Senior Staff Engineer
StoneX Group · Bangalore, IndiaOn-site · Senior
AI-Integrated Front-End Developer
Arsys Internet, S.L.U. · Barcelona, Spain+4 more Hybrid · Full-time
AI-Integrated Front-End Developer
arsys EN · Logroño, Spain+4 more Hybrid
AI-Integrated Front-End Developer
arsys EN · Alcobendas, Spain+5 more Hybrid · Full-time
DevTools Technical Sales (100 % remote) (m/f/d)
EWOR GmbH · Remote, Europe+1 more · Remote · Full-time · Senior
+10K new in the last hour
StoneX Group · Posted Nov 11, 2024
QA Engineer responsible for ensuring quality and stability of the Nexus Futures trading ecosystem.
Collaborate with developers, product managers, and other stakeholders to understand project requirements and ensure comprehensive test coverage Own test strategy, estimation, test planning and test execution for new features, enhancements, and production fixes Identify and prioritize test cases for automation, implementing existing test automation frameworks for backend side of trade system Test end-to-end trading flows across execution services, FIX gateways, exchange/broker connectivity and downstream processing Analyse server and application logs, system data to isolate defects, support root-cause analysis and provide clear evidence to Engineering Degree in Computer Science, Engineering or a related discipline, or equivalent relevant professional experience Nice to have: AI-assisted test generation Nice to have: intelligent test selection Nice to have: automated defect analysis Nice to have: synthetic test data generation Arsys Internet, S.L.U. · Posted Nov 6, 2026
Ownership of the JavaScript layer in EuroOffice, focusing on code architecture, performance, and utilizing AI as a core development method.
Barcelona, Catalonia, Spain Logroño, La Rioja, Spain Madrid, Madrid, Spain Seville, Andalusia, Spain Valencia, Valencian, Spain Write and review clean, well-architected JavaScript/TypeScript with sound state management arsys EN · Posted Nov 6, 2026
Own the JavaScript layer in EuroOffice, setting the bar for code architecture, loading and rendering performance, and deep bug investigation, while integrating AI into all workflows.
Logroño, La Rioja, Spain Madrid, Madrid, Spain Barcelona, Catalonia, Spain Seville, Andalusia, Spain Valencia, Spain Fixed salary and flexible benefits such as health insurance, daycare allowance, and meal vouchers.
arsys EN · Posted Nov 6, 2026
Own the JavaScript layer in EuroOffice, setting the bar for code architecture, loading and rendering performance, and deep bug investigation while integrating AI into all workflows.
Alcobendas, Madrid, Spain Logroño, La Rioja, Spain Madrid, Madrid, Spain Barcelona, Catalonia, Spain Seville, Andalusia, Spain EWOR GmbH · Posted Nov 6, 2026
Ambitious entrepreneurs looking to start and scale their own startups in the DevTools space, receiving mentorship, community support, and funding opportunities.
A salary while you build your startup as you will directly be employed by us. Alternatively, you can opt for up to €500k in funding.
Own, build, and run your startup in fields such as DevTools Embark on an extensive personal development journey crafted by unicorn founders Follow a fully customised programme enhancing your goal, time, and energy management Iterate product until reaching product-market-fit Build up a sales force or creating a marketing engine Nice to have: Technical Sales Nice to have: DevTools knowledge
Identify and fix performance bottlenecks (TTI, load time, unnecessary re-renders, bundle bloat) across DOM and Canvas surfaces
Continuously sharpen shipped features based on production usage patterns and real-world edge cases
Trace and resolve complex, non-obvious issues across large and partially undocumented codebases
Utilize AI across all workflows to accelerate implementation, analyze logs/traces, and maintain real-time documentation Nice to have: Canvas Nice to have: WebGL Fixed salary health insurance daycare allowance meal vouchers flexible working hours
Write and review clean, well-architected JavaScript/TypeScript Identify and fix performance bottlenecks across DOM and Canvas surfaces Sharpen shipped features based on production usage patterns Trace and resolve complex, non-obvious issues across large and partially undocumented codebases Utilize AI across all workflows to accelerate implementation, analyze logs/traces, and maintain real-time documentation Health insurance Daycare allowance Meal vouchers Flexible working hours Hybrid work option
Valencia, Spain
Fixed salary and flexible benefits such as health insurance, daycare allowance, and meal vouchers.
Write and review clean, well-architected JavaScript/TypeScript with sound state management Identify and fix performance bottlenecks across DOM and Canvas surfaces Continuously sharpen shipped features based on production usage patterns Trace and resolve complex, non-obvious issues across large and partially undocumented codebases Utilize AI across all workflows to accelerate implementation, analyze logs/traces, and maintain real-time documentation health insurance daycare allowance meal vouchers flexible working hours hybrid work in any of our offices
1:1 sparring with unicorn founders Access to the top 0.1% of founders, peers and investors Hiring support through network Distribution support Funding support for seed rounds
Senior Staff EngineerNewStoneX Group · Bangalore, India
AI-Integrated Front-End DeveloperArsys Internet, S.L.U. · Barcelona, Spain+4 more
AI-Integrated Front-End Developerarsys EN · Logroño, Spain+4 more
DevTools Technical Sales (100 % remote) (m/f/d)EWOR GmbH · Remote, Europe+1 more