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Experience Level
Experience
Qualifications
Proficiency in Python programming language. Experience with web frameworks such as Django or Flask. Knowledge of RESTful APIs and microservices architecture. Familiarity with database management systems such as PostgreSQL or MySQL. Ability to work collaboratively in a team environment. Strong problem-solving skills and attention to detail.
About the job
About the Role
Neoris is hiring a Python Developer in Madrid. This role focuses on building scalable applications and tools that support business operations and drive efficiency. Collaboration with teams from different functions is a key part of the work.
What You Will Do
Design, implement, and maintain software solutions using Python
Work with colleagues across departments to understand needs and deliver effective tools
Contribute to projects that improve processes and operational performance
Location
This position is based in Madrid, Spain.
About Neoris
Neoris is a global consulting firm specializing in digital transformation and technology solutions. With a strong presence in Madrid, we pride ourselves on our commitment to innovation and excellence. Join us and be part of a dynamic environment where your ideas and contributions are valued.
Please submit your CV in English and include your English proficiency level. Mindrift connects experienced professionals with project-based AI assignments for major technology companies. The work centers on evaluating, testing, and improving AI systems. This is a freelance, project-based position rather than a permanent role. Role overview This freelance Dat…
We invite you to submit your CV in English and specify your English proficiency level.Mindrift connects talented professionals with project-based opportunities in AI for top tech companies, with a focus on testing, evaluating, and enhancing AI systems. Please note that this is a project-based role rather than a permanent position.Role Overview:While each project presents distinct challenges, contributors may be tasked with:Crafting original computational physics challenges that emulate genuine physics research workflows;Developing problems that necessitate Python programming for solutions (utilizing libraries such as Numpy, SciPy, Sympy);Ensuring that the problems are computationally intensive and cannot be manually resolved within a reasonable time frame (days/weeks);Creating problems that require complex reasoning in areas such as mechanics, electromagnetism, thermodynamics, and quantum mechanics;Formulating challenges based on authentic research issues or practical applications in physics;Validating solutions using Python with standard physics simulation libraries;Providing comprehensive documentation for problem statements along with verified correct answers.Qualifications:This opportunity is ideal for optical engineers with Python experience who are open to part-time, non-permanent projects. Preferred qualifications include:A degree in Physics (Theoretical, Experimental, or Computational) or related disciplines;Proficiency in Python for numerical validation. Familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, domain-specific libraries, Stata, or knowledge of any programming language can be regarded as equivalent;At least 2 years of professional experience, which may include applied, research, or teaching roles;Experience in numerical simulation methods;Capability to design problems that reflect real-world physics research workflows;Innovative thinking in problem design across various physics sectors;Understanding of physics modeling and approximation techniques;Strong written English skills (C1+).Application Process:Apply → Complete qualifications → Join a project → Execute tasks → Receive payment.Project Commitment:For this project, tasks are estimated to demand approximately 10–20 hours per week during active phases, depending on project needs. This is an estimate and not a guaranteed workload, applicable only while the project is in progress.Compensation:Contributors can earn up to $29 per hour, based on their contribution level and pace. Compensation may differ across projects according to scope, complexity, and required expertise. Be aware that other projects on the platform may present varying earning levels based on their requirements.
About UsAt Perk, we are revolutionizing travel and spend management through our intelligent platform designed to eliminate tedious manual tasks. Our innovative tools automate everything from travel bookings to expense management, enabling employees to focus on what truly matters. With a mission to boost productivity and foster innovation, we aim to tackle the $1.7 trillion problem of lost productivity, which costs employees an average of 7 hours of productivity each week.Founded in 2015, Perk has rapidly grown to over 1,800 employees across 12 offices worldwide, with our headquarters situated in London and Boston. Our commitment to innovation, simplicity, and control shapes how businesses operate and improves employee satisfaction.We uphold values like ownership, delivering a stellar 7-star experience, and teamwork. At Perk, we believe in the power of curiosity, purpose, and mindset in unlocking your full potential. Our diverse talent team comprises experts from the travel and SaaS industries across 70+ countries. If you are passionate about making a significant impact and transforming the work experience for millions, we invite you to join our team.To learn more about us, visit www.perk.com.In the Platform function at Perk, we establish the foundational infrastructure that supports our entire organization. We manage shared infrastructure, core services, and developer tools that empower product teams to innovate swiftly while ensuring stability. Our contributions may be behind the scenes, but their effects are felt throughout the company in terms of reliability, scalability, security, and developer experience.
