Senior Backend Engineer — FinTech SaaS (Hybrid)

Leversys; Belgrade (MO); Hybrid; USD 120,000 - 180,000; Full time

Benefits offered by this job

Hybrid working structure

Top of the market remuneration

Twenty-five days holiday

Personal development support

Sponsorship to enhance skills

Job summary

Leversys, a leading convertible bonds technology provider, is seeking a Senior Software Engineer (back-end) to join a small, flat-structured team. You will own features from concept to release and collaborate with product leads to turn client requirements into shipped features.

The role covers cloud-based SaaS and on‑premises platforms, with high standards for scalable, robust backend systems. You will grow across the stack with guidance from experienced engineers, deepen convertible bond domain

Qualifications

• At least five years of relevant experience as a back-end developer.
• Strong foundation in programming, data structures, and algorithms.
• Experience with major OO languages such as C#, Java, C++, or similar.
• Experience with relational databases such as SQL.

Responsibilities

• 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 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.

Skills

C#

Java

C++

SQL

Distributed systems

Multithreaded programming

TCP/IP

REST

GraphQL

English communication

Education

Bachelor's degree in Computer Science, Engineering, or related field

Tools

Git

AWS

Azure

Angular

React

Vue.js

REST

GraphQL

Job description

Leversys, a leading convertible bonds technology provider, is seeking a Senior Software Engineer (back-end) to join a small, flat-structured team. You will own features from concept to release and collaborate with product leads to turn client requirements into shipped features.

The role covers cloud-based SaaS and on‑premises platforms, with high standards for scalable, robust backend systems. You will grow across the stack with guidance from experienced engineers, deepen convertible bond domain