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mTrip
21 views 2 days ago

Full-Stack Developer (Rails / Vue)

New North America
Canada
Montréal

Full-stack developer at mTrip, a travel-tech SaaS for travel agencies, tour operators and business-travel management companies. You build end-to-end features (itinerary tools, real-time flight alerts, JSON APIs) in Ruby on Rails and Vue.js, optimize MySQL performance, write RSpec tests, upgrade the stack and debug production via Sentry.

Android Anthropic API AWS CloudFront +24 skills
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QFEX Backed by Y Combinator
64 views 2 days ago

Backend Engineer

New UKFull-time
United Kingdom
London

Backend engineer at QFEX, a startup building a 24/7 perpetual futures exchange for traditional assets (US equities, commodities, FX with up to 100x leverage). You'll design fault-tolerant, low-latency exchange/HFT services in high-performance languages like Rust/C/C++, with strong testing, CI/CD, and architectural direction.

CI/CD C++ Data Science Fintech Infrastructure as Code +6 skills
100K – 150K $
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Personetics Backed by Lightspeed
43 views 3 days ago

Senior Account Executive, ASEAN & North Asia

Open 61d RemoteAPACSenior

Personetics is the financial intelligence layer for banks. Our Cognitive Banking platform turns a bank's own transaction data into real-time, personalised guidance, delivered in the bank's own channels and under its…

AI Pre-sales Rails Solution Design
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Pacific Northwest National Laboratory
125 views 3 days ago

Software Engineer II - Building Applications

New RemoteNorth AmericaMiddle
United States
PNNL

Software Engineer II at PNNL's Building Simulation and Design Group, developing and maintaining web applications and tools that support building energy efficiency research. Day-to-day work is full-stack development (JavaScript/TypeScript, Python, or PHP; React, Node.js, Django/FastAPI), APIs, databases, and optionally LLM/RAG-powered features.

Agentic AI Agile AI Analytics API +17 skills
109K – 164K $
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Devandgo
86 views 3 days ago

Senior Backend Developer (Ruby/NodeJS)

New RemoteMENASenior
United Arab Emirates
Dubai

Senior backend developer building SaaS web applications and APIs with Ruby/Ruby on Rails and NodeJS. Day-to-day: developing features, monitoring and troubleshooting services, maintaining high SLAs, and writing documentation and tests on a fully remote international team.

API Node.js Postman Rails Ruby +1 skills
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Desertcart
45 views 3 days ago

Senior Backend Engineer - Pricing & Data Pipelines

New MENASenior
United Arab Emirates
Dubai

Senior backend engineer at e-commerce company Desertcart in Dubai, working on pricing logic, catalogue updates, data pipelines, and marketplace integrations. Day to day involves Ruby on Rails development, background jobs, ensuring data accuracy, and collaborating with commercial teams.

Data Pipelines Rails Ruby
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OKX
7 views 3 days ago

Overseas Operations Manager (P2P)

Open 143d RemoteNorth America 3 questions
United States
Remote Roles, EMEA

Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions…

Anomaly Detection Blockchain Rails Web3
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Caratlane
43 views 3 days ago

Support Engineer Intern

New On-siteAPACInternshipIntern
India
Mumbai (All Areas)

Entry-level support engineering intern at CaratLane in Mumbai who monitors support tickets and production issues, does first-level troubleshooting and root-cause analysis of application and database problems, and escalates to L2/L3 teams. Core stack: SQL, Node.js, Ruby on Rails, REST APIs/JSON, with a daily 6:30 PM stand-up report.

API Automation JSON Linux Node.js +6 skills
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GitLab Backed by Y Combinator
27 views 3 days ago

Staff Software Engineer, Security Foundations

Open 69d APACFull-timeStaff 7 questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Ireland permit employer — This employer was issued Irish employment permits this year or in the two years before, per the Department of Enterprise, Tourism and Employment. The permits belong to the employer and are not a commitment to sponsor this role.
India
Bangalore

Staff Software Engineer leading backend systems for vulnerability and dependency management at GitLab, designing scalable data layers with Ruby on Rails and PostgreSQL while driving the move toward modular services.

AI DevSecOps GitLab PostgreSQL Rails +3 skills
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kastcard
12 views 3 days ago

Account Executive, KAST Business

New HybridNorth America
United States
San Francisco, California

About KAST KAST is redefining stablecoin banking for global citizens, crypto professionals, Web3-native businesses, and high-inflation markets hungry for USD-backed banking. Backed by top-tier global investors and led…

AWS E-commerce Fintech Rails Stripe +3 skills
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IROV
11 views 3 days ago

Hardware & Embedded System – Electronics Technician

New Full-time

Hands-on electronics technician supporting IROV's R&D embedded team that builds ROVs and marine electronics. Day to day: fine-pitch SMD/through-hole soldering, PCB assembly, rework and repair, component-level debugging with lab instruments, cable harness and waterproof connector assembly, and prototype testing through to tank/field trials.

Accessibility Assembly Corrective Action Embedded Systems Ethernet +10 skills
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Parts Town
43 views 3 days ago

Sr. AI Platform Architect

New North AmericaSenior
United States
Addison, DuPage County

Senior individual contributor who owns the architecture, standards, and technical direction of Parts Town's enterprise AI ecosystem — designing AI agents, assistants, RAG solutions, and integrations using Python/Java/TypeScript, agentic frameworks (MCP, function calling), and cloud-native tooling like Docker and Kubernetes, with a path to platform leadership.

