DATA ENGINEERING AND BIG DATA
TALENT SOLUTIONS
Processing Big Data has become crucial to countless businesses. Those who decide to pursue a career within Big Data face complex development challenges, too tough for relational database systems. After all, there is no Data Science without Data Engineers.
Whilst businesses may have vast quantities of data at the ready, it holds no real value unless it can be stored, harnessed and utilised. It’s estimated that most UK companies have at least 100 terabytes of data stored which could be used for various purposes around the business, as well as newly accessible hard-to-process sources such as web data, image data, and social media data.
This is where those who work in Data Engineering become extremely valuable, as they develop Data Platforms that allow this kind of volume to be processed and used by Data Scientists and analysts across the business.
WHY
HARNHAM?
Our esteemed position as a global leader in data recruitment stems from our deep expertise in Big Data and Data Engineering, supported by hundreds of dedicated specialists located across the United States, Europe, and the United Kingdom.
Our extensive network enables us to deliver exceptional recruitment services, expertly matching our clients with top-tier Data Engineering talent.
We acknowledge the distinct challenges and requirements of each organization's data infrastructure.
Therefore, our recruitment strategies are meticulously tailored, emphasizing a thorough understanding of and alignment with your specific business objectives and data technological needs.
OUR
SERVICES
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Permanent and Contract Recruitment: We offer both permanent and contract recruitment solutions, adapting flexibly to support the dynamic requirements of your Big Data and Data Engineering projects.
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Executive Search: Our executive search service focuses on identifying and securing top-tier leaders in the Data Engineering domain who can advance your strategic goals and technological advancements.
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Industry-Specific Expertise: Our operations span multiple industries, providing specialized recruitment solutions tailored to the distinctive challenges and opportunities of your sector.
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Contact us today to discover how our custom talent solutions can bolster your organization's Data Engineering prowess.
JOBS
LATEST
OPPORTUNITIES
Harnham are a specialist Data & AI recruitment business with teams that only focus on niche areas.
Frontend Engineer (React)
$60000 - $80000
+ Data Engineering
PermanentUSA
To Apply for this Job Click Here
About the Company
Our client is on a mission to make high-quality math education accessible to every student, no matter where they live. Our platform blends handwriting, speech, and text with cutting-edge AI to create personalized, interactive learning experiences.
The Role
We’re looking for a React Developer who thrives on creating playful, modern interfaces that engage K-12 learners. You’ll help build features that feel alive and intuitive, with delightful animations and clean design. You’ll work closely with designers, founders, and AI engineers to create an experience students love.
This is a unique opportunity to shape the front-end of a global edtech product from the ground up. You must be comfortable working within a start up environment, on a small team.
Responsibilities:
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Own and build new features for student and parent dashboards using React, Tailwind, and Shadcn.
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Design smooth animations and thoughtful micro-interactions.
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Collaborate across design, AI, and backend teams to create multimodal (handwriting, speech, text) experiences.
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Write clean, maintainable code with strong state management.
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Contribute to the component library and advocate for front-end best practices.
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Continuously improve UX and suggest new ideas to enhance engagement.
Experience required:
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2+ years of experience building production-grade React apps.
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Must have experience with component-based architecture and state management (Redux, Zustand, Jotai, etc.).
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Must have experience with handling side effects and asynchronous operations (e.g., with useEffect, useSWR, React Query)
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Experience with Tailwind CSS and/or Shadcn UI (or similar libraries).
- Must be able to code in JavaScript/Typescript without assistance
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Self-motivated, collaborative, and comfortable in a fast-paced startup environment.
Bonus Points If You Have
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Experience in K-12, edtech, or accessibility-focused applications.
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Familiarity with animation libraries (Framer Motion, Lottie, etc.).
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Exposure to audio/image/speech integrations or AI-based products.
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Backend familiarity with Python/Django or working with AI services.
Note: This candidate must be authorized to work in the U.S. We cannot provide sponsorship for this role now or in the future. We will not accept C2C applicants and are not looking to partner with outside vendors.
Name:
To Apply for this Job Click Here
Engineering Manager GDS
€69000 - €76000
+ Data Engineering
PermanentFrance
To Apply for this Job Click Here
ENGINEERING MANAGER GDS
UP TO 76K€ FIXES + 10% variable
FULL REMOTE
Une entreprise innovante dans le sud de la France recherche un profil Engineering Manager pour accompagner les équipes de développeurs et mettre en place des good practices.
LE POSTE
En tant qu’Engineering Manager, vous piloterez une équipe de 10 personnes dont des développeurs backend. Vous serez responsable de l’architecture et de la supervision des aspects techniques de la mise en Å“uvre, de l’intégration, de l’optimisation et de l’innovation des systèmes de transport. Ce poste combine une expertise technique approfondie dans les secteurs de l’aviation et du transport avec de solides compétences en leadership et en réflexion stratégique :
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Assurer l’alignement des décisions techniques avec les objectifs stratégiques de l’entreprise, en mettant l’accent sur la satisfaction client et l’optimisation des coûts GDS, tout en gérant les budgets et les relations avec les parties prenantes clés.
