Senior Software Engineer, Front-end

Leversys

Senior Software Engineer developing front-end solutions for leading convertible bonds technology firm. Collaborating in a dynamic team to enhance financial market applications with innovative UI design.

Posted 7/16/2026full-timeBelgrade • 🇷🇸 SerbiaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in JavaScript front-end development, with strong knowledge of UI frameworks such as Angular, React, or Vue.js, and a solid foundation in programming, data structures, and algorithms. Capable of building scalable user interfaces and contributing to complex applications in a specialized financial domain.

Highest-signal resume keywords

JavaScript Front-End DevelopmentUI Frameworks (Angular, React, Vue.js)HTML5, CSS3, Responsive Web DesignRESTful APIsUnit Testing (Jest)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

JavaScriptHTML5CSS3UI FrameworksData StructuresAlgorithmsResponsive Web DesignRESTful APIsUnit TestingC#/.NET

Soft Skills

Attention to DetailAnalytical SkillsCommunication SkillsInterpersonal SkillsCreativity

Tools & Technologies

GitVersion Control Tools

Certifications & Qualifications

Bachelor’s Degree in Computer ScienceEngineering or Related Quantitative Field

Industry Keywords

Financial SoftwareData VisualizationConvertible Bond DomainComplex Mathematical Concepts

Tech Stack

Tools & technologies

AngularCloudJavaScriptJest.NETReactVue.js

About the role

Key responsibilities & impact

Join a product development team involved in the full delivery lifecycle, from concept and specification through UI design, development, QA, and release.
Work closely with product leads to turn ideas and client requirements into shipped features, with real ownership throughout.
Collaborate with a small team of senior engineers where knowledge sharing is natural, standards are high, and ideas are encouraged.
Follow a structured onboarding plan that combines early codebase contributions, architectural understanding, and exposure to the convertible bond domain.
Contribute to a product company that builds and owns its platform, giving your work lasting impact and visibility from problem definition to delivery and growth.
Build mission-critical applications for a specialised financial market with an established client base, keeping the engineering work purposeful and technically engaging.
Work on both a cloud-based, globally distributed SaaS platform and an on-premises version.
Propose and implement ideas rather than simply execute assigned tickets, with engineering input valued throughout the product lifecycle.
Grow across the stack with support from experienced engineers and exposure to frontend, backend, services, and integrations.
Strengthen your technical expertise while building enough convertible bond knowledge to make better engineering decisions.
Gain experience in a specialised financial domain that few engineers encounter, adding long-term depth and market value to your profile.

Requirements

What you’ll need

At least four years of relevant experience as a JavaScript front-end developer.
Strong foundation in programming, data structures, and algorithms.
Strong knowledge of, and experience with, a major UI framework such as Angular, React, Vue.js, or similar.
Strong knowledge of, and experience with, HTML5, CSS3, and responsive web design principles.
Significant experience developing complex, high-quality user interfaces and front-end applications.
Ability to build precise, scalable user interfaces from wireframes and UI designs.
Familiarity with Git or similar version control tools.
Desirable: experience working with RESTful APIs.
Desirable: exposure to C#/.NET.
Desirable: experience unit testing front-end applications using Jest or a similar framework.
Desirable: experience with financial software, large data grids, or data visualisation.
A strong desire to learn, develop, and succeed.
A commitment to achieving high standards.
Strong attention to detail.
Creativity and passion for building products.
Ability to work with complex mathematical and financial concepts.
Excellent analytical skills and a structured, logical approach to complex problem-solving.
Strong written and verbal communication skills in English.
Ability to explain complex technical concepts clearly to both technical and non-technical stakeholders.
Strong interpersonal skills.
Comfort working in a dynamic, multi-tasking environment.
A bachelor’s degree or higher in Computer Science, Engineering, or a related quantitative field from a leading institution.

Benefits

Comp & perks

A genuine opportunity to have an impact and grow your career in established capital markets FinTech.
The ability to develop and apply a unique blend of knowledge and skills.
The scope to work on exciting and highly dynamic projects and interact with clients.
Personal development support.
Sponsorship to enhance your skills and continue your education.
An effective hybrid working structure.
Top of the market remuneration, based on the experience level.
Twenty-five days holiday, pro-rata.