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Data Analyst
Lille
2 jours de télétravail/semaine
45K-50K euros

Nous recherchons un top Data Analyst pour notre client, une startup SaaS française qui a pour projet de s’expandre dans tout l’Europe. Vous rejoindrez une équipe data composée de 6 personnes et qui a pour vocation de s’agrandir.

Missions :

• Collecter, traiter et mettre en forme la donnée via le dashboarding
• Collaborer étroitement avec les équipes tech et métier
• Faire la documentation
• Analyser la donnée de manière exploratoire pour voir les tendances

Compétences recherchées:

• Minimum 5 ans d’expérience post-diplôme
• Maîtrise de SQL, Python et Tableau
• Maîtrise de Airflow et DBT appréciée
• Expérience en environnement SaaS
• Maîtrise courante de l’Anglais

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Job Title: Founding AI Engineer – R&D Focus
Location: Remote (United States)
Salary: $150k – $175k base (Total Compensation)
VISA Requirements: Green Card or U.S. Citizen

Company Overview:

We are an innovative healthcare analytics software company that collaborates with state agencies, focusing on improving the quality of care and services for underserved populations, including individuals receiving developmental medication through Medicare. Our proprietary platform helps detect fraud, waste, and abuse in state-administered programs, enabling agencies to manage services effectively and leverage existing data to improve outcomes.

Role Overview:

This role involves working on business systems to improve data navigation, user interaction, and process automation through AI-driven solutions. You will be a crucial member of a growing team, helping to shape the direction of AI within the company.

Key Responsibilities:

• NLP Model Development:

  • Implement multi-agent NLP systems, such as chatbots and conversational interfaces, to automate and enhance business workflows.
  • Develop and refine NLP-based models that enable users to interact with data, answer questions, and navigate tools on the platform.

• Cloud Integration:

  • Work with external cloud APIs to integrate AI and NLP models into the system.
  • Experience with cloud-based models is essential, as models will not be run locally.

• Chatbot & AI Systems:

  • Design and develop chatbots and AI agents to interact with users and improve data experience within the platform.
  • Create workflows utilizing NLP agents, with a focus on understanding and automating business processes.

• Collaboration:

  • Work closely with data engineering (DE), analytics, and software engineering (SWE) teams to ensure smooth integration of AI models into the platform.
  • Coordinate with the DE team to ensure that data is prepared and optimized for AI models.
  • Collaborate with the SWE team to ensure successful deployment of AI models in the platform.

Skills & Experience:

• Core Skills:

  • Strong proficiency in Python (for model development and data manipulation).
  • Basic knowledge of SQL for querying and working with data.
  • Experience with cloud environments (any cloud platform).

• Generative AI & NLP:

  • Hands-on experience with developing multi-agent systems, chatbots, and NLP-based models.
  • Deep knowledge of Large Language Models (LLMs) and their applications in business systems.
  • Proven track record of implementing chatbot models and deploying AI-driven solutions.

• Experience:

  • Bachelor’s degree in Computer Science, Engineering, or a related field (advanced degrees are a plus).
  • 5+ years of experience in AI, NLP, or related fields, with a focus on model implementation and deployment.
  • Experience in healthcare or healthcare claims is a plus, but not required.

• Additional Skills:

  • Strong communication skills, both internally and externally.
  • Ability to work independently, handle chaos, and deliver results without heavy supervision.
  • Entrepreneurial mindset with the ability to problem-solve and drive projects forward.

If this sounds like a good fit for you. Please apply!

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FOUNDING FRONTEND ENGINEER
LLM STARTUP
BROOKLYN, NY (ONSITE)
$200,000 – $250,000 BASE

THE COMPANY

Harnham is partnered with a cutting-edge startup in the technology space looking to ease the burden of LLM development and deployment. They are seed-funded and looking to hire multiple founding engineers across various pieces of their stack. This role will focus on AI integration and frontend development in React/Typescript.

THE ROLE – Founding Frontend Engineer

This position will report directly to the CTO and completely own the design and development of this company’s frontend. You will work with ML and Backend Engineers to develop a performative and scalable, AI-integrated frontend. Further responsibilities include:

• Leading the design and architecture of their React frontend
• Working with a team building at a high rate of speed where being able to operate autonomously is a must
• Integrating artificial intelligence into the frontend
• Focusing on optimization, evaluation, observability, and integrations
• Ensure code quality and reliability through best practices in testing, documentation, and version control.

