Top Tech Jobs & Startup Jobs

Design and deliver complex, enterprise-scale Salesforce solutions including Apex, LWC, Flows, and integrations. Lead architecture decisions, ensure code quality and org health, debug cross-layer issues, coordinate globally across engineering teams, and build scalable, compliance-aware data models and integration patterns.

Manage front desk operations including greeting guests, screening calls, booking and monitoring calendars, handling mail/packages, A/V setup, meeting hospitality, parking/badge coordination, supporting analysts with travel and expenses, and assisting Physical Security and EAs.

Design, extend and maintain a Python-based automated testing framework for cash equities trading platforms. Integrate with front-office systems, implement system/regression, regulatory and performance tests, support global QA teams, document usage, and collaborate with overseas colleagues to roll out features and priorities.

Design, enhance, and maintain Snowflake/AWS-based historical time series infrastructure for market risk. Build Python ETL/ELT pipelines and optimized SQL models, source and validate end-of-day market data, implement data-quality remediation (gap-filling, back-filling, anomaly correction), collaborate with Market Data and Risk teams to ensure auditable, reproducible risk inputs for VaR and regulatory use.

Support the lead analyst covering Integrated Oil & Gas: maintain and develop Excel-based financial models, forecast commodity prices, contribute thematic and stock-specific research, assist client marketing and corporate access, and support Investment Banking and Corporate Broking colleagues.

Provide hands-on technical configuration, integrations, data migration, troubleshooting, and support for Oracle HCM Cloud modules. Build OIC and REST/SOAP interfaces, create Fast Formulas, HCM Extracts, BI Publisher reports, perform data audits, and produce technical documentation and test artifacts.

Join Jefferies London M&A team supporting Greek-focused buy- and sell-side deals. Build financial models (DCF, comps, LBO), prepare pitchbooks and IMs, perform company/market research, assist due diligence, and coordinate stakeholders across cross-border transactions. Native Greek and strong English required.

Design, develop, and support high-performance swaps trading and post-trade systems focused on corporate actions processing. Implement trade capture, booking, validation, lifecycle events, settlements, reconciliations, and event-driven workflows. Collaborate with trading, operations, risk, finance, and technology teams, troubleshoot production issues, and contribute to architecture, code reviews, testing, and engineering best practices.

Lead design and implementation of scalable, low-latency equities trading systems. Hands-on Java development, provide technical guidance, enforce code quality, mentor engineers, collaborate with global stakeholders, and drive CI/CD, cloud, and DevOps practices to meet performance, reliability, and business requirements.

Lead design, development, and production deployment of a bond analytics library for fixed income and structured products. Oversee model development, validation, and risk measurement (VaR, sensitivities, stress testing), ensure regulatory compliance, architect scalable quantitative libraries, collaborate with business and regulatory stakeholders, and mentor junior team members.