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Base pay range
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Senior Principal Consultant (Contract/Freelance) - Defence Industry
We are looking for Software Engineers with a strong foundation in API development and C# to join our data engineering team in a highly regulated industry. In this role, you’ll be instrumental in designing and building scalable, secure software systems that support seamless data movement between internal systems, third-party platforms, and cloud services.
Your core focus will be developing and maintaining APIs and backend services that enable data ingestion, transformation, and delivery across our enterprise architecture. You’ll collaborate with cross functional teams to ensure data is available where and when it’s needed—reliably, efficiently, and in compliance with strict regulatory standards.
We’re seeking candidates with over 5 years of relevant experience, a solid understanding of software system design, and a strong command of C# and modern API development patterns.
A background in working with data systems, cloud integrations, and secure, large-scale applications will be highly advantageous.
Core Responsibilities
* Design, develop, and maintain scalable APIs and backend services to facilitate data flow between systems.
* Collaborate with data engineers, architects, and security teams to ensure secure, reliable, and performant data exchange.
* Work across cloud and on-premises environments to support a hybrid infrastructure.
* Build reusable and modular components with a focus on maintainability and performance.
* Implement robust error handling, logging, and monitoring strategies for production-grade services.
* Ensure compliance with data protection, privacy regulations, and internal governance policies.
* Contribute to technical designs, architectural decisions, and system documentation.
* Stay current with best practices and emerging technologies in software engineering and data systems.
Knowledge
Along with over 5 years of relevant experience, we are looking for a candidate with the following set of technical and soft skills, as both are essential to perform in this role.
* Strong experience with C# and .NET frameworks.
* Solid understanding of data structures, algorithms, and programming principles.
* Exposure to working in data-centric environments, supporting ETL/ELT pipelines or data processing services.
* Familiarity with SQL and NoSQL databases.
* Understanding of data privacy and security concepts.
Ways of Working
* Comfortable working in Agile/Scrum environments, participating in sprint planning, stand-ups, and retrospectives.
* Experience using Agile collaboration tools (e.g., Jira, Azure DevOps, Confluence).
Soft Skills
Analytical Thinking & Problem-Solving
* Strong analytical skills with a structured, logical approach to diagnosing and resolving issues.
* Detail-oriented with a mindset geared toward continuous improvement.
* Able to prioritize and manage multiple projects simultaneously in a dynamic environment.
Technical Skills
API Development
* Proven experience designing and building RESTful APIs and services at scale.
* Experience with authentication, authorization, and secure API communication (OAuth2, JWT, etc.).
* Familiarity with API gateways, microservice architecture, and asynchronous messaging patterns (e.g., queues, event buses).
System Design
* Ability to design and implement scalable software systems.
* Familiarity with distributed system patterns and architectural trade-offs.
* Experience with performance tuning and troubleshooting in complex environments.
Tooling & Infrastructure
* Experience with CI/CD pipelines, containerization (Docker/Kubernetes), and version control systems (e.g., Git).
Communication
* Ability to clearly articulate complex technical topics to non-technical stakeholders.
* Strong documentation habits and a commitment to knowledge sharing.
* Excellent verbal and written communication skills.
Collaboration & Relationship Management
* Proven success working in cross-functional teams with product, security, compliance, and data professionals.
* Builds strong relationships, manages conflicts constructively, and drives consensus where needed.
* Able to adapt to diverse working styles and team dynamics.
Seniority level
Mid-Senior level
Employment type
Contract
Job function
Information Technology
Industries
Defense and Space Manufacturing
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