We invite you to submit your CV in English, along with your level of English proficiency.Mindrift connects talented professionals with project-based AI opportunities for top technology companies, focusing on the testing, evaluation, and enhancement of AI systems. This is a project-based engagement, not a permanent position.Opportunity OverviewEach project presents unique challenges, and contributors may be involved in tasks such as:Crafting original computational engineering problems that emulate real-world engineering processes;Developing programming challenges using Python to carry out engineering calculations and simulations;Ensuring that problems are computationally demanding and necessitate numerical methods or iterative solutions;Creating scenarios involving system design, optimization, and analysis;Formulating problems based on genuine research challenges or real-world engineering applications;Validating solutions using Python with standard engineering libraries;Clearly documenting problem statements and providing verified correct answers.Candidate ProfileThis role is suitable for engineers with experience in Python, looking for part-time, non-permanent project work. Ideal candidates will possess:A degree in Electrical Engineering or related disciplines;Proficiency in Python for numerical validation. Familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or any programming language is acceptable;At least 2 years of professional experience, including applied, research, or teaching roles;A solid understanding of practical engineering limitations and approximations;Excellent written English skills (C1 or higher);Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience with international or applied projects is a plus.Application ProcessApply → Pass qualifications → Join a project → Complete tasks → Get compensatedProject Time CommitmentTasks for this project are estimated to require approximately 10-20 hours per week during active phases, depending on project demands. This is an estimate and not a guaranteed workload.CompensationParticipants can earn up to $31 per hour, based on their experience and contribution pace. Compensation varies across different projects based on scope, complexity, and required expertise. Please note that other projects on the platform may offer different compensation levels based on their specific requirements.
Are you ready to take your software engineering career to the next level? Join dLocal as a Senior Software Engineer and become part of an innovative team that empowers global brands to seamlessly collect payments in over 40 emerging markets. In this talent pool, you can express your interest in future opportunities within our IT Team. We are looking for passionate engineers who thrive in a dynamic environment and are eager to tackle challenges head-on. As a valued member of our team, you will contribute to projects that impact millions of lives while collaborating with over 1000 diverse professionals from more than 30 nationalities.
Full-time|On-site|Madrid, Spain, London, United Kingdom, Copenhagen, Denmark
Managing expenses can often be chaotic and cumbersome, creating challenges not only for finance teams but for every individual involved. At Pleo, we are on a mission to revolutionize this experience. Our innovative spend management solutions streamline financial processes, making them efficient, empowering, and surprisingly effective for both finance teams and employees—our goal is to help businesses 'go beyond'.The name 'Pleo' translates to 'more than you’d expect', and living by this principle has been our key to success over the past decade.We are currently at a crucial stage in our evolution; every action we take has a significant impact on our 40,000+ clients, our business trajectory, and our shared success. We seek individuals who take pride in identifying customer needs, transforming complex challenges into straightforward solutions, respectfully questioning established methods, and aspiring to achieve greatness. With ambitious goals propelling us forward, we acknowledge that we haven't mastered everything yet—and that’s part of the excitement! We are a dedicated, forward-thinking, and importantly, kind team of over 850 individuals from more than 100 nationalities, all committed to shaping the future of business spending together.About the RoleWe are in search of a Senior Software Engineer to become a key member of our Demo Experience Platform team at Pleo. In this role, you will empower various internal customers and stakeholders to engage with, test, and demonstrate Pleo through our demo and sandbox environments, contributing to Pleo’s Platform organization. If you are enthusiastic about enhancing our sales demo experience, boosting our sales conversion rates, streamlining our product development processes, or facilitating seamless integrations within our API ecosystem, this opportunity is tailored for you!You will report to our Senior Engineering Manager and collaborate closely with teams across multiple departments, particularly in Go-to-market, to drive success. Our tightly-knit team of four is highly collaborative and committed to optimizing the demo experience for Pleo.Key ResponsibilitiesAs a Senior Software Engineer in our Demo Experience team, you will:Lead initiatives to design, develop, and maintain innovative solutions that enhance efficiency across various departments.Collaborate with cross-functional teams to identify improvement opportunities for demo, sandbox, and testing account experiences.Engage in code reviews, conduct post-mortems, and provide mentorship to fellow engineers.Proactively tackle technical debt while guiding the team through technical challenges and migrations.Contribute to the execution, delivery, and quality assurance of projects.
