64 remote JavaScript roles open to candidates in Portugal, 7 added this week, all at fully remote, VC-backed startups. 10 name Portugal specifically, 21 are open worldwide, and the rest hire across the EU. Most asked-for skills: JavaScript, Python and TypeScript. Matcha reads every posting daily and emails you only the ones that fit.
Describe your next role, cut the noise
64 open roles · 7 new this week · 80% not on LinkedIn
Streamlined health and lifestyle benefits platform with broad account options.
Build and enhance backend-heavy investment and financial products with integrations to financial institutions; based in Portugal, must be fluent in English; 5+ years, TypeScript, JavaScript, Node.js, PostgreSQL/MySQL, backend services, scalability, Agile/Scrum.
Remote Portugal only
AI platform automating enterprise content creation, translation, localization worldwide.
Own technical escalations and onboarding for enterprise localization/AI platform accounts; 24/7 coverage; English required; localization/translation background, REST APIs, webhooks, logs/debugging, Zendesk, YouTrack; bonus: Python/JavaScript, QA, CMS/TMS integrations; newly formed team at Series C, 130% YoY growth.
Remote-friendly; locations include US, UK, Portugal, Costa Rica, Serbia, Armenia, Georgia, and Spain.
All-in-one demand conversion platform for routing, chat, distribution, scheduling.
Own a portfolio of 80–100 EMEA SaaS customers, onboarding, adoption and retention; must be in EMEA; requires 1–2+ years with Salesforce and marketing automation, JavaScript/HTML/CSS, SFDC implementation/data model/REST API; bonus: SFDC or marketing automation certifications.
Remote within EMEA only
Postgres development platform offering database, authentication, APIs, and real-time subscriptions.
Own developer support for a Postgres backend platform; full-time weekend shift covering APAC hours 00:00-10:00 UTC, English fluency required; 3+ years developer support, SQL/PostgreSQL, Linux/Unix CLI, GitHub Issues/Discussions; bonus: DB admin, React/Vue/Svelte, Node.js; async-first, equity
Remote anywhere; primarily seeking Southeast Asia or India time zones for APAC weekend shift
AI model development with proprietary data; open-source labeling, enterprise service.
Own technical support for AI data-labeling software; 3–5 years in SaaS/developer-product support, debugging cloud/APIs/browser/container systems, Python or JavaScript, AWS; bonus: ML frameworks, Kubernetes, AI/data-labeling pipelines, REST APIs; help mature support processes and automation
Remote across North and South America and Europe; East Coast North America timezone/location noted
Seamless cross-border crypto payments with fiat settlements and compliance.
Own Atlassian Cloud admin and workflow automation for internal business processes in blockchain infrastructure; 2+ years Jira Cloud/Confluence Cloud, JSM admin, n8n/Make/Zapier, Atlassian REST APIs, integrations, JavaScript/Groovy/Java; bonus: HRIS, OAuth2, AI, ITIL
Remote Europe only
Collaborate with health centers to expand access via infusion centers.
Own end-to-end lab certification and partner implementation workflows for diagnostic healthcare integrations, automating manual processes; US East Coast/EDT-EST only, physically based in GMT or EST, no visa sponsorship; 2+ years, implementations/integrations/technical support, SQL, Python or JavaScript, API products, coding ability, AI tools; first dedicated owner, equity
Remote for people physically based in EST or GMT timezones; US East Coast preferred/location listed; no visa sponsorship
Popular home design and improvement platform for 77+ million users.
Own automated testing across web, mobile and desktop home-design apps; English required, Russian knowledge, contractor under B2B agreement; 3+ years test automation, 2+ years web/API, Java, Kotlin, Selenium, Appium, JUnit, TestNG, REST, GraphQL, gRPC.
Remote Europe only; specifically Serbia, Georgia, Spain, Poland, Portugal, Latvia, Estonia, Armenia.
Speech AI company building next-gen voice applications.
Own how coding agents integrate a Voice AI API platform; 2+ years, JavaScript and/or Python, daily use of coding agents, prompt/skills/tool-definition writing, evals, technical writing; growth-stage, small team, high ownership.
