Senior Software Engineer

Harnham

Jacksonville (FL)

On-site

USD 140,000 - 150,000

Full time

14 days+

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Benefits offered by this job

Medical, Dental, and Vision coverage

401k through Fidelity

15 PTO days (increasing to 20 after 5 years)

12 Paid Holidays + 1 Floating Holiday

$150,000 base salary + 10% bonus

Job summary

A global specialty insurer in Jacksonville, FL, seeks a Senior Software Engineer to lead the design and deployment of a new data mapping application built in React. This unique opportunity involves working on greenfield projects and collaborating with senior leadership in a rapidly evolving environment. Ideal candidates have 6+ years of experience, strong API skills, and a commitment to ownership and leadership in development.

Qualifications

6–8+ years’ software engineering experience (full stack focus).
Strong depth in React and API development.
Proven greenfield project experience (designing and coding from scratch).
Confident, opinionated, and able to take ownership and lead builds.

Responsibilities

Own the design, build, and deployment of a new data mapping application built in React to integrate source files into Snowflake.
Lead greenfield development efforts, from design to production.
Collaborate with senior engineering leadership and cross-functional teams.

Skills

React

API development

Greenfield project experience

Hands-on deployment

Tools

Python

Snowflake

Tailwind

Job description

Overview

This range is provided by Harnham. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

$140,000.00/yr - $150,000.00/yr

Direct message the job poster from Harnham

Role

Recruitment Consultant - Data & Software Engineering @ Harnham (NYC)

Senior Software Engineer - Full Stack (React Focus)

Insurence Tech

Location: Jacksonville, FL (onsite 5 days per week)

Compensation: $150,000 base + bonus

Employment Type: Full-time, permanent

The Role

We are partnered with a global specialty insurer that has recently launched a brand-new engineering and data science division. With major investment into technology, this is a rare opportunity to work on greenfield projects and shape the future of modern engineering within a traditionally regulated industry.

You will take ownership of a new data mapping application built in React, designed to integrate source files into Snowflake. Starting with 40 internal users, this app will later be scaled externally for a wide customer base. You’ll work directly with senior engineering leadership, leading design, build, and deployment from scratch.

Responsibilities

Own the design, build, and deployment of a new data mapping application built in React to integrate source files into Snowflake.
Lead greenfield development efforts, from design to production.
Collaborate with senior engineering leadership and cross-functional teams.

Qualifications

6–8+ years’ software engineering experience (full stack focus)
Strong depth in React and API development
Proven greenfield project experience (designing and coding from scratch)
Hands-on deployment experience (not just relying on DevOps)
Confident, opinionated, and able to take ownership and lead builds

Nice to have: Tailwind, CSS, Python, Snowflake, insurance industry experience

The Benefits

$150,000 base salary + 10% bonus
Medical, Dental, and Vision coverage
401k through Fidelity
15 PTO days (increasing to 20 after 5 years)
12 Paid Holidays + 1 Floating Holiday

How to Apply

If you’re ready to take ownership of a greenfield build in a highly visible role backed by significant investment, apply today. This is a unique chance to shape modern applications and platforms within an innovation-first environment.

Key Words

Full Stack Developer, React, API, Greenfield, Azure Data Factory, Databricks, Snowflake, Tailwind, Insurance Technology, Software Engineer, Cloud Engineering, Data Engineering, LLM, AI, Application Development.

Seniority level