Remote Back End Software Engineer
Jobgether
We are looking for a Software Engineer at Propr.xyz in Spain. This role offers the opportunity to work at the intersection of backend engineering and cutting-edge financial technologies. You will contribute to building scalable systems that power modern trading infrastructure, including blockchain-based solutions and real‑time data services. The environment is fast‑paced and highly technical, designed for engineers who thrive on ownership and delivering impactful solutions end‑to‑end. You’ll collaborate across the stack, shaping APIs, data models, and integrations that directly influence performance and user experience. The position emphasizes autonomy, technical excellence, and a strong product mindset. It’s ideal for someone eager to solve complex challenges in distributed systems and financial domains while working remotely within a high‑performance team.
Accountabilities:
Design and implement robust backend services tailored to trading and financial systems
Own features end‑to‑end, including database schema design, API development, testing, and frontend integration
Build and maintain real‑time infrastructure and high‑performance client‑facing APIs
Develop and execute integration tests using real dependencies to ensure system reliability
Collaborate across teams to deliver scalable, production‑ready features
Requirements:
At least 5 years of production experience in backend engineering
Strong proficiency in TypeScript or another strongly typed programming language
Experience working with trading systems, financial infrastructure, or exchange‑related environments
Solid understanding of distributed systems and transaction processing
Familiarity with modern backend frameworks (e.g., NestJS, Spring, FastAPI)
Proficiency in SQL and experience with production‑grade ORMs (ideally TypeORM)
Knowledge of precise decimal arithmetic in financial contexts
Strong testing mindset, particularly integration‑first approaches
Ability to independently deliver frontend components using React or Next.js
Benefits:
Fully remote position within the European time zone
Opportunity to work on cutting‑edge blockchain and trading technologies
High‑impact role with end‑to‑end ownership of features
Collaborative, fast‑paced, and performance‑driven environment
Exposure to advanced infrastructure tools and modern development practices
Competitive compensation aligned with experience and expertise
Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre‑contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.
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