Senior Software Engineer – Trading, Liquidity

Quidax

Senior Software Engineer building and operating Java services for trading and liquidity at Quidax. Involves critical backend systems and working with financial markets.

Posted 8/1/2026full-timeRemote • 🇳🇬 NigeriaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building and operating scalable Java backend systems, with a strong focus on trading and liquidity management. Proven ability to mentor engineers and enhance engineering practices while ensuring financial correctness and system reliability.

Highest-signal resume keywords

Java Backend DevelopmentSpring Boot FrameworkDistributed Systems ArchitectureTrading & Liquidity KnowledgeProduction System Ownership

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

JavaSpring EcosystemDatabasesDistributed SystemsCloud & DevOpsSecurityOrder ManagementExecution Quality ImprovementMarket Data ManagementFinancial Calculations

Soft Skills

Mentoring EngineersCollaborationRoot Cause Analysis

Industry Keywords

TradingCryptoExchangesCapital MarketsPaymentsTransaction-Heavy EnvironmentsOrder BooksMatching EnginesMarket Data FeedsRisk Controls

Tech Stack

Tools & technologies

CloudDistributed SystemsJavaMicroservicesSpringSpring BootSpringBoot

About the role

Key responsibilities & impact

Build & Own Critical Trading Services
Design, build, deploy, and operate scalable Java services powering trading, pricing, execution, and liquidity
Own critical backend services end to end, from architecture and implementation to production support and continuous improvement
Build systems that remain reliable under heavy traffic, partial failures, and changing market conditions
Develop and improve order management, execution, pricing, market data, and liquidity management capabilities
Build and maintain integrations with exchanges, liquidity providers, custodians, payment providers, and other external platforms
Improve execution quality through better pricing accuracy, spreads, fill rates, liquidity availability, and reduced slippage
Design reliable order lifecycles covering validation, routing, execution, settlement, reconciliation, cancellations, retries, and recovery
Ensure financial correctness across balances, positions, fees, and settlements through precision, idempotency, consistency, and auditability
Build distributed systems that behave correctly under concurrency, retries, duplicate events, and eventual consistency
Continuously improve system performance, resilience, observability, throughput, and operational readiness
Investigate production incidents, perform root cause analysis, and implement preventive improvements
Participate in architecture and technical design decisions across the Trading & Liquidity squad
Review code, mentor engineers, and help raise engineering standards across the team
Collaborate closely with Product, Platform, QA, Security, Compliance, Risk, Finance, and Operations to deliver reliable financial systems

Requirements

What you’ll need

5+ years of professional backend software engineering experience
Strong commercial experience building Java backend systems
Proven experience with Spring Boot and the wider Spring ecosystem
Experience owning production systems from design through operation
Experience building distributed systems, microservices, or event-driven architectures
Experience working in trading, crypto, exchanges, capital markets, payments, or other transaction-heavy financial environments
Experience mentoring engineers and improving engineering practices
Technical Skills: Java, Spring Ecosystem, Databases, Distributed Systems, Cloud & DevOps, Security
Trading & Liquidity Knowledge: Order books and matching engines, Market, limit, and stop orders, Bid/ask pricing, spreads, liquidity, and slippage, Order routing and execution, Market data and pricing feeds, Settlement, reconciliation, balances, and positions, Decimal precision and financial calculations, Risk controls and abnormal market behaviour

Benefits

Comp & perks

Fair Pay + Ownership
Competitive salary based on your skills and experience; annual merit-based reviews to keep your growth visible and rewarded
Growth That’s Real
Annual performance reviews + clear promotion cycles; recognition for great work, from shoutouts to milestone rewards
Personal development fund (courses, books, conferences); study leave so you can keep learning
Work That Works For You
Fully remote forever + flexible working hours
Time Off That Respects Life
Unlimited paid time off + Nigerian national holidays
Parental, sick, compassionate, and life event leave; we show up for you
Connection That Feels Real
Quarterly remote team hangouts + annual offsite; interest-based communities (SIGs)
Regular engagement surveys; your voice matters
Health & life coverage in select locations