SKILLS & REQUIREMENTS

• Extensive experience in React/Typescript
• Experience working at a high rate of speed w
• Frontend design and development from 0-1
• Comfort working in an evolving, dynamic space where you’ll need to wear multiple hats.
• Must be able to work in their Brooklyn office 5 days a week

THE BENEFITS

As a Founding Frontend Engineer, you will receive a base of up to $250,000 + SIGNIFICANT equity.

HOW TO APPLY

Please register your interest by sending your resume to Danny Macdonald via the Apply link on this page.

KEYWORDS

TypeScript, React, PostgreSQL, Docker, Rust, Tailwind, Remix.JS, UI Design

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FOUNDING BACKEND ENGINEER
LLM STARTUP
BROOKLYN, NY (ONSITE)
$200,000 – $250,000 BASE

THE COMPANY

Harnham is partnered with a cutting-edge startup in the technology space looking to ease the burden of LLM development and deployment. They are seed-funded and looking to hire multiple founding engineers across various pieces of their stack. This role will focus on backend development in Rust.

THE ROLE – Founding Backend Engineer

This position will report directly to the CTO and completely own the design and development of this company’s backend. You will work with ML and Frontend Engineers to develop a performative and scalable, AI-integrated applications. Further responsibilities include:

• Leading the design and architecture of their backend
• Working with a team building at a high rate of speed where being able to operate autonomously is a must
• Open-source infrastructure
• Focusing on optimization, evaluation, observability, and integrations
• Dealing with massive amounts of data

SKILLS & REQUIREMENTS

• Extensive experience in Rust
• Experience working at a high rate of speed
• Backend design and development from 0-1
• Comfort working in an evolving, dynamic space where you’ll need to wear multiple hats.
• Must be able to work in their Brooklyn office 5 days a week

THE BENEFITS

As a Founding Backend Engineer, you will receive a base of up to $250,000 + SIGNIFICANT equity.

HOW TO APPLY

Please register your interest by sending your resume to Danny Macdonald via the Apply link on this page.

KEYWORDS

Backend Development, Software Engineer, Rust, Clickhouse, Docker, Kubernetes, AWS, GCP, PostgreS, Open-Source

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LEAD FULL STACK ENGINEER
FASHION-TECH
NEW YORK, NY (HYBRID)
$170,000 – $200,000

THE COMPANY

We are working with a cutting-edge tech company working with some of the biggest names in fashion. This company’s gen AI capabilities are making sure clothes are always a perfect fit, and always zero waste.

THE ROLE – Lead Full Stack Engineer

In this role, you will be partnering with product teams and working directly with the business to build and maintain full stack applications. You will get the chance to build both performative backends and beautiful UI/UX. Other responsibilities include:

• Developing full stack web applications
• Collaborating with product, and executive stakeholders to maintain the vision of the company
• Owning projects and being a thought leader within the engineering team
• Helping teammates and designing solutions

SKILLS AND REQUIREMENTS

• BS/MS in Computer Science
• Must be extremely in React and Node (Typescript, Javascript)
• Some UI/UX design experience
• API development experience (Python a plus)

THE BENEFITS

As Lead Full Stack Engineer, you will receive a base up to $200,000 (depending on experience) plus equity. This role also includes health, dental, and vision care.

HOW TO APPLY

Please register your interest by sending your resume to Daniel Macdonald via the Apply link on this page.

KEYWORDS

Full Stack, Lead Software Engineer, Backend Development, Frontend Development, UI/UX, Web Apps, Typescript, Javascript, Python, Fashion, Artificial Intelligence, Shopify

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Senior Data Architect – London – Hybrid – No Sponsorship Available

About the Role
We are looking for a talented Senior Data Architect to join a global consultancy specializing in financial services. This role offers the chance to work on high-impact projects, shaping modern data strategies and solutions for leading financial institutions. If you have a passion for innovation and a deep understanding of data systems, we want to hear from you.

The Company
Our client is a top-tier technology and business consultancy known for its innovative approach and commitment to diversity and inclusion. With a strong presence in the financial services sector, they empower their employees to deliver meaningful results and thrive in a collaborative, inclusive environment.

Key Responsibilities

• Deliver data architecture projects, working closely with clients to design efficient and scalable solutions.
• Provide best practice guidance for data management, architecture design, and optimization.
• Develop modern data architecture frameworks, including cloud migration strategies and governance models.
• Collaborate with multidisciplinary teams to deliver robust, future-ready solutions.
• Drive data transformation initiatives to unlock value and operational efficiency.