Remote anywhere worldwide
AI-driven digital twins optimize sustainable product supply chains.
Own Angular frontend features, architecture, and design systems for a sustainable product lifecycle platform; must be legally permitted to work in EU or UK; several years frontend experience, Angular 17+, Signals, RxJS, Angular Material, Playwright; bonus: Java/Spring, Storybook, Figma, OpenAPI, enterprise SaaS.
Remote in the EU or UK only; must be legally permitted to work there.
Secure institutional digital asset storage via world's largest platform provider.
Support Web3 users and ops across community channels, blockchain infrastructure, and AI support workflows; some coverage outside China Standard Time; Web3 basics, RPC troubleshooting, Telegram/Discord admin, Python/Java/JavaScript, Telegram Bots and Mini Apps; bonus: node ops, automation, AI workflows
Remote UK and Europe only: United Kingdom, Belgium, Denmark, France, Germany, Greece, Italy, Portugal, Spain
Helps travelers book hotels with clearer, calmer, transparent pricing decisions.
Own quality strategy and automation platform for a travel-booking product across web, mobile, extensions and APIs; hands-on Staff IC, no people management soon; must have automation platform/SDET depth, CI/CD, Playwright, mobile automation, GitHub Actions, AI-assisted testing.
Remote anywhere
Strategy, technology, and managed services delivering rapid growth in weeks.
Own QA strategy across multiple software products in finance/process automation; 6–10 years testing, 3+ years QA lead, Selenium/Cypress/Playwright/Appium, Java/Python/JavaScript, CI/CD, API/backend testing, performance testing, Jira/TestRail
Remote policy unclear
London-based tech company creating innovative health, education, entertainment consumer products.
Automate core enterprise accounting with AI agents across AP, AR, reconciliations, close, and reporting; remote within about ±4 hours of CET; Python or JavaScript/TypeScript, AI coding tools/Claude Code, IFRS or US GAAP, APIs, basic SQL; bonus: ERP APIs, multi-entity/multi-currency.
Remote from countries within about ±4 hours of CET; ATS header says European Union.
Global gifting and direct mail platform delivering measurable customer engagement.
Own full-stack platform features for a B2B gifting SaaS; 3+ years in product software, Ruby on Rails, SQL, React, JavaScript, REST APIs, AI coding tools, automated testing, CI/CD, monitoring tools; bonus: e-commerce/B2B SaaS, third-party integrations, webhooks
Remote Portugal only
Global open-source solutions provider; Ubuntu publisher.
Own software across the open-source/Linux stack from low-level systems to cloud and containers; written/spoken English, international travel twice yearly; degree in CS/STEM, strong academics, Linux, one of Python/Rust/C/C++/Go/JavaScript/Java; bonus: open-source contributions; profitable, founder-led, global remote
Remote anywhere worldwide; teams aligned by timezone (EMEA, APAC, or Americas); travel internationally twice a year required
AI marketing platform helping SMEs create and promote high-performing content.
Own vulnerability remediation and incident response for an AI ads platform’s product and AWS infrastructure; fluent Ukrainian, English B2+; 5+ years engineering, 2+ years security, backend in Node.js/JavaScript/TypeScript, Java, C#/.NET, Go, or Rust, AWS; bonus: security certs, SOC 2/ISO 27001/CASA, GDPR/CCPA
Remote anywhere
AI marketing platform helping SMEs create and promote high-performing content.
Own company-wide product and infrastructure security for an AI ads platform; fluent Ukrainian, B2+ English; 7+ years engineering, 3+ years security role, backend in Node/JS/TS, Java or C#/.NET, DevOps/cloud, incident response, AWS cert, SOC 2/ISO 27001; profitable, high-growth
Remote anywhere
Global gifting and direct mail platform delivering measurable customer engagement.
Own full-stack platform features for a B2B gifting SaaS; 3+ years in product software, Ruby on Rails, React, modern JavaScript, SQL, REST APIs, AI coding tools, testing, CI/CD; bonus: e-commerce/B2B SaaS, third-party integrations; stock options
Remote Portugal only
Ethical web data extraction platform, powered by Zyte API and AI.
