Staff Fullstack Software Engineer (Fintech)

TL;DR

Staff Fullstack Software Engineer (TypeScript/Node.js/AWS): Building and optimizing a next-generation financial platform for deal execution, payments, and invoicing with an accent on scalable backend architecture and complex financial workflows. Focus on designing deterministic logic for commissions, integrating AI capabilities via LLMs, and managing secure data flows across financial domains.

Location: Hybrid — 4 days in office (Fitzrovia, London), 1 day remote

Company

hirify.global is a global AI-native technology solutions provider that partners with clients to develop cutting-edge, AI-powered digital products and platforms.

What you will do

• Design and implement services for revenue workflows, payment logic, and invoicing pipelines.
• Build robust APIs and full-stack features using TypeScript-native ORM tooling for schema management and query composition.
• Own integrations with internal systems (Salesforce, NetSuite) and external providers such as banks and payment processors.
• Implement structured financial logic, including contingent payments, commission calculations, and milestone-based billing.
• Integrate AI/LLM capabilities using Claude (Anthropic) and leverage Cursor to accelerate delivery.
• Build and deploy cloud infrastructure within AWS (EC2, Lambda, RDS, S3, IAM).

Requirements

• 7+ years of software engineering experience with a focus on backend or full-stack development.
• Production experience with Node.js, GraphQL, and PostgreSQL.
• Expertise with TypeScript-native ORMs, specifically Drizzle or Prisma.
• Hands-on experience with AWS services (EC2, Lambda, RDS, S3, IAM).
• Familiarity with event-driven systems (Kafka, SQS) and microservice patterns.
• Must be based in or able to work from the London office 4 days per week.

Nice to have

• Experience with financial systems, including trust accounting, GL integration, and revenue recognition.
• Familiarity with business platforms like Salesforce, NetSuite, or Concur.
• Experience with serverless architecture and FaaS patterns.
• Proficiency with AI tools (Claude API, Cursor) to optimize and automate development workflows.

Culture & Benefits

• High-impact environment with a strong commitment to professional development.
• Flexible and collaborative global culture with a vibrant community.
• Access to global opportunities within the organization.
• Total rewards package, with specifics determined by employment type and location.