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        Api
        Cardiff
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        R&D Engineer - Remote

        MailerLite
        UK
        From £37,000 to £63,000 per annum (renumeration is paid in USD)
        MCP & API development: Maintain and develop our MCPs and extend MailerLites capabilities * API & System knowledge: REST APIs, webhooks, distributed systems design
        MCP & API development: Maintain and develop our MCPs and extend MailerLites capabilities * API & System knowledge: REST APIs, webhooks, distributed systems design
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        These jobs might also interest you

        As a Senior Data Scientist in our Defence business unit you will lead project teams that deliver bespoke algorithms to our clients across the defence and national security sector. You will play an important role in the development of others at Faculty by acting as the designated mentor of a small number of data scientists, and by supporting the professional growth of data scientists on the project team. * Senior experience in either a professional data science position or a quantitative academic field * A leadership mindset focussed on growing the technical capabilities of the team; a caring attitude towards the personal and professional development of other data scientists; enthusiasm for nurturing a collaborative an
        As a Senior Data Scientist in our Defence business unit you will lead project teams that deliver bespoke algorithms to our clients across the defence and national security sector. You will play an important role in the development of others at Faculty by acting as the designated mentor of a small number of data scientists, and by supporting the professional growth of data scientists on the project team. * Senior experience in either a professional data science position or a quantitative academic field * A leadership mindset focussed on growing the technical capabilities of the team; a caring attitude towards the personal and professional development of other data scientists; enthusiasm for nurturing a collaborative an
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        NEW
        As a Senior Data Scientist in our Defence business unit you will lead project teams that deliver bespoke algorithms to our clients across the defence and national security sector. You will play an important role in the development of others at Faculty by acting as the designated mentor of a small number of data scientists, and by supporting the professional growth of data scientists on the project team. * Senior experience in either a professional data science position or a quantitative academic field * A leadership mindset focussed on growing the technical capabilities of the team; a caring attitude towards the personal and professional development of other data scientists; enthusiasm for nurturing a collaborative an
        As a Senior Data Scientist in our Defence business unit you will lead project teams that deliver bespoke algorithms to our clients across the defence and national security sector. You will play an important role in the development of others at Faculty by acting as the designated mentor of a small number of data scientists, and by supporting the professional growth of data scientists on the project team. * Senior experience in either a professional data science position or a quantitative academic field * A leadership mindset focussed on growing the technical capabilities of the team; a caring attitude towards the personal and professional development of other data scientists; enthusiasm for nurturing a collaborative an
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        As the Lead Data Scientist, youll have an opportunity to shape a technical vision and guide the senior and junior data scientists on your team. This is an exciting opportunity to join Faculty as the most senior data scientist in its recently formed Professional and Financial Services Team. o Formally manage and mentor a number of data scientists, taking responsibility for their career progression and professional growth. o Provide targeted technical support and learning opportunities for data scientists on your project teams. You will also lead project teams delivering enterprise-scale applications for a range of clients, including major banks, asset managers, insurers, law firms, and B2B services. Maintaining ownership of the data science approach, y
        As the Lead Data Scientist, youll have an opportunity to shape a technical vision and guide the senior and junior data scientists on your team. This is an exciting opportunity to join Faculty as the most senior data scientist in its recently formed Professional and Financial Services Team. o Formally manage and mentor a number of data scientists, taking responsibility for their career progression and professional growth. o Provide targeted technical support and learning opportunities for data scientists on your project teams. You will also lead project teams delivering enterprise-scale applications for a range of clients, including major banks, asset managers, insurers, law firms, and B2B services. Maintaining ownership of the data science approach, y
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        NEW