Own risk-based test strategy and AI-native automation for software delivery; must use AI coding agents; skills: Playwright, CI/CD, GitHub Actions, automation frameworks, LLM/API integrations, quality engineering; bonus: testing AI products, evaluation frameworks, prompt engineering, performance testing.
Remote Portugal only.
AI-enabled compliance platform for repeatable, auditable processes across teams.
Own full-stack and backend architecture for an AI-native SaaS workflow/compliance platform; must work UTC-6 to UTC+2; 7+ years, Scala or Java/Ruby/C#, React, APIs, AWS, SaaS scaling, AI coding tools/agent workflows; small early-stage team, equity, async-first
Remote for candidates in time zones UTC-6 to UTC+2, spanning US Central through Central Europe
Engineers and designers creating emotionally resonant electronic art devices.
Own end-to-end QA across firmware, cloud, and mobile for smart devices; English required; QA across firmware/backend APIs/mobile, REST/gRPC, Postman/Swagger, UART/syslog, Kibana/Sentry, BLE/Wi-Fi, Agile, Jira/Confluence/TestRail/Qase/TestOps; bonus: Python/JavaScript, Wireshark/tcpdump, IoT/security testing
Fully remote anywhere in the world, or office/hybrid
Popular home design and improvement platform for 77+ million users.
Own SEO/GEO for a home design platform, driving search and AI answer-engine visibility across multiple languages; 3+ years with international brands, GEO project portfolio, GA/GSC/Data Studio/WebTrends/Semrush, SEO/SEM, HTML/CSS/JS, keyword research; English required, bonus: French/Spanish/Italian/Portuguese.
Remote Europe only: Serbia, Georgia, Spain, Portugal, Poland, Latvia, Estonia, or Croatia.
All-in-one self storage software designed to maximise your sales, reduce your costs, and save you time.
Own full-stack features and maintenance for a Rails self-storage platform; remote only within UK or EU; 3+ years software experience, 2+ years Ruby on Rails, JavaScript, CSS, testing, production debugging; small fast-moving product team, share options
Remote within the UK or EU only; Belfast hybrid/office optional for locals
Open-source billing platform for usage-based pricing.
Own and improve a custom headless Shopify Hydrogen storefront for e-commerce; remote role requires 9am–5pm EST availability, English; must have React, React Router, Shopify Hydrogen, Shopify APIs, GraphQL, HTML/CSS/JavaScript; bonus: Storyblok, Algolia, GA4, Klaviyo, SEO
Remote Eastern Europe only; must work 9am–5pm EST
All-in-one enterprise real estate platform for professionals.
Own core backend services for real-estate CRM and marketing platforms; 5–7 years; JavaScript, Node.js, PostgreSQL, SQL performance tuning, scalable backend services, APIs, testing; bonus: bachelor’s preferred
Remote anywhere
Premium iGaming technology provider delivering engaging casino games worldwide.
Own the compliance engineering pipeline for casino games/platform releases and defend evidence with labs/auditors; 3+ years, Node.js, TypeScript, SQL, certified-product/iGaming experience; bonus: ISO 27001/SOC 2, GLI/BMM/eCOGRA, Datadog, RNG/RTP; remote EU
Remote in the European Union only
E-commerce enablement platform scaling messaging, social commerce, and retention.
Own end-to-end features for Shopify retention/subscription systems handling millions of transactions; join working-hours escalation; 8+ years senior JS/TS, REST APIs, React, SQL/MySQL, AWS, TDD/OOP/SOLID, AI agents; bonus: predictive algorithms, Shopify, DataDog/SRE.
Remote Portugal only
Empowering developers to build on Bitcoin, growing Rootstock and decentralized tech.
