Remote Software Development Jobs in Bulgaria (1,688)

Senior Blockchain Engineer 1200 applicants

Software Engineer - Storage

You will be responsible for scaling the storage service, optimizing asset delivery, and improving the performance and reliability of the platform. Additionally, you will work across the stack to enhance APIs, client libraries, and CLI tools to provide an exceptional developer experience.

Data API Engineer

You will work on the PostgREST PostgreSQL driver to improve performance and resolve bottlenecks while developing new features for a multitenant Data API. Additionally, you will collaborate cross-functionally to debug integration issues and resolve escalated support incidents.

Senior Agentic AI Engineer

Design, develop, and deploy autonomous AI agents and multi-agent systems to drive intelligent decision-making and workflow automation. Collaborate with cross-functional teams to architect scalable agentic platforms and implement robust monitoring and safety guardrails.

Fullstack-Developer (100% Remote)

You will build and refine full-stack features for a property management platform while managing data integrations and AI-agent workflows. The role involves owning new features from conception to deployment using AI-assisted development tools.

Senior Backend-Developer – Agents (100% Remote)

You will develop and maintain autonomous agents for property management tasks, including inbox management, voice-based interactions, and knowledge base integration. Additionally, you will optimize LLM infrastructure, manage context, and improve retrieval-augmented generation processes.

Software-Architect / System-Designer (100% Remote)

You will own the system design, including data modeling, state management, and component interaction to ensure reliability under load. You will also design the data layer, queues, and background workflows while contributing to the overall product architecture and AI-first development strategy.

Machine Learning Wildfire Scientist

You will own the fire behavior modeling effort, from initial integration to developing new methods for aerial thermal observations. You will collaborate with a small team of engineers to build automated production pipelines and define compute requirements for model training and inference.

Full-Stack Software Engineer

Build and maintain end-to-end features across the frontend and backend using React, Node.js, and TypeScript. Manage e-commerce business modules, integrate microservices, and ensure system observability and quality through testing and CI/CD pipelines.

1182 - Junior Frontend Developer (Part-Time)

Develop new user-facing features and customize pre-built templates for web applications using PHP, HTML, CSS, and JavaScript. Support customers with inquiries and ensure maximum performance across various devices and browsers.

Microsoft Azure AD B2C Engineer

The role involves leading the technical delivery of customer identity and modernization projects, including the design and implementation of Azure AD B2C solutions. The engineer will act as a trusted advisor to clients, managing technical execution and aligning project milestones with business outcomes.

11091 - IoT Engineer - Pleno

Develop and maintain firmware and software for IoT gateways using C++ while ensuring reliable data transmission. Integrate devices with the FIWARE platform and manage device provisioning, monitoring, and connectivity diagnostics.

11090 - AI Engineer Pleno | AI Automation - Sênior

Develop AI agents and automation workflows using LLMs, LangChain, and LangGraph. Implement RAG pipelines and integrate AI solutions with internal systems, APIs, and databases.

11089 - Engenheiro(a) de Dados | Google Cloud (GCP) - Sênior

Design and implement scalable data ingestion, transformation, and orchestration pipelines within the Google Cloud environment. Ensure the quality, reliability, and cost-optimization of batch and streaming data flows while collaborating with data scientists and analysts.

Software Engineer 2906

The role involves overseeing complex systems analysis, design, and development while leading project tasks and coordinating with business units. The incumbent will also monitor staff performance, ensure adherence to risk and regulatory standards, and provide analytical consulting to meet strategic objectives.

.NET Tech Lead / Senior .NET Developer

The role involves leading the development, maintenance, and enhancement of the DMC application while providing technical guidance to the team. Responsibilities include designing backend business logic, managing SQL database operations, and coordinating with cross-functional teams to resolve production issues.

Lead QA Engineer

You will build and refactor critical Playwright automation suites while establishing quality standards and patterns across multiple squads. Additionally, you will act as a technical advisor to mentor engineers and resolve complex CI/CD and test environment bottlenecks.

DevOps Engineer, Edge and Developer Experience (Remote Eligible in Bulgaria)

The DevOps Engineer will maintain and extend the high-performance edge proxy platform and manage multi-region AWS EKS infrastructure using Terraform. Additionally, the role involves driving internal developer experience initiatives, managing CI/CD pipelines, and ensuring system observability.

Data Engineer - Databricks and Banking Solutions - Tieto Tech Consulting (m/f/d)

Develop and maintain scalable ETL/ELT pipelines using Databricks, Spark, and SQL to support financial and regulatory reporting. Collaborate with architects and stakeholders to implement data quality, monitoring, and performance optimization for modern data platforms.

Senior QA Engineer

Design, implement, and maintain automated UI, API, and integration tests using Playwright and AI-assisted tools. Partner with engineering and product teams to ensure high-quality releases through effective regression testing and CI/CD pipeline management.

SAP FI/CO Project Lead – SAP ECC Integration

Lead the SAP ECC FI/CO workstream for subsidiary integration, including the design and implementation of parallel accounting and dual-ledger reporting. Manage data migration, testing, cutover activities, and post-go-live hypercare while ensuring financial data integrity and SOX compliance.

Quality Engineer - Mid-Level

The Quality Engineer will conduct functional testing, develop test cases, and manage defects to ensure software reliability. They will also collaborate with cross-functional teams and contribute to the improvement of testing processes and methodologies.

Senior Infrastructure and Operations Engineer I

The engineer will design, implement, and maintain global infrastructure systems including servers, networks, and storage. They are responsible for ensuring regulatory compliance, troubleshooting performance issues, and leading systems deployment projects.

MLOps Engineer

You will own the machine learning platform infrastructure, including Vertex AI, Kubeflow Pipelines, and GKE-based training and serving environments. Additionally, you will build self-service workflows and CI/CD pipelines to enable data scientists to deploy models efficiently while ensuring reliability and security.

Senior QA Engineer

The Senior QA Engineer will analyze existing manual test scripts in OpenText Octane and convert them into robust, maintainable Playwright automation scripts. They will also integrate these automated tests into CI/CD pipelines and collaborate with cross-functional teams to ensure high-quality software delivery.

Firewall Engineer

The Firewall Engineer will manage and optimize enterprise firewall environments while supporting network segmentation and infrastructure modernization. Responsibilities include defining firewall policies, troubleshooting routing and authentication issues, and performing log analysis and performance monitoring.

AI Engineer

Develop and validate statistical programming code to support clinical trial data analysis and reporting. Collaborate with data scientists and statisticians to ensure data requirements and regulatory standards are met.

Sr C# Developer (AI Exp)

The role involves C#/.NET API development and gap analysis on an enterprise data platform. The developer will eventually transition to building GenAI solutions using LLM integration and orchestration frameworks.

EMEA I Analytics Engineer

Analytics Engineers transform large datasets into automated, insightful BI solutions for clients. You will work directly with project teams to deliver high-impact analytics and scalable data models.

Data Engineer - Tieto Tech Consulting (m/f/d)

You will design and implement scalable data platforms, ETL/ELT pipelines, and analytics solutions to support data-driven decision-making. The role involves collaborating with architects and stakeholders in an Agile environment to modernize data infrastructure and integrate enterprise systems.