Principal Software Engineer at Invisible Agency

Warsaw, Masovian Voivodeship, Poland -

Full Time

Start Date

Immediate

Expiry Date

16 Feb, 26

Salary

168000.0

Posted On

18 Nov, 25

Experience

10 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Python, React, Shell Scripting, Data Ingestion, UI Development, Software Development, Engineering Leadership, Product Development

Industry

Software Development

Description

About Invisible Invisible Technologies is the AI operating system for the enterprise. Our end-to-end AI Software Platform structures messy data, builds digital workflows, deploys agentic solutions, evaluates/measures impact, and mobilizes relevant human experts. Invisible has trained foundation models for more than 80% of the world’s leading AI model providers, including Cohere, Microsoft, and AWS, and we have the expertise to customize AI for any industry, function, or use case. Invisible makes AI work in the real world. In 2024, we reached $134M in revenue and were named the #2 fastest growing AI company on the Inc. 5000. About The Role As a Principal Engineer in our AI Training team you will be serving our high-value foundation model labs accounts using our internal tooling. We expect you to learn the tooling deeply, and understand how to push the bounds of customizing it via scripting, ingestion, and export. You will learn the process our Delivery / Operations team leverages to serve our clients and with your years of experience help us reduce manual work performed between non-technical and technical team members. You will role model great software development delivery in a pragmatic way that is a mix of get-it-done hacker mentality and product oriented agile developer. You know when to choose which style of operations is best for the challenge in front of you. You will help us identify key features that our platform team should provide to codify the learnings the team you work with has handled outside of the platform. What You’ll Do Partner with our AI Training Delivery teams in their effort to generate high quality, curated and audited data for use by AI Researchers at major Foundation Lab model providers. Data Ingestion into our NextGen Marketplace Operations Management Hub used to coordinate client-facing campaigns Python and/or Shell Scripting to support transforming, validating, ingesting, and exporting data into and out of Operations Hub. Custom UI development in React to embed Annotations tools for orchestrating data capture from our Human Experts for AI Training Coordinate new feature development and solution solve alongside our product core team building NextGen Marketplace, Atomic, Synapse and any other core tools we are enhancing for our AIT Engagements. Set best practices in software development from a perspective of fast moving forward deployed engineering motion and pattern recognition to drive product development to reduce customizations for our clients. Set a standard of engineering leadership for the more junior colleagues on our team that help them learn from your depth of experience in engineering as it pertains to reproducible delivery. What We Need You are an engineer that understands a pragmatic approach to software development as a bright hacker with an awareness of when to slow down and make proper SDLC decisions. You have been shipping production software for 10+ years and welcome a mix of individual contributor ownership as well as leading others on a technical problem solving Expert competency in Python Expert competency in React Command Line competency (Shell / Bash / Zsh) Nice to haves Knowledge of Data Science and GPU model training Consulting background from a major consulting firm What’s In It For You Invisible is committed to fair and competitive pay, ensuring that compensation reflects both market conditions and the value each team member brings. Our salary structure accounts for regional differences in cost of living while maintaining internal equity. For this position, the annual salary range is: Salary Range $130,000—$168,000 USD You can find more information about our geographic pay tiers here. During the interview process, your Invisible Talent Acquisition Partner will confirm which tier applies to your location. For candidates outside the U.S., compensation is adjusted to reflect local market conditions and cost of living. Bonuses and equity are included in offers above entry level. Final compensation is determined by a combination of factors, including location, job-related experience, skills, knowledge, internal pay equity, and overall market conditions. Because of this, every offer is unique. Additional details on total compensation and benefits will be discussed during the hiring process What It's Like to Work at Invisible: At Invisible, we’re not just redefining work—we’re reinventing it. We operate at the intersection of advanced AI and human ingenuity, pushing the boundaries of what’s possible to unlock productivity and scale. Ownership is at the core of everything we do. Here, you won’t just execute tasks—you’ll build, innovate, and shape the future alongside world-class clients pushing the boundaries of AI. We expect bold ideas, relentless drive, and the ability to turn ambiguity into opportunity. The pace is fast, the challenges are big, and the growth is unmatched. We’re not for everyone, and we’re okay with that. If you’re looking for predictable routines, this isn’t the place for you. But if you’re driven to create, thrive in dynamic environments, and want a front-row seat to the AI revolution, you’ll fit right in. Country Hiring Guidelines: Invisible is a hybrid organization with offices and team members located around the world. While some roles may offer remote flexibility, most positions involve in-office collaboration and are tied to specific locations. Any location-based requirements or hybrid expectations will be communicated by our Talent Acquisition team during the recruiting process. AI Interviewing Guidelines: Our hiring team thoughtfully uses AI to support an efficient, engaging, and inclusive interview process. Since AI can also be a helpful tool for candidates, we've outlined expectations for using it ethically throughout your interview journey. Click here to learn more about how we use AI and our guidelines for candidates. Accessibility Statement: We’re committed to providing reasonable accommodations for individuals with disabilities. If you need assistance or accommodation due to a disability, please contact our Talent Acquisition team during the recruitment process at accommodation@invisible.email. Equal Opportunity Statement: We’re an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, or veteran status, or any other basis protected by law. Due to a high volume of candidates, Invisible may use automated decision-maker technologies to filter candidates based on response to our application questions and other provided information. Our use of automated decision-making enables us to be efficient by providing a manageable list of possible candidates that meet our mandatory hiring criteria. If you object to our use of automated decision-making please contact us.

Responsibilities

As a Principal Engineer, you will partner with AI Training Delivery teams to generate high-quality data for AI Researchers. You will also coordinate new feature development and set best practices in software development.