Secures Bitcoin-backed DeFi infrastructure; reviews source code, smart contracts, and protocol changes; threat modeling and architecture reviews with development teams; owns bug bounty triage/validation and coordinates external audits through remediation; builds security automation including AI-assisted code review, scanning, findings triage, CI security checks, monitoring alerts, and hardening; researches EVM, bridge, and p2p attack techniques and supports application-layer incident investigations; requires 3+ years in application/security engineering, secure code review in Java plus one of TypeScript/JavaScript, Python, Go, or Rust, blockchain security experience in Solidity/EVM or protocol/node security, security automation experience, and fluent English; bonus: bug bounty/disclosure programs, network or consensus attack mitigation, offensive security background, public security research, C/C++, fuzzing
Remote within UTC-3 to UTC+2 time zones; effectively Europe through Argentina-aligned LATAM time zones
Liquidity made simple
Evergreen talent-pool role for future openings, not an active requisition; bridges analyst/research and tech/product/engineering to bring financial models into production on an investment platform; translates complex financial models into technical requirements, collaborates on implementation, and works across the full product development lifecycle from requirements through roadmap and shipping; focus on private-markets secondaries/liquidity products across private equity, private credit, and real assets; must have research-to-product mindset and experience solving with sparse/unreliable data; minimum MSc required, PhD preferred, in a data-intensive field; requires exposure to financial modelling via work, study, or projects; must: statistical methods, data analysis, Python, Bash/command line, basic JavaScript, Excel, DuckDB, Git; startup and distributed-team environment; full-time contractor
Remote globally; full-time contractors able to work standard CET hours
Platform for creating and sharing Lottie animations across devices.
Platform team role owning core systems including authentication, federated GraphQL, data orchestration, and application architecture; focus on developer experience via tooling, workflows, documentation, code generation, schema design, subgraph development, and golden paths; build and operate federated GraphQL gateway (Federation v2), gRPC services, and authentication service; includes OAuth/OIDC/SAML SSO for enterprise customers; strong emphasis on observability, profiling, latency and performance optimization, reliability, incident ownership, and mentoring; requires 5+ years building and operating production services at scale; must have deep hands-on GraphQL federation v2 experience, strong JavaScript/TypeScript and Node.js, gRPC/service APIs, developer tooling/DX, cloud distributed systems; bonus: React or systems language, SOC 2/compliance environments, Kubernetes, AI-native systems
Remote anywhere
Fast, cost-effective search using vector and full-text with object storage.
Closes inbound deals with technical teams; lives in customer Slack channels to solve problems and move deals forward; manages POCs with solutions engineers; role is explicitly open to either a technically fluent AE or a technical person ready to carry a quota; must be able to understand technical product details and explain complex ideas simply; bonus: sold to developers before, experience with databases/search/infrastructure software, GTM automation tools, and comfort with Python/JavaScript, Linux, or cloud platforms
Remote from Canada, US, or Europe
SaaS for computer vision: data management, labeling, training, deployment.
Pre-sales technical role partnering with sales to qualify opportunities and design edge-based computer vision solutions; leads demos and POCs, advises on architecture, APIs, security, scalability, edge deployment, data handling, model inference, and client integrations; focused on customers in industries such as manufacturing, automotive, logistics, food processing, and retail; must have solutions architecture/technical sales engineering experience, preferably in computer vision, AI, or IoT, plus edge computing expertise and programming ability in Python and JavaScript; ideal experience with AWS, Azure IoT, and customer-facing GTM/pre-sales work; willing to travel ~40%; works closely with product and engineering and helps shape the function with the cofounder/CEO and sales leadership
Remote in the US or Europe; hub options in New York City and San Francisco.
Value-driven mobile app developer; 1B+ downloads; Health, Utilities, Music; London-based.
Build and maintain AI/low-code automation for a fitness app’s marketing and creative operations; develop creative-generation workflows, competitor creative parsing, automated campaign launches on AppLovin/Meta/TikTok, recommendation systems, and campaign management; partner with UA managers, creative producers, and designers to automate routine tasks and deliver self-serve AI tools for non-technical users; maintain Airtable scripts, n8n workflows, and integrations with Meta, AppLovin, Google Drive, and Slack; focus on transparent, reliable pipelines with statuses, logs, and alerts; requires 1+ years commercial JavaScript/Node.js, REST API integration, low-code automation tools, Airtable or similar, and LLM workflow integration; bonus: creative production automation, advertising APIs, media pipelines, AI creative-generation services, and user acquisition/mobile marketing metrics
Remote anywhere
Global digital intelligence platform measuring consumer behavior across apps, web, gaming.
Requires experience developing and maintaining complex CI/CD workflows and software development skills in tools, APIs, or backend services. Strong computer science fundamentals and experience with cloud providers like AWS are essential.
Remote from Portugal only.
Unlock alternative asset value: trade, value, securely store collectible cards.
The role requires 5+ years of engineering experience with strong backend and frontend proficiency in Python, React, and AWS. Candidates must have a proven track record of owning growth systems and a deep understanding of product analytics and experimentation frameworks.
Remote policy unclear
Build, scale, and ship all the content applications your business needs with the Sanity Content Operating System.
Requires 4+ years of hands-on experience in developer support or engineering roles with strong debugging skills in JavaScript, TypeScript, and modern web frameworks. Candidates must demonstrate the ability to own complex issues from diagnosis to resolution and possess excellent communication skills.
Remote in Europe and London, UK
AI platform automating third-party management by exception across lifecycle.
Candidates must have 3+ years of experience in customer-facing technical delivery and hands-on proficiency with APIs, Python, or JavaScript. You should also have practical experience deploying LLMs in production environments and strong communication skills for high-level stakeholder engagement.
Remote worldwide; company says it hires globally and team members can work from the location they choose.
AI developer cloud for building, training, and scaling AI apps.
Candidates must have a bachelor's degree in a relevant field and at least 3 years of professional software development experience. Strong problem-solving skills and familiarity with applied AI use cases such as inference, fine-tuning, or LLM-based applications are required.
Remote EMEA (must be located there). Visa sponsorship not available; must be eligible to work.
Global digital intelligence platform measuring consumer behavior across apps, web, gaming.
Candidates must have a solid background in Linux, experience with CI/CD maintenance, and proficiency in Ruby, Javascript, or Python. Knowledge of AWS technologies, containerization, and monitoring tools is also required.
Remote from Portugal only
Restream enables simultaneous high-quality live streaming across major social platforms.
The ideal candidate has strong expertise in React, TypeScript, and JavaScript, along with experience in backend technologies like Node.js and cloud infrastructure. You should possess a scrappy, entrepreneurial attitude with a strong design sensibility and excellent communication skills.
Remote Europe only
AI-powered commerce search and discovery platform optimizing conversions.
The role requires at least 5 years of web development experience, including 2 years in a leadership capacity, with proficiency in JavaScript and React. Candidates must demonstrate strong analytical skills and the ability to communicate effectively with both technical and non-technical stakeholders.
Remote anywhere; fully remote team, choose where you live. Must attend regular meetings between 2 and 8 pm UTC.
Europe's fastest-growing refurbished marketplace, sustainable and affordable.
The role requires significant experience in full-stack development with proficiency in Go, PostgreSQL, Redis, and modern frontend technologies like Vue. Candidates must possess a strong understanding of distributed systems, API design, and a commitment to writing clean, maintainable code.
Remote in European time zones only
Blockchain platform for teams; trusted by Web3 and Fortune 500.
Build next-generation infrastructure platforms for blockchain/Web3 infrastructure across private and public clouds; architect and deploy hybrid environments spanning bare metal, hypervisors, VMs, orchestrators, and containers; drive infrastructure automation, standardization, observability, resilience, capacity planning, disaster recovery testing, and cost efficiency; collaborate with Technical Operations, CloudOps, and Platform teams; requires 5+ years in systems administration, datacenter operations, or infrastructure engineering with deep Linux/Unix expertise; must have experience operating hybrid cloud/traditional infrastructure at scale, IaC/configuration management and CI/CD, observability platforms, programming in Python/Go/JavaScript, and containerization/networking fundamentals
Remote in the United States or Portugal only
Premium managed WordPress hosting with global 24/7 expert support.
The role requires a minimum of 5 years of hands-on experience in product or UX design with a proven track record of shipping features in a SaaS environment. Candidates must possess expert-level proficiency in Figma, a strong understanding of front-end technologies, and excellent communication skills.
Remote-first; can work from United States, United Kingdom, Canada, or Hungary (Budapest). No other locations specified.
Okendo: customer marketing platform turning Shopify customers into superfans.
The role requires 5+ years of professional experience in frontend development with deep proficiency in TypeScript and modern JavaScript. Candidates must have strong hands-on experience with at least one modern component framework and the ability to work effectively within a distributed, async team.
Fully remote; location listed as Melbourne, Australia, with async work for a distributed global team.
AI-moderated qualitative research platform enabling faster, scalable enterprise insights.
Requires 5+ years of software engineering experience with strong proficiency in JavaScript, React, Next.js, Python, and Django. Candidates must have experience in customer-facing roles and familiarity with cloud deployment on AWS and SQL databases.
Remote in the EU (includes Ireland); location restriction to European Union/Ireland.
Postgres development platform offering database, authentication, APIs, and real-time subscriptions.
Requires 3+ years of experience in developer support and proficiency in PostgreSQL and SQL. Candidates must be comfortable with Linux/Unix environments and possess excellent English communication skills.
Fully remote support engineer covering EMEA weekend shifts (08:00-18:00 UTC); primarily Europe, Africa, or Middle East timezones.
Ethical web data extraction platform, powered by Zyte API and AI.
Candidates must possess strong proficiency in JavaScript, Python, and reverse-engineering techniques including static and dynamic analysis. A hacker mindset with demonstrated experience using AI tooling to automate engineering tasks is essential.
Remote role; location listed as Zagreb, Croatia, but no other country restrictions stated.
End-to-end enterprise automation with auditable closures and predictable pricing.
Requires 5+ years of experience in pre-sales or solutions engineering with a strong hands-on proficiency in modern AI systems and agentic workflows. Candidates must be comfortable with APIs, SQL, and light coding, possessing strong commercial judgment and communication skills.
Remote EU/UK/US (Europe and United States); based in EU or UK or US, with regional travel to customer sites.
+14 more javascript roles in Portugal
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Describe your next role, cut the noise
50 companies have open JavaScript roles in Portugal. The most active right now:
Share of the 60 postings that name each skill:
Figures from the postings on this page, updated weekly. Last update 2026-10-26.
No. Only 10 of the 60 postings name Portugal; the rest accept candidates anywhere in the EU, and 21 are open worldwide. Most ask for a time-zone overlap rather than a specific address, so check the location line on each posting.
11 of these 60 postings hire in both the EU and the US, and 21 are open worldwide, which usually means a US or global company. The rest hire in the EU only, often for payroll or time-zone reasons.
45% ask for 5 to 10 years, 46% for 2 to 5 years, 4% for 10 or more, and 5% are open to candidates with under 2 years.
7 in the last 7 days, 64 over the last 6 months, from 50 companies.
A zero-noise alternative to job boards for remote startup jobs. Describe your next role once in plain language; Matcha reads every job description daily and emails you only the roles that actually fit. No UI to check, no notifications, no noise.
Matcha is a zero-noise alternative to job boards for remote startup jobs. Instead of scrolling through hundreds of irrelevant postings, you describe your next role once and Matcha reads every job description daily to surface only the roles that actually fit. Matches arrive in a single email, as soon as a relevant role is posted. No UI to check, no notifications, no noise. Because Matcha reads full job descriptions in plain language, there is no limit to what you can filter by: not just the usual dropdowns, but anything you can put into words.
Matcha surfaces fully remote jobs at startups from seed to series A, series B, etc. typically backed by top-tier VCs like a16z, Index Ventures, Y Combinator, Google Ventures, Sequoia, Accel, Khosla Ventures, etc. Roles span software engineering, design, marketing, sales, and more. Open to candidates in Europe, the US, Canada, the UK, Brazil, Latam, APAC, and worldwide.
Describe your next role, cut the noise
