London, South East, England, United Kingdom Hybrid / WFH Options
Harnham - Data & Analytics Recruitment
Job Title Senior Causal Inference Data Scientist Logistics Contract length : 3 months (immediate start) Day rate : £500-£550 (Outside IR35) Location : Hybrid-2 days/week in London office Interview process : 2-3 stages (including case study & stakeholder presentation) Client Context You'll help blue-chip clients optimise multi-million-pound marketing budgets by blending cutting-edge causal-inference … ROI Build predictive and optimisation models to guide budget allocation across channels Translate complex statistical findings into concise presentations and dashboards for senior non-technical stakeholders Partner with marketing, data engineering and product teams to integrate models into live reporting pipelines Must-Haves Master's degree in Statistics, Econometrics, Data Science or related quantitative field Hands-on experience … statistical theory Excellent verbal and written communication-comfortable presenting to C-suite Demonstrable stakeholder engagement (beyond backend coding) Right to work in the UK Desirable 3+ years' experience in data-driven marketing, analytics consultancy or similar Familiarity with quasi-experimental designs and A/B testing frameworks Background in software design, datastructures or production-grade ML More ❯
Bristol, Avon, South West, United Kingdom Hybrid / WFH Options
BRUTON KNOWLES
appoint a GIS Analyst to assist in the delivery of GIS services to our Utilities and Infrastructure Team with hybrid/remote working. Main Responsibilities, Tasks and Key Duties: Data capture, management, analysis and validation Data conversion and integration Map production for Land Referencing products Development and implementation of methodologies for creation and use of spatial data Digitising, editing, coding, and annotating line, point and polygon data Creation of Land Registry compliant Easement, Consent and Wayleave drawings Creation of landowner plans for attachment to referencing forms Meeting with internal clients to determine GIS requirements The Candidate: A degree qualification in GIS or a related field. MSc would be desirable but not essential. The ideal candidate … time, accuracy, quality whilst meeting cost objectives. Knowledge, Skills and Abilities: A high level of competence using ESRI, ArcGIS product suit, including its extensions A sound understanding of spatial datastructures and fundamental concepts of GIS Spatial database design and management, preferably with ESRI geodatabases Ability to liaise with internal and external clients to deliver high quality GIS More ❯
Gloucester, Gloucestershire, United Kingdom Hybrid / WFH Options
Fuel Recruitment Limited
in the delivery of GIS services to our Utilities and Infrastructure Team based out of our Gloucester office with hybrid/remote working. Main Responsibilities, Tasks and Key Duties: · Data capture, management, analysis and validation · Data conversion and integration · Map production for Land Referencing products · Development and implementation of methodologies for creation and use of spatial data · Digitising, editing, coding, and annotating line, point and polygon data · Creation of Land Registry compliant Easement, Consent and Wayleave drawings · Creation of landowner plans for attachment to referencing forms · Meeting with internal clients to determine GIS requirements The Candidate: · A degree qualification in GIS or a related field. MSc would be desirable but not essential. · The ideal candidate … time, accuracy, quality whilst meeting cost objectives. Knowledge, Skills and Abilities: · A high level of competence using ESRI, ArcGIS product suit, including its extensions · A sound understanding of spatial datastructures and fundamental concepts of GIS · Spatial database design and management, preferably with ESRI geodatabases · Ability to liaise with internal and external clients to deliver high quality GIS More ❯
Engineering Employment Type: Permanent - Full Time Location: Remote, UK Description WHAT WE NEED We are looking for a Senior Java Engineer, experienced in JVM, concurrency, networking, strong consistency, and data storage to join our Core team. The team focuses on the Hazelcast Platform, our high-performance, low-latency storage and stream processing engine that operates at scale. Enabling real … ensuring scalability, performance, and reliability. Optimize the platform for speed, efficiency, and resource utilization, including indexing, query optimization, and caching strategies. Security and Integration : Implement security measures to protect data integrity and confidentiality, including encryption, access control, and compliance with relevant regulations. Integrate storage components with other software infrastructure, such as SQLite, RocksDB, or cloud solutions. Monitoring and Maintenance … Monitor the system for performance issues, errors, and potential failures, and implement maintenance procedures such as backups, data recovery, and disaster recovery plans. Troubleshoot issues related to data storage, including performance bottlenecks, data corruption, or compatibility issues with other software components. Collaboration : Collaborate with cross-functional teams, including software developers, architects, and product managers, to ensure effective More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
