Software Engineer, Backend

SiteGround Web Hosting Company

. Bring an AI-augmented workflow into daily development, including prompting, orchestrating agents, and critically reviewing AI-generated output .

Posted 9/19/2026full-timeBulgariaMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and maintaining scalable backend applications using PHP, Python, and Node.js, while leveraging AI technologies to enhance engineering workflows. Proven ability to own backend systems from design to production, ensuring performance and reliability for high-traffic applications.

Highest-signal resume keywords

AI-Based Technologies ProficiencyBackend Application DevelopmentSoftware Architecture UnderstandingCI/CD Pipeline ExperiencePerformance Optimization

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

PHPPythonNode.jsSoftware TestingAPIsDatabasesCachingMessagingAsynchronous ProcessingDistributed Systems

Soft Skills

CommunicationCollaborationCritical EvaluationProblem-SolvingKnowledge Sharing

Tools & Technologies

GitCI/CD ToolsObservability Tools

Certifications & Qualifications

Bachelor's Degree in Computer ScienceEngineering Degree

Industry Keywords

HTTP StackEngineering StandardsComponent ArchitecturesDevelopment Best PracticesScalable Systems

Tech Stack

Tools & technologies

Distributed SystemsJavaScriptNode.jsPHPPython

About the role

Key responsibilities & impact

Bring an AI-augmented workflow into daily development, including prompting, orchestrating agents, and critically reviewing AI-generated output
Develop and maintain high-quality, scalable backend applications using technologies such as PHP, Python, and Node.js
Own backend systems from design through production and performance
Work fluently in Git within a large team
Partner with Product Managers, Front-End engineers, QAs, and DevOps to ship features end-to-end
Be responsible for systems and products serving 3M+ websites
Write clean, well-tested, maintainable code
Ship iteratively with fast feedback loops and continuous improvement
Share knowledge, challenge ideas, and improve engineering practices
Own performance, reliability, and outcomes

Requirements

What you’ll need

Strong proficiency in using, evaluating, and experimenting with AI-based technologies for engineering workflows
Deep understanding of the HTTP stack, networking fundamentals, CI/CD pipelines, software testing, observability, and distributed systems
Strong understanding of software architecture, APIs, databases, caching, messaging, and asynchronous processing
End-to-end ownership from the first question to a verified production result
Strong focus on software performance and proactive extensibility
Ability to critically evaluate technical solutions for problem fit
Experience establishing engineering standards, component architectures, and development best practices
Ability to communicate technical trade-offs and complex concepts to technical and non-technical audiences
Proven experience scaling systems serving millions of users globally
Ability to work effectively with ambiguity and incomplete information
Bachelor's degree in Computer Science, Engineering, or equivalent gained through hands-on experience, open-source work, or a technical write-up

Benefits

Comp & perks

Competitive remuneration and a performance-based bonus system
Shorter workday on Fridays – we finish at 3:00 PM
5 bonus paid days at 5 years of service, plus one more each year after — up to 10
Three modern and cozy office locations across Bulgaria, designed for focus, creativity, and collaboration, plus flexible work options
Free breakfast and lunch in our HQ restaurant, or provided by trusted catering partners in the rest of our offices
Free parking and a metro shuttle
Fully equipped in-office gym with professional coaches
Sports activities and group classes (yoga, HIIT, table tennis, dancing, and more)
Multisport or Coolfit cards fully covered by the company
Premium additional health insurance coverage and annual medical check-ups
Free massages
Professional development through trainings and conferences
Company-backed volunteering, with 2 extra paid days off
Team events, internal gatherings, and company festivals
Knowledge-sharing culture through regular meetups and internal conferences
Anniversary and company gifts and surprises