Ideal Candidate Profile

• Demonstrable experience in data architecture, strategy, and governance within enterprise settings.
• Expertise in cloud technologies (AWS, Azure, or GCP) with relevant certifications preferred.
• Strong knowledge of data modeling, cloud migration patterns, and data governance tools.
• Hands-on experience with data privacy, security frameworks, and cost management in cloud ecosystems.
• Excellent communication skills, with the ability to convey complex technical concepts to diverse audiences.
• Experience in financial services or other complex industries is advantageous.

What You’ll Gain

• Collaborate with a global network of data professionals and industry experts.
• Work on transformational projects for some of the largest financial institutions.
• Enjoy a flat, inclusive structure where your contributions are recognized.
• Access learning and development programs to enhance your career growth.
• Benefit from family-friendly policies, including enhanced leave and wellness support.

If you’re ready to elevate your career and make a meaningful impact, apply now for this exciting opportunity as a Senior Data Architect.

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Job Title: Senior Machine Learning Platform Engineer

Location: Fully remote – company based in San Francisco, CA.

Role Overview:

We are seeking a skilled Machine Learning Platform Engineer with a strong background in software engineering and systems design. You will play a key role in developing and optimizing scalable systems that power real-time ML applications, including pricing, curation, and fraud detection. Working at the intersection of machine learning and infrastructure, you’ll handle high-throughput data requests and ensure the stability of mission-critical systems.

Company Information:

Our client is a late-stage e-commerce startup that has a high-traffic, low-latency environment.

Key Responsibilities:

• Design, develop, and deploy machine learning platforms and infrastructure solutions.
• Work with scalable systems that process millions of real-time requests per second.
• Implement and optimize data systems, including Redis, DynamoDB, Kafka, Snowflake, and other databases.
• Develop systems and workflows for pricing, curation, and fraud detection.
• Leverage technologies like Temporal and Airflow for workflow orchestration and deployment automation.
• Collaborate with cross-functional teams to ensure seamless integration of ML systems in production.
• Debug, optimize, and enhance infrastructure to meet performance and reliability goals.
• Support online/e-commerce operations with scalable, low-latency systems.

Preferred Qualifications:

• MUST HAVE – infrastructure development of machine learning platforms.
• Proficiency in AWS or other cloud platforms, and ability to code in Python and SQL.
• Knowledge and experience in key machine learning technologies like PyTorch, Tensorflow, Scikitlearn, and XGBoost.
• Strong foundation in software engineering and systems design principles.
• Experience with NLP systems and infrastructure components.
• Proven ability to work on high-scale systems in production environments.
• Familiarity with real-time data processing and workflow orchestration tools.
• Prior experience in online/e-commerce or similar industries is a plus.
• Exposure to fraud detection systems is highly desirable.
• Knowledge of best practices for handling large-scale data pipelines.

What We Offer:

• 100% healthcare, vision, and dental coverage.
• Company equity package.
• Competitive compensation, benefits, and professional growth opportunities.

All applicants must be fully authorized to work in the U.S.

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INVESTMENT DATA ANALYST SPECIALIST
LONDON – IN OFFICE REQUIREMENT
COMPETITIVE SALARY & BENEFITS

Are you passionate about turning raw data into valuable insights? Do you have experience in the financial industry and strong technical skills? We are seeking a talented Data Analyst to join our growing team and help us enhance our data capabilities.

THE COMPANY:
They are an investment management firm based in the UK, authorised and regulated by the FCA. The firm is also registered with several financial authorities in the US and is a member of the National Futures Association (NFA). Their team operates globally, with offices globally and over 200 employees.

The firm is committed to delivering consistent long-term returns for their investors, working within a well-defined risk framework. They focus on various investment strategies in both developed and emerging markets.

THE ROLE:
They are looking for an experienced Data Analyst to complement their team as they enhance their data practices, policies, and platforms. You will work closely with the front office, technology teams, and key data consumers, acting as a content and subject-matter expert. Your role will involve significant exposure to various data types used in alpha-generation, with ample opportunities to master different tools and skills.

YOUR SKILLS AND EXPERIENCE:

• Experience in a similar role within the financial industry.
• Proven ability to manage and transform raw datasets into actionable insights.
• Detailed knowledge of different asset classes.
• Familiarity with data vendors and broader industry data.
• Experience interrogating vendor data endpoints using Python or SQL.

