Apply

Senior Software Engineer - Fintech Solutions

Ebury

Full-time|On-site|Madrid

Join Ebury, a leading fintech company revolutionizing the financial services landscape. We are looking for a Senior Software Engineer to be a pivotal part of our innovative team in Madrid. In this role, you will leverage your expertise to develop and enhance our cutting-edge financial solutions, collaborating with cross-functional teams to deliver exceptiona…

Apr 8, 2026

Apply

Senior Software Engineer at affinity | Barcelona

Affinity

Full-time|On-site|Barcelona, Spain

About the Role Affinity is hiring a Senior Software Engineer in Barcelona. This position focuses on designing, building, and maintaining software products that support the company's goals. The team values engineers who enjoy solving complex problems and contributing to ongoing projects.

Apr 13, 2026

Apply

Senior Backend Software Engineer

Fever

Full-time|On-site|Barcelona

Join us at Fever, the premier tech platform dedicated to enhancing cultural and live entertainment experiences globally.Our mission is to democratize access to culture and entertainment. Utilizing our advanced technology and data-driven strategies, we are changing how audiences engage with live events. Every month, over 300 million individuals across more than 40 countries discover unforgettable experiences on our platform, while we empower event creators to innovate and grow their reach.We proudly collaborate with industry giants such as Netflix, F.C. Barcelona, and Primavera Sound, delivering internationally acclaimed experiences and backed by leading global investors. Impressive, isn’t it?To further our mission, we seek exceptional talent with a proactive mindset, eager to contribute to the future of entertainment. Are you ready to be part of this journey?The engineering team is the backbone of our user-friendly iOS and Android applications and website, responsible for developing, enhancing, and maintaining all Fever services, ensuring that users have outstanding experiences.About the RolePosition: Senior Software Engineer (Backend Platform)Location: SpainWe are looking for a highly skilled software developer with a proven track record of delivering exceptional results. A person who values code quality and emphasizes doing things correctly, not just completing tasks.Collaborate within an agile, cross-functional team alongside other talented software engineers and product designers.Develop production-quality code and implement solutions capable of handling significant traffic.Mentor team members through code reviews, architecture design sessions, and pair programming.Receive mentorship from colleagues in areas where you seek to grow.During your onboarding period, you will:Engage in a structured program designed to facilitate a smooth transition into your role.

Feb 3, 2026

Apply

Senior Software Engineer - FinCore

Ebury

Full-time|Hybrid|Málaga

Ebury empowers ambitious businesses to unlock global growth, while simultaneously nurturing the career paths of our team members. We promote innovation, collaboration, and problem-solving, cultivating an environment where everyone feels valued, supported, and empowered to thrive.If you are a collaborative individual eager to revolutionize the way businesses operate on a global scale, we invite you to connect with us. Join Ebury and accelerate your career while shaping the future of finance.Senior Software EngineerMálaga Office - Hybrid: 4 days in the office, 1 day working from homeThe FinCore Engineering team at Ebury is on the lookout for an experienced Software Engineer to become a vital part of our dynamic team. You will be responsible for the development and enhancement of our multi-currency accounting system and the exchange of foreign currencies. Your contributions will be essential as we continuously elevate our platform to deliver the best foreign exchange experience for our clients and operational teams.As a Senior Software Engineer, your technical acumen will be pivotal to our innovation and growth. We value collaboration and dedication, working effectively in a distributed environment.

Mar 6, 2026

Apply

Senior Technical Lead - SBS

Sopra Steria

Full-time|On-site|Madrid

We are seeking a dynamic and experienced Senior Technical Lead to join our team in Madrid. In this pivotal role, you will leverage your extensive technical expertise to lead projects and drive innovation within our Software Business Solutions (SBS) division. You will collaborate with cross-functional teams to ensure the successful delivery of high-quality software solutions, mentor junior developers, and contribute to architectural decisions.

Mar 13, 2026

Apply

Senior Backend/Platform Engineer

Aircall

Full-time|On-site|Madrid Office

Join Aircall as a Senior Backend/Platform Engineer, where you will play a crucial role in enhancing our platform's infrastructure and backend systems. You will collaborate with cross-functional teams to design and implement scalable solutions that ensure seamless communication for our users. If you are passionate about crafting high-performance systems and thrive in a dynamic environment, we would love to hear from you!

