Senior API Engineer

SW5 Consulting; New York (NY); Remote; USD 150,000 - 200,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

401(k)

Job summary

A dynamic market data provider is looking for a Senior API Engineer to develop and maintain web backend systems and APIs for their core products. The role requires strong experience in API design and proficiency in Python, C++, or Rust. Candidates with a background in high-growth tech startups are preferred. The position offers a competitive salary up to $200k, along with health benefits and the option for 100% remote work.

Qualifications

• Proficient in at least one of Python, C++, or Rust.
• 3+ years of experience with web APIs.
• Experience with containerized application deployment.

Responsibilities

• Develop web backend and APIs for core products.
• Maintain existing web and data applications.
• Improve performance and developer experience.

Skills

Proficient in Python, C++, or Rust

Experience designing REST APIs

Familiar with Docker and Kubernetes

Familiar with CI/CD processes

Experience with financial data

Education

Degree in computer science or related field

Tools

GitLab CI

MySQL

Redis

Job description

Senior API Engineer needed for this well-funded start-up. The company are a next-generation market data provider.

Your role will be to work with Engineers and Product teams to develop web backend and APIs for our core products. You will be maintaining existing web and data applications whilst improving performance and developer experience of our web APIs.

Required experience

• Proficiency in at least one of the following languages: Python, C++, Rust.
• 3+ years of work experience designing, implementing and/or integrating web APIs (REST, GraphQL, RPC, Postman).

Desired qualifications

• Prior work experience at a high growth tech startup or electronic trading firm.
• Experience with single page applications and modern web app architectures.
• Experience with containerized application deployment (Docker, Kubernetes).
• Experience with release engineering, CI/CD and zero downtime deployment practices (GitLab CI, TeamCity, Spinnaker).
• Experience with financial data (market data feeds, time series, security references, machine-readable news) or analytics.
• Experience with Python web frameworks (Django, Flask, FastAPI).
• Experience with database design and administration (MySQL, Redis, Clickhouse).
• Familiarity with reverse proxying and load balancing (Traefik, HAProxy, direct server return).
• Experience working within a Linux environment.
• Degree in computer science, applied mathematics, or a related field.

The positions are paying circa $150k for mid-level and $200k + for Seniors. They offer health, dental, disability, and life insurance benefits, as well as 401(k). They offer 100% remote work.