Lead Software Engineer, Backend (Python / Django)

Lead Software Engineer, Backend (Python / Django)

Cartagena

EUR 50.000 - 80.000

Are you a Python / Django wizard who thrives in a hands-on environment but also enjoys helping others grow ? Do you love building robust, scalable backend systems, from architecture to production, and mentoring others to do the same? If so, read on.

BLING is a mission-driven, user-first, and VC-backed fintech company growing extremely fast. We launched our new product in 2024 and already have 150k+ accounts on which we’ve processed more than 300 million euros.

We're now looking for an experienced Lead Backend Engineer to lead our backend efforts — someone ambitious to grow, who codes daily, leads by example, and helps scale both tech and people.

What You’ll Do

Be 100% hands-on : Build, maintain, and scale backend systems in Python / Django .

Design architecture : Own backend architecture decisions, collaborating closely with our infra and security teams.

Manage infrastructure : Work comfortably with AWS , especially RDS, ECS, and Kafka / MSK.

Lead & mentor : Guide a growing team of backend engineers through mentorship, technical leadership, and hiring.

Own your scope : Take full responsibility for projects — from design to deployment — with autonomy and accountability.

Our Stack

Languages & Frameworks : Python, Django, DRF

What We’re Looking For

You’ve been the go-to backend expert for 8+ years , leading projects, owning architecture, and shipping code in scale-up environments

Proven experience as Lead / Staff / Principal level

Deep expertise in Python and Django — you’ve built and shipped impactful products

Comfortable with AWS and containerized infrastructure

Experience in team leadership — you’ve mentored others and led by example

Ownership mindset, proactive attitude, and strong problem-solving skills

Strong communication skills in English

Bonus : experience or interest in AI development platforms like Cursor

What We Offer

Health insurance + meal allowance

Autonomy, trust, and a mission that matters — helping people overcome financial stress with transparency and empathy

A collaborative and driven team that’s low-ego, high-talent, and focused on impact

Let’s build something meaningful together. Apply now — we’d love to meet you!