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

Kats Recruitment

Estonia · Full-time · Not Applicable

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 (candidates who fail any one will be rejected)

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: Node.js, Java, C#, or Go
Strong frontend skills with React, Angular, or Vue.js
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

Ranked by relevance

containerization microservices restful apis postgresql terraform embedded angular graphql ansible docker react nosql cissp owasp java cisa nist cicd c

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