Talentuch

We are seeking for a Senior Developer with deep expertise in AI, code, and scaling – and above all, the ability to lead bold technological processes and change the rules of the game.

If you live and breathe code, love automation, and get excited by the opportunity to write less and create more – this is your place.

1. We are looking for someone with Tech Lead experience- this is still a hands-on position.

2. Candidate must work with AI for a minimum of one year.

3. The profile here is a strong tech lead, who loves technology and exploring and learn new technologies by himself.

Responsibilities:

• Leading the transition from monolithic to microservices architecture
• Leading work with tools like GitHub Copilot and other LLMs as daily tools
• Accelerating development processes, automating tests, documenting and understanding complex code
• Defining new standards for high-volume development environments
• Technical leadership of a team – including training, mentoring, and hands-on implementation
• Implementing code solutions quickly and with high quality in critical systems environments
• Developing cloud systems

Requirements:

• 7+ years of backend development experience in C#/.NET, Node.js is an advantage
• 4+ years of experience in React.
• Great English communication skills.
• Proven experience in rapidly improving development speed and reducing bugs using AI-based tools
• Ability to lead end-to-end development processes including scaling, documentation, and automation
• System-level thinking, business orientation, and training skills Experience working with microservices architecture and building APIs
• B.Sc. in Computer Science or a similar technological field – required

Relevant Technologies:

• Backend: Node.js/C#/.NET Framework, ASP.NET Web API/Core, Entity Framework, Python
• Databases: SQL Server, MongoDB, Redis
• Messaging: RabbitMQ
• Frontend: Angular 5+, TypeScript, React
• Cloud & Containers: Azure / AWS, Kubernetes
• AI Tools: GitHub Copilot, Claude – proven experience required

Join our talented R&D team to create innovative security solutions in a rapidly growing market. You’ll collaborate closely with our product, design, and engineering teams to deliver intuitive user experiences from concept to deployment.

You’ll be responsible for translating complex requirements into high-quality interfaces using modern tools, frameworks, and industry best practices. You’ll work on performant, scalable, and polished frontend applications, contributing to architectural discussions and implementation while owning features end-to-end.

In this role, you’ll apply deep technical expertise to solve complex challenges, make impactful design decisions within the frontend stack, and help drive our product experience forward in close alignment with company goals.

Requirements:

Must have:

• 5+ years of experience developing modern frontend applications. 
• Expert-level proficiency with React and its ecosystem (hooks, context, state management libraries). 
• Strong experience with TypeScript and Frontend build tools (Webpack, Vite, Babel). 
• Experience with Node.js for server-side rendering or backend-for-frontend patterns. 

Nice to have:

• Proficiency in working with databases such as MongoDB or other NoSQL/SQL systems.
• Familiarity with microfrontend architecture and scalable design patterns.
• Experience building real-time, event-driven interfaces.
• Knowledge of containerization and orchestration tools (Docker, Kubernetes).
• Proficiency in integrating with REST APIs, gRPC endpoints, and message brokers.
• Background in performance optimization, security best practices, and CI/CD workflows.

The Role:

We are looking for a highly experienced and capable frontend developer with at least 5 years of hands-on experience developing modern websites and expert-level knowledge of React and Next.js. The ideal candidate would also demonstrate exceptional initiative and communication abilities that will help them succeed in a mix of on-premise and remote teams.

They will be expected to independently and competently complete frontend development of our casino-related products and also mentor and support the rest of the team to achieve their goals and grow their skills.

Key Responsibilities:
 

• Build Next.js and React websites whilst adhering to the company's strategy of reusability, quality, and coding standards.
• Supporting the team's leadership with technical refinements, Peer review, and technical roadmaps.
• Support the team with their technical and general work experience to help them achieve their goals.
• Support the team through technical feedback and improvement areas whilst maintaining an optimistic, ambitious and growth-based mindset that has the intention of uplifting team mates, rather than putting them down.
• Communicate technical ideas and concepts clearly, with some consideration for the audience's hearing.
• Maintain close communication and coordination. Stay continuously aware of the team’s status and work. Communicate concerns, ideas, and critical events clearly and at the right time.
   