Ebury empowers ambitious businesses to achieve global growth, and we apply the same philosophy towards our team members. We promote innovation, collaboration, and problem-solving within a culture that values belonging, support, and empowerment for everyone to succeed.If you are a collaborative individual eager to revolutionize business operations globally, we invite you to connect with us. Let's discuss how Ebury can elevate your career and help you shape the future.Senior Full-Stack Developer - FintechMálaga Office - Hybrid: 4 days in the office, 1 day remoteBecome a part of our Technology Team at Ebury’s Málaga Office.Impact-Driven Senior Full-Stack Developer Needed: Shape the Future of Our Client Platform with Your ExpertiseAre you passionate about fostering growth in the digital financial ecosystem? Do you thrive in a culture where you can take full ownership of product development and focus on results? Elevate our client trading and payments platform as a Senior Full-Stack Developer and deliver top-notch solutions to our global clients alongside our vibrant teams in South America and Europe.We seek individuals with the right attitude, a strong work ethic, and an entrepreneurial spirit who are willing to tackle challenging questions. You should be guided by data while being driven to solve customer issues. A natural curiosity and a commitment to continuous learning are essential. You should be proficient in various programming languages, frameworks, and tools, with well-informed opinions on the best solutions to address our most significant challenges.Why Join Ebury?Looking to thrive in a high-growth environment? We are in a constant state of expansion. Do you aspire to create a better world? We advocate for inclusion and stand firm against all forms of discrimination. We have zero tolerance for intolerance and celebrate the diversity that contributes to our success as a modern organization.At Ebury, you will find an internal group dedicated to discussing how to promote a diverse and inclusive workplace for all members of the Technology Team. If you’re excited about this job opportunity but feel your background doesn’t perfectly align with the job description, we encourage you to apply anyway. You might be the ideal candidate for this or other positions we have available.Prepare to Elevate Your Career:In our Tech team, your professional growth is paramount. Thanks to our career development programs, you will have the opportunity to advance your skills and expertise.
Join NielsenIQ as a Senior Antibot Engineer and play a pivotal role in enhancing the security and functionality of our systems. You will be responsible for developing sophisticated antispam and antibot solutions that protect our data integrity and improve user experience. Collaborate with cross-functional teams to identify vulnerabilities and implement robust measures against automated threats.
Join our dynamic team at Kantox as a Senior Elixir Software Engineer in beautiful Barcelona! As a key player in our software engineering team, you'll contribute to our innovative platform, primarily built on Ruby on Rails, while also leveraging Elixir and Elixir/Phoenix.We pride ourselves on a collaborative culture that embraces diverse perspectives and believes in continuous improvement. Our engineering philosophy is centered around teamwork, where we challenge each other to enhance our knowledge and practices.Your ResponsibilitiesEnsure the stability and performance of our codebase, addressing application issues proactively.Design, implement, and test new features while managing maintenance and upgrades.Conduct code reviews to enhance the skills of your peers, ensuring efficient and effective requirements.Participate in support rotations, providing timely assistance to colleagues.Contribute ideas for process improvements, engage in technical discussions, and maintain thorough documentation.Your ProfileMinimum 4 years of experience as a Senior-level engineer proficient in Elixir.A collaborative team player with the ability to build consensus while being open to feedback.Strong advocate for automated testing, with a solid understanding of test-driven development.Adept at breaking down complex features into manageable tasks for agile sprints.Committed to continuous improvement and self-driven with minimal supervision.Understanding of balancing short-term tasks with long-term sustainability.A passion for technology and engagement with fellow engineers to drive excellence.A University degree in Computer Science (Master’s preferred) or equivalent experience.
