Careers

Available Positions:

AI & API Ruby on Rails Engineer

Early Stage Remote / Hybrid Equity Compensation Only

Are you exceptionally skilled at constructing web applications, navigating through APIs, and solving large-scale problems? Do you also harbor ambitious aspirations to delve into big data and cultivate AI algorithms? If you crave a genuine challenge, we extend an invitation for you to become a crucial member of our team as an early contributor, taking on the role of an AI & API Ruby on Rails Developer.

Our project is poised to transform the way we discover intriguing places to explore in a city. Concrete simplifies the process of uncovering hidden gems in your urban landscape, all while redefining connections through the potent capabilities of AI.

  • Responsibilities encompass crafting and upholding dependable Ruby code, demonstrating a profound understanding of the Rails framework, and mastering object-oriented programming, design patterns, and relational databases.
  • A strong grasp of typical fine-tuning methods and architectural principles for AI-driven applications. A comprehensive knowledge of app architecture relying on large language models (LLM) and the engineering of AI prompts.
  • Proficiency and understanding, along with expertise, in building and sustaining API services at a significant scale. Proficiency in defining suitable REST pathways while simultaneously experimenting with GraphQL as a secondary approach.
  • You will be tasked with estimating and executing development assignments, which include coding, requirements gathering, and analysis, all with some feedback and guidance from your team. Active participation in planning sessions to enhance comprehension of significant architectures and design patterns is also expected.
  • In addition, your role involves composing unit tests and conducting rigorous testing to ensure the code's quality and dependability, as well as troubleshooting and resolving issues that surface during testing, whether in production or non-production environments.
  • Prior experience with cloud services, particularly Amazon Web Services (AWS) such as EC2 and S3, is highly desirable, as is familiarity with working on Linux-based bare-metal infrastructure.
The challenge is substantial, but it places you squarely at the core of crafting exceptional software, adapting swiftly as we continually introduce intelligent solutions to gain ground in our market. We seek individuals who possess expansive thinking, comprehend the risk-reward dynamics of nurturing a startup, and are eager to push boundaries.

At this time, we do NOT have financial backing, so this role would entail receiving shares as compensation. Your role as an early hire would grant you a meaningful portion of the company's future, providing you with the platform to create a substantial impact.

Being in the early stages, we are unable to extend sponsorships or relocation support. If you are interested and this message resonates with you, please reach out to us below:








UI/UX & Flutter Engineer

Early Stage Remote / Hybrid Equity Compensation Only

Are you a highly skilled user interface engineer with a passion for creating exceptional user experiences and mobile applications? Do you have a knack for solving complex design and usability challenges? If you're also eager to work on cutting-edge projects that involve AI and want to be an integral part of an early team, we invite you to join us as an early contributor in the role of a UI/UX & Mobile Flutter Engineer.

Our project is poised to transform the way we discover intriguing places to explore in a city. Concrete simplifies the process of uncovering hidden gems in your urban landscape, all while redefining connections through the potent capabilities of AI.

  • Your responsibilities will encompass designing and maintaining user-centric Flutter applications, showcasing a deep understanding of UI/UX design principles, and becoming proficient in mobile app development best practices.
  • You have a good understanding of the Flutter framework and have insight into the intricacies of both Apple and Android ecosystems.
  • Proficiency and understanding, along with expertise, in building and using API services at a significant scale. Required proficiency in using REST APIs while also being familiar with GraphQL as a secondary approach.
  • You will be tasked with estimating and executing development assignments, which include coding, requirements gathering, and analysis, all with some feedback and guidance from your team. Active participation in planning sessions to enhance comprehension of significant UI/UX and application patterns is also expected.
  • In addition, your role involves conducting rigorous testing to ensure the code's quality and dependability, as well as troubleshooting and resolving issues that surface during testing, whether in production or non-production environments.
The challenge is substantial, but it places you squarely at the core of crafting exceptional software, adapting swiftly as we continually introduce intelligent solutions to gain ground in our market. We seek individuals who possess expansive thinking, comprehend the risk-reward dynamics of nurturing a startup, and are eager to push boundaries.

At this time, we do NOT have financial backing, so this role would entail receiving shares as compensation. Your role as an early hire would grant you a meaningful portion of the company's future, providing you with the platform to create a substantial impact.

Being in the early stages, we are unable to extend sponsorships or relocation support. If you are interested and this message resonates with you, please reach out to us below: