API Engineer II at Trepp

New York, New York, United States -

Full Time

Start Date

Immediate

Expiry Date

06 Apr, 26

Salary

165000.0

Posted On

06 Jan, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Api Development, Backend Engineering, TypeScript, JavaScript, Node.js, Restful Api, PostgreSQL, Redis, NoSQL, Dynamodb, Mongodb, Asynchronous Programming, Event-Driven Architecture, Caching, Performance Optimization, Debugging, Observability

Industry

Financial Services

Description

(This position is based in Trepp's NYC office which operates in a hybrid work schedule) Experience Level: Software Engineer II (Mid-level) As a Software Engineer II – API Engineering, you will design, develop, and optimize RESTful APIs and backend services that power Trepp’s enterprise-grade platforms. You’ll work primarily in TypeScript/JavaScript and focus on building performant, scalable, and reliable systems. This role emphasizes strong backend engineering fundamentals, efficient coding practices (time/space complexity), and leveraging Node.js/TypeScript’s event-driven runtime for reactive and asynchronous workflows. Responsibilities REST API & Backend Development (Must-have Focus) Design, implement, test, and maintain RESTful APIs and backend services using TypeScript/JavaScript (Node.js). Apply API design best practices: consistent resource modeling, validation, pagination, error handling, versioning, and backward compatibility. Implement secure authentication/authorization patterns as needed (e.g., JWT, OAuth2, API keys, RBAC). Performance & Efficient Engineering Write efficient, production-quality code with clear awareness of time and space complexity, choosing appropriate data structures and algorithms. dentify and resolve performance bottlenecks (latency, throughput, memory usage) through profiling and targeted optimization. Apply caching and data-access optimization patterns to improve responsiveness and reduce load (e.g., leveraging Redis appropriately). Event-Driven & Reactive Coding Build services that leverage the event-driven nature of Node.js/TypeScript, including async/await, streaming, and message-based workflows. Implement resilient asynchronous patterns (idempotency, retries, backoff, dead-letter handling where applicable). Ensure workflows are observable and debuggable through structured logs, metrics, and tracing. Data Stores & Persistence Design and implement storage strategies and access patterns across data stores, including: Relational: PostgreSQL (schema design, query optimization, migrations) Cache/Key-Value: Redis (TTL, invalidation strategies, cache-aside patterns) NoSQL: experience with at least one of DynamoDB (key design and access patterns) OR MongoDB (document modeling) Make pragmatic tradeoffs around consistency, transactions, performance, and maintainability. External API Integrations Integrate with third-party/external APIs and internal services with strong handling of timeouts, retries, rate limits, and circuit breakers. Design for schema evolution and backward compatibility when upstream providers change. Follow secure secret management and credential rotation practices; build maintainable, testable adapters/clients. Quality, Delivery & Collaboration Participate in code reviews and contribute to team standards for readability, maintainability, and reliability. Write unit/integration tests and support CI/CD pipelines to enable fast, safe deployments. Partner with product, QA, and other engineering teams to deliver high-quality solutions. Required Qualifications 5+ years total professional software engineering experience. 3+ years backend engineering experience building production services in TypeScript and JavaScript, with strong proficiency. Must-have: Proven RESTful API design/development experience with strong command of HTTP methods and HTTP status codes. Strong understanding of Node.js/TypeScript asynchronous and event-driven runtime behavior (non-blocking I/O, concurrency patterns). Demonstrated ability to write efficient code and reason about performance using time/space complexity concepts. Proficiency with PostgreSQL and Redis, plus experience with at least one NoSQL datastore (DynamoDB or MongoDB). Experience integrating with external APIs, including reliability patterns (timeouts, retries, rate limiting) and secure handling of credentials/secrets. Strong debugging skills and familiarity with observability fundamentals (logging, metrics, tracing). Preferred Qualifications Experience with AWS (e.g., Lambda, API Gateway, SQS/SNS, EventBridge, DynamoDB, CloudWatch, ECS/EKS). Experience with event-driven architectures and asynchronous messaging patterns (pub/sub, queues, eventual consistency). Experience with serverless computing and understanding of operational/performance tradeoffs (cold starts, concurrency limits, cost considerations). Familiarity with containerization and CI/CD (e.g., Docker, GitHub Actions). Familiarity with infrastructure-as-code and deployment tooling (e.g., Terraform, Serverless Framework). OpenAPI Specification (Swagger) documentation experience for API definition, documentation, and collaboration. Familiarity with observability tooling (e.g., OpenTelemetry, Datadog, CloudWatch, ELK/OpenSearch) and API security best practices. Salary Base salary starting from $165k plus bonus eligible Benefits and Perks Base + target bonus compensation structure Medical, Dental, Vision insurance 401K (with employer match) Student Debt Retirement Plan Life insurance, long term disability, short term disability all covered by the company Flexible paid time off (PTO) Sixteen (16) weeks paid primary caregiver leave (Biological, adoptive, and foster parents are all eligible) Four (4) weeks paid parental leave Pet insurance Laptop (company issued) + WFH equipment reimbursement Career progression plan Pre-tax commuter benefit with company subsidy (For NYC-office based employees only) Involvement in Diversity and Inclusion programs Fun company events and volunteering opportunities Applicants for employment in the US must have work authorization that does not now or in the future require sponsorship of a visa for employment authorization in the United States and with Trepp (i.e., H1-B visa, F-1 visa (OPT), TN visa, or any other non-immigrant status). Workplace Policy NYC, Dallas, and London office-based positions: Trepp’s offices follow a 3–2 hybrid-working policy with the expectation of in-office work on Tuesday–Thursday and the option to work from home on Monday and Friday. Trepp maintains a drug-free workplace.

Responsibilities

Design, develop, and optimize RESTful APIs and backend services using TypeScript/JavaScript. Ensure efficient coding practices and implement secure authentication/authorization patterns.