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Haystack

Haystack

www.haystackapp.io

12 Jobs

20 Employees

About the Company

Discover Haystack - the UK's fastest growing tech hiring marketplace.

Driven by our award-winning mobile app and web platform, Haystack connects active and passive tech talent directly with hiring managers and talent acquisition teams.

We're trusted by over 150,000+ UK-based techies, working in Software Engineering, Data, Design, DevOps, Cloud, Tech Management, Testing, Product & Delivery, Architecture and more.

100s of employers from startups and scale-ups like Atom Bank, DuckDuckGo and Football Radar to established enterprises like American Express, Dunelm and Raytheon use Haystack to discover tech talent that they can't find anywhere else.

Listed Jobs

Company background Company brand
Company Name
Haystack
Job Title
Senior AI Engineer
Job Description
**Job Title:** Senior AI Engineer **Role Summary:** Lead the architecture, development, and enterprise deployment of large‑scale AI systems that integrate LLMs, vector databases, and multi‑agent frameworks across a global media and telecom ecosystem. Bridge experimental prototyping with production operations, ensuring systems are scalable, maintainable, and secure. **Expectations:** * Deliver observable, high‑performance AI solutions that directly impact streaming, mobile, and broadband platforms. * Mentor engineering teams, establishing best‑practice standards for AI tooling and development. * Keep AI products at the cutting edge of research while upholding ethical and security standards. **Key Responsibilities:** * Design and implement end‑to‑end AI lifecycles (data ingestion, agent development, evaluation, monitoring). * Transition AI prototypes to full‑scale, production‑grade deployments on cloud platforms. * Define and enforce governance for AI models, data pipelines, and system observability. * Collaborate with cross‑functional stakeholders to translate business objectives into AI solutions. **Required Skills:** * Deep expertise in AI architectures: LLMs, vector databases, agentic frameworks (e.g., Google ADK). * Advanced software engineering in Python or Java within Agile environments. * Proven experience delivering enterprise‑scale AI/ML solutions. * Strong knowledge of cloud ecosystems—Google Cloud Platform, AWS, or Azure. * Expertise in AI observability, security, and maintainability. **Required Education & Certifications:** * Bachelor’s or Master’s degree in Computer Science, Engineering, or related field (or equivalent experience). * Certifications in cloud architecture (e.g., GCP Professional Cloud Architect, AWS Certified Solutions Architect) and AI/ML best practices are preferred.
United kingdom
Remote
Senior
09-03-2026
Company background Company brand
Company Name
Haystack
Job Title
Data Analyst - Fully Remote
Job Description
**Job Title** Data Analyst – Lead (Fully Remote) **Role Summary** Lead the design, implementation, and management of an enterprise‑level analytics engine for a fast‑growing consumer packaged goods (CPG) brand. Drive integration of multi‑channel data (POS, Shopify, subscriptions, marketing attribution) into a unified data warehouse, build scalable reporting models, and create advanced dashboards that inform sales, finance, and product strategy. **Expectations** - Own the end‑to‑end data pipeline and analytics architecture. - Translate complex datasets into actionable insights for executive stakeholders. - Deliver high‑visibility dashboards and performance metrics that guide inventory, launch, and marketing decisions. - Operate independently in a startup environment while collaborating across sales, finance, marketing, and operations. **Key Responsibilities** - Centralize heterogeneous data sources (retail POS, Shopify, subscription, marketing attribution) into a single source of truth. - Architect and maintain scalable data models and pipelines using SQL and modern data‑warehouse principles. - Build and maintain dashboards (Tableau, Power BI, or Looker) covering sell‑through velocity, LTV, ROI, and other key metrics. - Analyze syndicated retail data (SPINS/Nielsen/IRI) to uncover white‑space opportunities and performance trends. - Partner with Sales and Finance leaders to translate insights into inventory planning, product launches, and strategic initiatives. **Required Skills** - 6+ years in data analytics, BI, or data strategy within CPG or retail. - Advanced SQL for complex data manipulation and pipeline creation. - Expert proficiency in Tableau, Power BI, or Looker, capable of communicating insights to non‑technical audiences. - Experience handling multi‑channel datasets: retailer portals, Shopify, paid social, Google Ads. - Proven ability to balance architectural design with hands‑on execution in a fast‑paced environment. **Required Education & Certifications** - Bachelor’s degree in Data Science, Computer Science, Statistics, Business Analytics, or related field. - Certifications such as Microsoft Certified: Data Analyst Associate, Tableau Desktop Specialist, or equivalent are desirable.
United states
