**Cryptio** Cryptio is an enterprise-grade crypto back-office platform. Our software helps financial institutions, corporates and crypto-native companies navigate the fragmented digital-asset landscape with confidence. We have raised $26m to date and are backed by tier-1 crypto and non crypto investors: Point Nine, 1kx, BlueYard, Tim Draper, Alven and Ledger Cathay. Some of our clients include top institutions like Circle, Uniswap or the Government of El Salvador. We're tackling one of the biggest challenges in crypto right now - building the infrastructure to help institutional adoption. And we're playing to win. **Location** Although you can **work from home 100%** of the time, for this role we'd like to find someone who is based in the **UK** has easy access to our hubs in **London and Paris**. **The role** Cryptio is looking for a junior software engineer interested in working on crypto / finance / accounting related products. You will initially join our Integrations Squad, where you'll build essential connectors to third-party services like exchanges (Coinbase, Binance…), custodians (BitGo, Fireblocks…) and order execution management systems (Talos, Wyden…). In this role, you’ll develop TypeScript-based connectors which transform third party data and enable seamless data flow between these platforms and our core systems. As part of our cross-team collaboration initiative, you'll eventually have the opportunity to contribute to our Data Squad, leveraging your programming expertise to Python-based indexers. This dual-role position allows you to gain a comprehensive understanding of the two main ways data is imported into our product. You'll discover more about the crypto ecosystem by working on different componwents, with complementary skills that help you gain ownership and autonomy in your work. This is an excellent opportunity to develop subject-matter expertise while working with cutting-edge financial technologies. **Technologies used:**

*   TypeScript (key dependencies: Axios, Zod, Nest.js)
*   Python (when contributing to the Data Squad)
*   Redis
*   S3
*   Kubernetes on AWS, Docker, GitLab… (modern development stack)

**What's special about this role?** You'll be at the forefront of creating reliable connections between our platform and an expanding network of cryptocurrency services. This role provides unique exposure to the complexities of integrating with dynamic data sources across the cryptocurrency ecosystem. As you develop expertise in building connectors, you'll have future opportunities to work on more advanced projects like building indexers - specialized components that gather and process blockchain data. The crypto ecosystem is fast-paced, with constant changes in APIs and platform-specific data structures. As part of our integration team, you'll learn how to implement robust solutions that handle real-time data syncing and overcome challenges like data inconsistencies. **What You'll Be Doing**

*   Write clean, maintainable TypeScript code
*   Write clean, maintainable Python
*   Implement new integrations with cryptocurrency exchanges and platforms
*   Document and test your code thoroughly
*   Work closely with senior engineers and product teams to understand integration requirements
*   Map various data structures to our unified data model
*   Help monitor integration health and identify issues
*   Learn about signature mechanisms, authentication methods, and best practices for API integrations

**We're Looking For Someone Who Has**

*   2+ years of experience writing software
*   Familiarity with TypeScript and Python
*   Basic understanding of REST APIs and HTTP concepts
*   Interest in learning about OAuth, JWT, and other authentication methods
*   Excellent spoken and written English
*   Strong desire to learn and grow technically
*   Collaborative mindset - you'll be working closely with experienced team members
*   Interest in the crypto and fintech industry

**Interview Process**

*   Talent Screen - 30 min
*   Technical Interview - 90 min
*   Team Interview - 45 min
*   Leadership Interview - 45 min

**Benefits** ✨ **Fully-Remote / Hybrid** – The choice is yours! 🌍🏡 🎉 **25 Days Paid Holiday** + **Bank Holidays** 🎂 Your **Birthday Off** ⭐️ **Earnan extra day of annual leave** for every year you're at Cryptio 🎁 🧠 Access to **Mental Health, Wellbeing, and Coaching** 🌿🎯 👶 **Attractive Maternity and Paternity Policies** for your growing family 👨‍👩‍👧‍👦 💪 **Gym Classes or Spa Treatments** with ClassPass (or gym reimbursements)! 🧘‍♂️🧖‍♀️ 💻 **Apple MacBook Pro** – The best tech at your fingertips! 💻✨ 💵 **$200 Workplace Budget** to create your perfect home office! 🏠💼 📚 **Training and Development Budget** – Invest in yourself and grow! 🚀

*   UK have these additional benefits: 4% Pension Contributions towards your future + Private Medical & Dental Insurance with Allianz.

