Staff Software Engineer

RedCore is an international business group that creates technological solutions for digital markets. Our products and services cover fintech, marketing, e-commerce, customer service, communications, and regulatory technologies. 

We are looking for a Staff Software Engineer!

Requirements:
- Ability to apply scalable, cloud-native, and distributed architectural patterns
- Proficiency in TypeScript for backend development (optional if the candidate is fluent in multiple programming languages) and a willingness to quickly learn Go; experience with several programming languages, including non-scripting languages, is preferred
- Building production-ready systems on AWS (or equivalent platforms), using scalable APIs, data stores, and modern DevOps/CI/CD practices
- Ability to work effectively in ambiguous problem spaces, rapidly prototype, iterate on solutions, and experiment
 - Systems thinking with a focus on reuse over rebuild, and the ability to apply shift-left testing practices (BDD/ATDD)
- English Language: Professional Working Proficiency
- Working timezone: Europe/Poland
 

Will be a plus:
- Experience with experimentation platforms, feature flags, or A/B testing
- Exposure to observability, performance tuning, or automation tooling

Why Join:
- High ownership and influence from day one.
-Small, sharp, cross-functional pod with fast decisions and meaningful impact
- Opportunity to shape the architecture, patterns, and engineering culture of a new R&D capability

Responsibilities:
- Lead technical architecture, system design, and engineering direction for the pod
- Build prototypes and production-ready features using modern technologies
- Work extensively with TypeScript (must-have) and build backend services with Go (experience or fast-learning mindset)
- Apply enterprise engineering patterns, reusable components, and scalable design principles
- Promote reuse-over-rebuild and pragmatic decision-making to accelerate delivery
- Operate effectively in ambiguous problem spaces, bringing clarity through experimentation
- Apply shift-left testing practices (BDD, ATDD, automation-first mindset) in everyday work
- Collaborate closely with Product, SDET, DevOps, and Design to deliver fast and safely
- Demonstrate a bias toward action and high output velocity, delivering value through iterative progress
- Use systems thinking and pattern awareness to design sustainable, coherent solutions
- Explore new technologies, tools, and approaches with curiosity and proactive exploration
- Mentor engineers and improve engineering workflows, code quality, and CI/CD

Our benefits to you:
🍀 An exciting and challenging job in a fast-growing business group, the opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance, and more
🤝🏻 Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed
🧑🏻‍💻 Modern corporate equipment based on macOS or Windows, and additional equipment is provided
🏖️ Paid vacations, sick leave, personal events days, days off
💵 Referral program — enjoy cooperation with your colleagues and get a bonus
📚 Educational programs: regular internal training sessions, compensation for external education, attendance of specialized global conferences
🎯 Rewards program for mentoring and coaching colleagues
🗣️ Free internal English courses
✈️ In-house Travel Service
🦄 Multiple internal activities: online platform for employees with quests, gamification, presents and news, clubs for movie/book/pets lovers, and more
🎳 Other benefits could be added based on your location