Remote
Mid level
09-03-2026
Company background Company brand
Company Name
Haystack
Job Title
Data Scientist
Job Description
Job Title Data Scientist Role Summary Lead analytical projects for a central government supply‑chain initiative, transforming complex data sets into decision‑making insights. Drive collaboration across a multidisciplinary data science team, design advanced analytical tools, and present findings to senior stakeholders. Expectations - Deliver high‑quality, reproducible analytics solutions under tight deadlines. - Maintain rigorous coding standards and documentation for reproducibility. - Communicate technical results effectively to non‑technical policy makers. - Champion best practices in data architecture, security, and compliance in a regulated environment. Key Responsibilities - Partner with data scientists, engineers, and policy analysts to define project scope and success criteria. - Architect, develop, and deploy data pipelines using SQL, Python, and R, ensuring scalability and robustness. - Build and maintain interactive visualisations and dashboards for senior‑level reporting. - Utilize PySpark, Spark SQL, and graph technologies to process and model large‑scale supply‑chain data. - Implement data governance, quality controls, and adhere to IR35 compliance. - Mentor junior analysts and contribute to team knowledge sharing. - Engage with government stakeholders to refine requirements and translate analytical findings into policy recommendations. Required Skills - Advanced programming in at least two of: SQL, Python (pandas, NumPy), R (tidyverse). - Proficient with PySpark/Spark SQL for distributed data processing. - Experience designing and delivering interactive visualizations (e.g., Tableau, PowerBI, ggplot2, Plotly). - Knowledge of graph data models, graph query languages (Cypher, Gremlin), and knowledge graph concepts. - Strong analytical mindset with ability to translate complex datasets into actionable insights. - Familiarity with data security, governance, and documentation standards in a public sector context. - Excellent written and verbal communication skills; ability to present technical concepts to senior officials. Required Education & Certifications - Bachelor’s or Master’s degree in Data Science, Computer Science, Statistics, Applied Mathematics, or related field. - Professional certifications in Python/R or Big Data (e.g., AWS Certified Data Analytics – Specialty, Databricks Certified Associate) are advantageous. ---
London, United kingdom
Hybrid
11-03-2026
Company background Company brand
Company Name
Haystack
Job Title
Graduate Software Engineer
Job Description
**Job Title:** Graduate Software Engineer **Role Summary:** Entry‑level software engineer joining a fintech technology team to design, develop, and maintain high‑performance applications using C#, SQL Server, and Azure within an Agile, fully remote UK environment. **Expectations:** - Full right to work in the UK (no visa sponsorship). - Ability to transition academic knowledge to production code from day one. - Commitment to continuous learning and obtaining industry certifications. - Effective collaboration with senior mentors and remote team members. **Key Responsibilities:** - Develop and enhance back‑end services in C# (and optionally PHP/Java/Python) and SQL Server. - Participate in the full SDLC: design, coding, testing, deployment to Microsoft Azure. - Write clean, maintainable, and scalable code; engage in peer code reviews. - Implement front‑end updates using jQuery, CSS, and MVC frameworks. - Troubleshoot and optimise existing business systems under Agile sprint cycles. **Required Skills:** - Strong foundation in Object‑Oriented Programming. - Proficiency in C#; experience with Java, PHP, or Python is a plus. - Competent in writing efficient SQL queries and managing relational databases. - Familiarity with cloud platforms, preferably Microsoft Azure (AWS exposure acceptable). - Understanding of Agile methodologies and version control (e.g., Git). **Required Education & Certifications:** - First‑Class Honours degree in Computer Science (or equivalent). - Relevant cloud or development certifications are advantageous but not mandatory.
United kingdom
Remote
Junior
12-03-2026