Role Description We're looking for a Technical Lead (C#/.NET) to take architectural and technical ownership of the core trading systems behind EMCD's crypto exchange. This role sits at the center of the platform: matching engine, risk management, spot trading, and derivatives. It's a position for someone who understands that every microsecond, every edge case in order handling, and every liquidation scenario directly affects the product. - Own the matching engine and order lifecycle: limit, market, stop, post-only, IOC, FOK, self-trade prevention, partial fills - Develop and improve the risk engine for derivatives: cross/isolated margin, PnL and funding calculations, liquidation flows, ADL, insurance fund logic - Define and evolve the consistency and persistence model of the trading core: event sourcing, trade journal, snapshots, replay, crash recovery without order loss - Design reliable interaction patterns between the trading core and surrounding systems: gateways, custody, market data streams, clearing services - Set and monitor latency and throughput targets, and build the tooling to measure them: benchmarks, load environments, profiling under production-like traffic Qualifications - 7+ years of commercial experience with C# / .NET, including at least 2–3 years as a Tech Lead or Architect - Hands-on production experience with matching engine and at least one of the following: exchange gateway, risk engine, or market data feed - Proven experience building low-latency, high-throughput systems - Direct experience working on a centralized crypto exchange (CEX) with real order flow and real money - Deep understanding of trading primitives: order types, margin trading, perpetual futures, funding rate, liquidations, ADL, maker/taker logic, fee tiers - Strong knowledge of distributed systems: consistency, idempotency, exactly-once semantics, queues/streams (Kafka, NATS, or similar), replicated state, fault tolerance - Experience writing and maintaining architecture documentation (ADR, design docs) - Experience leading teams: hiring, 1:1s, incident review, development and release processes Requirements - Nice to have: Experience with DEX infrastructure or hybrid exchange models (CEX + on-chain settlement) - Understanding of regulatory requirements relevant to exchanges: KYC/AML, market surveillance, best execution Benefits - Fully remote work from anywhere in the world - Flexible working hours focused on results - 28 calendar days of vacation + 12 additional bonus days - Paid sick leave with no bureaucracy - Compensation for courses, certifications, and training programs - Real ownership of one of the most critical parts of the exchange infrastructure

Role Description The Sr. Systems Integration Engineer is part of the engineering team that develops marine navigation and bridge systems for OSI’s government and naval markets. The Sr. Systems Integration Engineer plays a critical role in the development of the overall system requirements’ design and definition for OSI’s complex products. The Sr. Systems Integration Engineer will execute various system engineering functions throughout the life cycle of the project. The incumbent has experience in working with various organizations and system components (software engineering, hardware engineering, integration and test, production, manufacturing and logistics) and can take on the technical lead of a project. Responsibilities - Develops integration and test concepts, and generates technical proposal material in response to Request for Quotation (RFQ) in these areas; - Selects, prototypes, evaluates, and recommends hardware and software for addressing component-level and system-level integration and test problems; - Supports the project teams in maintaining the physical condition of the OSI integration and laboratory test facilities, by planning and implementing new design layouts; inspecting & maintaining equipment; raising repairs and requisitions for replacement; - Authors/Reviews System Integration and Test Plans, Procedures and Reports; - Author/Review artifacts with significant integration impact, particularly Interface Control Documents, Installation Guidance Documents, and artifacts surrounding the verification of supplier specifications; - Authors/Reviews System Integration and test specific Systems Engineering Process, under supervision of the Systems Engineering Process Authority; - Contributes to internal design reviews, particularly Preliminary Design Reviews, Critical Design Reviews, including: - Reviews existing and upcoming designs for potential operational vulnerabilities and problems; - Reviews existing and upcoming designs for potential violations of design-for-test and design-for-supportability; - Attends/Leads internal readiness reviews, particularly Production Readiness Reviews, Integration Readiness Reviews and Test Readiness Reviews; - Attends/Leads customer acceptance events, particularly Factory Acceptance, Setting to Work, Harbour Acceptance and Sea Trials Acceptance Events; - Develops and recommends corrective actions for system problem reports; - Supervises/Executes validation of technical publications as it pertains to the build of the system; - Trains/Supports Service Engineers and Technicians to facilitate follow on builds from first article; - Manages scope of work, schedules work, estimates effort and costs, and identifies technical risks; effectively communicates status on a regular basis to management; - Works in both a team environment and independently with minimum supervision. Qualifications - Degree in Engineering or Physics, Engineering or related field or equivalent experience; eligible for registration as a Professional Engineer in Canada an asset - 5 years’ engineering experience, Minimum 3 years’ experience in Systems Engineering; Experience in marine electronics and integrated bridge systems a significant asset; experience in defense or government domain preferably in naval ship sector a significant asset - Proven track record in the timely delivery of engineering related projects; Strong knowledge of marine navigation and tactical sensors or systems; Excellent knowledge of Systems Engineering principles, standards and best practices; Working experience in network design and architecture; Excellent communication and interpersonal skills; Familiarity with requirements and verification management tools such as DOORS; Knowledge of safety engineering and human factors engineering is an asset. - Eligible to obtain and maintain a location relevant security clearance Benefits - Collaborative Culture: Work with a talented and supportive team that values innovation and teamwork. - Diversity, Equity, and Inclusion: OSI is committed to fostering a workplace where everyone feels respected, valued, and empowered to contribute their best. - Growth Opportunities: We invest in our employees' professional development and career growth with an annual employee driven development program. - Competitive Benefits: Enjoy health, dental, RSP, vacation and a healthy work-life balance environment!

Gather and manage project requirements, define system architecture, provide technical leadership, and ensure compliance with engineering standards. Collaborate across teams to resolve technical challenges and drive project execution.

• Design, build, and deliver operational and workflow reports using CreditLens • Develop reports supporting key processes including loan events, covenant tracking, and lifecycle monitoring • Produce team workflow and pipeline reports across all stages of the credit lifecycle • Partner with business stakeholders to translate requirements into effective reporting solutions • Ensure data accuracy, consistency, and reconciliation across reports • Troubleshoot issues and optimize report performance