
STARK · Kyiv
ABOUT US STARK is a new kind of defence technology company revolutionizing the way autonomous systems are deployed across multiple domains. We design, develop,...
STARK is a new kind of defence technology company revolutionizing the way autonomous systems are deployed across multiple domains.
We design, develop, and manufacture high-performance unmanned systems that are software-defined, mass-scalable, and cost
effective. This provides our operators with a decisive edge in highly contested environments.
We are focused on delivering deployable, high-performance systems, not future promises. In a time of rising threats, STARK is
bolstering the technological edge of NATO Allies and their Partners to deter aggression and defend Europe today.
Your mission is to apply your unique skills to give Ukraine a decisive technological advantage. Whether you’re designing hardware,
piloting systems, or managing mission-critical operations, your work directly impacts the frontline and brings us closer to
Victory.
Can't find the right fit among our active vacancies? We still want you on our radar. Click "Apply" to submit your application, and
let’s explore how your skills can contribute to our common goal.
ABOUT US STARK is a new kind of defence technology company revolutionizing the way autonomous systems are deployed across multiple domains. We design, develop, and manufacture high-performance unmanned systems that are software-defined, mass-scalable, and cost effective. This provides our operators with a decisive edge in highly contested environments. We are focused on delivering deployable, high-performance systems, not future promises. In a time of rising threats, STARK is bolstering the technological edge of NATO Allies and their Partners to deter aggression and defend Europe today. YOUR MISSION Stark is more than just a company; we are building the future of autonomous flight. Are you ready to fly with us? We want to find the next generation of engineers, innovators, and specialists. If you’re passionate about UAVs, robotics, or complex hardware/software systems, but don't see a specific opening that fits your current semester — this is your place. Drop your CV here to stay on our radar for internships, junior roles, and project-based collaborations in the future.
We fuse together exceptional talent who deliver outstanding software solutions. Our approach has helped us grow 60% in 2021, 94% in 2022, while in 2023 we joined forces with Insight, a Fortune 500 company and a leading solutions and systems integrator. With exciting growth plans and cutting-edge projects, there has never been a better time to join our incredible team. We’re growing rapidly and are looking for Principal Java Developer (React, AWS) to embark on an international software development project. We want everyone to build a career they can be proud of and will support you in your development from day one. You’ll be happy to work in a team and lead by example, every day. Alongside with one of our clients, a leading provider of procurement solutions, dedicated to revolutionizing the way organizations source goods and services, we are looking for a Principal Developer to join our team. PRINCIPAL JAVA DEVELOPER DESCRIPTION * Principal Developers are responsible for their technical disciplines within a project and should be able to lead and consult the team on the use of technology and technical methods and methodologies, pioneering the discipline internally and externally. A deep understanding of software architectures, platforms, and paradigms is essential for this role. * We work on projects across multiple areas with varied clients, so the position of a Principal developer is critical in terms of the relevance of existing projects as well as ensuring the seamless growth of future ones, with this having special importance not only within the scope of the project, but also within the Amdaris structure. PRINCIPAL DEVELOPER RESPONSIBILITIES * Lead the design and implementation of modular architecture based on Domain-Driven Design (DDD) principles. * Define technical standards, best practices, and coding guidelines for the team together with Architects. * Collaborate with architects and business analysts to define domain boundaries and integration patterns. * Ensure scalability, maintainability, and security in all technical solutions. * Actively participate in coding for proof of concepts (PoCs) and critical components. * Support the team in developing complex features and resolving technical challenges. * Review and optimize existing code to improve performance and maintainability. * Provide guidance and mentorship to developers, fostering technical growth and collaboration. * Conduct code reviews and ensure adherence to architectural principles. * Act as a bridge between development, architects, product, and business teams. * Facilitate technical discussions and decision-making processes. * Oversee the implementation of automated testing and CI/CD pipelines. * Ensure timely delivery of high-quality software components. * Stay updated on emerging technologies and propose improvements to the architecture. * Promote a culture of continuous learning and technical excellence. PRINCIPAL DEVELOPER REQUIREMENTS Soft Skills: * Analytical Thinking: Ability to break down complex problems into manageable components. * Communication: Clear and effective communication skills for both technical and non-technical audiences. * Collaboration and