        Lead Data Scientist - Remote

        Exposed Solutions
        W1, Central London
        From £60,000 to £80,000 per annum
        OurclientisbuildingthemostadvancedAIplatformintheirmarket. Theyhelptheirclientsservecustomerswithunmatchedspeedandaccuracy. TheyveinvestedheavilyintobuildingtheMLstack,partneredwithleadinguniversities,andtrainedmodelsonmillionsofexpert-taggedimages. Now,theyrescalinggloballyandneedaworld-classLeadDataScientisttohelppushtheboundariesofcomputervision,videoanalysis,andmultimodalLLMswhilesolvingreal-worldchallenges. RoleOverview - TheyarelookingforanexperiencedLeadDataScientisttospearheadmachine-learninginitiatives,withparticularfocusoncomputervision,largelanguagemodels,andproductionreadyMLpipelinesinAzure. Youwillactasthetechnicalleadfortheteam,settingdirection,guidingbestpractices,andensuringthesuccessfuldeliveryofhigh-impactAIsolutions. KeyResponsibilities - Develop,train,anddeploycomputervisionmodels(objectdetection,imageclassification,segmentation,multi-modallearning
        OurclientisbuildingthemostadvancedAIplatformintheirmarket. Theyhelptheirclientsservecustomerswithunmatchedspeedandaccuracy. TheyveinvestedheavilyintobuildingtheMLstack,partneredwithleadinguniversities,andtrainedmodelsonmillionsofexpert-taggedimages. Now,theyrescalinggloballyandneedaworld-classLeadDataScientisttohelppushtheboundariesofcomputervision,videoanalysis,andmultimodalLLMswhilesolvingreal-worldchallenges. RoleOverview - TheyarelookingforanexperiencedLeadDataScientisttospearheadmachine-learninginitiatives,withparticularfocusoncomputervision,largelanguagemodels,andproductionreadyMLpipelinesinAzure. Youwillactasthetechnicalleadfortheteam,settingdirection,guidingbestpractices,andensuringthesuccessfuldeliveryofhigh-impactAIsolutions. KeyResponsibilities - Develop,train,anddeploycomputervisionmodels(objectdetection,imageclassification,segmentation,multi-modallearning
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        This is an excellent opportunity for a Senior Data Analyst with solid reporting & SQL skills to join a well-established manufacturing firm in a hybrid role based in Walsall, West Midlands. Reporting into the Head of Data & Analytics, you will be working in a small team of data analysts to manage & support the data warehouse applications and reporting dashboards used throughout the company. To be considered for this position, you will have previous experience working as a Data Analyst. This will include MS SQL Server, Excel, VBA, Dynamics 365 (D365 CE and F&O), data reporting, Power BI, and Python. As an experienced Data Analyst, you will have hands on
        This is an excellent opportunity for a Senior Data Analyst with solid reporting & SQL skills to join a well-established manufacturing firm in a hybrid role based in Walsall, West Midlands. Reporting into the Head of Data & Analytics, you will be working in a small team of data analysts to manage & support the data warehouse applications and reporting dashboards used throughout the company. To be considered for this position, you will have previous experience working as a Data Analyst. This will include MS SQL Server, Excel, VBA, Dynamics 365 (D365 CE and F&O), data reporting, Power BI, and Python. As an experienced Data Analyst, you will have hands on
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        FEATURED

        Data Scientist

        McGregor Boyall Associates Limited
        London
        Up to £65000 per annum
        Job Title: Data Scientist (LLMs & ML) - UK Remote - A fast-growing healthcare organization is seeking a Data Scientist with strong experience in machine learning, deep learning, and Large Language Models (LLMs) to help drive innovation and automation in clinical services. * Design robust data pipelines using tools like Spark and Kafka for real-time and batch processing. * Ensure data governance, particularly around sensitive healthcare data. * Understanding of healthcare data privacy, compliance (e.g., ISO standards), and secure data handling. This is a full-time, remote UK-based role. ***Unfortunately we can't consider candidates that require sponsorship*** * Research and deploy LLM-based solutions (e.g., LangChain, Mastra.ai, Pydantic) for document
        Job Title: Data Scientist (LLMs & ML) - UK Remote - A fast-growing healthcare organization is seeking a Data Scientist with strong experience in machine learning, deep learning, and Large Language Models (LLMs) to help drive innovation and automation in clinical services. * Design robust data pipelines using tools like Spark and Kafka for real-time and batch processing. * Ensure data governance, particularly around sensitive healthcare data. * Understanding of healthcare data privacy, compliance (e.g., ISO standards), and secure data handling. This is a full-time, remote UK-based role. ***Unfortunately we can't consider candidates that require sponsorship*** * Research and deploy LLM-based solutions (e.g., LangChain, Mastra.ai, Pydantic) for document
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        Data Scientist