Mar 26, 2026

Apply

Senior Software Engineer (Containers)

Jobgether

Full-time|Remote|Spain

Jobgether is looking for a Senior Software Engineer (Containers) based in Spain. This position centers on building and improving container-based solutions that support the company’s software products. Role overview This role involves designing, developing, and refining systems that use containers. The work aims to strengthen Jobgether’s software by focusing on reliability and performance within containerized environments. What you will do Create and maintain container-based architectures. Work with a team focused on advancing software technologies. Contribute to the ongoing improvement of Jobgether’s software offerings. Location This position is based in Spain.

Apr 30, 2026

Apply

Senior Python Developer - Code Migration Expert

Mindrift

Contract|$30/hr - $30/hr|Remote|Remote — València, Valencian Community, Spain

Please submit your CV in English and specify your level of English proficiency. This is a contract role for a Senior Python Developer - Code Migration Expert at Mindrift. The position is fully remote, based in València, Valencian Community, Spain. Mindrift connects experienced professionals with project-based AI work for leading technology companies. This contract focuses on evaluating, testing, and improving AI systems. It is not a permanent position. What you will do Design and implement functional black box tests for large codebases in multiple programming languages. Set up and manage Docker environments to ensure builds and tests are reproducible across various platforms. Monitor code coverage and configure automated scoring, aligning with industry benchmarks. Use large language models (including Roo Code and Claude) to automate tasks, accelerate development, and improve code quality. Requirements At least 5 years of experience as a Software Engineer, with a strong focus on Python. Advanced skills in pytest, including fixtures, session-scoped tests, and timeouts, plus experience building black-box functional tests for CLI tools. Deep expertise with Docker: writing reproducible Dockerfiles, managing user contexts, and maintaining secure workspaces. Strong Linux and Bash scripting abilities, including debugging in containerized setups. Familiarity with modern Python tools such as uv, pyproject.toml, and packaging. Ability to read and interpret code in C, C++, Rust, and Go, with support from LLMs. Experience using LLMs (Claude Code, Roo Code, Cursor) to speed up development and generate test cases. English proficiency at B2 level or above. Preferred qualifications Background with agent evaluation platforms and MCP CLI. Key tools and technologies Python (pytest, uv, Pillow), Docker, Bash, Git Submodules, reading C/C++/Rust/Go, Dagger, GitHub Codespaces, LLMs (Claude Code, Roo Code, Cursor), coverage.py, gcov, kcov. Work arrangement and compensation Freelance, project-based work through the Mindrift platform (powered by Toloka AI). Fully remote with flexible scheduling. You can set your own hours; a weekly commitment of 20-30 hours is recommended. Compensation is based on project scope and expertise. AI trainers can earn up to $30 per hour.

Apr 24, 2026

Apply

Implementation Developer

OctoEnergy

Full-time|On-site|Valencia (ES)

Join OctoEnergy as an Implementation Developer and be a part of our innovative team working to revolutionize the energy sector. You will play a crucial role in the design, development, and deployment of our software solutions, ensuring they meet the highest standards of quality and efficiency.

Apr 10, 2026

Apply

Senior TypeScript/Node.js Developer at Sigma Software | Madrid

Sigma Software Group

Full-time|On-site|Madrid

Join our dynamic team at Sigma Software Group as a Senior TypeScript/Node.js Developer. We are seeking an innovative and experienced developer to contribute to our cutting-edge Swedish ad platform. You will work collaboratively with a talented group of professionals, enhancing our technology stack and delivering high-quality software solutions.

Mar 26, 2026

Apply

Fullstack Developer

inetum2

Full-time|On-site|Sant Cugat del Vallès

Join our dynamic team at inetum2 as a Fullstack Developer. We are looking for an innovative and skilled developer to work on exciting projects that leverage the latest technologies. As a Fullstack Developer, you will be responsible for both frontend and backend development, collaborating with cross-functional teams to deliver high-quality software solutions.

