*instinctools is a software development company that provides custom software solutions for businesses of all sizes. Our team works closely with clients to understand their specific needs and provide personalized solutions that meet their business requirements.
Our team is looking for a Rust Technical Lead for one of our clients.
Our client is a major European organization operating across 35+ countries, responsible for critical infrastructure and energy market coordination. They are driving digital transformation in the energy sector by adopting open‑source solutions and reducing dependency on proprietary vendors.
The project is a high‑performance, open‑source tool for validating, visualizing, and converting electricity grid models in compliance with EU Network Codes and standards. The solution is desktop‑first with optional Kubernetes deployment, targeting 25‑second validation on standard desktop hardware. The project starts from scratch (greenfield), with a modular, extensible architecture and a plugin system.
Working time zone: CET
Technology stack:
Rust, modular architecture, high‑performance data processing, API‑driven component communication, automated testing, CI/CD, logging & observability, performance profiling & benchmarking.
Responsibilities and Tasks:
Lead Rust‑based development and own key technical and architectural decisions
Design core application logic and component interfaces from scratch
Ensure performance, reliability, and maintainability of the solution
Identify and mitigate technical risks
Review code and maintain engineering standards
Mentor developers and share expertise
Collaborate with architects, QA, frontend, DevOps, and customer‑side stakeholders
Contribute to technical documentation
Our expectations of the ideal candidate:
7+ years of commercial software engineering experience
3+ years of commercial Rust development (production‑grade systems)
Deep understanding of Rust ownership, lifetimes, concurrency, traits, and error handling
Experience as a Technical Lead, Lead Engineer, or Senior Rust Engineer
Proven ability to deliver complex production‑grade software (greenfield projects are a plus)
Ability to design clean, maintainable architecture
Experience processing large data volumes efficiently
Strong testing, code review, and documentation practices
Experience with performance‑critical and reliable systems
Experience mentoring or leading engineering teams
Good communication with technical and business stakeholders
English: Upper-Intermediate or higher
Nice‑to‑have:
Modular or plugin‑based architecture
Cross‑platform applications
Semantic web technologies (RDF, SPARQL, OWL)
Triplestores or graph‑based data storage
Integrating Rust with external libraries or runtimes (FFI)
Experience in regulated or infrastructure‑related domains
Soft skills:
Highly proactive – able to figure out who to reach out to and get things done independently
Stakeholder management – comfortable interacting with senior engineers, product managers, and client representatives
Curious mindset – challenges existing processes and looks for continuous improvement
Strong communication – able to have project‑related conversations with both technical and non‑technical team members
Time management – organized and reliable
We offer:
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Company Website: https://www.instinctools.com
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Thank you for your attention and cooperation.
*instinctools is a developer of IT solutions for Western Europe. We have over 350 projects in our portfolio. The spheres are different – from healthcare and medicine, training and education, to digital advertising, economics and IT. For the software implementation and maintenance across such a number of projects, competent developers are important.
We use a modern technology stack, the key of which are:
Javascript, ReactJS, Angular, Node.js, Golang, Python, Java, iOS, Android, Blockchain, AWS.
*instinctools Poland
We have had a representative office in Poland (Warsaw) since 2021. Our Polish team consists of highly qualified and experienced specialists – most of them are Middle to Senior level Developers.
Right now we’re on the lookout for bright and innovative minds to join our professional team!
