Software Engineer, Agentic

🕒 September 10

🇪🇺 Europe – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 23%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Refinery89

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2018

📣 Marketing

☁️ SaaS

Marketing • Advertising • SaaS

Refinery89 is a company that specializes in ad tech solutions, focusing on monetizing ads for publishers to maximize their revenue. They offer a variety of services including interest-driven targeting, programmatic demand access, and detailed ad performance insights. Refinery89 positions itself as a reliable partner for digital monetization, assisting clients with personalized service and cutting-edge technology.

📋 Description

• Design, develop, and maintain robust, scalable backend services following Domain-Driven Design principles • Take full technical ownership of features from design through deployment and monitoring • Build and orchestrate agentic workflows where AI models take actions, call tools, and solve tasks with minimal human intervention • Participate in architecture decisions • Ensure code quality through SDD, TDD, and BDD methodologies • Collaborate on code reviews, refinements, and technical planning • Identify and address technical debt, performance bottlenecks, and security risks using OWASP and SOLID principles • Build and maintain CI/CD pipelines across Bitbucket, GitLab, or GitHub • Produce well-reasoned technical designs before coding

🎯 Requirements

• 5+ years of experience in backend or full-stack software development • Practical experience with agentic AI systems, including building agents, designing tool use, working with LLM APIs, or automating complex workflows with AI • Strong technical analysis and design skills • Critical thinking and ability to question, challenge, and improve solutions, including AI-tool outputs • Attention to detail; clean, tested, and documented code • True ownership and accountability for production systems • Ability to work autonomously and identify when to raise issues • Proactive attitude and knowledge sharing • Eagerness to learn • Fluent professional English, written and spoken • PHP required • Experience with LLM-powered agents, tool use, MCP integrations, or prompt engineering at an engineering level • Experience with Laravel, Pest, Tailwind CSS, AWS Lambda, SAM Templates, S3, CloudFront, Terraform, Playwright, Robot Framework, Cypress, Grafana, k6, Postman, Claude, Kiro, Bitbucket, Jira/Atlassian suite, CI/CD pipelines, SDD, TDD, BDD, SOLID, DDD, and OWASP • Rust, Google Ad Manager, Prebid.js, and Prebid Server are nice to have

🏖️ Benefits

• Full remote — work from anywhere within the European timezone (CET ±2h) • Small, technical team with minimal overhead • Direct impact: your decisions ship to production • A culture of honest feedback and continuous improvement • Modern tooling, including cutting-edge AI, and freedom to propose new approaches • A front-row seat to the agentic engineering shift