Senior Software Development Engineer, Core Infrastructure

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Software Development Engineer, Core Infrastructure based in Romania.

This is an excellent opportunity for an experienced Software Development Engineer to contribute to the core infrastructure of a sophisticated enterprise platform. In this role, you will design and build secure, scalable, and reliable backend systems that support mission-critical applications while improving product resilience, security, and operational excellence. Working within a collaborative international engineering environment, you will partner with cross-functional teams to solve complex technical challenges, influence engineering best practices, and deliver innovative solutions that have a direct impact on product performance and customer success. The position is ideal for engineers who enjoy tackling large-scale distributed systems, driving technical improvements, and mentoring engineering excellence.

Accountabilities: Architect, design, and develop core infrastructure components that enhance the security, scalability, reliability, and maintainability of enterprise software products.

Lead the delivery of complex technical initiatives by defining clear implementation strategies, coordinating with multiple engineering teams, and managing technical dependencies.

Investigate, troubleshoot, and resolve critical production issues, identifying root causes and implementing long-term improvements to strengthen system robustness.

Collaborate with Product Management, Engineering, Customer Success, and other stakeholders to translate business and technical requirements into scalable software solutions.

Contribute to the evolution of engineering standards, development processes, and technical best practices across the organization.

Support customer-facing teams by analyzing complex production environments, identifying effective solutions, and helping resolve high-priority technical challenges.

Continuously improve platform capabilities related to security, authentication, monitoring, diagnostics, and operational resilience.

Requirements

5–10 years of professional experience developing enterprise software applications using Java.

Strong expertise in designing, debugging, and optimizing complex software systems, including performance, scalability, multithreading, and operating system interactions.

Proven experience building reliable, high-performance backend systems using modern software engineering principles and best practices.

Excellent analytical thinking and problem-solving skills, with the ability to diagnose complex production issues efficiently.

Experience working in distributed or international engineering teams with strong written and verbal communication skills.

Bachelor's degree or higher in Computer Science or a related technical discipline.

Solid understanding of Unix/Linux operating systems and file systems.

Experience working on infrastructure domains such as security, authentication, monitoring, performance optimization, or scalability is highly desirable.

Exposure to quality assurance practices or software testing methodologies is considered an advantage.

Benefits

Opportunity to work on highly scalable enterprise infrastructure and mission-critical technologies.

Collaborative international engineering environment with exposure to globally distributed teams.

Opportunity to influence technical direction, engineering practices, and platform architecture.

Continuous learning through challenging projects and exposure to modern infrastructure technologies.

Professional growth within a high-performing engineering organization.

Flexible and collaborative work environment that encourages innovation and knowledge sharing.

Exposure to cross-functional collaboration with engineering, product, customer success, and business stakeholders.

How Jobgether works: 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!  Why Apply Through Jobgether?    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.     #LI-CL1