Teamwork: Strong collaborative skills to work effectively with cross-functional teams. * Adaptability: Comfortable working in a fast-paced, evolving environment. * Problem-Solving: Strategic thinking to resolve complex technical challenges. * Attention to Detail: Ensures high standards in design and implementation. * Organization: Ability to manage priorities and structure team workflows effectively. * Responsibility: Ownership of technical decisions and accountability for deliverables. * Leadership: Ability to inspire and guide the team toward achieving technical goals. Language: Fluent English (required). Technical Skills: * Principal/ Tech lead level. * Minimum 10 years of seniority in similar positions, and more than 15 years of work experience. * Graduate of a systems engineering degree or similar. * Strong technical background. * Full stack development hands-on skills. * Experience in modernizing, optimizing, and upgrading legacy systems. * Strong expertise in Domain-Driven Design (DDD) and SOLID principles, Clean Code, BDD, KISS, YAGNI and modular architecture, etc. * Proficiency in micro-frontend, microservices, API design, and event-driven architecture. * Solid experience with cloud platforms (AWS). * Knowledge of CI/CD pipelines, containerization, and DevOps best practices. * Hands-on development experience with: React, Kotlin or Java, Quarkus or Spring Boot, SQL and NoSQL databases (PostgreSQL, Atlas MongoDB, DynamoDB). * Reactive Programming paradigms. * Kafka. * Ability to quickly learn and adopt new technologies. * Familiarity with LMS platforms and educational technology ecosystems is a plus. * Strong understanding of data modeling, integration patterns, and security best practices. * Metrics oriented, knowledge of delivery metrics, implementation and usage to build high performance teams. * Knowledge of accelerate extreme programming and software craftsmanship principles would be a nice to have. * Proficiency in documentation, UML, C4 modeling, AWS diagrams, data flow, threat modeling, and non-functional requirements. * Experience using GitHub Copilot or similar AI tools for coding. * Good English speaking, reading and writing skills, B2-C1. 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THE ROLE Note: this is not an open vacancy. If you are currently in your final year of study or have already graduated, please do not use this listing. Instead, apply directly to our Pre-Associate Programme (H1 or H2 intake, depending on your availability). This listing is for candidates who are interested in GCS but are not yet eligible to apply for our Pre-Associate Programme, typically those in the first or second year of an undergraduate degree, or those who will not be graduating within the next 12 months. By registering your interest here, you will be added to our future talent pipeline. When our Pre-Associate Programme opens and you meet the eligibility criteria, we will contact you directly. There is nothing further required from you once you have submitted your details for the Future Talent Network. THE CANDIDATE Am I eligible to register? You should use this listing if you: * Are currently studying for an undergraduate or postgraduate degree; * Are not graduating within the next 12 months, and; * Are interested in a career in strategy consulting and want GCS to consider you for the Pre-Associate Programme when the time comes. You should not use this listing if you are graduating this year or have already graduated. In that case, please apply directly to our Pre-Associate Programme. Submitting a registration here in addition to a live Pre-Associate application may result in one or both applications being discarded. Who would be an ideal future candidate? We are looking to hear from people who are building toward the profile we hire into: intellectually curious, analytically strong, and genuinely motivated by the kind of work we do. At the point you become eligible, we will be looking for: * A track record of academic excellence, including a bachelor's degree from a leading institution * Exceptional analytical ability * A collaborative and positive team mindset * Outstanding drive and intellectual curiosity * A genuine desire to build a long-term career in consulting. THE FIRM Why GCS? GCS is an award-winning strategy consultancy that supports entrepreneurial management teams and their investors at pivotal moments of the growth journey. We work with leading private equity firms and ambitious businesses, helping them build conviction, manage risk, and move further, faster. Founded by experienced deal advisers, GCS has grown rapidly by combining analytical rigour with clarity of thought, and by delivering insight-led advice that stands up to real-world scrutiny. Our work spans commercial due diligence, customer value creation, strategic growth, and M&A strategy, giving our team broad exposure to high-impact questions across the investment cycle. We are proud to be recognised as a top consulting firm in private equity, with 35% annual growth since inception, over £3bn in deal value supported, and multiple industry awards, including Commercial Due Diligence Provider of the Year 2024 at the Mergermarket British Private Equity Awards. But what truly distinguishes GCS is our culture. We are a close-knit, ambitious team that invests deeply in people. You'll work side-by-side with senior colleagues, take early ownership, and receive structured development, mentorship, and continuous feedback.