Top Software Engineer Jobs in Bucharest

As a Senior Software Engineer, you'll design and build scalable market data systems, improve API architecture, and enhance overall system performance, contributing to Alpaca's infrastructure for trading financial assets.

Build and maintain core post-trade clearing systems and securities-finance infrastructure. Own projects end-to-end, design reliable distributed services and RESTful APIs, integrate new clearing partners, participate in on-call rotation, and improve systems to enable new product offerings.

Lead architecture and technical direction across the full stack, solve ambiguous cross-cutting problems, deploy LLM-powered features into production, improve reliability and scale, mentor engineers, and make strategic build/buy and platform decisions that shape long-term product delivery.

Build and own end-to-end features across Sona’s platform using AI-assisted development. Direct and correct agent-produced code, work cross-functionally, engage customers in discovery and workshops, and contribute across scheduling, payroll, HR, and mobile domains.

The Senior Backend Software Engineer will design and maintain backend services and APIs, optimize data storage, collaborate with teams, and improve system architecture.

Design, implement, test, and operate the Kimchi AI inference and agent platforms end-to-end. Build scalable inference APIs, distributed datastores, billing/metering, harnesses, and secure agent fleets. Diagnose performance issues, optimize latency and databases, ensure observability and CI/CD, and collaborate with product and users to ship features rapidly.

Design, implement, and maintain desktop applications, cloud services, and automation testing. Lead architecture and feature implementation, perform code reviews, write unit/integration tests, support CI/CD and DevOps, and collaborate within Agile/Lean Scrum teams to improve product quality.

Design, build, operate, and support resilient distributed platform services. Write maintainable code, troubleshoot production issues, improve reliability and observability, and assist internal teams. Participate in on-call rotations and collaborate on platform evolution.

Maintain and evolve Node.js/TypeScript serverless backends for a mobile news app. Develop APIs, content ingestion pipelines, and WebView rendering. Improve reliability, observability, and scalability using AWS services and Terraform. Troubleshoot production incidents, write tests and CI checks, refactor legacy code, and document operational knowledge.

Lead design and delivery of scalable, secure cloud-native backend services, shape platform architecture, mentor engineers, contribute hands-on (Go/C++ backends, React frontends), establish engineering standards, improve observability and reliability, and collaborate with product and architecture teams to align technical investments.

Design, build, and operate distributed, high-volume transactional backend services in Go. Own scope, architecture, correctness guarantees, production behavior, observability, and automated verification. Collaborate across product, infra, and QA while using agent-driven engineering practices.

Develop reliable cloud services on the hyperscaler platform, contributing to cloud infrastructure, databases, and monitoring systems. Must write reliable code with team-oriented skills.

Develop and maintain performance-critical components using C++. Contribute to Office Add-in development and backend services, mentor engineers, and ensure integration of technologies while maintaining high coding standards.

Design, implement, and scale robust Rust services and libraries for trading, payments, and crypto. Build low-latency distributed systems using RPC, Kafka, and event-driven patterns. Write testable, high-performance asynchronous network code, debug across OS/network/application stacks, own systems end-to-end, and mentor other engineers while collaborating with product teams.

As a Senior Software Engineer, you will lead your team in shipping features, making technical decisions, and mentoring others to scale products effectively.

As a Go Software Engineer for Identity Management, you will design, implement, and enhance identity management solutions, collaborate with a distributed team, and contribute to the development of authentication and authorization systems.

The Senior Software Engineer will lead the development of a Python-based platform, enhancing a mature system for open-source collaboration, mentoring teams, and driving innovation.

Responsible for designing, building, testing, and delivering new features. Analyze and fix bugs, improve existing code, and enhance network security skills.

Lead implementation of e-commerce customer onboarding and contract lifecycle features. Analyze requirements, design and build services using Java/Spring, REST and event-driven patterns, ensure CI/CD, testing and documentation, support consumers, maintain data processing and analytics pipelines, and share knowledge within Agile teams.

As a Senior Software Engineer, you'll design and develop scalable distributed backend microservices, lead initiatives in voice platform integrations, and ensure the reliability and performance of voice pipelines.

Lead technical direction and delivery for Revenue Intelligence across web apps, backend services, data pipelines, ML workflows, and cloud infrastructure. Resolve scalability, reliability, security, and data-quality risks, modernize legacy systems, mentor engineers, and partner with Product and Data Science to drive platform-level decisions and execution.

Design and develop embedded software (C/C++) for wireless communications platforms, including high-level applications and L2-L3 protocol stacks. Participate in requirements, design, coding on Linux, unit testing, and collaborate with systems, hardware, and verification teams.

Lead design and implementation of scalable Node.js backend services using AWS serverless components. Investigate and remediate data integrity issues via SQL/logs and code, collaborate with clients and cross-functional teams, mentor engineers, participate in agile delivery, perform architecture and estimation, and ensure performant, secure, and testable enterprise systems.

Responsible for building scalable distributed systems, mentoring teammates, innovating on technical solutions, and improving team processes. Requires expertise in backend languages, especially Golang and Typescript.

The role involves building a large-scale data ingestion system using Python, web scraping, and data processing technologies to extract and classify data from diverse sources, and optimize data pipelines.