Software Engineer

4 weeks ago

London, United Kingdom Cogna Full time

Cogna, an ambitious early-stage startup, is on a mission to transform how we understand and solve challenges across various industries that impact our daily lives. Propelled by a commitment to better the world, we are sprinting towards our vision, building a significant company along the way.


Please make an application promptly if you are a good match for this role due to high levels of interest.

If you share our drive and are ready for the most impactful work of your career, we invite you to join us at this pivotal stage. You will have the opportunity to work directly with the founders, both of whom are experienced tech entrepreneurs, and a small yet exceptional team. Together, we are harnessing cutting-edge technology and AI to catalyze this transformation.

This is more than just a job; it's a chance to be at the core of something genuinely transformative.

Why join us:

  • This is your opportunity to be part of a small but mighty team of experts building the future of software using AI very early on. Given the recent advancements in AI, we believe we're on the cusp of a seismic shift in this space. This is your chance to be a significant part of it.
  • The roles we offer are not only salaried, but also come with a substantial equity stake in the rocketship we’ll build together.
  • Our working environment is fast-paced and demanding, yet also fun and closely bonded, with a low-ego culture.
  • As one of the first few, your influence will be substantial, shaping our culture, our product, the engineering architecture, and the very essence of the company.

Job description:

We are looking for a seasoned Software Engineer with a passion for developing scalable, reliable, efficient, and beautiful software. You will be part of an all-star early team, building the future of software. This role is a hybrid role and can be a fully frontend, fully backend, or full-stack role, based on your expertise and focus. We’re looking for superstars who move fast, adapt to changes, and know how to build great software with minimal guidance.

What you’ll do:

  • Define, build, and maintain our backend software architecture and APIs, and frontend interfaces for our core platform.
  • Write and ship high-quality, efficient, and reliable code that is extendible, scalable, and observable. You know how to move fast without breaking things.
  • Take ideas to implementation to shipping. You intuitively know what a great product looks like.
  • Design and build highly observable and scalable web app backends and frontends that are available 24x7.
  • Build beautiful UIs quickly in a modern frontend stack, and iterate quickly on them based on customer feedback.
  • Help foster an engineering culture that encourages innovation and high-quality code standards.
  • Collaborate closely in a small team to build world-class software fast

What we’re looking for:

  • At least 5 years of relevant work experience.
  • The drive to work at an early-stage startup
  • You're a frontend wizard who can turn designs into high-quality code and beautiful frontends quickly.
  • Comfortable building highly-available APIs with a strong understanding of RPC frameworks
  • Proven track record of building scalable and modern backend microservices with observability as a first-class citizen.
  • You have expertise in coding with modern Python or at least one modern strongly-typed language. You’re an expert in a modern frontend stack like React/Redux/Typescript.
  • Familiarity with tools like Kubernetes, Terraform, and various CI/CD tooling is a plus.
  • Ability to thrive in a fast-paced, quickly changing environment.
  • Experience with machine learning applications and/or large language models is a plus, but definitely not necessary.
  • Familiarity with workflow orchestration systems such as Argo or Temporal is a plus.
  • Experience with building enterprise integrations or enterprise SaaS is a plus.

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