Apr 29, 2026

Apply

Senior Software Engineer II at Flywire | Valencia

Flywire

Full-time|On-site|Valencia

Join Our Team:At Flywire, we are in search of a talented Senior Software Engineer II to enhance our fintech solutions. Your main task will involve the development and upkeep of the advanced payment platform that facilitates the transfer of hundreds of millions of dollars daily.As a member of our dynamic team, you will focus on creating new features and optimizing existing functionalities to enhance speed, cost-effectiveness, and scalability. A strong dedication to collaborative problem-solving, practical design, and producing high-quality software while instilling a sense of ownership across the team is crucial. You will ensure the delivery of top-notch code within established timelines.Develop clean, high-quality, testable, secure, maintainable, and scalable code.Troubleshoot complex bugs and production issues within the development environment.Analyze intricate issues that require a deep understanding of various factors.Select appropriate methods, techniques, and evaluation criteria to achieve results.Assess scalability and performance metrics and implement enhancements.Lead initiatives for improvements throughout the development lifecycle.Assist in the recruitment process by identifying and engaging exceptional talent.Ensure optimal performance, quality, and responsiveness of applications.Collaborate with Product Managers and stakeholders to contribute to the product vision.Lead projects and mentor team members to foster growth.

Aug 27, 2025

Apply

Senior Full-Stack Engineer (Spanish-speaking)

N-iX

Full-time|On-site|Spain

N-iX is seeking a Senior Full-Stack Engineer (Spanish-speaking) to enhance our dynamic team.Our client stands as one of the foremost global fashion retailers, operating across more than 200 markets through a blend of e-commerce platforms and thousands of physical stores worldwide. This company expertly manages the entire fashion value chain—from design and manufacturing to distribution and retail—emphasizing flexibility, digital integration, and sustainability.Technology is pivotal in all facets of the business, including stores, e-commerce, logistics, and supply chain. Our engineering teams operate in small, autonomous product teams, taking full ownership of the solutions they develop. Engineers are encouraged to grasp the broader business context, engage directly with stakeholders and users, and play an active role in technical and product decisions.

Apr 2, 2026

Apply

Senior Backend Engineer

bunch

Full-time|On-site|Spain

Join our dynamic team at bunch as a Senior Backend Engineer, where you will lead the design and development of innovative backend systems. You will collaborate closely with cross-functional teams to deliver high-quality software solutions that enhance user experiences. Your expertise will drive the architecture of scalable applications, ensuring they are robust and efficient.

Feb 24, 2026

Apply

Senior Software Engineer at Fever | Spain

Fever

Full-time|On-site|Spain

Welcome to Fever! We are the world’s leading technology platform dedicated to enhancing culture and live entertainment experiences.Our mission is to democratize access to culture and entertainment. Through our innovative technology and analytical approach, we are transforming how audiences connect with live events. Every month, our platform sparks inspiration in over 300 million individuals across more than 40 countries, while simultaneously empowering event creators with the tools and data necessary to innovate and expand their reach.Our achievements speak volumes; we have partnered with industry giants such as Netflix, F.C. Barcelona, and Primavera Sound, and have delivered internationally acclaimed experiences, all supported by prominent global investors.To continue our journey, we are seeking exceptional talent with a proactive mindset to help us shape the future of entertainment!Are you ready to join us?As part of our engineering team, you will contribute to the development and maintenance of our user-friendly iOS and Android applications, as well as our web services, ensuring that more people can enjoy extraordinary experiences.About the RoleLocation: SpainWhat We Are Looking For:We are in search of a Senior Software Engineer who possesses exceptional software development skills, evidenced by a strong record of professional achievements. The ideal candidate values code quality and aims to not only complete tasks efficiently but also execute them correctly.If you are intelligent, energetic, and think of systems with CI/CD pipelines in mind, and you thrive in a dynamic environment, we are aligned!Your First Month at Fever (Onboarding Period):You will participate in a comprehensive onboarding program designed to facilitate a smooth transition.Meet your team and buddy, and immerse yourself in Fever’s culture and operational methods.Set up your local development environment and familiarize yourself with our Python-based tech stack, CI/CD processes, and cloud infrastructure.Gain insights into our architecture and observability tools while contributing small enhancements and fixes.

Feb 16, 2026

Apply

Ingeniero de software senior II

examplecorpsandbox

Full-time|On-site|Barcelona

As a Senior Software Engineer II, you will play a pivotal role in developing innovative information systems by analyzing operational needs and creating software solutions. You will lead a dynamic team of developers tasked with building and maintaining both new and existing websites. Your expertise in software engineering, coupled with your ability to communicate effectively and prioritize tasks, will be key to your success in this role. We seek a creative engineer who balances quality with customer-focused solutions, capable of managing multiple responsibilities in a fast-paced environment.