        Walsh Employment
        M1, Manchester
        From £65,000 to £70,000 per annum plus extensive benefits package
        As they scale their operations and enhance data governance across their ecosystem, we are now seeking a Data Scientist with experience in monitoring and alerting infrastructure. We are looking for a proactive and technically strong Data Scientist who can develop and maintain monitoring systems across distributed data pipelines and drive data quality initiatives across multiple teams and projects. As a Data Scientist in this role, you will take the lead on designing and implementing the systems that monitor the health, reliability, and accuracy of core datasets and pipelines. Our client is a pioneering, data-driven company that has been delivering market-shaping insights to the media and research sectors for over a decade. Their cutting-edge platform e
        As they scale their operations and enhance data governance across their ecosystem, we are now seeking a Data Scientist with experience in monitoring and alerting infrastructure. We are looking for a proactive and technically strong Data Scientist who can develop and maintain monitoring systems across distributed data pipelines and drive data quality initiatives across multiple teams and projects. As a Data Scientist in this role, you will take the lead on designing and implementing the systems that monitor the health, reliability, and accuracy of core datasets and pipelines. Our client is a pioneering, data-driven company that has been delivering market-shaping insights to the media and research sectors for over a decade. Their cutting-edge platform e
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        PREMIUM
        Role Data Scientist Start-Up - Are you a talented Data Scientist eager to make an immediate impact on exciting projects? * Analyze complex data sets to uncover actionable insights that influence business strategy. * Collaborate with cross-functional teams to design and implement data-driven solutions. * Proficiency in Python, R, or SQL for data analysis and modeling. * Familiarity with data visualization tools (e.g., Tableau, Power BI, Matplotlib). * Understanding of big data technologies (e.g., Hadoop, Spark) is a plus. * 2+ years of experience in a Data Science or Analytical role. * Strong ability to interpret and communicate complex data findings to non-technical stakeholders. * Experience in data
        Role Data Scientist Start-Up - Are you a talented Data Scientist eager to make an immediate impact on exciting projects? * Analyze complex data sets to uncover actionable insights that influence business strategy. * Collaborate with cross-functional teams to design and implement data-driven solutions. * Proficiency in Python, R, or SQL for data analysis and modeling. * Familiarity with data visualization tools (e.g., Tableau, Power BI, Matplotlib). * Understanding of big data technologies (e.g., Hadoop, Spark) is a plus. * 2+ years of experience in a Data Science or Analytical role. * Strong ability to interpret and communicate complex data findings to non-technical stakeholders. * Experience in data
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        As a Research Engineer, you will build the state-of-the-art systems that power our ambitious, long-term research agenda. As a Research Engineer, you will be designing and implementing novel theories and algorithms in high-performance, scalable code bases. * PhD with a research focus on Machine Learning, Reinforcement Learning, or Multi-Agent Systems. * Leading the engineering direction for complex research projects, establishing best practices for code quality and maintainability, and mentoring junior engineers on the team. At Google DeepMind, were a team of scientists, engineers, machine learning experts and more, working together to advance the state of the art in artificial intelligence. The Game T
        As a Research Engineer, you will build the state-of-the-art systems that power our ambitious, long-term research agenda. As a Research Engineer, you will be designing and implementing novel theories and algorithms in high-performance, scalable code bases. * PhD with a research focus on Machine Learning, Reinforcement Learning, or Multi-Agent Systems. * Leading the engineering direction for complex research projects, establishing best practices for code quality and maintainability, and mentoring junior engineers on the team. At Google DeepMind, were a team of scientists, engineers, machine learning experts and more, working together to advance the state of the art in artificial intelligence. The Game T
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        NEW

        Senior Data Scientist (LLM)

        Oscar Associates (UK) Limited
        London
        £55000 - £75000 per annum
        If you're a hands-on data scientist/engineer looking for your next step, we'd love to hear from you. New Role: Data Science Engineer (LLM Focus)?? We're looking for a Data Science Engineer to join a fast-moving team working on NLP pipelines and data at scale. This is a great opportunity for someone passionate about impactful data work and modern AI tools. 1+ years' experience in data science or engineering. Experience building scalable data pipelines. Bonus: GCP, Docker, geospatial data, Postgres/PostGIS - To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website. Salary: £55,000-£75,000 + share options?? Hybrid / Remote: Flexible b
        If you're a hands-on data scientist/engineer looking for your next step, we'd love to hear from you. New Role: Data Science Engineer (LLM Focus)?? We're looking for a Data Science Engineer to join a fast-moving team working on NLP pipelines and data at scale. This is a great opportunity for someone passionate about impactful data work and modern AI tools. 1+ years' experience in data science or engineering. Experience building scalable data pipelines. Bonus: GCP, Docker, geospatial data, Postgres/PostGIS - To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website. Salary: £55,000-£75,000 + share options?? Hybrid / Remote: Flexible b
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        FEATURED

        Data Consultant

        Fortice Ltd
        London
        From £45,000 to £80,000 per annum Open to candidates of all experience
        As a Data Consultant, you will work with public sector clients to design, build and deliver innovative data solutions. We are looking for a talented Data Consultant with hands-on expertise in AWS and Python to join our growing London team. This role combines technical delivery with stakeholder engagement, making it ideal for consultants who enjoy bridging the gap between data and strategy. Youll help organisations harness their data through scalable cloud platforms, modern data engineering practices, and insightful analytics. * Design and implement data pipelines and architectures in AWS. * Develop solutions using Python for data integration, analysis, and automation. * Work with clients to understand requirements, de
        As a Data Consultant, you will work with public sector clients to design, build and deliver innovative data solutions. We are looking for a talented Data Consultant with hands-on expertise in AWS and Python to join our growing London team. This role combines technical delivery with stakeholder engagement, making it ideal for consultants who enjoy bridging the gap between data and strategy. Youll help organisations harness their data through scalable cloud platforms, modern data engineering practices, and insightful analytics. * Design and implement data pipelines and architectures in AWS. * Develop solutions using Python for data integration, analysis, and automation. * Work with clients to understand requirements, de
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        Senior Data Analyst