70k FTC Are you a skilled Backend Software Engineer with strong C++ skills? You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks and benefits. As a Backend Software Engineer you will join an Agile team focussed on building and maintaining Exchange Connectivity software systems … that require real-time and low latency, maintaining data feeds and developing key underlying transport protocols for data transmission. The platform has been built with C++ and C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day. Location/WFH: You'll join colleagues in the City office three … development lifecycle experience You have a good knowledge of networking protocols e.g. TCP/IP, multicast You have a strong grounding in Computer Science fundamentals e.g. multi-threading, OOP, DataStructures, Design Patterns You're collaborative with great communication skills What's in it for you: *Please note this is a 12 month Fixed Term Contract, with full More ❯
product companies. Frontend: React, Sass, and Storybook Backend: Node, Express, PostgreSQL Infrastructure: AWS ClickHouse desirable, but not required. Must have's are: Confidence with performing in Leetcode style interviews (DataStructures and Algorithms) A degree in Computer Science or Software Engineering related Senior Full Stack Engineer Contract Role | JavaScript/Typescript | B2C, Scale-up | UK Fully Remote | £500pd More ❯
product companies. Frontend: React, Sass, and Storybook Backend: Node, Express, PostgreSQL Infrastructure: AWS ClickHouse desirable, but not required. Must have's are: Confidence with performing in Leetcode style interviews (DataStructures and Algorithms) A degree in Computer Science or Software Engineering related Senior Full Stack Engineer Contract Role | JavaScript/Typescript | B2C, Scale-up | UK Fully Remote | £500pd More ❯
East London, London, United Kingdom Hybrid / WFH Options
Owen Thomas | Pending B Corp™
product companies. Frontend: React, Sass, and Storybook Backend: Node, Express, PostgreSQL Infrastructure: AWS ClickHouse desirable, but not required. Must have's are: Confidence with performing in Leetcode style interviews (DataStructures and Algorithms) A degree in Computer Science or Software Engineering related Senior Full Stack Engineer Contract Role | JavaScript/Typescript | B2C, Scale-up | UK Fully Remote | £500pd More ❯
Leigh, Greater Manchester, United Kingdom Hybrid / WFH Options
Owen Thomas | Pending B Corp™
product companies. Frontend: React, Sass, and Storybook Backend: Node, Express, PostgreSQL Infrastructure: AWS ClickHouse desirable, but not required. Must have's are: Confidence with performing in Leetcode style interviews (DataStructures and Algorithms) A degree in Computer Science or Software Engineering related Senior Full Stack Engineer Contract Role | JavaScript/Typescript | B2C, Scale-up | UK Fully Remote | £500pd More ❯
Leeds, West Yorkshire, United Kingdom Hybrid / WFH Options
Owen Thomas | Pending B Corp™
product companies. Frontend: React, Sass, and Storybook Backend: Node, Express, PostgreSQL Infrastructure: AWS ClickHouse desirable, but not required. Must have's are: Confidence with performing in Leetcode style interviews (DataStructures and Algorithms) A degree in Computer Science or Software Engineering related Senior Full Stack Engineer Contract Role | JavaScript/Typescript | B2C, Scale-up | UK Fully Remote | £500pd More ❯
Altrincham, Greater Manchester, United Kingdom Hybrid / WFH Options
Owen Thomas | Pending B Corp™
product companies. Frontend: React, Sass, and Storybook Backend: Node, Express, PostgreSQL Infrastructure: AWS ClickHouse desirable, but not required. Must have's are: Confidence with performing in Leetcode style interviews (DataStructures and Algorithms) A degree in Computer Science or Software Engineering related Senior Full Stack Engineer Contract Role | JavaScript/Typescript | B2C, Scale-up | UK Fully Remote | £500pd More ❯
Bury, Greater Manchester, United Kingdom Hybrid / WFH Options
Owen Thomas | Pending B Corp™
product companies. Frontend: React, Sass, and Storybook Backend: Node, Express, PostgreSQL Infrastructure: AWS ClickHouse desirable, but not required. Must have's are: Confidence with performing in Leetcode style interviews (DataStructures and Algorithms) A degree in Computer Science or Software Engineering related Senior Full Stack Engineer Contract Role | JavaScript/Typescript | B2C, Scale-up | UK Fully Remote | £500pd More ❯