Role Summary Join our innovative team at ResilientCo as a Senior Flutter Frontend Engineer, where you will play a pivotal role in shaping the architecture and advancement of our Flutter mobile applications. You will be responsible for designing scalable user interface systems, mentoring junior engineers, ensuring adherence to performance and accessibility standards, and significantly influencing our technical strategy across the product.As a Senior Engineer, you will take ownership of complex projects, tackle high-impact challenges, and redefine how we approach frontend application development using the Flutter SDK.
Join our dynamic team at Affirm as a Senior Backend Software Engineer specializing in the Merchant Data Platform. In this fully remote role based in Spain, you will play a crucial part in designing and implementing scalable backend systems that enhance our merchant services. Collaborate with cross-functional teams to drive innovation and optimize our platform for superior performance.
Toloka AI seeks a freelance AI trainer with experience in civil engineering and Python programming. This role focuses on training AI systems by combining technical engineering knowledge with hands-on coding skills. Responsibilities Use civil engineering expertise and Python programming to support AI training projects. Handle a variety of assignments that help advance AI technology. Collaborate with an international team while working remotely. Location This position is fully remote, based in València, Valencian Community, Spain.
Join Affinity as a Software Engineer II, where you will contribute to innovative projects in a dynamic tech environment. You will collaborate with cross-functional teams to design, develop, and implement cutting-edge software solutions. This role is perfect for individuals who are passionate about technology and eager to take their skills to the next level.
About Us: At Emburse, we don’t just envision the future—we actively create it. As a frontrunner in travel and expense management solutions, we are dedicated to harnessing the power of technology to deliver exceptional business value and inspire remarkable outcomes. Our AI-driven platform empowers organizations to modernize their financial operations, enhance visibility, and optimize expenditures across the entire enterprise.We are seeking a dedicated and skilled software engineer to join our dynamic team at Emburse. In this senior role, you will play a pivotal part in developing a cohesive and interactive suite of system solutions. Collaborating within an agile development team, you will be responsible for building and refining features of our Enterprise product.
Hello!We are Fever, a pioneering tech platform dedicated to transforming culture and live entertainment.Our mission is clear: to democratize access to culture and entertainment. Through our advanced technology and data-driven strategies, we are changing the way people experience live events. Every month, our platform captivates over 300 million people across more than 40 countries, while empowering event creators to innovate and expand their reach using our tools and insights.Our achievements speak for themselves—we have collaborated with industry giants such as Netflix, F.C. Barcelona, and Primavera Sound, and have been recognized with international awards. It’s an impressive journey, and we’re just getting started!To further our mission, we are in search of exceptional individuals with a proactive approach who are excited to contribute to the future of entertainment!Are you ready to join us on this journey?Now, let’s delve into the specifics of this role and how you can contribute to Fever’s mission.
Join Mitek Systems, a pioneering force in digital and biometric identity verification, fraud prevention, and mobile deposit solutions. With our cutting-edge verified identity platform and advanced image capture technologies, we empower over 7,500 organizations globally. Headquartered in San Diego, California, we operate across the UK, Spain, France, Mexico, and the Netherlands.At Mitek, we champion diversity, believing that a rich array of ideas and experiences enhances our teams' effectiveness and innovation. Our workforce mirrors the communities we serve, enabling us to meet their needs more effectively. We seek exceptional talent, valuing drive, skill, experience, and ambition in all our endeavors.Embrace the Future of Work with Us! Whether you prefer working remotely from your home office or in-person at one of our locations, we provide the tools and practices for your success. Flexibility is at the core of our work culture.We are in search of a passionate and experienced Mobile Web Developer to join our dynamic development team. In this role, you will contribute to revolutionary products and solutions that transform mobile banking and identity authentication.As part of Mitek's innovative team, you will collaborate with talented engineers to design, integrate, and enhance user-friendly mobile web SDKs and applications.
