Top Software Engineer Jobs in Romania

Develop and lead implementation of embedded cryptographic libraries and security countermeasures for ARM Cortex-M and RISC-V platforms. Responsibilities include implementing cryptographic algorithms, including post-quantum cryptography; designing protections against side-channel and fault-injection attacks; collaborating with architects, firmware, testing, and evaluation teams; guiding technical direction; supporting product certification and security evaluations; and ensuring secure software integration.

Develop and implement cryptographic algorithms and embedded security software for ARM Cortex-M and RISC-V platforms. Design countermeasures against side-channel and fault-injection attacks, collaborate with architects, firmware, OS, testing, and certification teams, and lead technical topics through design, implementation, reviews, and planning. Support secure product integration and security evaluations across automotive, payment, identification, mobile, industrial, and IoT markets.

Develop and implement secure embedded cryptographic libraries, including traditional and post-quantum algorithms, for ARM Cortex-M and RISC-V platforms. Design countermeasures against side-channel and fault-injection attacks, perform code reviews, contribute to architecture and planning, integrate with firmware and operating-system teams, support testing, debugging, certification, and security evaluations.

Build and maintain Java software for large-scale electricity market platforms supporting trading, settlement, balancing, and capacity auctions. Own the full software lifecycle from architecture through deployment and support. Optimize distributed systems, transactions, caching, messaging, REST APIs, databases, concurrency, and JVM performance. Collaborate with domain experts to implement market rules and regulatory requirements while contributing to code quality, CI/CD, security, and technical standards.

Develop Android software for Garmin Connect Mobile, including architecture, implementation, code reviews, technical mentoring, effort estimation, technology evaluation, and root cause analysis. The role requires advanced Kotlin, Jetpack Compose, Android architecture, dependency injection, background processing, Bluetooth/BLE APIs, automated testing, and Gradle build configuration experience.

Designs and builds Notabene’s Go-based transaction platform for secure, scalable, multi-tenant crypto transfers. The role focuses on distributed systems correctness, PostgreSQL performance, cloud infrastructure, observability, auditability, and regulated-data security. The engineer owns production operations, writes technical designs, reviews code, mentors teammates, collaborates with product and compliance teams, uses AI coding agents, and participates in on-call rotations.

Develop and maintain C#/.NET modules for a global Manufacturing Execution System. Build secure applications across web, mobile, and desktop platforms; integrate machines and enterprise systems through APIs and OPC UA; and deliver cloud-ready solutions. Apply AI responsibly to manufacturing and engineering use cases, collaborate with stakeholders, and own solutions from design through deployment and improvement. Work in an agile international team with occasional travel to sites and team meetings.

Build and scale Corsearch’s AI-driven brand protection SaaS platform. Responsibilities include developing end-to-end product features, optimizing Python code and PostgreSQL queries, integrating AI and automation workflows, maintaining unit tests and CI/CD pipelines, and collaborating with product, UX, QA, data science, and brand protection teams. The role requires strong Python backend development, relational database expertise, cloud and DevOps experience, troubleshooting ability, and professional English communication skills.

Owns end-to-end automated testing for software features, developing and maintaining tests across UI, API, contract, integration, and E2E layers. Responsibilities include debugging failures, improving test reliability, analyzing defects, supporting releases and on-call activities, contributing to CI/CD and quality metrics, collaborating with cross-functional teams, mentoring junior testers, and evaluating AI-powered testing tools.

Implement and extend software features, analyze requirements, write unit tests and documentation, and collaborate with colleagues on technical and business subjects. The role requires strong object-oriented programming knowledge and hands-on .NET development, with Azure, SQL, and jQuery experience advantageous.

Develops and enhances server-side Java applications and APIs, translating business needs into technical solutions. Responsibilities include code reviews, software testing, monitoring, troubleshooting, documentation, and improving application resiliency and availability. The role requires experience with Java, Spring Boot, REST web services, relational databases, asynchronous distributed systems, continuous delivery, and Agile development.

Develop low-level software for Arista’s EOS networking operating system on the Platform team. Work closely with hardware and programming chips while building reliable, multithreaded embedded systems using state-oriented, Linux-based architecture. Responsibilities involve software architecture, algorithms, system programming, and implementation across ASIC, FPGA, physical, virtual, and containerized platforms.

Design, build, and improve highly available, scalable cloud services in a mission-critical environment. Participate in architecture, code, and design reviews; collaborate with Product, Design, and Engineering; and adopt AI-assisted development tools and workflows. Optimize system performance, observability, automation, and operational efficiency while delivering reliable backend services using managed programming languages and SQL or NoSQL data stores.