        SF Recruitment (Tech)
        B90, Solihull
        £50k - 60k per year
        We are seeking a highly skilled Senior Data Analyst to join our team and help a major UK FTSE 100 business modernise their decision-making processes. In this role, you will be responsible for turning manual, spreadsheet-heavy processes into reliable, automated data products. Salary: £50,000 - £60,000 + benefits - About the Role - You will be using your expertise in analysis and SQL to build clean Power BI models and dashboards, and will also collaborate with an external delivery partner to productionise in an Azure environment. Key Responsibilities * Own the end-to-end process, from gathering requirements to analysis and SQL, to building Power BI models and handing them over for production in Azure. * Design presentation-layer tables with clear business logic and error checks. * Tune performance, document decisions, and create light-t
        We are seeking a highly skilled Senior Data Analyst to join our team and help a major UK FTSE 100 business modernise their decision-making processes. In this role, you will be responsible for turning manual, spreadsheet-heavy processes into reliable, automated data products. Salary: £50,000 - £60,000 + benefits - About the Role - You will be using your expertise in analysis and SQL to build clean Power BI models and dashboards, and will also collaborate with an external delivery partner to productionise in an Azure environment. Key Responsibilities * Own the end-to-end process, from gathering requirements to analysis and SQL, to building Power BI models and handing them over for production in Azure. * Design presentation-layer tables with clear business logic and error checks. * Tune performance, document decisions, and create light-t
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        NEWFEATURED
        To continue delivering our expert solutions to clients as workload grows, we are looking to expand our teams and have opportunities for Wastewater Modellers to join us in Birmingham, Redditch & Derby. Amp 8 is an exciting time for the water industry and for Stantecs role within it. The scale of current and future investment in our urban drainage is unprecedented and at Stantec we are at the heart of supporting major water companies across the South West & Wales in delivering at all stages of the project life cycle. You will join our established team working on a variety of projects focused on catchment growth, identifying and reducing flood risks and improving water quality for our clients. Our work is centred around a thorough knowledge of urban drainage and its role within the wider water cycle and urban landscape, where you will deliver projects wh
        To continue delivering our expert solutions to clients as workload grows, we are looking to expand our teams and have opportunities for Wastewater Modellers to join us in Birmingham, Redditch & Derby. Amp 8 is an exciting time for the water industry and for Stantecs role within it. The scale of current and future investment in our urban drainage is unprecedented and at Stantec we are at the heart of supporting major water companies across the South West & Wales in delivering at all stages of the project life cycle. You will join our established team working on a variety of projects focused on catchment growth, identifying and reducing flood risks and improving water quality for our clients. Our work is centred around a thorough knowledge of urban drainage and its role within the wider water cycle and urban landscape, where you will deliver projects wh
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        NEW
        Job Title: Senior Data Analyst Payments & Fintech - As a Senior Data Analyst, youll play a pivotal role in optimizing transaction flows, uncovering actionable insights, and driving product innovation across our payment ecosystem. Were seeking a data-driven strategist to join our Fintech team and help shape the future of digital payments. * Analyse large-scale payment data to identify trends, anomalies, and opportunities for optimization * Translate complex data into clear narratives for stakeholders and executive leadership * Ensure data integrity and governance across analytics pipelines * 5+ years of experience in data analytics, preferably in payments, fintech, or financial services * Strong understanding of payment flows, transaction lifecycles, a
        Job Title: Senior Data Analyst Payments & Fintech - As a Senior Data Analyst, youll play a pivotal role in optimizing transaction flows, uncovering actionable insights, and driving product innovation across our payment ecosystem. Were seeking a data-driven strategist to join our Fintech team and help shape the future of digital payments. * Analyse large-scale payment data to identify trends, anomalies, and opportunities for optimization * Translate complex data into clear narratives for stakeholders and executive leadership * Ensure data integrity and governance across analytics pipelines * 5+ years of experience in data analytics, preferably in payments, fintech, or financial services * Strong understanding of payment flows, transaction lifecycles, a
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        What is the average salary for API in Cardiff?

        Average salary per year
        £42,499

        The average salary for a API in Cardiff is £42,499. API in Cardiff salaries range from £32,499 to £55,000.

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        How many temporary API jobs are there in Cardiff?
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