Aleph - Principal Engineer
Requirements
• Substantial experience as a staff/principal engineer (or equivalent) on integration-heavy, data-heavy systems — ideally where you didn't control the external APIs. • Still hands-on. You lead by building, and you're demonstrably strong in production code, not only in design. • Depth in at least one of PHP, Go, or Python, and comfort across a polyglot estate (TS/JS on the front). • A track record of modernising legacy systems incrementally without halting delivery. • Fluency in integration and data patterns: idempotency, eventual consistency, rate limiting, queuing, backfills/reconciliation, API versioning. • A history of driving technical decisions through influence rather than authority — getting senior leadership and peer engineers to commit to a direction, and backing it with working code. • Experience with ad/martech platform APIs (Meta Marketing, Google Ads, TikTok, etc.). • Data warehouse / analytics pipeline experience (e.g. BigQuery). • Multi-region, multi-currency, or high-volume billing/reconciliation backgrounds. • In line with the EU Pay Transparency Directive, we are committed to fair and open compensation practices. For this role, the minimum gross annual base salary is EUR 60,000. • In addition to base salary, this role includes a variable component, paid annually. The final offer will reflect your experience, skills, and the scope of the role.
Responsibilities
• Set the technical direction for new products and major changes, and stay the technical decision-maker through build and post-launch — with the authority to course-correct when implementation drifts, and the habit of being in the codebase to catch the drift early. • Build the hard parts yourself. Write production code on the riskiest, highest-leverage paths; prototype the uncertain approach to turn an argument into evidence; build the reference implementation others extend. • Turn intangible trade-offs — partner API risk, team capability, long-term scalability, cost of change — into clear, written decisions (ADRs) that leadership and the technical committee can sign off on. • Define service and data contracts, integration patterns, and resilience strategies that survive third-party API deprecations and outages. • Go deep when it breaks: lead diagnosis on the gnarliest production incidents and performance regressions, and land the fix and the systemic follow-up. • Identify the infrastructure (compute, data, messaging, observability) needed to meet current and near-future goals. • Raise the bar through others: mentor engineers and tech leads, set the standard in code review, and drive cross-functional decisions across engineering, product, security, and operations — through influence, not line management. • Evaluate third-party and vendor solutions against our integration and data requirements. • Monitor systems against performance and business benchmarks and escalate with concrete recommendations.
Benefits
• Aleph is a place of many cultures, perspectives, and talents. We support each other, creating an environment of giving and receiving. We value partnership and communication because we believe it takes a group of people to achieve great things. We are energized by our ever-changing industry, our curiosity keeps us learning and seeking out new opportunities. • We stay flexible and adaptable, and believe in moving with the speed of change. We encourage everyone to strive for more, providing our internal talent with growth opportunities and the ability to learn together. • We use Lever, our recruitment management platform, which includes AI-powered features that may assist our hiring team in reviewing applications, analyzing CVs, and identifying relevant qualifications. These tools support - but do not replace - human judgement. All hiring decisions are made by people. For more information about how your personal data is processed, including your rights in relation to AI-assisted processing, please see our Candidate Privacy Policy or contact us at [email protected].
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