12 of 12 Data Structures Jobs in Hertfordshire

Remote Senior Data Engineer (Data Quality, PySpark, Databricks)

Hiring Organisation
Pexa Group
Location
Stevenage, Hertfordshire, UK
work and as our business expands, we are looking for ambitious, talented people to join us. We are looking for a technically proficient Senior Data Engineer to join our growing Data team. Your primary focus will be on ensuring data quality, stability, and reliability — from the moment … data arrives in its rawest form to when it is used in decision-making dashboards and customer-facing reports. You will optimise the transformation pipeline from start to finish, guaranteeing that datasets are robust, tested, secure, and business-ready. Our data platform is built using Databricks, with data ...

Remote SQL Developer

Hiring Organisation
Nigel Wright Group
Location
Watford, Hertfordshire, UK
established software company in their search for a SQL Developer The Role In this role you will undertake a variety of tasks, including data loading and ETL, working with complex data structures, writing queries/stored procedures, optimising queries and tables, producing reports and creating workflows. Other … responsibilities include: Standard SQL tasks such as table design, query creation, etc Ensuring the accuracy, integrity and security of data Creating ETL workflows to process large datasets, in a variety of formats Troubleshooting database performance issues using tools such as Redgate SQL Monitor, SSMS query store Designing and delivering ...

Remote Quant Developer

Hiring Organisation
Kappa Lab Ltd
Location
Stevenage, Hertfordshire, UK
align with quantitative strategies and market-making objectives. Optimize code for speed, reliability, and scalability to handle high-frequency trading environments and large-scale data processing. Analyze market data, liquidity patterns, and order book dynamics to improve algorithm efficiency and pricing models. Improve reporting and analysis … existing system's performance. Required skills Proficiency in Python. Strong understanding of data structures, algorithms, and software design principles. Experience with data analysis and manipulation using libraries like NumPy, Pandas, or similar tools. Good knowledge of probability, statistics, and quantitative modeling techniques. Familiarity with cryptocurrency markets, blockchain ...

Remote Quantitative Developer, C++ - Trading Teams EMEA

Hiring Organisation
Tower Research Capital
Location
Watford, Hertfordshire, UK
role in our success. Our Business Support teams are essential to building and maintaining the platform that powers everything we do — combining market access, data, compute, and research infrastructure with risk management, compliance, and a full suite of business services. Our Business Support teams enable our trading and engineering … development of a tick by tick backtesting research platform Assisting in development and optimizing large-scale parallel computation problems that requires large quantities of data shared across resources Optimizing the computational efficiency of existing machine learning based algorithms to drive higher performance and faster learning rates Developing systems, interfaces ...

Remote Senior Software Engineer

Hiring Organisation
Weekday Ai
Location
Stevenage, Hertfordshire, UK
Python. Solid understanding of Python frameworks such as Django, Flask, or FastAPI. Experience in building RESTful APIs and microservices architecture. Strong knowledge of data structures, algorithms, and object-oriented programming. Hands-on experience with databases such as PostgreSQL, MySQL, or MongoDB. Familiarity with asynchronous programming and performance optimization … skills and the ability to work in a fast-paced environment. Preferred Qualifications Experience working with distributed systems and event-driven architectures. Exposure to data processing frameworks or background job systems (Celery, Kafka, etc.). Familiarity with testing frameworks and test-driven development (TDD). Understanding of security best ...

Remote Polyglot Software Engineer

Hiring Organisation
Spectrum It Recruitment
Location
Watford, Hertfordshire, UK
scaling engineering processes What You'll Need: Proficiency in 3+ languages (e.g., C++, TypeScript, Python, Java, Rust) Strong fundamentals in algorithms, systems design, and data structures Experience with SQL databases (e.g., PostgreSQL, MySQL, Oracle) Ability to pick up new tech fast and solve complex problems independently Comfortable operating … fast-paced, early-stage environment Nice to Have: Deep understanding of database internals or data migration Experience with Docker, Kubernetes, and cloud platforms (Azure, AWS, GCP) Familiarity with CI/CD and DevOps tooling (e.g., GitHub Actions) The Stack: Linux, C++, TypeScript, PostgreSQL, LLVM Docker, Kubernetes, GitHub, Azure ...

Remote D365 Business Central Developer

Hiring Organisation
Partomer Ltd
Location
Watford, Hertfordshire, UK
HTML, CSS, and web APIs Strong experience building and consuming REST APIs Experience with system integration and middleware concepts Understanding of SQL databases and data structures Experience working with source control ( Git ) and modern development workflows Familiarity with DevOps practices, CI/CD pipelines Desirable Skills Modern ...

Remote C++ Quant Developer

Hiring Organisation
Wintermute
Location
Watford, Hertfordshire, UK
about technology, interested in both low level details of how computer hardware operates and high-level design of large systems, as well as in data infrastructure. Someone who likes opening the hood to see how things work, has understanding of data structures, experience writing client-server network … will have an opportunity to grow and make direct impact on trading by developing and improving all the parts of the trading platform, data infrastructure and related software, while also getting advice and guidance from very experienced developers and traders, including the founders. You will ...

Remote Machine Learning Engineer (Remote)

Hiring Organisation
Stackadapt
Location
Watford, Hertfordshire, UK
choose StackAdapt to orchestrate high-impact campaigns across programmatic advertising and marketing channels. We're looking to add a Machine Learning Engineer 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 …/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. StackAdapt is a remote-first company with teams around the world. Our teams work in a fully distributed environment ...

Remote Senior Software Engineer - C++ - Trading Technologies

Hiring Organisation
Kraken
Location
Watford, Hertfordshire, UK
internet of money. The Exchange team is responsible for everything to do with the trading backend services such as the matching engine, market data gateways, internal and external APIs, margin systems and various other trading services. The team is located globally and responsibilities are split into sub-teams, working … trading infrastructure — built on Aeron for ultra-low-latency, reliable UDP messaging. You'll work directly on the systems that move market data, orders, and trade events across our exchange at microsecond scale. The opportunity Develop and maintain core framework and key software components for the Kraken trading engine ...

Remote iTrent Systems Administrator

Hiring Organisation
Morgan Hunt Recruitment
Location
Stevenage, Hertfordshire, UK
core part of the HR Transformation and Systems team, supporting HR teams, managers, and employees to improve their system experience while ensuring compliance with data regulations and internal policies. You'll drive continuous improvement through system enhancements, manage relationships with third-party suppliers, and provide technical guidance on cross … queries and act as a liaison with MidlandHR as needed. Administer day-to-day system tasks (e.g. access permissions, reference tables, workflows). Champion data protection and GDPR compliance within system usage. Contribute to training resources such as user guides and how-to videos. Keep up to date with ...

Wordpress Developer - Elementor Specialist

Hiring Organisation
ITSS Recruitment
Location
Hertfordshire, United Kingdom
Employment Type
Permanent
Salary
£30000 - £45000/annum Benefits
bridge the gap between Elementor's capabilities and bespoke design requirements and have the technical depth to manage server-side logic and custom data structures. Key Responsibilities * Performance-First Build: Develop pixel-perfect, responsive sites using Elementor Pro and Gutenberg. You must ensure every build is optimised for speed … Core Web Vitals) to support high-level marketing activity. * Dynamic Logic: Architect complex site structures using Crocoblock (JetEngine) or ACF (Custom Post Types, Relations, and Dynamic Visibility). * Site Migrations: Safely manage site migrations from staging to live environments, and from external platforms (Wix, Squarespace, Shopify) into WordPress. * Reactive ...