Bolton, Greater Manchester, United Kingdom Hybrid / WFH Options
Owen Thomas | Pending B Corp™
product companies. Frontend: React, Sass, and Storybook Backend: Node, Express, PostgreSQL Infrastructure: AWS ClickHouse desirable, but not required. Must have's are: Confidence with performing in Leetcode style interviews (DataStructures and Algorithms) A degree in Computer Science or Software Engineering related Senior Full Stack Engineer Contract Role | JavaScript/Typescript | B2C, Scale-up | UK Fully Remote | £500pd More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Owen Thomas | Pending B Corp™
product companies. Frontend: React, Sass, and Storybook Backend: Node, Express, PostgreSQL Infrastructure: AWS ClickHouse desirable, but not required. Must have's are: Confidence with performing in Leetcode style interviews (DataStructures and Algorithms) A degree in Computer Science or Software Engineering related Senior Full Stack Engineer Contract Role | JavaScript/Typescript | B2C, Scale-up | UK Fully Remote | £500pd More ❯
Central London / West End, London, United Kingdom Hybrid / WFH Options
Owen Thomas | Pending B Corp™
product companies. Frontend: React, Sass, and Storybook Backend: Node, Express, PostgreSQL Infrastructure: AWS ClickHouse desirable, but not required. Must have's are: Confidence with performing in Leetcode style interviews (DataStructures and Algorithms) A degree in Computer Science or Software Engineering related Senior Full Stack Engineer Contract Role | JavaScript/Typescript | B2C, Scale-up | UK Fully Remote | £500pd More ❯
Ashton-Under-Lyne, Greater Manchester, United Kingdom Hybrid / WFH Options
Owen Thomas | Pending B Corp™
product companies. Frontend: React, Sass, and Storybook Backend: Node, Express, PostgreSQL Infrastructure: AWS ClickHouse desirable, but not required. Must have's are: Confidence with performing in Leetcode style interviews (DataStructures and Algorithms) A degree in Computer Science or Software Engineering related Senior Full Stack Engineer Contract Role | JavaScript/Typescript | B2C, Scale-up | UK Fully Remote | £500pd More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Software Engineer/Developer WFH to £100k Are you a skilled Java Developer with low latency trading systems experience? You could be progressing your career at a global market data and trading platform provider for cryptocurrency markets. As a Java Developer you will develop, test and maintain high-quality, low-latency Java applications handling millions of requests per day … must have the right to work in the UK and be UK based. About you: You have strong Java development experience including concurrency, garbage collection, low level performance optimisation, datastructures and memory efficient design patterns You have experience with low latency systems, particularly OMS (Order Management Systems), EMS (Execution Management Systems) You have strong design skills and More ❯
Sheffield, Yorkshire, United Kingdom Hybrid / WFH Options
Pendo
at least one web application framework (eg React, Vue, Angular, Svelte) Experience with state management patterns and libraries (eg Pinia, Vuex, Redux) Strong foundation in software engineering principles, including datastructures, algorithms, and software design Solid understanding of web application architecture, including APIs, HTTP requests, databases, caching, and related concepts Used testing frameworks such as Jest to write … as Cypress or Playwright for test automation Preferred Qualifications Bachelor's or Master's degree in Computer Science or related technical field Experience manipulating and displaying large quantities of data, with an emphasis on frontend performance Experience working with components that consume live data Familiarity with build tools, CI/CD and development workflows Experience working with an More ❯
The successful candidate will have the following skills/experience - 1-2 years+ commercial experience with Python, Django, React or Rust experience Strong understanding of OO principles, design patterns, datastructures & algorithms Bachelors or Masters Degree in Computer Science or very similar, ideally from a top University Personality and genuine passion in technology Elite bonus culture and starting More ❯
Sheffield, Yorkshire, United Kingdom Hybrid / WFH Options
Pendo
at least one web application framework (eg React, Vue, Angular, Svelte) Experience with state management patterns and libraries (eg Pinia, Vuex, Redux) Strong foundation in software engineering principles, including datastructures, algorithms, and software design Solid understanding of web application architecture, including APIs, HTTP requests, databases, caching, and related concepts Preferred Qualifications Bachelor's or Master's degree … in Computer Science or related technical field Experience manipulating and displaying large quantities of data, with an emphasis on frontend performance Experience working with components that consume live data Familiarity with build tools, CI/CD and development workflows Experience working with an internally developed component library EEOC We are an equal opportunity employer and believe having diverse More ❯