Junior Software Engineer (Integration Team)

StackAdapt is the leading technology company that empowers marketers to reach, engage, and convert audiences with precision. With 465 billion automated optimizations per second, the AI-powered StackAdapt Marketing Platform seamlessly connects brand and performance marketing to drive measurable results across the entire customer journey. The most forward-thinking marketers choose StackAdapt to orchestrate high-impact campaigns across programmatic advertising and marketing channels. We're looking to add Senior and Staff Machine Learning Engineers to our Data Science team! This team works on solving complex problems for StackAdapt's digital advertising platform. You'll be working directly with our Data Scientists, Machine Learning engineers, Engineering teams, and our CTO/Co-Founder on building pipelines and ad optimization models. With databases that process millions of requests per second, there's no shortage of data and problems to tackle. Want to learn more about our Data Science Team: https://alldus.com/ie/blog/podcasts/aiinaction-ned-dimitrov-stackadapt/ Learn more about our team culture here: https://www.stackadapt.com/careers/data-science Watch our talk at Amazon Tech Talks: https://www.youtube.com/watch?v=lRqu-a4gPuU StackAdapt is a Remote First company, and we are open to candidates located anywhere in the UK for this position. **What you'll be doing:**

*   Design modular and scalable real time data pipelines to handle huge datasets
*   Suggest, implement, and coordinate architectural improvements for big data ML pipelines
*   Understand and implement custom ML algorithms in a low latency environment
*   Work on microservice architectures that run training, inference, and monitoring on thousands of ML models concurrently

**What you'll bring to the table:**

*   Have the ability to take an ambiguously defined task, and break it down into actionable steps
*   Ability to follow through complex projects to completion, both by independent implementation and by coordinating others
*   Have deep understanding of algorithm and software design, concurrency, and data structures
*   Experience in implementing probabilistic or machine learning algorithms
*   Experience in designing scalable distributed systems
*   A high GPA from a well-respected Computer Science program or equivalent experience in a competitive, innovative, tech company
*   Enjoy working in a friendly, collaborative environment with others

**StackAdapters enjoy:**

*   Competitive salary
*   Private Medical Insurance cover
*   Auto-enrolment into the company pension scheme
*   Work from home reimbursements
*   Coverage and support of personal development initiatives (conferences, courses, etc)
*   An awesome parental leave policy
*   A friendly, welcoming, and supportive culture
*   Our social and team events (virtually!)
*   Take part in our walk and wander policy and work anywhere in the world for up to 90 days a year

If this role speaks to you then please apply - we'd love to speak with you. Due to a high volume of interest, only those shortlisted for interview will be contacted. _StackAdapt is a diverse and inclusive team of collaborative, hardworking individuals trying to make a dent in the universe. No matter who you are, where you are from, who you love, follow in faith, disability (or superpower) status, ethnicity, or the gender you identify with (if you’re comfortable, let us know your pronouns), you are welcome at StackAdapt. If you have any requests or requirements to support you throughout any part of the interview process, please let our Talent team know._ **About StackAdapt** We've been recognized for our diverse and supportive workplace, high performing campaigns, award-winning customer service, and innovation. We've been awarded: Ad Age Best Places to Work 2024 G2 Top Software and Top Marketing and Advertising Product for 2024 Campaign’s Best Places to Work 2023 for the UK 2024 Best Workplaces for Women and in Canada by Great Place to Work® #1 DSP on G2 and leader in a number of categories including Cross-Channel Advertising

Machine Learning Engineer

_Prolific_ Prolific is not just another player in the AI space – we are the architects of the human data infrastructure that's reshaping the landscape of AI development. In a world where foundational AI technologies are increasingly commoditized, it's the quality and diversity of human-generated data that truly differentiates products and models. _The role_ _We're looking for a Data Engineer to build and optimise scalable data pipelines, ensuring our teams have access to high quality, reliable data. You will work closely with data scientists, analysts and engineers to enhance data workflows and drive impact insights across the business._ _What you'll bring to the role_

*   **Technical Expertise**: 2+ years of hands on experience deploying production quality code with proficiency in Python for data processing and related packages.
*   **Data Infrastructure Knowledge**: Deep understanding of SQL and analytical data warehouses (Snowflake, Redshift preferred) with proven experience implementing ETL/ELT best practices at scale.
*   **Pipeline Management**: Hands on experience with data pipeline tools (Airflow, dbt) and strong ability to optimise for performance and reliability.
*   **API Development Experience**: Ability to design and develop robust data APIs and services that expose data to applications, bridging analytical and operational systems.
*   **Data Modelling**: Strong data modelling skills and familiarity with the Kimball methodology to create efficient, scalable data structures.
*   **Quality Focus**: Commitment to continuously improving product quality, security, and performance through rigorous testing and code reviews.
*   **Documentation**: Meticulous approach to creating and maintaining architecture and systems documentation.
*   **Collaborative Mindset**: Ability to work across teams to understand and address diverse data needs while maintaining data integrity.
*   **Growth Orientation**: Desire to continually keep up with advancements in data engineering practices and technologies.
*   **Problem-Solving**: Exceptional analytical skills to troubleshoot complex data issues and implement effective solutions.
*   **Independence**: Capability to ship medium features independently while contributing to the team's overall objectives.

