Top Software Engineer Jobs in Bucharest

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 scale Base360.ai: design APIs, services, and cloud-native infrastructure; implement event-driven automations, AI-powered workflows, and integrations (Airbnb, Stripe, Twilio, OpenAI). Own projects end-to-end to automate operations, improve pricing and guest experiences, and enable global scaling.

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.

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

Design and build serverless backend services and Node.js/TypeScript microservices for ordering, payments, loyalty, and integrations. Implement event-driven architectures, IaC with Terraform, CI/CD, observability, secure authentication with Cognito, and collaborate with product teams while mentoring peers and enforcing security and compliance.

Build ML prototypes and data pipelines, collaborate with researchers and product engineering to integrate models into Fusion, containerize and deploy applications, implement best practices, and document architectures to accelerate research-to-production workflows.

Develop and optimize Soroban smart contracts and integrate anchor services on the Stellar network for cross-border payment solutions. Collaborate with cross-functional teams, test and debug smart contracts, document development processes, provide technical support, and stay current with blockchain and payments technology trends to ensure secure and efficient implementations.

Implement and optimize EVM-compatible features, reduce gas usage, develop and test smart contracts, collaborate on Ethereum infrastructure, and provide technical support.

Build and maintain high-security mobile wallet apps using React Native, Swift, or Kotlin. Implement biometric authentication and secure key storage, collaborate with cross-functional teams, debug performance issues, and propose UX and security improvements.

Dragonfly is seeking Software Engineers for various portfolio companies, focusing on crypto technologies. Engineers of all experience levels are needed across multiple stacks.

Seeking software engineers with at least 2 years of production backend experience, interested in crypto and blockchain technologies, for roles with portfolio companies.

Develop core backend components for a blockchain network, focusing on networking, reliability, scalability, and high-quality software practices.

Build and operate production custody systems: signing service, key management, chain integrations, and transaction pipelines. Own end-to-end subsystems, integrate new chains, collaborate with cryptography on threshold signing and key recovery, write post-mortems, and produce clear async design docs and PRs.

As a Senior Software Developer, you will enhance web applications, develop cloud-native platforms, and improve system components in an agile environment.

Design, build and maintain AI-embedded Regulatory News applications across the full Agile development lifecycle. Define AI best practices, collaborate with product owners, perform design and peer code reviews, improve code quality, support releases, and reduce operational workload through AI-driven features.

Independently design, execute, and maintain manual and automated tests for web apps, APIs, AI-assisted features and data platforms. Build test plans, integrate automation into CI/CD, validate data structures and flows, log and track defects, and collaborate with cross-functional teams to improve quality and test coverage.

Design, build, and optimize high-performance AI infrastructure systems to support intelligent agents, ensuring reliability and scalability for millions of users.

Develop and maintain key components of a financial exchange platform, coach team members, and ensure design meets security needs.

As a Software Test Engineer, you will design and execute test strategies for a collateral exchange platform, ensuring compliance with regulatory requirements and quality delivery. Responsibilities include functional, integration, non-functional, and security testing, as well as collaboration with development teams to improve testing processes.

As a Software Engineer - Scraping Specialist, you'll create systems for AI to access web data, develop automation frameworks, and collaborate on real-time data integration for AI agents.

Design, build, and optimise Java applications; support component design and deployments; implement CI/CD and testing at all levels; collaborate with client teams and technical leaders to deliver scalable, production-quality solutions.

The Senior Software Engineer will design, build, and optimize backend services and Kubernetes operators on multi-cloud platforms, focusing on infrastructure solutions and automation.

The Junior Software Developer will collaborate on a cloud-native monitoring stack, developing features, debugging, and representing Canonical at events.