City of London, Greater London, UK Hybrid / WFH Options
Hunter Bond
The successful candidate will have the following skills/experience - 1-2 years+ commercial experience with Python, Django, React or Rust experience Strong understanding of OO principles, design patterns, datastructures & algorithms Bachelors or Masters Degree in Computer Science or very similar, ideally from a top University Personality and genuine passion in technology Elite bonus culture and starting More ❯
Farnham, Virginia, United States Hybrid / WFH Options
CarMax
What's the role of the associate and the manager, and how should they spend their time? What are the correct performance metrics, how do we build the right data structure to calculate those metrics, and what reports should we provide to show performance? What accountability and incentive structures should we have in place to drive that performance … engagement and associate development across the Sales Strategy team Collaborate with our operations and product/technology partners on the creation of the department's roadmap by bringing a data-backed perspective to the table Provide analytical evaluation and strategic thoughtfulness to understand impacts of various change efforts to steer the organization to the best path forward Drive execution … strong academic performance (MBA or Masters in an analytical field is a plus) 6+ years' experience in an analytical or strategic role Analytic mindset, with experience conducting large scale data analysis to support conclusions (preferably with SQL experience) Experience managing high performing analytic associates Ability to communicate complex topics to influence executive thinking and improve field execution Work Location More ❯
Richmond, Virginia, United States Hybrid / WFH Options
CarMax
Systems: Whats the role of the associate and the manager, and how should they spend their time? What are the correct performance metrics, how do we build the right data structure to calculate those metrics, and what reports should we provide to show performance? What accountability and incentive structures should we have in place to drive that performance … engagement and associate development across the Sales Strategy team Collaborate with our operations and product/technology partners on the creation of the department's roadmap by bringing a data-backed perspective to the table Provide analytical evaluation and strategic thoughtfulness to understand impacts of various change efforts to steer the organization to the best path forward Drive execution … strong academic performance (MBA or Masters in an analytical field is a plus) 6+ years experience in an analytical or strategic role Analytic mindset, with experience conducting large scale data analysis to support conclusions (preferably with SQL experience) Experience managing high performing analytic associates Ability to communicate complex topics to influence executive thinking and improve field execution Work Location More ❯
they are looking for in Mid Java Developers: Core Java Developing software from scratch WITHOUT the use of frameworks e.g. Spring Multithreading TDD, CI/CD, Paired-programming environment Datastructures, algorithms, threads Working in a modern FinTech environment e.g. startup is a plus An interest in the financial sector, FX and trading If you are looking to More ❯
highly reliable, performant, and observable, establishing and monitoring SLOs to guarantee platform stability for all customers, internal and external. Own the end-to-end lifecycle of our core Account data products, both synchronous and asynchronous, ensuring they are well-designed, documented, and meet the needs of our internal product, engineering, Sales and Customer Success teams. Collaborate closely with Security … Legal, and Product stakeholders to ensure we are responsibly managing customer account data and PII in line with our privacy and compliance (eg: GDPR) requirements. Act as a technical leader and mentor within the team, guiding design decisions and elevating the engineering practices of those around you. You have: Strong commercial experience building backend services and APIs in (preferably … major cloud platforms (eg: AWS). Experience with CI/CD pipelines and infrastructure-as-code (e.g., Buildkite, Terraform, CloudFormation). A deep understanding of software engineering fundamentals, including datastructures, algorithms, and system design. Also desirable: Familiarity with API Gateways (e.g., KrakenD) and Identity/Authentication protocols (e.g., OAuth2). Hands on Experience with distributed architecture/ More ❯