Senior Fullstack Engineer

Future Connections

Huelva, Spain

8 days ago

Apply on www.buscojobs.com.es

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Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Experience required

4 years minimum

Working hours

Regular working hours

Languages

English

Job source

www.buscojobs.com.es

Tech stack

4G (Telecommunication) Application Programming Interfaces (APIs) Artificial Intelligence Amazon Web Services User Authentication Microsoft Azure Cloud Computing Software Quality Databases Data Structures Linux Distributed Systems

+30 more

HP Systems Insight Manager Python (Programming Language) NoSQL NumPy Software Engineering SQL Databases Systems Integration TypeScript Wireless Networks Workflow Management Systems Working Model 2D Data Logging Google Cloud Tailwind GitHub Copilot ReactJS Flask (Web Framework) Backend Fastapi Pandas Kubernetes Data Analytics Performance Monitor Apache Kafka Front End Software Development Restful APIs Dynatrace Api Management Docker Microservices

Job description

Anywhere within Spain, Spain

Posted on 10/08/2026Onthis occasion, we are looking for aSenior Full-Stack Engineerto joinour Network Intelligence area. As a Future Connections Developer, you will bepart of a multidisciplinary team of Telco engineers and software developers incharge of developing cross-platform applications for network optimisationautomation, performance monitoring and evaluation, data analytics andvisualisation using the latest data science techniques and software developmentbest practices.We’relooking for someone who genuinely embraces AI-assisted development as a corepart of how they work - using tools like Claude, GitHub Copilot or similar todesign, build and ship faster - while still applying solid engineeringjudgement to review, validate and take ownership of everything that goes intoproduction. This is not an entry-level profile: we need someone with realhands-on experience who knows when to trust the AI and when to take the wheel.As part of your role, you will…Back-EndDevelop in Python,using libraries such as FastAPI, Flask, Pandas, and NumPy.Work with SQL andNoSQL databases.Use efficientarchitectures based on microservices and distributed systems using Docker,Kubernetes, Kafka, Linux, and AWS.Front-EndDevelop moderncomponents using TypeScript and ReactJS.Implement responsiveand accessible interfaces with TailwindCSS.Across the stackUse AI-assisteddevelopment tools (such as Claude, GitHub Copilot or similar) to enhanceand accelerate code development, on both Back-End and Front-End.Youwill work in a collaborative, multivendor and multicustomer environment,contributing to projects for major wireless operators in Spain and acrossEurope. You’ll operate within virtualised and cloud-based infrastructures (AWS,Azure, GCP), and will have the freedom to propose new tools, frameworks ormethodologies to improve our applications. The position is based in Spain, andthanks to our flexible working model, you can choose whether you prefer to workfully remotely, in a hybrid format, or from the office.Requirements+4 years of experience in software developmentStrong experience inBack-End development withPython, especially using frameworks such asFastAPI and Flask, and libraries likePandas and NumPyStrong experiencedesigning and integrating REST APIs,with familiarity with API contracts, authentication and service-to-service communication.Experience developing distributed, event-driven applications using technologies such asKafka, asynchronous processing andmicroservice architectures.Proficient inTypeScriptwith experience developing Front-End applications usingReact.Experience workingwithSQL and NoSQL databases.Familiarity withcloud environments (e.g.,AWS, Azure, or GCP).Knowledge ofcontainerisation and orchestration tools such asDocker and Kubernetes.Solid, hands-onexperience using AI-assisted development toolsacross the full stack -able to prompt, review and validate AI-generated code with confidence.Familiarity with application monitoring, structured logging, metrics and distributed tracing in cloud-native environments.Experienceimplementing unit,integration, end-to-end and API contracttesting to ensure software quality and maintainability.English level B2or higher (spoken and written).Nice to haveFamiliarity with mobile network KPIs, alarms, OSS concepts and 4G/5G network data structures.Competitive salary, health insurance and Flexible Compensation Planas an enterprise benefitAnnual training budgetto help you stay technologically up to date and grow professionally.Time flexibility:our life is not just a working day; we give you flexibility both in entry and exit. In addition, we enjoy a reduced working day on Fridays and Summer (July and August)Our projects arecutting-edgein technology and are in both national and international environments, making your growth globalWe provide aflexible working model, adapted to the needs of each role and team, with options from remote to hybrid or office-based arrangements.Ouremployee satisfactionsurvey tells us that we have a great work environment and great professionals in the company. Do you want to check it? Join us!#J-*****-Ljbffr

Requirements

+4 years of experience in software development Strong experience inBack-End development with Python , especially using frameworks such asFastAPI and Flask, and libraries like Pandas and NumPy Strong experience designing and integrating REST APIs, with familiarity with API contracts, authentication and service-to-service communication. Experience developing distributed, event-driven applications using technologies such as Kafka , asynchronous processing and microservice architectures. Proficient in TypeScript with experience developing Front-End applications using React. Experience workingwith SQL and NoSQL databases . Familiarity withcloud environments (e.g., AWS, Azure, or GCP ). Knowledge ofcontainerisation and orchestration tools such as Docker and Kubernetes . Solid, hands-on experience using AI-assisted development tools across the full stack -able to prompt, review and validate AI-generated code with confidence. Familiarity with a pplication monitoring , structured logging, metrics and distributed tracing in cloud-native environments. Experience implementing unit , integration, end-to-end and API contract testing to ensure software quality and maintainability. English level B2 or higher (spoken and written). Nice to have Familiarity with mobile network KPIs, alarms, OSS concepts and 4G/5G network data structures.

Benefits & conditions

Competitive salary, health insurance and Flexible Compensation Plan as an enterprise benefit Annual training budget to help you stay technologically up to date and grow professionally. Time flexibility: our life is not just a working day; we give you flexibility both in entry and exit. In addition, we enjoy a reduced working day on Fridays and Summer (July and August) Our projects are cutting-edge in technology and are in both national and international environments, making your growth global We provide a flexible working mode l, adapted to the needs of each role and team, with options from remote to hybrid or office-based arrangements. Our employee satisfaction survey tells us that we have a great work environment and great professionals in the company. Do you want to check it? Join us! #J-*****-Ljbffr