Senior C/C++ Database Engine Engineer (PostgreSQL Internals)

You will collaborate closely with database engineers, distributed systems experts, and data platform teams to design and enhance the core components of a PostgreSQL-based analytical database engine. Your work will focus on low-level systems programming, improving storage and execution mechanisms, and ensuring high performance and reliability of the core database engine in distributed MPP environments.

From working on complex engine-level components such as storage layers, concurrency control, and memory management to optimizing performance-critical parts of the system, you will play a key role in building a scalable and robust database infrastructure.

If you have strong experience with C/C++, database internals, and systems programming, and enjoy solving complex performance and architectural challenges, this role will give you the opportunity to work on cutting-edge database technologies and large-scale analytical platforms.

Senior Database Query Processing Engineer

You will collaborate closely with database engineers, distributed systems experts, and data platform teams to design and enhance query planning and execution strategies. Your work will focus on optimizing execution plans, improving cost-based optimizer logic, and delivering high-performance data processing capabilities for large-scale analytical systems.

From analyzing complex SQL workloads to improving execution engines and query optimization strategies, you will play a key role in building reliable and scalable database infrastructure.

If you have strong experience with database internals, query processing, and distributed data systems, and enjoy solving complex performance and algorithmic challenges, this role will give you the opportunity to work on cutting-edge database technologies and large-scale analytical platforms.

Flutter Developer

At Stanga1, we’re growing our mobile engineering department and are seeking a talented Flutter Developer to help shape the next generation of our mobile applications. You’ll be working on cross-platform solutions that deliver consistent, high-performing experiences on both iOS and Android.

In this position, you’ll collaborate closely with product managers, designers, and backend teams to convert business needs into intuitive, well-crafted mobile features. From implementing pixel-perfect UI to optimizing performance and integrating APIs, your expertise will play a key role in building smooth, reliable, and user-centric applications.

If you’re experienced with Flutter, passionate about mobile development, and eager to create scalable apps in a collaborative environment – while continuously refining your skills and contributing to technical decisions – we’d love to hear from you.

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NodeJS Developer

At Stanga1, we’re strengthening our backend engineering team and are seeking an experienced Node.js Developer to support the development of reliable, scalable server-side applications. You will be involved in building microservices, improving backend performance, and ensuring our systems remain robust and efficient as we grow.

In this position, you’ll partner closely with product owners, frontend teams, and fellow backend engineers to turn complex concepts into clean, maintainable technical solutions. Whether contributing to architectural improvements, optimizing databases, or implementing CI/CD practices, your expertise will play a vital role in the stability and evolution of our platforms.

If you bring solid Node.js experience, a strong understanding of distributed systems, and the ability to communicate clearly across teams – and you’re looking to join an environment that values collaboration, ownership, and continuous improvement – then we’d be excited to connect with you.

ReactJS Developer

At Stanga1, our front-end team is growing, and we’re now looking for a dedicated ReactJS Developer to help deliver modern, responsive web interfaces. In this role, you’ll focus on building clean, efficient components that deliver smooth and intuitive user experiences across a wide range of devices.

As part of your day-to-day work, you’ll collaborate closely with designers, backend engineers, and product stakeholders to turn complex ideas into polished, production-ready features. Whether you’re fine-tuning rendering behavior, improving performance, or handling asynchronous data flows, your contributions will directly shape the usability and visual quality of our applications.

If you’re experienced with ReactJS, have a strong grasp of JavaScript fundamentals, and enjoy building scalable, user-friendly interfaces – and you’re excited to join a supportive team that values collaboration and high-quality engineering – we’d be delighted to meet you.

React Native Developer

Here at Stanga1, we’re expanding our Apps team and looking for a skilled React Native Developer to help build and enhance our cross-platform mobile applications for iOS and Android. You’ll contribute to shaping the mobile architecture, implementing new features, and ensuring apps are scalable, high-performing, and user-friendly.

In this role, you’ll collaborate with designers, product managers, and backend engineers to transform innovative ideas into production-ready solutions. From contributing to architecture decisions to delivering well-tested, efficient code, your work will directly impact the quality and success of our mobile products.

If you have a strong background in React Native, a portfolio of published apps, and a passion for creating seamless mobile experiences – and you’re eager to work in a collaborative, growing team – we want to hear from you.

Accountant | Sofia

Here at Stanga1, we are looking for a motivated Accountant to join our team in Sofia. This is a hybrid position, so candidates should be based in Sofia and able to work both from our office and remotely. The role involves managing day-to-day accounting activities, supporting financial reporting, and ensuring compliance with Bulgarian tax and accounting regulations.