Agentic AI AI API CI/CD Claude Code +27 skills
183K – 203K $
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Gusto Backed by Y Combinator
42 views 3 days ago

Staff Software Engineer, Retirement Money Planning

Open 37d HybridNorth AmericaFull-timeStaff 5 questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Atlanta, GA, Burlingame, Chicago, IL, Denver, CO, Los Angeles, New York, NY, San Francisco, Seattle, WA

Hands-on senior backend engineer on Gusto's Financial Infrastructure team, building and owning services and APIs that move money for Gusto Retirement — payments, settlements, reconciliation, KYB/KYC, 401(k) loans, and billing — partnering with product, compliance, and operations. Core stack is Ruby on Rails; hybrid from Denver, SF, NYC, or Burlingame.

AI API Candidate Experience GraphQL Kafka +4 skills
163K – 247K $
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Anduril Industries
33 views 3 days ago

Staff Payload Integration Engineer, Omen

Open 143d North AmericaFull-timeStaff 11 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Ireland permit employer — This employer was issued Irish employment permits this year or in the two years before, per the Department of Enterprise, Tourism and Employment. The permits belong to the employer and are not a commitment to sponsor this role.
United States
Costa Mesa, California

At Anduril (defense technology), this senior engineer owns mechanical integration of mission payloads into the Omen autonomous air vehicle — designing structural mounts, quick-swap mechanisms, and payload interface control drawings from concept through flight-ready hardware, using CAD (NX/SolidWorks), FEA (ANSYS/Abaqus/NASTRAN), and classical structural sizing.

AI Ansys Assembly CAD Computer Vision +5 skills
146K – 194K $
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Anduril Industries
98 views 3 days ago

AI Solutions Engineer, Talent Acquisition

Open 94d North AmericaFull-time 7 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Ireland permit employer — This employer was issued Irish employment permits this year or in the two years before, per the Department of Enterprise, Tourism and Employment. The permits belong to the employer and are not a commitment to sponsor this role.
United States
Costa Mesa, California

Build and own AI agents and automations for Anduril’s recruiting team, using LLMs and agentic workflows to improve sourcing, screening, and hiring efficiency while ensuring compliance in a regulated defense environment.

Agentic AI AI API Automation CI/CD +11 skills
129K – 171K $
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Anduril Industries
25 views 3 days ago

Senior Power Electronics Engineer

Open 94d North AmericaFull-timeSenior 11 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Ireland permit employer — This employer was issued Irish employment permits this year or in the two years before, per the Department of Enterprise, Tourism and Employment. The permits belong to the employer and are not a commitment to sponsor this role.
United States
Costa Mesa, California

Design and manage power distribution and energy management systems for a maritime autonomous vehicle, including power bus architecture, switching, and fault isolation.

AI Business Development Computer Vision Networking Rails +1 skills
166K – 220K $
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Vinteden
45 views 3 days ago

Senior Backend Engineer II, Resilience

New HybridEuropeSenior Salary + equity
Netherlands
Amsterdam

Senior backend engineer on Vinted's Platform Resilience team in Amsterdam, building platform capabilities and improving stability, performance, and resilience of the marketplace's service ecosystem (80M+ users, 10M+ requests/min). Stack includes Ruby on Rails, Golang, MySQL/Vitess, Kafka, Kubernetes, and observability tooling.

Argo CD Datadog Distributed Systems Event Driven Architecture Go +14 skills
94K – 127K €
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Recruitee
137 views 3 days ago

Senior Backend Engineer (AI Product Engineering)

New EuropeSenior Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.
Poznań, Cologne, Amsterdam

Senior backend-focused product engineer on Recruitee/Tellent's Intelligence team, building AI-powered features into the Tellent recruiting suite end to end. Work is mostly backend (Elixir) with TypeScript/Mastra for AI, collaborating with frontend, design, QA, and DevOps in a hybrid office setup.

AI DevOps Elixir Java LLM +6 skills
69K – 85K €
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Chime Backed by SoftBank Vision Fund
13 views 3 days ago

Senior Software Engineer, Membership Experience

New HybridNorth AmericaFull-timeSenior Salary + equity 7 questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States
San Francisco, CA

Senior full-stack engineer on Chime's Membership team, building and scaling features for membership benefits, rewards, and member engagement in the Chime mobile app. Works end-to-end across Ruby on Rails backend services and React/React Native front ends, with a metrics-driven, experimentation-heavy approach.

API Api Design Data Science Fintech Rails +4 skills
164K – 227K $
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QualityAI
40 views 3 days ago

Full Stack Developer

Open 54d Europe
Portugal
Oeiras

Full Stack Developer on QualityAI's Fund Accounting engineering team in Oeiras (Lisbon area), Portugal, building the Ruby on Rails + React/Redux platforms that automate fund accounting workflows for hedge funds, private equity firms, and fund administrators. Work spans backend (Ruby 3.3/Rails 8), frontend, and testing with RSpec/Cucumber/Capybara.

Cucumber Data Modeling Elixir Laravel PHP +8 skills
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