Backend Engineer

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🌽 Illinois – Remote

🌽 Illinois – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

🔙 Backend Engineer

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Tidal Financial Group

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2012

💸 Finance

💳 Fintech

📋 Compliance

Finance • Fintech • Compliance

Tidal Financial Group is a leading ETF investment and technology platform that specializes in managing exchange-traded funds (ETFs). With over 193 funds and $30 billion in assets under management, Tidal partners with various issuers to help clients successfully launch, manage, and grow their ETFs. The company offers a full suite of services, including strategy planning, regulatory compliance, portfolio management, and marketing, positioning itself as a premier choice in the ETF industry.

📋 Description

• Design and develop backend services, APIs, and real-time systems for internal trading applications and external-facing client platforms in C# / .NET 10, with a focus on reliability, performance, and maintainability. • Build and maintain integrations with Bloomberg using REST, FIX, and Pub/Sub APIs to support trading operations, market data, and transaction reporting workflows. • Implement real-time data delivery using SignalR and messaging patterns using Redis for caching, queueing, and pub/sub messaging. • Design and query relational data models using Entity Framework Core, LINQ, and PostgreSQL (AWS Aurora), while collaborating with the Data team on shared data needs, including Snowflake. • Implement and maintain application security, including SSO for internal applications and appropriate authentication/authorization patterns (OAuth2, OpenID Connect) for external-facing platforms. • Partner closely with frontend, data, and DevOps teams to define API contracts, align on requirements, and deliver solutions collaboratively and efficiently. • Contribute to architectural decisions, code reviews, and engineering standards, with an emphasis on clarity, simplicity, and long-term scalability.

🎯 Requirements

• 5+ years of backend software engineering experience with a strong focus on C# and modern .NET (.NET 6+, ideally .NET 10) • Deep proficiency in the .NET ecosystem, including Entity Framework Core, LINQ, SignalR, and related libraries • Strong experience with PostgreSQL and relational data modeling; comfortable writing and optimizing complex SQL queries • Experience building and securing both internal and external-facing APIs, including SSO integration (Microsoft Entra / Azure AD) and external authentication patterns (OAuth2, OpenID Connect) • Experience with Redis for caching, queueing, and pub/sub messaging patterns • Familiarity with gRPC, or openness to adopting it as part of the stack • Proficiency with Git/GitHub and modern development workflows (pull requests, code review, branching strategies) • Comfortable using JetBrains Rider or equivalent professional .NET tooling • Experience working in Agile environments, with a collaborative, team-first approach to planning and delivery • Strong communicator who can work effectively across teams, bringing clarity to technical decisions and aligning stakeholders without requiring close oversight • Self-directed and accountable, with the ability to manage priorities and follow through in a fast-moving environment. • Preferred: Experience with Bloomberg integrations using REST, FIX, and Pub/Sub APIs • Familiarity with ETF lifecycle concepts—basket creation, order management, NAV calculation, holdings reconciliation, and trade workflows • Awareness of AWS compute and infrastructure (ECS/EC2, Lambda, CloudWatch) • Familiarity with Snowflake as a data platform • Exposure to Next.js or modern frontend frameworks (helpful for cross-team collaboration) • Understanding of compliance frameworks such as SOC2 • Curiosity about financial markets and trading systems, with an interest in how technology supports real-time decision-making.

🏖️ Benefits

• Health insurance • Retirement plans • Paid time off • Flexible work arrangements • Professional development opportunities