Senior Backend Engineer - Hybrid

Reference:
VAC-323
Industry Specialisation:
Crypto, Gambling
Industry Sector
Global, Start-up, Corporate
Salary:
Salary negotiable
Town/City:
London
Contract Type:
Permanent

Our Client

Our client is a young and growing crypto igaming startup that’s redefining the future of gaming with blockchain technology and decentralized economies. Their mission is to create innovative, immersive experiences for players while integrating crypto in ways that push the envelope. As a young and dynamic team, they are looking for a Senior Backend Engineer to offer them a chance to work closely with experienced designers and marketers to shape the brand's online presence from the ground up.

Role Overview

As a Backend Engineer, you'll be responsible for building the core services that power our client's gaming products — including indexing of on-chain player and game data, orchestration of game logic, and integrating with external platforms for payment processing. You'll work in a serverless AWS stack and help bridge the blockchain and off-chain worlds.

Key Responsibilities:

  • Design and build scalable backend services using AWS Lambda, API Gateway, SQS and Event Bridge.
  • Implement business logic for balance tracking, payouts for players and affiliates and triggers for on-chain events.
  • Build APIs to support the frontend, admin dashboards, and analytics.
  • Securely integrate with the APIs of our chosen crypto custody platform.
  • Collaborate with smart contract developers to align contract and backend logic.
  • Implement monitoring, logging, and observability across services.

Key Skills and Qualifications:

  • Strong experience with TypeScript or Go
  • Deep knowledge of serverless architecture on AWS
  • Proficiency in Terraform and GitHub Actions
  • Experience with queuing, scheduled tasks, and event-driven systems (SQS, EventBridge)
  • Knowledge of financial transactions, auditing, and secure API interactions
  • Experience with event-driven architectures (e.g., EventBridge, SQS).

Nice to Have

  • Familiarity with TON or other L1 blockchain ecosystems.
  • Experience with multi-account AWS orgs and permission boundaries.
  • Crypto-native infrastructure background.
  • Experience with the Telegram SDK.

What's on Offer:

  • Competitive Salary + Performance-Based Bonuses
  • Hybrid Work Model – London Office with Flexible Remote Options
  • Opportunity to Shape the Future of Web3 Gaming & Community Engagement
  • Freedom to test, fail, and scale fast - backed by a team that knows how to win
  • Crypto & Gaming Allowances