Senior Software Developer – Backend API Engineering

Posted 13 Days Ago
Be an Early Applicant
New York, NY
In-Office
150K-170K Annually
Senior level
Software • Financial Services
The Role
Develop and optimize backend APIs using PHP Laravel. Integrate external APIs, manage databases, and enforce security compliance. Requires 5+ years of experience.
Summary Generated by Built In

About PactFi

Private asset markets (PE, Private Credit, VC, Real Estate) have 10x to 9.8T in AUM over the past decade and are projected to grow to $17T in the next five years. However, digital infrastructure has not kept pace, with most of the market operating predominantly in error-prone, internal-only software solutions.

PactFi provides secure, end-to-end, operational infrastructure for managing complex private credit transactions. Our web-based application brings together all parties involved in such a transaction to more efficiently allocate capital, complete KYC, share documents, manage funds flow, and more. The platform is secured to a bank-grade standard, and we have received our SOC 2 Type 2 attestation.

PactFi was developed in close partnership with two of the industry's largest players, both of whom represent the top 3 players in the private credit space by both size (AUM) and deal activity.

Key Responsibilities

Backend API Development & Optimization

  • Design, build, and maintain RESTful APIs using PHP Laravel to support PactFi’s financial workflows, partner onboarding, and investment operations.

  • Ensure APIs are secure, scalable, fault-tolerant, and optimized for low latency.

  • Implement API versioning, documentation, and automated testing.

Third-Party Integrations & Middleware

  • Develop integrations with financial data providers, custodians, broker-dealer systems, KYC/AML services, payment processors, and CRM platforms.

  • Build workflows for data synchronization, event processing, and multi-system orchestration.

  • Develop middleware solutions to normalize, validate, and transform financial data across external APIs and PactFi systems.

Database & Data Management

  • Design and optimize relational databases (MSSQL or MySQL) for investment data, partner information, and operational workflows.

  • Ensure strong data governance, auditability, and compliance with financial-sector data requirements.

  • Build data-layer tools for secure and reliable data movement.

Security, Compliance & Access Control

  • Implement secure authentication & authorization: OAuth2, JWT, API keys.

  • Develop and maintain role-based access controls (RBAC) aligned with financial industry requirements.

  • Conduct security audits, vulnerability assessments, and compliance reviews.

  • Enforce encryption and secure handling of sensitive financial and customer data.


Qualifications

Required

  • 5+ years of backend development experience with PHP Laravel.

  • Strong expertise in RESTful API architecture and distributed backend systems.

  • Experience integrating with external APIs (financial systems, CRMs, payment platforms, KYC/AML providers).

  • Strong database skills with MSSQL, MySQL, and caching systems such as Redis.

  • Proficiency with automated testing frameworks and API monitoring.

  • Strong debugging, performance tuning, and problem-solving ability.

What We Offer

  • Competitive salary + equity.

  • Healthcare coverage.

  • 401k

Top Skills

Jwt
Mssql
MySQL
Oauth2
Php Laravel
Redis
Restful Apis
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The Company
HQ: New York, New York
22 Employees
Year Founded: 2021

What We Do

Private asset markets (PE, Private Credit, VC, Real Estate) have 10x to 9.8T in AUM over the past decade, and are projected to grow to $17T in the next five years. The development of technology built to service such a massive market has not kept pace. Workflows are manual, systems are siloed, and data is static.

Dealmaking (the core activity of private markets) is an inherently collaborative activity, yet the industry lacks infrastructure on which participants can work directly with each other. PactFi’s cloud application brings identity, workflow and data structure together within one platform to generate powerful process and capital efficiencies that changes the way people work and invest.

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