Syntax3mo ago

Mid-Level / Senior Software Engineer

New-York CityFull-Timesenior

OtherMid Level Software Engineer

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Quick Summary

Overview

About Syntax Data Syntax is a financial data and technology company that codifies business models into a relational system called Affinity® Data.

Technical Tools

OtherMid Level Software Engineer

About Syntax Data

Syntax is a financial data and technology company that codifies business models into a relational system called Affinity® Data. Using its patented FIS® technology inspired by the systems sciences, Affinity® Data offers the most comprehensive, granular, and accurate product line revenue data available on public companies in the market. This technology is leveraged to classify and analyze private markets at scale.

Syntax Direct℠, is an index modelling and analysis platform that uses this abundance of data to facilitate the near instantaneous creation and ongoing management of boundless direct indexing solutions and rules-based equity portfolios through a fully automated platform. Syntax Indices provides customized and proprietary indices, including core global benchmarks and micro- and macro-thematic, smart beta, defined outcome, and target volatility indices. These indices are foundational for a range of financial products, such as ETFs, UITs, and structured products.

About the Role

Syntax’s Software Engineering team is a group of highly motivated people with a passion for technology. As a Mid-Level or Senior Software Engineer you will be responsible for developing, maintaining and innovating on Syntax’s financial software and data products. You will be tasked with writing optimized, performant code, and be expected to contribute to the planning and design of our products. Your work will contribute to the development of web applications, data pipelines and third party integrations. You will mentor peers, conduct code reviews, and provide direct feedback into Syntax’s software engineering process and improve the efficiency of the team.

Designing, enhancing and maintaining large financial databases for use in web applications

Developing and maintaining database systems supporting the construction of performant, complex queries

Writing well-designed APIs and working with backend services

Creating flexible and intuitive client-facing JSON APIs for streaming data

Implementing dynamic front-end layouts to design specifications

Ensuring that mission critical systems and services operate smoothly by triaging and resolving operational issues as part of a team of on-call engineers

Collaborating with cross-functional teams to identify and solve complex problems

A bachelor’s degree or higher in computer science or a related discipline

Proficiency in relational database systems such as Postgresql

Familiarity with JavaScript and at least one modern front-end framework

An eye for code quality, familiarity with design patterns and best practices

Excellent problem-solving skills and the ability to work independently and collaboratively in a fast-paced, agile environment

Strong communication skills and the ability to articulate technical concepts effectively to both technical and non-technical audiences

Experience with python and a dataframe library such as Polars or Pandas

Experience working in finance or financial technology

Prior professional experience working with and deploying to cloud environments such as AWS, DigitalOcean, or equivalent

Experience with Ruby on Rails or similar MVC framework

Familiarity with Infrastructure as Code and tooling such as Terraform or AWS CDK

Listing Details

Posted: January 21, 2026
First seen: March 26, 2026
Last seen: April 24, 2026

Posting Health

Days active: 29
Repost count: 0
Trust Level: 33%
Scored at: April 24, 2026

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Syntax

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Syntax is a leading managed cloud provider for mission-critical applications, specializing in implementing and managing multi-ERP deployments (SAP and Oracle) in various cloud environments.

Employees

3k+

Founded

1972

Domain

Jobs

External application · ~5 min on Syntax's site

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