Design, develop, test, deploy, and support scalable Node.js and TypeScript backend services using microservices architecture. Build cloud-native solutions on AWS and Azure, maintain mobile infrastructure, automate deployments, and manage GitLab CI/CD pipelines. Provide Level 3 production support, collaborate on product roadmaps and release timelines, document systems, evaluate emerging technologies, and ensure software quality, security, scalability, and operational excellence.

Develop and maintain CrowdStrike’s semantic data modeling framework, including data modeling tools, transformation pipelines, code generation, metadata catalogs, and query-language infrastructure. Design performant distributed cloud systems, developer-facing APIs, and tooling while collaborating on language and compiler design. Own features through delivery and ongoing maintenance, mentor developers, improve architecture and performance, and apply rigorous testing across unit, integration, end-to-end, and property-based methods.

Design and build Go services for Telnyx’s serverless platform, function deployment pipeline, global control plane, and edge infrastructure. Own backend APIs, resource lifecycles, workload deployment, asynchronous workflows, observability, and reliability. Work with Kubernetes, distributed systems, relational databases, and multi-region services. Improve developer experience through APIs, CLI tooling, and clear error handling, while participating in on-call and diagnosing production performance and reliability issues.

Designs and maintains embedded software development, testing, manufacturing, and deployment tools. Responsibilities include board bring-up, flashing, provisioning, diagnostics, hardware-in-the-loop testing, factory automation, simulation, observability, and cross-platform toolchain integration across embedded hardware. Collaborates with firmware, hardware, systems, test, and manufacturing teams to improve productivity, reliability, test coverage, and production workflows.

Verifies customer software by following technical build documentation, building applications across multiple programming languages and environments, diagnosing build issues, and performing feature testing. The role analyzes requirements and dependencies, validates functionality, communicates with clients and teammates, and improves verification processes. It requires familiarity with operating systems, backend and frontend technologies, databases, Git, APIs, and common build tools.

Design, develop, test, deploy, and maintain responsive front-end applications using JavaScript frameworks such as Angular and React. Analyze requirements, integrate APIs, implement accessible UI designs, troubleshoot defects, and optimize performance. Collaborate with product owners, backend engineers, QA, and global technology teams in an Agile environment. Participate in code reviews, CI/CD, documentation, security practices, and continuous improvement while contributing to engineering standards and technical innovation.

Build and maintain backend integrations with banks and fintech partners, shared infrastructure, APIs, and financial workflows. Own projects from technical design through production support, develop reusable components, ensure correctness and reliability, investigate distributed-service issues, participate in on-call rotations, and collaborate across engineering, product, and financial operations teams.

Own customer-facing products end to end, from customer discovery and technical direction through implementation, testing, deployment, and business impact. Design and operate high-load systems handling millions of requests and thousands of CPU cores, while building agent evaluations and guardrails. Help establish AI-native engineering practices across the company, collaborate with sales and operations, document decisions clearly, and contribute hands-on as an individual contributor in a remote EMEA-based team.

Design and implement robust Rust and C++ services and libraries for trading, payments, and cryptocurrency systems. Build scalable, low-latency distributed systems, network services, and asynchronous applications supporting revenue-critical infrastructure. Collaborate with product and engineering teams, debug across the operating system, network, and application layers, and take end-to-end ownership of reliable, secure, and high-performance systems.

Build and operate backend microservices and APIs for customer onboarding, identity verification, compliance, payments, and risk assessment. Collaborate with product teams, Salesforce experts, and regulatory technology vendors. Design reliable, scalable systems using event-driven architectures, cloud platforms, containerization, observability, and modern delivery practices while maintaining regulatory compliance and avoiding over-engineering.

Design, build, operate, and maintain scalable distributed systems supporting CrowdStrike’s Intelligence pipelines. Gather requirements from analysts, develop processing and data integration systems, make autonomous architecture decisions, maintain Go and Python codebases, deploy production services, document solutions, train users, and communicate technical details effectively. The role requires independent execution in a geographically distributed team and includes opportunities to work with cloud platforms, APIs, web interfaces, malware analysis, and AI technologies.

Develop and maintain CaseView content, JScript automation, and C#/.NET integrations for financial reporting software. Build scripts, document logic, REST API integrations, and data mappings; maintain XBRL/iXBRL tagging; debug complex dependencies; and create automated workflows. Collaborate with QA and product teams to deliver accurate reporting solutions supporting IFRS and local GAAP requirements.