Senior Front-End Engineer – FinTech SaaS, Hybrid & Growth

Medium; Belgrade (MO); Hybrid; USD 120,000 - 165,000; Full time

Benefits offered by this job

Hybrid working structure

Top of the market remuneration

Twenty-five days holiday, pro‑rata

Personal development support

Sponsorship to enhance your skills

Job summary

Leversys, a leading fintech specializing in convertible bonds technology, data and services, is seeking a Senior Software Engineer (front-end) to join a small, high‑performing team in a hybrid setup in Missouri. You will own frontend features from concept through delivery, collaborate with product leads, and contribute to a cloud SAAS platform and on‑premise version.

We value strong JavaScript skills, experience with React/Angular/Vue, HTML/CSS, testing with Jest, and a willingness to learn the

Qualifications

• At least four years of relevant experience as a JavaScript front-end developer.
• Strong foundation in programming, data structures, and algorithms.
• Strong knowledge of a major UI framework such as Angular, React, Vue.js, or similar.
• Strong knowledge of HTML5, CSS3, and responsive web design principles.
• Significant experience developing complex, high-quality user interfaces and front-end applications.

Responsibilities

• Join a product development team involved in the full delivery lifecycle from concept to release.
• Turn ideas and client requirements into shipped features with ownership throughout.
• Collaborate with a small team of senior engineers in a high‑standards environment.
• Contribute to onboarding, architectural understanding, and domain exposure.
• Build mission-critical applications for a specialised financial market with an established client base.
• Work on both a cloud-based SaaS platform and an on-premises version.
• Propose ideas and take ownership across the product lifecycle.
• Grow across the stack with support from experienced engineers.

Skills

JavaScript

Front-end framework

HTML/CSS

UI development

Git

RESTful APIs

Jest testing

Financial UI

English communication

Analytical skills

Willingness to learn

Attention to detail

Education

Bachelor's degree in CS/Engineering

Tools

Jest

.NET/C#

RESTful APIs

Git

Job description

Leversys, a leading fintech specializing in convertible bonds technology, data and services, is seeking a Senior Software Engineer (front-end) to join a small, high‑performing team in a hybrid setup in Missouri. You will own frontend features from concept through delivery, collaborate with product leads, and contribute to a cloud SAAS platform and on‑premise version.

We value strong JavaScript skills, experience with React/Angular/Vue, HTML/CSS, testing with Jest, and a willingness to learn the