Fullstack Developer Long-Term Contract, Remote

Kats Recruitment; Madrid; A distancia; EUR 60.000 - 100.000; Jornada completa

Descripción de la vacante

A recruitment agency is seeking a Fullstack Developer for a long-term remote contract focusing on designing and maintaining secure applications. Ideal candidates will have significant experience in security/compliance and demonstrated full-stack expertise. This role offers competitive compensation and a chance to work on impactful projects in a high-security environment.

Servicios

Competitive contract compensation

Fully remote working

Long-term stable engagement

Opportunity to work on high-impact secure systems

Professional environment with clear expectations and standards

Formación

• Minimum 5 years in security, defense, government contracts or regulated environments.
• Proven experience with NATO/defense/security frameworks.
• At least 3 years hands-on experience with backend and frontend systems.

Responsabilidades

• Build, test, deploy and maintain full-stack software that meets NATO / BQA requirements.
• Perform peer code reviews and enforce best practices.
• Diagnose, troubleshoot and resolve performance and reliability issues.

Conocimientos

Security / Compliance / Defense Domain Experience

Full-Stack Technical Expertise

DevOps & Infrastructure Skills

Architectural & Design Capability

Excellent English communication (written verbal)

Herramientas

Java

C#

Go

React

Angular

Docker

Kubernetes

Terraform

Ansible

Descripción del empleo

Overview

Fullstack Developer (BQA / NATO) Long-Term Contract Remote (Europe)

Role Overview

You will be responsible for designing building and maintaining robust full-stack applications in a high security environment. You will interface directly with stakeholders in BQA / NATO projects ensure compliance with strict standards conduct code reviews and contribute to the architecture and roadmap.

Key Responsibilities

• Build, test, deploy and maintain full-stack software that meets NATO / BQA requirements
• Translate security and compliance requirements into code-level solutions
• Perform peer code reviews and enforce best practices
• Diagnose, troubleshoot and resolve performance, reliability and scalability issues
• Contribute to architectural decisions and system design
• Liaise with clients, stakeholders and security auditors
• Write clear technical documentation

Mandatory Requirements

• Security / Compliance / Defense Domain Experience
• Minimum 5 years in roles involving security, defense, government contracts or regulated environments
• Proven experience working in or with NATO / defense / security frameworks
• Full-Stack Technical Expertise
• At least 3 years hands-on experience building and maintaining both backend and frontend systems
• Strong backend skills in one or more: Java, C# or Go
• Strong frontend skills with React, Angular or similar
• Proficient in RESTful APIs, GraphQL, WebSockets etc.
• Deep understanding of relational (e.g. PostgreSQL) and NoSQL databases
• DevOps & Infrastructure Skills
• Experience with CI / CD pipelines, automated testing, containerization (Docker, Kubernetes)
• Infrastructure as Code tools (Terraform, Ansible etc.)
• Security Cryptography & Hardening
• Hands-on knowledge of encryption, key management, secure coding practices
• Experience with threat modeling, OWASP, secure authentication & authorization
• Familiarity with auditing compliance (e.g. ISO 27001, NIST etc.)
• Architectural & Design Capability
• Ability to make architectural decisions for large systems under security constraints
• Experience in microservices, event-driven systems or distributed systems
• Soft Skills & Process Discipline
• Excellent English communication (written verbal)
• Strong documentation skills
• Ability to operate in structured environments (requirement tracking, code reviews, QA audits)
• Self-discipline, attention to detail, accountability

Logistics & Eligibility

• Residency in Europe (EU or permissible location)
• Authorized to work remotely under contract
• Able and willing to undergo background / security checks

Preferred (But Not Mandatory)

• Experience specifically in NATO or BQA contracts
• Knowledge of domain-specific protocols or standards used in defense
• Certifications in security (CISSP, CISA etc.)
• Experience with real-time systems, embedded systems

What We Offer

• Competitive contract compensation
• Fully remote working (Europe)
• Long-term stable engagement
• Opportunity to work on high-impact secure systems
• Professional environment with clear expectations and standards

Application Instructions

To be considered please submit :

• Your CV / resume clearly highlighting relevant security / defense / government / regulated environment experience
• A cover letter addressing each of the mandatory requirements and explaining how you meet them
• Links to or descriptions of past projects in security / regulated contexts
• References or contacts from past contracts (if permissible)

Note : Applicants who do not clearly demonstrate strong match for all mandatory requirements will not be considered. We respect your time; apply only if you fully qualify.

Key Skills

IVR, SOAP, Avaya, Solaris, Cost Accounting Standards, Database Design, Hibernate, ITIL, Weblogic, Express.js, Contracts, ASP

Employment Type : Full Time

Experience : years

Vacancy : 1