Senior Backend Engineer, Integrations & Platform (Remote)

FutureFit; New York (NY); Remote; USD 150,000 - 210,000; Full time

Benefits offered by this job

Dual hubs: Toronto & NY offices

Founder access to visionaries

Growth investment budget

Unlimited time off policy

Comprehensive healthcare

401k plan

Tech enablement reimbursement

Flexible scheduling

Job summary

FutureFit is seeking a Senior Backend Engineer (Integrations & Platform) to design and operate scalable back-end systems powering critical data integrations with government and enterprise partners. You will own async workflows, error handling, and automated operations to reduce manual work and improve reliability.

You will build durable integration patterns, trace issues with observability tools, and collaborate with external vendors to coordinate API changes, all while mentoring peers and

Qualifications

• Comfort working effectively in a fully remote environment.
• Proven experience building and maintaining complex data integrations at enterprise or government scale (deep data integration work).
• 5 to 8+ years of senior-level, hands-on experience in backend, platform, or integration engineering, with a focus on building reliable systems for complex external integrations.
• Proficiency with at least one SQL or NoSQL database in production.
• Strong understanding of asynchronous workloads and processing.
• Experience developing reliable, production-grade backend systems.
• Strong experience with TypeScript and Node.js.
• AWS experience (Lambda, EventBridge, SQS); Azure experience is transferable.
• Frontend or full-stack development experience.
• Experience with financial, banking, or similarly complex data integrations.
• GraphQL API design, MongoDB or DynamoDB for async state management.
• Experience with legacy enterprise or government systems.
• Multi-tenant architecture experience

Responsibilities

• Design, build, and maintain deep, bidirectional data integrations with government and enterprise partners.
• Develop reliable async processing using queues, retries, idempotency, and eventual consistency patterns.
• Implement operational automation via backend services, Lambda functions, and internal tools.
• Add observability through structured logging, metrics, tracing, and alerting.
• Stay close to running systems to debug issues, including code you didn’t write.
• Establish integration standards and reusable patterns across the platform.
• Collaborate with external vendors on API changes and coordinated deployments.
• Lead pattern identification and infrastructure reuse across integrations or platform systems.
• Mentor engineers on reliability patterns, async workflows, and operational excellence.
• Present technical deep-dives to broader engineering teams.

Skills

Backend engineering

Data integrations

Asynchronous processing

Observability

Reliability patterns

Mentoring

Communication

TypeScript

Node.js

Lambda

SQS

EventBridge

MongoDB

SQL

NoSQL

Azure (transferable)

Tools

MongoDB

CloudWatch Logs Insights

SQL

NoSQL

TypeScript

Node.js

Lambda

SQS

EventBridge

Azure

Job description

FutureFit is seeking a Senior Backend Engineer (Integrations & Platform) to design and operate scalable back-end systems powering critical data integrations with government and enterprise partners. You will own async workflows, error handling, and automated operations to reduce manual work and improve reliability.

You will build durable integration patterns, trace issues with observability tools, and collaborate with external vendors to coordinate API changes, all while mentoring peers and