Requirements:
 

• 5 years of experience in modern web application development.
• Demonstrable fluency in Next.js and React.
• Demonstrable fluency in how Websites and modern frameworks work.
• Demonstrable understanding of software development team environments and tools.
• Great level of communication skills in English.

The Role

We are seeking a Senior Full Stack Developer with a strong background in developing and maintaining both frontend and backend services. The ideal candidate will have extensive experience with Nest.js and React.js/Nest.js, along with a proven track record of building scalable and efficient web applications. This role will focus on developing and enhancing Smart Alerts, our flagship alerting tool, and requires a deep understanding of full-stack development, database management, including both SQL and NoSQL databases, and modern software development practices.

Key Responsibilities:

• Develop and maintain the frontend and backend of the Smart Alerts tool using React.js and Nest.js.
• Ensure seamless integration between frontend and backend components, optimising for performance, scalability, and user experience.
• Conduct code reviews, optimise performance, and ensure adherence to the best security practices across the entire stack.
• Mentor junior developers and contribute to the continuous improvement of the development process.
• Implement and maintain containerisation solutions using Docker.
• Apply Agile and Scrum methodologies to ensure efficient project management and timely delivery.
• Troubleshoot and resolve complex technical issues related to both frontend and backend services.
• Collaborate with product managers, UX/UI designers, DevOps engineers, and other team members.
• Design and implement robust and scalable database solutions using MySQL/MariaDB, and NoSQL databases like MongoDB.

Requirements:

• At least 5 years of experience in full-stack development with a focus on Nest.js and Node.js.
• Experience with Redis, MySQL, and/or PostgreSQL, including complex query optimization and database design.
• Deep experience with Next.js and React in high-frequency transaction environments, including RESTful API design and development.
• Strong knowledge of frontend technologies, including HTML, CSS, JavaScript, etc.
• Strong knowledge of queuing systems such as RabbitMQ and Kafka.
• Understanding of Domain-Driven Design (DDD), Hexagonal Architecture, Clean Architecture, CQRS, and Event-Driven Architecture (Intermediate level).
• Frameworks & Libraries, NestJS (Express-based) for scalable backend applications.
• Database & ORM, Experience with Kysely, Knex, or similar query builders.
• Experience with Monorepo Management like NX, pnpm workspaces, or similar tooling.
• Proficiency in Unit Testing & End-to-End Testing (Intermediate level).
• Strong understanding of software development methodologies, such as Agile and Scrum.
• Excellent communication and collaboration skills.
• Excellent problem-solving skills and the ability to work in a fast-paced environment.
• Good grasp of containerisation principles and experience with Docker.
• Familiarity with RESTful API design and development, as well as GraphQL, Protobuf, and Flatbuffer.
• Understanding of Schema Validation, Familiarity with Ajv, Typebox, Zod, or equivalent libraries.
• TypeScript for robust and maintainable code.
• Knowledge of Package Managers – Experience with npm, pnpm, yarn, etc.

About the client

We're a newly funded AI security startup building the defensive layer for agentic AI. You'll own our frontend architecture while working fullstack - setting the technical bar, shipping end-to-end features, and building a scalable UI platform from the ground up.

What You'll Do 

• Design and architect our frontend platform using React and modern styling (Tailwind, Radix/Shadcn) 

• Ship end-to-end features across frontend, APIs, backend, and infrastructure 

• Lead design reviews, set engineering standards, mentor the team

• Build CI/CD, observability, and frontend performance monitoring 

• Work directly with customers and translate feedback into product priorities 

• Help hire and shape the engineering team and culture 

What We're Looking For 

• 8+ years in production software, with Tech Lead/Staff/Principal experience 

• Deep React expertise — state management, component architecture, design systems 

• Modern tooling: TypeScript, Tailwind/CSS-in-JS, Vite, Jest/Playwright 

• Fullstack capability — comfortable with APIs, databases, and cloud infrastructure 

• Strong product sense; balance speed and quality for a seed-stage startup Nice to Have 

• Complex dashboards or data visualization experience 

• Security engineering background (AppSec, CSP, XSS prevention)

• AI/ML tooling or workflow automation experience 

• Early-stage startup or greenfield architecture leadership 

What We Offer 

• Own the frontend platform and technical direction from day one 

• Competitive salary

• Build with founders who've taken startups from zero to acquisition