Senior Back End Developer

3 days ago

Bracknell, United Kingdom BlckBx Full time

Senior Back-End Developer & Engineering Team Lead


Join BlckBx - we're creating social impact and making the world a better place for working families whilst using the latest most exciting technologies to deliver a world-first platform. We have incredible corporate blue-chip clients and a fully funded start up.


Location: Remote with weekly meet ups in Bracknell, Berkshire


Start Date: Immediate (we'll wait for the right person)


Equity Options: Included


About Us:

BlckBx is a fast-growing startup revolutionising personal assistance by combining the power of AI and human expertise. Our mission is to improve the lives of busy working families, saving them time and reducing stress. We’re building something life-changing – and we want you to be part of it.


We’re looking for a Senior Back-End Developer to lead our engineering team. This is your opportunity to make a significant impact on a brand-new technology, mentor a growing team, and create a scalable, secure platform that delivers real-world value.


What You’ll Do:

  • Lead and mentor the engineering team, fostering growth and collaboration.
  • Design and implement robust server-side architecture for our SaaS platform.
  • Ensure security best practices in AWS environments, with a strong focus on compliance and scalability.
  • Work closely with stakeholders to understand customer needs and translate them into technical solutions.
  • Build with security, scalability, and customer focus in mind.
  • Guide the team in creating efficient data architecture, infrastructure, and finance platform integrations.


What We’re Looking For:

  • 5+ years of experience in server-side architecture, with proven expertise in SaaS development.
  • Strong understanding of securing AWS environments (AWS Certified Security certification preferred).
  • Excellent communication skills to articulate technical solutions to non-technical stakeholders.
  • Experience mentoring and developing junior engineers.
  • Proven ability to thrive in a fast-paced, startup environment.
  • Passion for building impactful technology that improves lives.
  • Knowledge of architecture, data design, infrastructure, and finance platforms.


The Technical Challenge

You'll tackle complex problems in the back end:

- Design high-performance database architectures (MySQL/PostgreSQL)

- Orchestrate cloud infrastructure on AWS

- Craft lightning-fast APIs using Python and Node.js

- Implement cutting-edge AI/ML solutions


You'll Thrive Here If

- You've battle-tested your skills in fast-paced startups or ready for a start up mindset

- You see technical challenges as opportunities to innovate

- You're equally comfortable diving deep into code or mentoring junior developers

- You want to graduate from "just another developer" to a technical leader of the founding team


What We Offer:

  • A chance to make your mark on a transformative product that’s changing lives.
  • Equity options to share in our success.
  • Collaborative, mission-driven culture.
  • Flexibility to work in a way that suits you best.


Why BlckBx?

This isn’t just another tech job. This is your chance to create something meaningful – a platform that truly makes a difference for families juggling the demands of modern life. If you’re passionate about creating impactful technology and leading a team to success, we want to hear from you.


Ready to Join?

Apply now and tell us how you’ll help BlckBx scale new heights. Let’s build the future of personal assistance together.


#SeniorDeveloper #BackEndLead #AWS #SaaS

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