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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer - **Company:** Fadata Group - **Location:** Barcelona, Spain (Remote available) - **Salary:** €50,000.0 - €80,000.0 - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Application Programming Interfaces (APIs), Border Gateway Protocol, C++ (Programming Language), Cloud Computing, Program Optimization, Software Quality, Code Review, Computer Networks, Continuous Integration, Data as a Services, Relational Databases, Linux, DevOps, Distributed Systems, Peering, Software Architecture, Shell Script, Software Systems, SQL Databases, TCP/IP, Google Cloud, Amazon Virtual Private Cloud (VPC), Backend, Kubernetes, Infrastructure Automation Frameworks, Low Latency, Performance Monitor, Stream Processing, Microservices - **Published:** August 8, 2026 - **Apply:** https://www.adzuna.es/contact-us.html ## About the Role The ideal candidate is an experienced software engineer with strong backend development skills, a deep understanding of distributed systems, and a passion for building reliable technology at scale. You should be comfortable working on complex infrastructure challenges and have experience leading technical initiatives. + 4+ years of experience building and operating large-scale software systems. + Strong experience with compiled programming languages such as Go, C, C++, Rust, or similar technologies. + Experience with SQL and relational databases. + Solid understanding of networking concepts, including TCP/IP and UDP. + Proficiency with Linux/BSD environments and shell scripting. + Experience designing and leading medium-scale technical projects involving multiple teams. + Hands-on experience with Kubernetes or other workload orchestration platforms. + Experience working with major cloud platforms, especially Google Cloud environments. + Strong understanding of software architecture, scalability, and distributed systems. + Passion for financial markets and interest in building technology for the financial industry. + Ability to collaborate effectively in a remote, global engineering environment. Nice-to-have qualifications include: + Experience working with market data platforms or financial technology systems. + Knowledge of microservice architectures and clean code principles. + Experience with DevOps practices, CI/CD pipelines, and infrastructure automation. + Familiarity with cloud networking concepts such as BGP and VPC peering. + Experience building low-latency applications and distributed key-value storage systems. + Knowledge of observability, tracing, continuous profiling, and performance monitoring. + Experience with capacity planning, benchmarking, and Agile/Scrum methodologies. ## Description This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Software Engineer - Market Data based in Spain. This role offers the opportunity to build and scale high-performance systems that power modern financial markets. You will contribute to the architecture and evolution of market data platforms supporting millions of users worldwide. The position focuses on designing resilient, low-latency backend services and developer-first APIs for financial data products. You will work on complex engineering challenges involving distributed systems, cloud infrastructure, and real-time data processing. As part of a globally distributed engineering environment, you will collaborate with experienced developers, traders, and financial technology specialists. This is an opportunity to influence critical systems, improve scalability, and shape the future of accessible financial infrastructure. Accountabilities: In this role, you will design, develop, and maintain the core systems that support market data products, ensuring reliability, scalability, and exceptional performance. You will contribute to architectural decisions, solve complex technical challenges, and collaborate across engineering teams to deliver robust solutions. + Influence the overall architecture and evolution of market data systems, including streaming and historical data services. + Design and implement highly scalable, mission-critical backend systems with a focus on performance and reliability. + Build and maintain backend services, APIs, and infrastructure components that support financial data products. + Optimize systems for low latency and high throughput, focusing on performance improvements at every level. + Ensure strong software quality through testing, code reviews, documentation, and engineering best practices. + Troubleshoot production incidents, investigate bugs, and contribute to continuous system improvements. + Participate in on-call rotations when required to support critical engineering initiatives. + Collaborate with cross-functional teams to deliver scalable solutions aligned with business and customer needs. ## Related Videos - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Your next 10x engineer isn't in your city. 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