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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer - **Company:** Blackshark - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), Software Applications, Cascading Style Sheets (CSS), Computer Programming, Linux, Github, Python (Programming Language), MongoDB, Software Engineering, Web Applications, Scripting, ReactJS, Backend, Influxdb, Web Technologies, Front End Software Development, Restful APIs, Docker, Server Operating Systems & Platforms, Programming Languages - **Published:** September 13, 2026 - **Apply:** https://www.buscojobs.com.es/software-engineer-en-madrid-ID-371195812 ## About the Role Software engineer, computer engineer or similar. Demonstrable experience or personal projects. Knowledge in programming languages such as JavaScript and Python. Solid understanding of REST API design and implementation. Knowledge of web technologies, including HTML, CSS, and JavaScript frameworks like React. Experience with MongoDB and influxDB. Strong problem-solving skills and attention to detail. Ability to work collaboratively in a team environment while also being capable of working independently and taking initiative when necessary. Full professional proficiency in English. Preferably Experience with Linux, Docker, GitHub, and automation/deployment in server environments. Familiarity with IoT protocols and communication standards. Demonstrable interest in the space sector. Experience with personal or self-initiated development projects., Flexible working arrangements with a strong focus on work-life balance. ## Description About FOSSAAt FOSSA, we're redefining how the world connects.As a leading space engineering and telecommunications company, we specialize in developing and deploying space technologies that enable a new era of communications.With a team of over +50 talented professionals, we've already launched +25 satellites and are actively building a next-generation satellite constellation to deliver cost-effective, cutting-edge connectivity where it's needed most.With headquarters in Madrid and an R&D center in Lisbon, FOSSA is at the forefront of innovation in satellite manufacturing, operations, and IoT connectivity.Who are we looking for?We are actively looking for a software engineer or similar to support the activities at the Portugal office in Lisbon.At FOSSA we develop, manufacture and validate multitude of software applications.From tools to test or provision hardware to operational tools for control of satellite constellations, among others.You will participate in the different stages of the development cycle for IoT solutions, with a special focus on the user segment, ensuring efficient and scalable IoT applications that enhance connectivity and usability.ResponsibilitiesDesign and develop efficient, scalable, and user-friendly end-to-end solutions for both front-end and back-end systems.Develop web applications using JavaScript, React, and other relevant technologies.Design, implement, and maintain REST APIs.Program Python scripts for various tasks and functionalities.ProfileSoftware engineer, computer engineer or similar.Demonstrable experience or personal projects.Knowledge in programming languages such as JavaScript and Python.Solid understanding of REST API design and implementation.Knowledge of web technologies, including HTML, CSS, and JavaScript frameworks like React.Experience with MongoDB and influxDB.Strong problem-solving skills and attention to detail.Ability to work collaboratively in a team environment while also being capable of working independently and taking initiative when necessary.Full professional proficiency in English.PreferablyExperience with Linux, Docker, GitHub, and automation/deployment in server environments.Familiarity with IoT protocols and communication standards.Demonstrable interest in the space sector.Experience with personal or self-initiated development projects.Why FOSSA?Be part of a pioneering company transforming the satellite IoT connectivity landscape.Work with cutting-edge technology in a fast-paced, innovative environment.Flexible working arrangements with a strong focus on work-life balance.FOSSA is a fast growing, revolutionary and dynamic company that works every day to find the latest technology on the market and make wonderful and functional things with it.We trust each and every one of our employees and give them the space to contribute ideas, to grow, to investigate, to try and learn from their mistakes.We are a company that believes in equal opportunities, all applications will be considered and no discrimination for any reason will be tolerated.Location: Lisbon, metropolitan areaHybrid WorkFull Time#J-*****-Ljbffr ## Related Videos - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Coffee with Developers](https://www.wearedevelopers.com/videos/354-coffee-with-developers) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Docker build without Docker](https://www.wearedevelopers.com/videos/100114-docker-build-without-docker) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard)