Remote Software Engineering and Development jobs open to Spain.

JavaScript · Rust · AWS

3 years of experience, PostgreSQL Expert, Nix packaging, Ansible, Docker, AWS, Kubernetes, C/C++ builds, Go, JavaScript, Rust, Infrastructure management, Customer engagement, Proactive problem-solving

SupabaseSupabase is a Postgres development platform providing databases, authentication, storage, APIs and related developer tools.

7 years of experience, Advanced modern C++ (C++23 or newer), Large-scale C++ codebases, Memory management, Concurrency, Performance profiling, Experience shipping software to a large consumer audience, Comfort with large build systems, Algorithms and data structures

DuckDuckGoDuckDuckGo is a Paoli, Pennsylvania-based privacy technology company offering a privacy-focused search engine and browser solutions for a global audience.

Rust

3 years of experience, C/C++ proficiency, Security fundamentals, Debugging in multithreaded applications, Web technologies familiarity, Rust interest, Cross-platform application experience

MozillaMozilla is a family of mission-driven organizations behind Firefox, Thunderbird, open-source AI tools and public-interest technology initiatives.

Python

5 years of experience, Trust & Safety systems, Python, Distributed systems, Cloud applications, End-to-end system ownership, APIs design, Collaboration with non-technical stakeholders, Problem-solving in ambiguous situations

ElevenLabsElevenLabs builds AI voice, conversational-agent, creative-media, and developer API products.

Python · Go · AWS

6 years of experience, Golang, Python, Event-driven systems, CI/CD tooling, Web application security, SAST/SCA/secret-scanning tooling, AI-assisted engineering, AWS, Kubernetes, Fintech experience, PCI DSS knowledge, Software supply-chain integrity, Policy-as-code familiarity, Threat modeling

SezzleSezzle is a payments platform offering installment plans, credit-building and rewards features to shoppers while connecting merchants to its customer network.

Python · Go · AWS

6 years of experience, Golang, Python, Event-driven systems, CI/CD tooling, Web application security, SAST/SCA/secret-scanning tooling, AI-assisted engineering, AWS, Kubernetes, Fintech experience, PCI DSS knowledge, Software supply-chain integrity, Policy-as-code familiarity, Threat modeling

SezzleSezzle is a payments platform offering installment plans, credit-building and rewards features to shoppers while connecting merchants to its customer network.

Python · Kubernetes

Python, Backend development, Software design patterns, Cloud infrastructure, Test design, Security fundamentals, Authentication/authorization experience, Kubernetes, Internal platform development

ElevenLabsElevenLabs builds AI voice, conversational-agent, creative-media, and developer API products.

Product ownership, Deep system understanding, Excellent product judgement, Autonomous work, Interest in music

ElevenLabsElevenLabs builds AI voice, conversational-agent, creative-media, and developer API products.

Production mobile app experience, Systems thinking, Exceptional product taste, Highly self-directed

ElevenLabsElevenLabs builds AI voice, conversational-agent, creative-media, and developer API products.

TypeScript · React · Figma

React/TypeScript, Zero-to-one product ownership, Collaboration with designers (Figma), Cross-functional shipping, Pragmatic decision-making, Music or audio experience, Media-heavy interface development, Working with ML models

ElevenLabsElevenLabs builds AI voice, conversational-agent, creative-media, and developer API products.

Production APIs, Product decomposition mindset, Proactive ownership, Cross-functional collaboration, Music and AI enthusiasm

ElevenLabsElevenLabs builds AI voice, conversational-agent, creative-media, and developer API products.

Rust

Rust, Backend engineering, System reliability, Scalable systems, UI systems design, Data pipelines, Project leadership, Professional editing tools

ElevenLabsElevenLabs builds AI voice, conversational-agent, creative-media, and developer API products.

Full-stack engineering, Frontend development, Backend services, Developer-facing products, API dashboards, User feedback utilization, Product data analysis, Experimentation for product improvement, Developer experience enthusiasm

ElevenLabsElevenLabs builds AI voice, conversational-agent, creative-media, and developer API products.

Kotlin

Bachelor's + 5-10+ years related experience, Kotlin, Jetpack Compose, 4h overlap 15:00-21:00 UTC

Wikimedia FoundationThe Wikimedia Foundation is a San Francisco-based nonprofit organization providing free, multilingual educational content through its wiki-based projects, including Wikipedia, targeting a global audience.

TypeScript · React

3 years of experience, React JS (2+ years), State management (Redux/Flux), CSS methodologies and optimization, Git (GitHub, GitLab), Typescript architecture, OOP and Functional programming design patterns, CI/CD principles, Understanding of ES6/ES7/ES8 standards

KyivstarKyivstar is a Kyiv-based B2C telecommunications provider, offering mobile, broadband, and digital services, with a strong presence in Ukraine's telecom and digital media industries.

Python · AWS · Kubernetes

AWS, Terraform or CloudFormation, Docker & Kubernetes, CI/CD pipelines, Python/Bash scripting, on-call rota

BVNKBVNK is a UK-based fintech B2B platform specializing in stablecoin payment infrastructure, enabling businesses to send, receive, and convert currencies globally.

Java

4+ years Chromium Android browser or equivalent, Java, JNI and C++, GN/Ninja/depot_tools, English B1–B2+

SemrushSemrush makes an online visibility platform that helps marketers improve SEO, AI search visibility, content, paid media and social media performance.

AWS · Azure · GCP

Significant leadership of infrastructure/platform/cloud/production/SRE teams at scale; AWS, Azure OR GCP; CI/CD and GitOps; SLOs/error budgets/incidents/postmortems/capacity; observability; HA/disaster recovery; multi-region expansion; vendors/budgets/costs; executive and engineering work. Preferred: hybrid/on-premises, ISO27001/SOC2 and large cloud providers.

RevolutRevolut provides app-based banking, payments, cards, investing and other financial services.

Forward-deployed or solutions engineering at B2B startup, full-stack, APIs & SSO, European time zones

ElevenLabsElevenLabs builds AI voice, conversational-agent, creative-media, and developer API products.

SQL

10 years of experience, ABAP4, ABAP OO, AI-driven development, SAP add-on development, SQL optimization, XBP, XMI, RFC programming, German fluency, Technical architecture ownership, Job scheduling expertise

StonebranchStonebranch is an Atlanta-based B2B SaaS provider specializing in IT automation and orchestration solutions for enterprises across industries such as financial services, healthcare, and technology.

TypeScript · JavaScript · React

5+ years JavaScript/TypeScript & React, GraphQL/Apollo, Cypress/Playwright/Storybook testing, CET±1 hours

CodekeeperCodekeeper is a remote-first SaaS provider based in The Hague, specializing in software escrow solutions for B2B clients, including enterprises and government organizations.

Rust · SQL · AWS

5 years of experience, Rust, async Rust, Tokio, performance profiling, memory management, production-grade services, SQL/NoSQL databases, Docker, Linux, cloud provider (AWS/GCP/Azure)

Python

Python scraping of Google or protected sites, Playwright/Selenium, HTTP/TLS, anti-bot and CAPTCHA handling

AdthenaAdthena is an AI-powered search intelligence platform giving brands, marketers and agencies competitive insight into the paid search market.

5+ years distributed systems in production, sharding and replication, performance tuning, Elasticsearch/Vespa a plus

AlphaSenseAlphaSense is a New York City-based B2B fintech platform specializing in AI-driven market intelligence and search solutions for financial institutions and top companies globally.

3+ years commercial development, AI agents across the SDLC, C++ and game engines preferred

PlayrixPlayrix is a Dublin-based mobile game developer specializing in free-to-play casual puzzle and city-building games, with a global reach and a B2C business model.

Swift

4+ years iOS development, Swift, SwiftUI and UIKit, modularization, CI/CD and App Store releases

FAIRTIQ AGFAIRTIQ makes a mobile public transport ticketing app that lets passengers check in and out and pay afterward for the journeys they take.

React

React Native, consumer apps for Asian markets, real-time data/APIs, Mandarin or other Asian language a plus

KrakenKraken is a financial platform where individuals and institutions trade crypto, stocks, ETFs, and futures.

Rust

6+ years backend, deep Rust, async network services, distributed systems and Kafka, AI-first development workflow

KrakenKraken is a financial platform where individuals and institutions trade crypto, stocks, ETFs, and futures.

Unity, Scalable architectures, Rapid prototyping, Live iteration workflows, Existing code bases, Integrating new technologies, Strategy games passion

MythwrightMythwright develops and publishes strategy games.

Python · Go · SQL

5+ years backend, Python, BigQuery/SQL, Kubernetes, Golang a plus

SemrushSemrush makes an online visibility platform that helps marketers improve SEO, AI search visibility, content, paid media and social media performance.