Feb 9, 2026

Apply

Senior Software Engineer at aircall | Madrid

Aircall

Full-time|On-site|Madrid Office

Join aircall, a leading AI-driven customer communication platform, as we innovate the way businesses interact with their customers. With over 22,000 companies relying on our services, we integrate voice, SMS, WhatsApp, and AI into a unified workspace designed to enhance efficiency and drive revenue.Our vision is simple yet powerful: empower teams to work smarter, not harder. With tools like our AI Voice Agent for automating routine calls and AI Assist Pro for real-time guidance, we ensure that our teams can achieve peak performance and fast resolutions.Headquartered in Paris, with a strong presence in North America and multiple offices including Madrid, London, and New York City, aircall is backed by top-tier investors and is rapidly evolving through AI innovation across various product lines.At aircall, you will be part of a dynamic and ambitious team focused on impactful results. We prioritize ownership, continuous learning, and agile practices. If you thrive in a collaborative and fast-paced environment, you will flourish here.We are seeking a dedicated and enthusiastic Senior Software Engineer to enhance our engineering department and contribute to our innovative projects.In this role, you will oversee the design, development, deployment, and maintenance of essential features that deliver significant value to our customers. You will champion operational excellence and best practices while mentoring your team and the wider engineering community.Your work will focus on elevating quality, excellence, and agility within our delivery processes. You will work primarily with NodeJS and Typescript, ensuring our solutions are effectively hosted on AWS.

Feb 12, 2026

Apply

Senior Software Engineer - Integrations Team

Truv

Full-time|On-site|Spain

Join our dynamic Integrations Team at Truv as a Senior Software Engineer, where you will play a crucial role in enhancing our software solutions. You will be responsible for developing and maintaining integrations that connect our systems to various platforms, ensuring seamless data flow and efficiency. This position is perfect for an experienced engineer who thrives in a fast-paced environment and is eager to tackle complex challenges.

Mar 11, 2026

Apply

Senior Software Engineer - Orchestration and Automation

Celonis SE

Full-time|On-site|Madrid, Spain

Join our innovative team as a Senior Software Engineer specializing in orchestration and automation at Celonis in Madrid. In this pivotal role, you will be instrumental in designing and developing cutting-edge software solutions that enhance our automation capabilities. Collaborate with cross-functional teams to streamline processes and drive efficiency across our platforms.

Apr 1, 2026

Apply

Senior Smart Contract & Backend Engineer

Yei Finance

Full-time|On-site|Spain

About the Project:Yei Finance is a pioneering decentralized, non-custodial money market protocol built on the Sei network, dedicated to delivering innovative and versatile financial solutions. Users can benefit from competitive yields, borrow via over-collateralized or flash loans, and manage risks using advanced tools—all while harnessing Sei’s remarkable speed and low costs.Our flagship product, Clovis, achieved over $400M in Total Value Locked (TVL) at its peak, generated $5.5M in protocol revenue over the past year, and has established itself as the largest protocol on Sei. Furthermore, we launched the first lending-boosted decentralized exchange (DEX) on Sei, where YeiSwap compounds YeiLend yields to drive over $230M in monthly trading volume and $147M in bridge flow. Clovis is set to expand this successful model by becoming multichain, positioning itself as the cross-chain prime brokerage layer for decentralized finance (DeFi).Who We Are:A dedicated team of builders from esteemed Web3 organizations, including AAVE, Wormhole, Venus Labs, OKX, among others.Supported by leading investors such as Outlier Ventures, Manifold, DWF Ventures, and the Sei Foundation.Collaborating with industry giants like Circle, OKX Wallet, Binance Wallet, Frax, Stargate, and more.The Opportunity:We are on the lookout for a highly skilled Senior Engineer to become part of our core development team and take charge of the design and implementation of our next-generation cross-chain lending protocol. This role will emphasize smart contract security and architecture, as well as the development of essential off-chain services that guarantee the protocol’s efficiency and strength.What You’ll Do:Design, develop, and refine DeFi protocols on EVM-compatible chains, prioritizing contract architecture, security, gas optimization, and upgradability.Create crucial backend and off-chain services using Go or Python, including monitoring systems, liquidation bots, and liquidity rebalancers.Address cross-chain integration challenges, ensuring atomicity, data consistency, and reliable asset bridging in an asynchronous environment.Rapidly iterate in an Agile environment and produce comprehensive documentation and system architecture diagrams.Who You Are:Startup-oriented: Thrives in a dynamic, fast-paced environment.

Dec 11, 2025

JAVA Developer

Experience Level

Qualifications

About the job

About Neoris

Similar jobs