About UsConstructor is revolutionizing the ecommerce landscape with our next-generation search and discovery platform designed to enhance crucial metrics such as revenue, conversion rates, and profitability. Our proprietary search engine, developed entirely in-house, leverages advanced technologies like transformers and generative LLMs to deliver exceptional search experiences, personalized recommendations, and intelligent shopping agents. As the largest department within our organization, our engineering team is dedicated to maintaining the superiority of our technology, consistently outperforming competitors in A/B testing. Our platform is engineered for extreme scalability, handling over 1 billion queries daily across 150 languages and about 100 countries, serving major ecommerce players like Sephora, Under Armour, and Petco. We pride ourselves on our problem-solving capabilities and commitment to improving the experiences of both our customers and colleagues, fostering a culture centered on empathy, openness, curiosity, and continuous improvement. Founded in 2019 by Eli Finkelshteyn and Dan McCormick, Constructor is a U.S.-based company leading the charge in AI innovation.About the TeamThe Experiments team at Constructor is responsible for creating a robust experimentation platform that includes traffic allocation, exposure logging, metric computation, statistical analysis, and user interfaces for launching experiments and interpreting results. Our platform is designed for both internal use and by customers conducting experiments with live traffic, focusing on enhancing the speed, reliability, and interpretability of experiments. Unlike conventional experimentation tools, our platform must accommodate a diverse range of customer integrations, traffic patterns, and industry-specific constraints, presenting unique engineering challenges that have significant real-world implications.The RoleThis position primarily focuses on backend development (Python services and data-intensive systems). While you will occasionally engage with the Dash UI and contribute to Spark jobs, these areas are not the central focus of the role. We prioritize correctness, observability, and product usability over complex infrastructure.Technologies: Python, FastAPI, PostgreSQL, Plotly Dash, PySpark/Databricks, AWS, CloudWatch, Sentry. (Note: Spark-related work constitutes approximately 5–10% of the role — we do not expect you to be a data engineer or manage the data platform.)What You’ll DoDevelop and maintain backend services for experiment assignment, logging, and report generation.Enhance the scalability, performance, and reliability of experiment reporting pipelines.Implement product-facing features in the UI to assist users in launching experiments and analyzing results.
Join Mitek Systems, a pioneering force in digital and biometric identity authentication, fraud prevention, and mobile deposit solutions. Our cutting-edge identity platform and advanced image capture technologies leverage the latest developments in biometric recognition, AI, computer vision, and machine learning, earning the trust of over 7,500 organizations globally. Headquartered in San Diego, California, we also operate in the UK, Spain, France, Mexico, and the Netherlands. Explore our innovations at www.miteksystems.com.At Mitek, we value diversity and believe that a wide range of ideas and experiences enhances our resilience, effectiveness, and innovation. Our strength lies in the talent that drives our organization.We aim to reflect the diversity of our communities and customers, which enriches our understanding and helps us serve their needs more effectively. We are dedicated to recruiting exceptional talent and providing an environment where they can thrive. Our focus on skill, experience, and ambition is paramount in our pursuit of excellence.Flexible Work Environment! Whether you prefer the convenience of a home office or the collaboration of our physical offices, our processes and tools are designed to support your success. At Mitek, we believe in a flexible work culture that adapts to your preferences.As a Senior Full Stack Software Engineer at Mitek, you will be integral to the evolution of our products and solutions, playing a key role in transforming mobile banking and identity authentication markets. Your contributions will enhance our software offerings, driving innovation and efficiency.
Join Aircall, an innovative unicorn transforming customer communications through AI-powered solutions utilized by over 22,000 businesses globally. Our platform unifies voice, SMS, WhatsApp, and AI into a cohesive workspace that enhances efficiency and revenue.With a mission to empower teams to operate smarter, Aircall’s AI Voice Agent automates routine calls while AI Assist and AI Assist Pro provide streamlined processes and real-time assistance, enabling teams to achieve remarkable results.Headquartered in Paris, Aircall has a robust presence in North America with a headquarters in Seattle and teams across cities including Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. Our rapidly growing business is supported by leading investors and driven by continuous AI innovation across our diverse product lines.Culture at Aircall: We prioritize customer focus, data-driven decision-making, and the delivery of impactful outcomes. Our values include ownership, continuous learning, and a commitment to thoughtful execution. If you thrive in a collaborative and fast-paced environment where trust and impact are prioritized, you will find your place here.We are seeking an enthusiastic and dedicated Senior Software Engineer to contribute to our expanding Communication Platform department as part of the Number Management team. In this role, you will spearhead the design, development, deployment, and maintenance of essential features that significantly enhance customer value.You will actively promote best practices and mentor colleagues within your team and across the engineering department.Our commitment to quality, excellence, and agility is central to our delivery processes, and you will play a vital role in elevating these standards.
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.
