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 4–5 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