API contracts, safe refactors, avoiding any
Strong PostgreSQL + SQL: joins, aggregates, pagination patterns, indexing implications, transactions and isolation, row-level locks (SELECT FOR UPDATE), handling double-submit/double-spend scenarios
Third-party API integration experience external feeds, webhooks, retries, idempotency, reconciliation
Modern backend architecture: microservices, asynchronous communication, distributed systems basics (timeouts, retries, idempotency, backpressure)
Strong software design knowledge: OOD, FP fundamentals, design patterns, maintainable modular code
Proficient Git (PRs, reviews, branching, conflict resolution), Docker and CI/CD
Agile / SCRUM development practices
Would be great:
Direct Odds88 integration experience (strongest possible match)
Experience building bonus systems / promotions engines in iGaming
WebSockets at scale (live odds, real-time updates)
Messaging / eventing fundamentals (Kafka, RabbitMQ, SQS+SNS, NATS)
Tech/Team Lead experience
Observability: logs/metrics/tracing, SLO thinking
Soft skills requirements:
Strong communication can discuss past integration work in technical detail
Proactivity and ownership
Able to reason about tradeoffs and defend technical decisions
Fast and independent learner
Responsibilities:
Build sports betting functionality for the client's platform
Integrate with Odds88 and related sports data feeds
Build the system supporting bonuses, betting and everything related to sports
Deliver full-cycle features: design implementation testing rollout monitoring
Own data correctness and performance in Postgres (transactions/locking, indexes, migrations, query optimization)
Participate in architecture discussions, code reviews, documentation and production support
English: Upper-Intermediate must have
Office/Remote: Remote, full-time, long term