_What you'll be doing in the role_

*   **Data Pipeline Development**: Build and maintain robust data pipelines from internal databases and SaaS applications ensuring timely and accurate data delivery.
*   **Data Warehouse Management**: Maintain our data warehouse with high-quality, well-structured data that supports analytics and business operations.
*   **System Architecture**: Design and implement scalable data infrastructure that accommodates our growing data volume and complexity.
*   **Data Service Development**: Create and maintain APIs and micro services that expose data to applications, enabling seamless integration between data systems and business applications.
*   **Data Quality Assurance**: Establish processes and tools to monitor data quality, identify issues, and implement fixes promptly.
*   **Technical Documentation**: Create and maintain comprehensive documentation of data flows, models, and systems for knowledge sharing.
*   **Cross-functional Collaboration**: Work closely with analytics, research, and product teams to ensure their data needs are addressed effectively.
*   **Best Practices Implementation**: Implement and advocate for data engineering best practices across the organisation.
*   **System Scaling**: Plan and execute system expansion as needed to support the company's growth and evolving analytical needs.
*   **Performance Optimisation**: Continuously optimise data pipelines and warehouse performance to improve efficiency and reduce costs.
*   **Security and Compliance**: Ensure all data systems adhere to security best practices and compliance requirements.

_Why Prolific is a great place to work_ We've built a unique platform that connects researchers and companies with a global pool of participants, enabling the collection of high-quality, ethically sourced human behavioral data and feedback. This data is the cornerstone of developing more accurate, nuanced, and aligned AI systems. We believe that the next leap in AI capabilities won't come solely from scaling existing models, but from integrating diverse human perspectives and behaviors into AI development. By providing this crucial human data infrastructure, Prolific is positioning itself at the forefront of the next wave of AI innovation – one that reflects the breath and the best of humanity. Working for us will place you at the forefront of AI innovation, providing access to our unique human data platform and opportunities for groundbreaking research. Join us to enjoy a competitive salary, benefits, and remote working within our impactful, mission-driven culture. _Links to more information on Prolific_ **Benefits** External Handbook Website Youtube _Privacy Statement_ By submitting your application, you agree that Prolific may collect your personal data for recruiting and global organisation planning. Prolific's Candidate Privacy Notice explains what personal information Prolific may process, where Prolific may process your personal information, its purposes for processing your personal information, and the rights you can exercise over Prolific use of your personal information.

Data Engineer

**About The Organization** Armed Conflict Location & Event Data (ACLED) is a disaggregated data collection, analysis, and crisis mapping institution. The ACLED team collects conflict information; conducts analysis to describe, explore, and test conflict scenarios; and makes both data and analysis open for free use by the public. ACLED’s work is regularly used to inform journalism, academic research, and public discourse on conflict, and to support practitioners and policymakers. ACLED is the highest quality and most widely used real-time data and analysis source on political violence and protest around the world. The role ACLED is recruiting a Full Stack Developer to focus on API development and integration, website enhancement, and scalable system architecture. You will play a key role in developing high-impact tools and interfaces that make ACLED’s content and data accessible, performant, and actionable for global users. This includes front-end user interfaces, API services, performance optimization, and DevOps workflows. The position reports to the Enterprise Architect. It is fully remote, and candidates from all locations are encouraged to apply. For more information, please review the Applicant FAQs. The start date for the position is July 2025. Specific roles and responsibilities The Employee is expected to contribute to both the front-end development of the ACLED website as well as the API products. The Employee is required to perform the following duties and undertake the following responsibilities in a professional manner: API Development & Management

*   Develop and implement APIs that are scalable and maintainable, and align with industry standards, ensuring seamless integration with existing systems to align with ACLED’s branding and long-term data access strategy.
*   Ensure that APIs are secure by implementing robust authentication and authorization mechanisms, protecting sensitive data from unauthorized access.
*   Configure and manage API gateways to ensure secure and efficient handling of API traffic, including tasks such as traffic management, authentication and authorization, monitoring, and API versioning.
*   Regularly monitor API performance, promptly troubleshoot issues, and optimize code to enhance efficiency and scalability.
*   Ensure APIs adhere to secure coding standards and OWASP guidelines, and participate in remediation efforts following penetration testing or security audits.
*   Integrate APIs with internal and external systems, enabling programmatic data consumption and partner integrations.
*   Collaborate on BCP and DR planning and testing to ensure API systems remain available, secure, and recoverable in the event of outages or incidents.

