Staff Software Developer (C#/.NET, FinTech)

TL;DR

Staff Software Developer (C#/.NET, FinTech): Building and scaling hirify.global Treasury’s core liquidity management platform with an accent on technical leadership, cloud-native architecture, and end-to-end ownership of production systems. Focus on designing scalable distributed systems, integrating ERP and banking data via APIs, and developing AI/ML features for cash-flow forecasting and anomaly detection.

Location: In-office collaboration in New York (10+ days/month flexible in-office schedule)

Salary: $196,000 — $245,000 USD (annual base salary range for NY-based roles)

Company

hirify.global builds crypto solutions for financial institutions, businesses, governments, and developers to improve the global financial system.

What you will do

• Drive platform architecture decisions balancing scalability, maintainability, and rapid deployment; establish standards, patterns, and lead design reviews.
• Mentor engineers and improve engineering practices across coding standards, reviews, testing strategies, observability, incident response, and production excellence.
• Translate product and customer requirements into scalable technical solutions; collaborate with distributed teams across Ireland, the U.S., Philippines, and Australia.
• Improve development agility by eliminating bottlenecks and enhancing CI/CD, testing infrastructure, and deployment processes; lead post-mortems and retrospectives.
• Own critical systems end-to-end (design through production support), proactively prevent incidents, and make and communicate tough technical trade-offs.
• Build integrations and platform capabilities: ERP/banking API connectivity, worksheet engines, real-time dashboards, caching/aggregation, and automated compliance monitoring.

Requirements

• 8+ years of professional software engineering experience; 3+ years delivering complex, business-critical production systems.
• Experience owning and evolving significant parts of production systems end-to-end, including on-call and handling critical incidents.
• Proven technical leadership: led designs implemented by teams of 3+ engineers and mentored 2+ engineers.
• Strong cloud and infrastructure skills: AWS/Azure/GCP, Docker, Kubernetes, infrastructure as code, CI/CD, and observability (logging/metrics/tracing/alerting).
• Deep backend/distributed systems expertise: distributed systems patterns, message queues, multi-tenancy and data isolation, RBAC/authorization, audit logging, API versioning, feature flags, and progressive rollout.
• Core technologies: deep expertise in C#/.NET; expert relational database skills (SQL Server preferred); strong experience building RESTful APIs and frontend-adjacent React/TypeScript/JavaScript where needed.

Nice to have

• Knowledge of financial concepts (cash positioning, forecasting, liquidity management) and banking/payment systems (e.g., MT940, BAI2).
• Experience with multi-currency handling, exchange rates, and time zone date/time complexities.
• Awareness of financial compliance/regulatory requirements (e.g., SOC 2, data privacy).
• Experience integrating with third-party financial systems (banks, ERPs, payment processors).

Culture & Benefits

• Fast-paced startup environment with a professional development budget for learning.
• Flexible in-office collaboration: managers/teams decide which 10+ days per month to come in.
• Full-time benefits include competitive salary, bonuses, and equity; comprehensive healthcare and retirement benefits; employee giving match; mobile phone stipend.
• Time off and wellbeing: R&R days, generous vacation policy, wellness reimbursement, and weekly onsite & virtual programming.
• Parental leave and family planning benefits; catered lunches and fully stocked kitchens.

Hiring process

• Interview process includes technical evaluation of system design, architecture, and production ownership experience.
• Discussion of collaboration style and cross-functional delivery across distributed teams.
• Final steps include alignment on role scope and expectations for in-office collaboration.