Lead Engineer AI/AppSec

At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe. 

 

We combine the scale of a global bank with the drive of a tech innovator. Our Technology teams design and build digital services that keep millions of customers safe and connected. Within Cybersecurity Technology & Engineering (CTE), we deliver solutions that strengthen security across the organization and set best practices for thousands of engineers.

You’ll be part of a specialized team working on innovative proof-of-concepts, ensuring security is embedded across the software development lifecycle on a global scale.

Sounds like your kind of challenge? 

What you’ll be doing

As Technical Lead, you will be the primary technical reference point for CEE Engineering, responsible for turning technical strategy into high-quality solutions. Your key responsibilities include:

  • Leading the engineering of proof-of-concept and proof-of-value security solutions, building to standards that enable wider adoption.
  • Designing and developing security tooling and scanning services with a clear understanding of their operational context.
  • Driving code quality through rigorous reviews and actionable feedback.
  • Owning and enforcing testing strategies (unit, integration, regression) and embedding quality gates in the CI/CD pipeline.
  • Facilitating design discussions and producing clear architectural decision records (ADRs).
  • Acting as the main technical unblocker, diagnosing complex issues and removing delivery impediments.
  • Building and maintaining production-quality Python microservices on GCP and Kubernetes.
  • Contributing to the codebase as a hands-on engineer while mentoring and developing other team members.
  • Collaborating with global partner teams to align integrations and resolve technical dependencies.

Note: Detailed project information will be shared during the recruitment process. 

What you get in return

  • Flexible cooperation model – choose the form that suits you best
    (B2B, employment contract, etc.)
  • Hybrid work setup – remote days available depending on the client’s arrangements – 6 days a month from the office in Kraków
  • Collaborative team culture – work alongside experienced professionals eager to share knowledge 
  • Continuous development – access to training platforms and growth opportunities 
  • Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more 
  • High quality equipment – laptop and essential software provided 

Who we’re looking for

Proven experience leading the delivery of complex, multi-component software systems, with ownership of design and quality across a team.
✔ Strong background in cybersecurity engineering – building or maintaining security tooling, scanning services, or similar.
✔ Deep knowledge of Python (microservice design, async programming, FastAPI or similar frameworks).
✔ Hands-on experience with GCP, Kubernetes, Helm, and Docker.
✔ Strong CI/CD pipeline experience (Jenkins or equivalent).
✔ Expertise in secrets/configuration management (e.g., HashiCorp Vault).
✔ Solid skills in PostgreSQL and/or Redis, including schema design and performance tuning.
✔ Ability to lead technical design, document decisions, and explain solutions to technical/non-technical audiences.
✔ Comfortable working in Agile environments.

 

Nice to have:

  • Familiarity with secret scanning tools (e.g. TruffleHog), async task frameworks (Celery, Kafka), and observability tooling (Splunk, OpenTelemetry).
  • Frontend experience (Vue.js, React, TypeScript).
  • Cloud or engineering certifications (e.g. GCP Professional).

Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference. 

Lead Engineer AI/AppSec

Kraków

B2B

1500-1680 pln/md netto + VAT

I will handle your recruitment

Jolanta Gmurczyk

SUPPORT & BENEFITS

Private healthcare

Fast access to doctors and medical tests. 

Mindbox fully covers the individual package. You can extend the coverage to your partner and family on preferential terms. A wide network of medical providers and clear rules for everyday use.

Multisport

Energy that pays off.

We cover 50% of the card cost. You get access to thousands of sports facilities across Poland, plus a convenient mobile app. Additional cards for family members are available.

Training & development

Practical support for your career growth.

We co‑fund courses, certifications and conferences under a clear Training Policy. You also get access to a library of recorded webinars and trainings – available whenever you need them.

Eyewear or contact lenses co‑funding

Clear vision means comfortable work.

Up to PLN 500 every two years, with an additional PLN 300 available in justified cases. Simple reimbursement, regardless of your form of cooperation.

Group life insurance

Real protection from day one.

Option I is fully funded by Mindbox, Option II is co‑funded. You can include your partner and adult children, with coverage that also applies to treatment and hospitalisation abroad.

Ongoing support from the Talent Network Development

You’re not on your own in a project.

Regular contact, quick response and a partnership‑based approach. You focus on your work — we help take care of the rest.

Regular integration meet‑ups

Relationships that work beyond the project.

Cyclical meet‑ups for contractors in major cities across Poland. A space to talk, exchange experience and stay in real contact with the Mindbox team.

Annual company‑wide integration

One event. The whole community.

A two‑day company gathering with accommodation, transport and a full activity programme. Time to connect teams from across Poland and build shared experiences.

New baby gift

Important moments matter to us.

When a child is born, we prepare a personalised gift. All it takes is a short message to the Talent Network Development team.

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the recruitment process

We take care of every stage of process

Submit your CV

The supplier takes full responsibility for the applications, their performance and load, and monitors and fixes any problems and failures.

Contact with
a Recruiter

The supplier takes full responsibility for the applications, their performance and load, and monitors and fixes any problems and failures.

Sending your CV
to the client

The supplier takes full responsibility for the applications, their performance and load, and monitors and fixes any problems and failures.

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Referral Program

Refer a friend & get up to 6,000 PLN

Do you know an IT specialist who could be a good fit for one of our projects? Share their contact details with us and we’ll take care of the rest.

You can receive up to 6,000 PLN for a successful referral.