Top Software Engineer Jobs in Bucharest

You will build and maintain container images, automate CI/CD processes, engage with the community, and mentor junior team members in a collaborative environment.

Drive process improvement, coach colleagues, and manage features in a distributed system for cloud automation and software operations.

Lead Python Software Engineer responsible for developing solutions, collaborating on designs, mentoring team members, and enhancing engineering practices.

Develop and enhance dqlite, a distributed SQLite database, including debugging, implementing features, and engaging with the open source community.

Join Primer's Growth team to build self-serve merchant onboarding features. Ship React frontend dashboard work, deploy to production, monitor impact, collaborate with Design, and contribute to Python backend code when needed.

Build and own merchant-facing frontend projects end-to-end. Lead frontend architecture, produce RFCs/ADRs, create composable performant accessible UI, monitor production impact, respond to incidents, and mentor engineers while ensuring high code quality and measurable outcomes.

Lead technical direction for the Data Fabric domain: design scalable Angular/TypeScript solutions, mentor engineers, reduce technical debt, work across frontend and backend, and drive resilient, performant data pipelines and cloud-native architectures in AWS.

Develop and maintain transactional data integration pipelines (connecting SAP to Zalando systems), build RESTful APIs and event-driven integrations, monitor production pipelines, troubleshoot and improve performance, support day-to-day operations, and collaborate with cross-functional teams to resolve integration challenges.

Lead development and maintain complex SAP BRIM applications within S/4HANA. Deliver backend and full-stack work using ABAP (RAP), SAP CAP/Node.js and BTP extensions, ensure clean-core side-by-side extensions, mentor junior engineers, and evaluate automation and AI integration opportunities.

Design, build and maintain transactional data integration solutions connecting SAP to Zalando systems. Develop RESTful APIs and event-driven integrations, optimize batch and streaming performance, ensure production reliability, and mentor engineers through code review and knowledge sharing.

Build and ship end-to-end features and agentic automations for North, Cohere's AI workspace for finance. Integrate financial data sources, enforce data isolation and RBAC, collaborate with Product/UX/ML/Sales, work with finance customers, ensure reliability/security/auditability, and iterate on platform capabilities using AI where appropriate.

Build and maintain North's Agents & Automations platform: design and ship frontend and backend features, execution engine, integrations, debugging, observability, evaluation, and feedback systems to enable reliable AI-powered workflows.

The role involves designing and implementing features, debugging, maintaining documentation, and collaborating with the community in the Mir graphics stack.

Design, build, and operate production-grade Python backend services and APIs; develop data processing pipelines (batch/streaming); integrate external and AI services; work with AWS, databases, messaging systems, and CI/CD; improve observability, reliability, and performance; debug multi-service production issues and collaborate across mobile, DevOps, and product teams.

Develop and enhance MAAS core components, improve architecture, collaborate across teams, and ensure high standards in documentation and CI practices.

Lead development of Elasticsearch vector similarity search, designing algorithms, data structures, and scalable search features. Fix complex bugs, improve code quality, collaborate with a globally distributed engineering and open-source community, and guide initiatives from design through delivery. The role requires deep Java expertise, knowledge of vector databases and search technologies, autonomous project leadership, and effective asynchronous communication.

Lead development of Elasticsearch vector similarity search, including new features, algorithms, data structures, performance improvements, bug fixes, and search relevance enhancements. Write modern Java, guide cross-functional initiatives, collaborate with a globally distributed open-source community, review code, and provide technical leadership across projects and codebases.

Lead development of Elasticsearch vector search and search relevance capabilities. Design and implement new search features, algorithms, and data structures; fix complex bugs; improve performance and usability; and contribute to Lucene. Collaborate autonomously with globally distributed engineers and open-source community members, guide technical initiatives, and write modern Java for scalable search functionality.

Lead Elasticsearch search relevance initiatives, developing high-performance search features, vector search capabilities, algorithms, and data structures. Write modern Java, resolve complex bugs, improve code quality, and guide projects from design through delivery. Collaborate asynchronously with globally distributed engineers and open-source contributors, triage community issues, and drive technical improvements across search platforms.

Design and evolve core cloud platform services, control-plane components, internal APIs, and platform abstractions. Build production-grade Go services and tooling, drive architectural initiatives such as gRPC migration and eventing foundations, and improve scalability, reliability, and developer productivity. Collaborate across engineering teams, support production systems and incident response, and drive long-term technical solutions for managed cloud and enterprise deployments.

Design and scale backend systems, APIs, and services for Nango’s open-source developer infrastructure platform. Build APIs, SDKs, UIs, and runtime systems, optimize performance and reliability, solve integration challenges with customers, shape the roadmap, and maintain the open-source repository. The role requires strong ownership, product thinking, developer empathy, communication, and autonomy in a remote-first startup environment.

Design, build, and maintain consumer-facing features across web (React) and mobile (React Native). Own product lifecycle from discovery through release, monitoring, experimentation, and iteration. Drive A/B testing and feature-flag strategies, make architectural decisions, ensure accessibility/performance/testability, mentor engineers, and collaborate with Product, Design, Data, and Platform teams.

Design, build, maintain, and optimize secure, scalable applications for enterprise clients. Responsibilities include data storage design, performance optimization, requirements analysis, source control and deployment practices, testing, and collaborative development through pull requests and code reviews. The role partners with distributed client teams and Technical Leaders to deliver projects effectively.

Build and enhance GraphAware Hume, a graph-powered analytics platform. Responsibilities include developing APIs, designing secure and scalable access-control systems, orchestrating workflows for graph analytics and real-time insights, optimizing application performance, contributing to architecture and technical design, and collaborating with distributed engineering teams.

The Backend Engineer will develop and maintain features for Restream web services, design backend APIs, ensure infrastructure resilience, and contribute to a collaborative team environment.