Top Software Engineer Jobs in Barcelona

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

The role involves implementing and administering CPQ solutions, configuring pricing strategies, and integrating CRM platforms like Salesforce or Microsoft Dynamics with ERP systems.

As a Golang Developer, you'll enhance system performance, build backend features for the Sportsbook platform, and collaborate across teams on quality strategies and testing automation frameworks.

The Software Engineer will develop internal tools, automate processes, and design scalable APIs to enhance revenue operations efficiency.

The role involves designing and implementing services in Rust and TypeScript, integrating new blockchains, and maintaining high-volume systems. Responsibilities also include security design, collaboration with teams on blockchain needs, and contributing to internal tools and documentation.

As a Junior Software Engineer, you will join the backend team, focusing on code quality, participating in team planning, and developing production-grade Python code. You'll learn Fever's tech stack and contribute to system development and improvements, while mentoring peers after your initial months.

Review, rank, and improve AI-generated code to train LLMs: compare implementations, repair/refactor for correctness, efficiency, and style, and provide detailed feedback for RLHF pipelines. Work asynchronously as a remote contractor, injecting ratings, edits, and test results to improve model outputs.

Evaluate and improve AI-generated code: compare and rank snippets, repair and refactor for correctness, efficiency, and style, and inject detailed feedback and test results into the RLHF training pipeline as an asynchronous remote contributor.

Review, rank, and improve AI-generated code across languages, focusing on Ruby. Repair/refactor code, provide detailed written justifications, and inject ratings/edits/test results into the RLHF pipeline to help train models.

Evaluate, rank, repair, and refactor AI-generated code to improve correctness, efficiency, and style; provide detailed written feedback for RLHF pipelines; and help maintain the code-evaluation and training workflow remotely.

Review, rank, repair, and refactor AI-generated code to improve correctness, performance, and style. Provide detailed written feedback and edits for RLHF pipelines, converting expert judgments into signals used to train models. Work asynchronously as a remote 1099 contractor.

Design, build, and maintain backend services for mobile tracking SDKs. Define efficient REST APIs with mobile-focused optimizations, ensure high-throughput low-latency processing, collaborate with mobile and tracking teams, own monitoring/alerting and performance profiling, and maintain high code and test quality.

Own availability and performance of mission-critical services, improve scalability and observability, build platform tooling, practice sustainable incident response, participate in on-call rotation, collaborate with product teams, and follow FinOps best practices.

The Senior Fullstack Software Engineer will guide system architecture, mentor junior developers, and integrate AI tools in software development, ensuring quality and performance across projects.

The System Software Engineer will maintain and optimize software components in C, troubleshoot Slurm issues, and provide technical support while collaborating with various teams on performance and reliability.

The role involves designing and maintaining web applications using C# and Vue.js, mentoring junior developers, and collaborating with teams to deliver features.

As a Software Engineer in the FinTech Tribe, you will develop financial infrastructure, collaborate on software solutions, and innovate using various technologies.

The React Software Engineer will design and develop React components, collaborate with teams, implement best practices, leverage AWS, and drive innovation in software development.

As a Fullstack Software Engineer, you'll build complex healthcare systems focusing on user experience, claims management, payment infrastructure, and fraud prevention. You'll work collaboratively in a high-growth environment using technologies like TypeScript and Python.

You will design and implement backend services using Python or Kotlin, support cross-functional collaboration, and enhance system reliability in fraud prevention.

As a Software Engineer in the Identity team at Veriff, you will maintain and enhance the Verification Platform, focusing on design, security, and performance. You'll collaborate with various experts and contribute to automation services using Python.

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

As a Backend Software Engineer, you will develop scalable applications using Go, Elixir, or Ruby, while collaborating with teams on architecture and reliability improvements. You will mentor junior developers and ensure code quality through peer reviews and continuous delivery practices.

As a Fullstack Software Engineer at Alan, you'll design and build healthcare applications, streamline operations, mentor peers, and shape product decisions in a collaborative environment.

Develop features for the AI platform, create API endpoints, debug issues, perform code reviews, and maintain documentation, while working in a collaborative environment.