Senior Backend Engineer (B2B Contract)

Medium; Remoto; EUR 50.000 - 70.000; Tempo pieno

Descrizione del lavoro

A tech company is seeking a Senior Backend Engineer who will design and scale backend systems critical to security. This role is ideal for someone with at least 5 years of experience in backend development and strong skills in Node.js, SQL, and NoSQL. Key responsibilities include collaborating with teams to define architecture and improving system performance. The position offers a competitive B2B contract and a flexible remote-friendly work environment, allowing for professional growth and mentorship opportunities.

Servizi

B2B contract with competitive compensation

Flexible, remote-friendly work environment

Opportunity to work on high-impact products

Collaboration with experienced engineers

Professional growth through mentorship

Competenze

• Minimum 5 years of hands-on experience in backend development for scalable systems.
• Strong knowledge of SQL and NoSQL database technologies.
• Familiarity with cloud-based environments and microservices architectures.

Mansioni

• Design, build, and maintain scalable backend systems and APIs.
• Collaborate with cross-functional teams to define architecture and requirements.
• Optimize system performance, scalability, and security.

Conoscenze

Node.js

Backend application development

SQL

NoSQL

Problem-solving skills

Attention to detail

Formazione

Bachelor’s degree in Computer Science or related field

Descrizione del lavoro

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Backend Engineer (B2B Contract) in Bulgaria.

This role offers the opportunity to design and scale backend systems that play a critical role in securing modern software ecosystems. You will work in a fast-paced, engineering-driven environment alongside highly skilled peers, contributing to systems that prioritize performance, reliability, and security. The position emphasizes ownership, technical excellence, and real-world impact at scale. You will collaborate closely with cross-functional teams to shape architecture and deliver robust solutions. This is an ideal role for someone who enjoys tackling complex backend challenges while influencing long-term technical direction. Your work will directly support mission‑critical infrastructure used globally.

Accountabilities

• Design, build, and maintain scalable backend systems and APIs that support high‑performance security solutions
• Collaborate with frontend engineers, product managers, and stakeholders to define architecture, requirements, and technical trade‑offs
• Optimize system performance, scalability, and security through clean code, reviews, and best engineering practices
• Troubleshoot, debug, and resolve production issues while minimizing downtime and operational risk
• Contribute to system evaluations and continuous improvement initiatives across the backend stack
• Mentor and support junior engineers, fostering knowledge sharing and technical growth within the team

Requirements

• Bachelor’s degree in Computer Science or a related technical field, or equivalent practical experience
• At least 5 years of hands‑on experience in backend development for scalable, production‑grade systems
• Strong proficiency with Node.js and backend application development
• Solid experience working with both SQL and NoSQL database technologies
• Familiarity with cloud‑based environments and microservices architectures
• Strong problem‑solving skills, attention to detail, and a passion for clean, maintainable, and secure code

Benefits

• B2B contract with competitive compensation aligned with senior‑level expertise
• Flexible, remote‑friendly work environment
• Opportunity to work on high‑impact, security‑focused products at scale
• Collaboration with experienced engineers in a technically challenging setting
• Professional growth through ownership, mentorship, and exposure to complex systems

Why Apply Through Jobgether?

We use an AI‑powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role’s core requirements. Our system identifies the top‑fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.

We appreciate your interest and wish you the best!

Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre‑contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.