Backend Engineer

About us
Piogroup Software is a team of professionals passionate about technology and product development. We are now looking for a Trading Account Integration & Reporting Developer to take ownership of trading account integrations, reporting, and subscription management systems.

This role is critical to ensuring that a prop firm runs reliably around account lifecycle management, end-of-day processing, subscription sync, and account integrity across multiple third-party trading platforms.

The ideal candidate has experience integrating with trading platform APIs such as Tradovate, Rithmic, Ignite, cTrader, MetaTrader, CQG or similar, strong REST API skills, and a track record of building reliable, failsafe systems in a high-volume trading environment.

Requirements:

— 5+ years of experience in backend development / integration development;

— Proven experience integrating trading platform APIs in production: Rithmic, Tradovate, Ignite, cTrader, MetaTrader, CQG or similar;

— Strong experience with C# for backend service development;

— Experience with REST API consumption, including pagination, retry logic, rate limiting, and authentication token management;

— Experience with webhook implementations, including signature verification and idempotent event processing;

— Experience with signature verification approaches such as Ed25519 and HMAC;

— Experience building robust error handling, monitoring, alerting, and failover systems;

— Strong SQL skills, preferably PostgreSQL;

— Experience debugging data integrity issues across related tables;

— Ability to work independently while coordinating with other developers on the team;

— Upper-Intermediate or higher level of English.

Nice to have:

— Exposure to prop firm infrastructure, trader risk management, or drawdown/payout systems;

— Experience with Java / Spring Boot;

— Experience with Docker and cloud deployment: AWS, DigitalOcean, Azure or similar;

— Experience with CI/CD pipelines, such as GitHub Actions, GitLab CI or similar;

— Exposure to compliance and audit requirements in fintech;

— Experience debugging distributed system issues: duplicate events, race conditions, cross-system timing bugs.

Personal qualities:

— High ownership and responsibility for production systems;

— High responsiveness and accountability in a fast-moving environment;

— Ability to work independently and manage priorities;

— Accuracy when working with financial, account, and reporting data;

— Strong analytical and problem-solving skills;

— Ability to maintain clear documentation and SOPs.

Responsibilities:

— Own and manage all trading platform integrations, including account creation, suspension, reactivation, and balance adjustments across the API, currently Ignite / Tickblaze, and any future platform integrations;

— Take full responsibility for end-of-day reporting workflows and ensure reports run reliably, process correctly, and update trader dashboards without disruption;

— Build monitoring and alerting around EOD failures, sync issues, and webhook delivery failures, so problems are caught before they impact traders or dashboards;

— Develop automatic recovery systems, including retry logic with exponential backoff, token refresh, and idempotent operations, to minimize downtime and manual intervention;

— Reconcile WooCommerce subscription statuses with trading accounts to ensure only paid users retain active accounts;

— Create audit tools to detect and clean up ghost accounts, orphan statistics, and balance chain inconsistencies;

— Handle webhook integrations with signature verification and replay protection;

— Collaborate with WordPress / WooCommerce developers to ensure a smooth subscription-to-account creation flow;

— Maintain clear documentation and SOPs for all integration processes;

— Stay updated on trading platform API changes and best practices.

We offer:

— Fully remote contractor engagement;

— Full-time cooperation, typically 40+ hours per week;

— Flexible schedule with responsibility for meeting deadlines;

— Opportunity to take ownership of an established production integration stack;

— Support during onboarding;

— Cooperation with a fast-moving global team environment;

— Work on critical backend infrastructure for a production trading system.

Work environment:

— Must maintain at least 5 hours of overlap with U.S. Eastern Time for meetings and collaboration;

— High responsiveness and accountability are expected;

— Reliable high-performance computer is required;

— Stable, high-speed internet is required;

— Quiet, professional home office setup is required.

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