HOW TO APPLY:
Please register your interest by sending your CV to Callum Aris via the apply link on this page. (The company has outlined a fully remote interview process and has a remote onboarding policy in place).

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YIELD ANALYST (12-MONTH FTC)

£45,000 – £55,000

LONDON – 3X A WEEK

Please note that this company cannot offer sponsorship and you must be a UK resident to apply.

THE COMPANY

This premium content and experience conglomerate manages the digital real estate for 16 major brands, circulating over 26 million print copies a year and reaching 21.1 million unique UK digital users monthly.

THE ROLE

You’ll be part of the commercial finance team, running reports on advertising, revenue, inventory, and the rates they sell at. You’ll also conduct analysis to explain relationships to key stakeholders within the business. For example, if inventory is up or down, why is this, and what are the trends?

SKILLS + EXPERIENCE

• Digital Advertising experience ideally within a publisher
• Excel is essential – VLOOKUP, Pivot tables etc
• Google Ad Manager

HOW TO APPLY

If this sounds like the role for you, swiftly send over your CV to Izzi at Harnham by using the link below.

KEY TERMS

IBM, Coremetrics, Google Analytics, GA, Omniture, SiteCatalyst, Adobe Analytics, Analyst, Web, Digital, Online, Website, Financial Services, Finance, A/B, Test, Split, Multivariate, MVT, Tracking, Code, Tagging, Tags, Insight, Client, Agency, Management, Strategy, CRO, Conversion, Optimisation, Optimizely, Test and Target, Adobe Target, Maxymiser, VWO, Visual Website Optimiser, Tag Manager, Tag-manager, Tagging, Tag Management, Set Up Tags, Manage Tags, Manage Tagging, Managing Tags, Managing Tagging, Setting Up Tags, Analytics Tracking, Implement Tags, Implement Tagging, Tagging Implementation, Tag Implementation, Tracking Implementation, Analytics Implementation

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Medior Data Engineer

Location: Amsterdam

Salary: 65000/70000 EUR

About the Company
We are a rapidly growing EdTech company that empowers students worldwide by facilitating access to educational content. Our platform serves over 50 million students monthly, establishing us as a key player in the fast-evolving EdTech space. Driven by a strong product-market fit, we continuously innovate to reduce educational disparities and improve student success globally.

About the Role
Data is the cornerstone of our success. Our team leverages terabytes of data to guide decision-making and propel the company’s growth. As we scale, we are investing heavily in our data infrastructure to transition from diagnostic analytics to predictive and prescriptive analytics powered by machine learning.

As a Medior Data Engineer, you’ll play a pivotal role in enhancing our data capabilities, working alongside a talented team of engineers, scientists, and analysts. You’ll contribute to our robust AWS-based data stack, which includes tools such as Airflow, Redshift, dbt, Spark, Kubernetes (Fargate), and Terraform. This position offers hands-on opportunities in data engineering, with the potential to assume ownership of specific technical processes over time.

What You’ll Be Doing

• DataOps Support: Optimize and maintain data pipelines, automate workflows, and troubleshoot systems while collaborating with DevOps and documenting processes.
• Hands-On Data Engineering: Build and refine data pipelines, integrate external data sources via APIs, and manage pipeline incident resolution.
• Ownership Opportunities: Take initiative within data engineering projects, with the chance to gradually assume ownership of technical processes.
• Cross-Functional Collaboration: Work with teams across the company to meet ad hoc data requirements, ensuring data engineering supports broader company goals.

Requirements

• 3+ years of experience in data engineering with a strong software engineering background.
• Proficiency in SQL and at least one scripting language (Python, Java, Scala, etc.).
• Familiarity with distributed computing technologies, particularly Spark.
• Experience with data orchestration tools such as Airflow and ELT frameworks like dbt.
• Knowledge of infrastructure as code (e.g., Terraform) and software engineering best practices (KISS, DRY principles).
• Strong communication skills to explain technical problems to technical and non-technical audiences.
• Collaborative team player with curiosity and resilience to tackle diverse challenges.

Why You’ll Love Working Here

• Be part of shaping a product that impacts tens of millions of users.
• Join a data-driven, ambitious organization with a focus on hyper-growth and innovation.
• Enjoy a supportive culture that values learning and development, with minimal bureaucracy.
• Contribute to impactful data-driven applications in a dynamic EdTech environment.

This is your opportunity to join a forward-thinking, data-first team and play a significant role in transforming the education sector. Apply today and become part of a mission-driven company that values innovation and personal growth!

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