Web & Front-End Development

*   Build and maintain modern web interfaces and data access tools that integrate seamlessly with ACLED’s APIs and datasets.
*   Collaborate with external vendors and internal stakeholders on ACLED’s website, integrating new front-end features as needed.
*   Lead the design and development of custom applications and dashboards for internal teams and public users.
*   Apply best practices in responsive design, usability, and accessibility (WCAG 2.1 AA).
*   Conduct performance audits and optimization using tools like Lighthouse, ensuring fast load times, SEO performance, and a high-quality user experience.
*   Collaborate with external security vendors to support regular penetration testing, and apply security best practices to mitigate vulnerabilities in the website and its applications.
*   Support Business Continuity Planning (BCP) and participate in Disaster Recovery (DR) drills to ensure website availability and resilience under failure conditions.
*   Test and adjust web applications to function consistently across different browsers and devices, providing a uniform experience for all users.

DevOps & Deployment

*   Build and maintain automated CI/CD pipelines for web and API projects.
*   Manage containerized deployments using Docker and/or Kubernetes.
*   Deploy and monitor applications across cloud infrastructure (e.g., AWS or DigitalOcean), ensuring scalability and uptime.
*   Ensure operational performance, reliability, and data protection across all digital services.

Collaboration & Growth

*   Work closely with data scientists, researchers, and other developers to understand evolving needs and translate them into scalable solutions.
*   Proactively propose new features, integrations, or optimizations to improve the user experience and internal workflows.
*   Continuously research and implement new technologies, tools, and best practices to keep the application modern and competitive.

Skills and competencies ACLED is seeking applicants who have the following skills and experience: _Required:_

*   University degree in Computer Science, Software Engineering, or a related field.
*   3-5 years of professional experience as a Full Stack Developer or similar role.
*   Strong knowledge of PHP, JavaScript, React, NEXT.js, HTML/CSS, and responsive UI frameworks.
*   Experience building scalable RESTful APIs using Python, Java, Golang, PHP, Node.js, or similar.
*   Familiarity with modern web performance tools and SEO optimization strategies.
*   Solid understanding of authentication flows (e.g., OAuth 2.0, JWT, and SAML), and web security standards.
*   Experience with CI/CD, GitHub workflows, and automated deployment pipelines.
*   Proficiency in Docker, cloud services (AWS/ DigitalOcean), and container orchestration (Airflow).
*   Familiarity with database design and integration (e.g., PostgreSQL, MySQL, MongoDB).
*   Experience supporting Business Continuity Planning (BCP) and Disaster Recovery (DR) activities for web and API systems.
*   Knowledge of web and API security best practices, including experience applying recommendations from penetration testing.
*   Experience with cloud platforms like AWS.
*   Fluency in English.
*   Reliable with strong problem-solving skills.
*   An extremely high level of attention to detail.
*   Ability to work remotely and meet deadlines with limited supervision.
*   Flexible team player, especially across a remote, global team.

_Desirable:_

*   Possession of a cloud architecture certification (e.g., AWS Certified Solutions Architect, Google Cloud Professional Architect, or equivalent) is a strong plus.
*   Familiarity with Drupal-based CMS architecture.
*   Experience integrating geospatial/mapping tools (e.g., Mapbox).
*   Exposure to Apache Airflow or other workflow orchestration tools.
*   Experience working with third-party security audit firms and implementing remediations based on penetration test reports.
*   Experience with serverless architecture (e.g., AWS Lambda) and cost-optimized cloud hosting strategies.
*   Experience with API management platforms and gateway technologies (e.g., AWS API Gateway).
*   Interest in conflict data, humanitarian tech, or open data platforms.
*   Strong desire to grow into a Solution Architect or technical lead role.

Applications: To apply, please submit a CV and cover letter detailing your qualifications, experience, and salary requirements. Please also submit a sample of your work in the form of a web-based application, including the corresponding codebase (if possible). A working version of the app is preferred (either via an active link or a locally servable demo). Further information on the organization is available online at acleddata.com. Applications will be reviewed on a rolling basis. Interested candidates are advised to apply early.

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