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About the Role

Trenchant is seeking a highly motivated and experienced Full-Stack Software Engineer with deep expertise across a range of technologies. This role requires a unique blend of technical acumen, leadership abilities, and the discipline to deliver high-quality software under tight deadlines. We are a small team that achieves world-changing results and is driven to provide unparalleled cyber capability by utilising technical prowess, innovation and our commitment to a noble mission.

Responsibilities

Participate in all phases of the software development lifecycle (SDLC), from requirements gathering and design to testing, deployment, maintenance, and documentation.
Collaborate within globally distributed, cross-functional Agile teams, engaging closely with product managers, team members, and stakeholders.
Diagnose, troubleshoot, and resolve software defects and performance issues across the technology stack.
Ensure all code is well-tested using unit, integration, and system-level testing methodologies.
Stay current with the latest software development trends, industry best practices, and cybersecurity protocols.
Contribute to improving development processes, best practices, and team knowledge through code reviews and process enhancement discussions.
Document technical solutions and prepare end user manuals as required.
Design, develop, and maintain secure, scalable, and maintainable codebases using C# .NET, Python, and Angular.
Architect, build, and optimize backend services, APIs, and robust interfaces for API interactions, SDKs, and client-facing features.
Develop and maintain web user interfaces using Angular, focusing on usability, performance, and security.
Administer and optimize PostgreSQL databases, including schema design, query optimization, and data migration.
Engage in self-directed research to innovate and implement new product features aligned with industry standards.
Participate in technical design discussions, code reviews, and continuous integration/delivery processes.

Requirements

Bachelor’s degree in Computer Science, Software Engineering, or a related field—or demonstrated equivalent practical experience.
Proven experience as a Full-Stack Software Engineer with a comprehensive project portfolio.
Strong grasp of object-oriented programming principles, design patterns, and large distributed system architecture.
Proficient in C#/.NET (5+), cross-platform development (Linux/Windows/MacOS), and relational databases (PostgreSQL).
Hands-on experience with unit/integration testing, comprehensive documentation, API design and development.
Familiarity with Python; TypeScript/JavaScript (especially Angular or similar frameworks); and performance/memory analysis tools.
Comfortable with Source Control and CI/CD systems.
Experience working in Agile environments (Scrum/Kanban) and with inter-process communication (e.g., TCP, SSL, RabbitMQ).
Excellent analytical, problem-solving, and communication skills.
Ability and eligibility to obtain and maintain a National Security clearance.
Background or strong understanding in UI/UX design and principles.
Exposure to or hands-on experience with DevOps practices and toolchains.
Familiarity with cybersecurity principles and secure coding best practices.
Experience with event-driven frameworks (e.g., gRPC, SignalR) and containerization (Docker, Kubernetes).
Knowledge of mobile application development for Android/iOS.
Ability to read, interoperate, and understand lower-level code in C or C++.
Experience working in distributed, secure, or high-availability system environments.

Skills

C# .NET
Python
Angular
PostgreSQL
TypeScript
JavaScript
Source Control
CI/CD
Agile
Scrum
Kanban
TCP
SSL
RabbitMQ
UI/UX design
DevOps
gRPC
SignalR
Docker
Kubernetes
Android
iOS
C
C++

Location

Sydney
Canberra

Work Type

Full-time

Experience Level

Senior

Education Level

Bachelor’s degree in Computer Science, Software Engineering, or a related field

About the Company

Working at Trenchant means working alongside the best security researchers and product engineers from across the security research and intelligence communities.
You will be engaged on the most challenging problems in the toughest environments and delivering solutions supporting the cutting edge of cyber security research.