-
Diriger le développement et l’implémentation des stratégies d’ingénierie du transport, en intégrant les technologies GDS et NDC
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Veiller au respect des réglementations en matière de santé, de sécurité et des normes de l’industrie dans tous les aspects techniques et opérationnels.
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Encadrer, former et développer votre équipe en favorisant une culture d’innovation et d’amélioration continue.
-
Travailler en étroite collaboration avec les équipes Produit, Data Science et Expérience Client pour assurer une approche cohérente et performante.
VOTRE PROFIL
- Bac+5 en école d’ingénieur ou université
- 8-10 ans d’expérience en développement backend (Java, Go ou Php) dans le domaine du transport ou au sein d’une startup en forte croissance
- Minimum 5 ans d’expérience en management d’équipe de développeurs
- Connaissance de l’industrie aérienne et des systèmes GDS
- Forte aptitude à communiquer des concepts techniques complexes à des parties prenantes techniques et non techniques
- Bon niveau d’anglais
C’est un poste en CDI, non ouvert au freelance et en full remote.
POUR POSTULER
Merci de me faire part de votre CV et je vous recontacterai au plus vite.
To Apply for this Job Click Here
Senior Software Engineer (Python)
London
£100000 - £110000
+ Data Engineering
PermanentLondon
To Apply for this Job Click Here
Role: Senior Software Engineer (Python)
Salary: £100,000-£110,000 + Bonus
WFH: Hybrid – 2-3 days/week in-office (Central London)
Overview
Our client is a profitable and fast-growing UK fintech helping over 800,000 customers improve their financial health. Backed by strong leadership and AI-driven innovation, the company is building a brand-new mobile app and scaling its engineering team to support rapid product delivery.
They’re now hiring a Senior Python Engineer to join this lean, high-impact team and help shape the future of fair, tech-driven credit products.
Key Responsibilities
- Design, build and scale modern APIs and backend services in Python
- Lead technical delivery across greenfield and legacy systems
- Collaborate closely with product and DevOps teams
- Write maintainable, testable, high-performance code
- Influence architecture and mentor junior engineers
- Balance delivery with strategic thinking in a fast-moving environment
Ideal Candidate
- 7+ years of experience in software engineering
- Strong Python (FastAPI, Flask, or Django preferred)
- AWS or Azure cloud exposure
- Frontend awareness (e.g. React)
- Agile mindset; thrives in lean, delivery-focused teams
- Passionate about AI and emerging tech
- Holds a STEM degree (Russell Group or Red Brick ideal)
- UK, ILR or Settled Status required (no sponsorship available)
Benefits
- Up to £110,000 base salary
- Company bonus scheme
- Hybrid working (2-3 days/week in-office)
- 25-30 days holiday + bank holidays
- Enhanced pension & life cover
- Ongoing training and mentoring
- Inclusive, ambitious team culture
Interview Process
- HR Intro + CV Review
- Technical Deep Dive
- Python Task or Design Challenge
- Final with CEO + Leadership (vision & ambition focus)
This is a rare chance to join a profitable fintech scaling fast – and help redefine access to fair financial products in the UK.
To Apply for this Job Click Here
Staff Frontend Engineer
London
£100000 - £115000
+ Data Engineering
PermanentLondon
To Apply for this Job Click Here
Staff Frontend Engineer
Location: Remote (UK-based)
Salary: Up to £115,000
We’re working with our client, a fast-growing SaaS company founded by serial entrepreneurs, to recruit a Staff Frontend Engineer. Their platform is transforming how leading professional services firms interact with complex data-think Figma for financial, legal, and consulting workflows.
Role Overview:
This is a high-impact, hands-on role where you’ll lead the development of scalable, performant features across the stack. You’ll work directly with the CTO and CEO, contributing to architectural decisions and driving innovation. This position is ideal for someone who wants deep technical ownership without people management responsibilities.
Key Responsibilities:
- Build and maintain features using TypeScript, and Vue.js (or React/Angular/Next.js)
- Own architecture and design of key systems and applications
- Develop scalable, secure, and maintainable solutions
- Collaborate closely with senior leadership on high-priority projects
Requirements:
- Essential:
- Expert-level experience in full-stack development (Mainly focused on the frontend)
- Strong knowledge of modern JavaScript frameworks
- Full Stack Experience (Using Node.js, Python or C#)
- Track record of architecting and delivering complex systems
- Ability to work autonomously in a fast-moving environment
- Background in enterprise SaaS product development
- Desirable:
- Experience with Azure and Docker
- Familiarity with data visualisation or diagramming tools
- Exposure to AI-enhanced or real-time user interfaces
To Apply for this Job Click Here
Software Engineer/DevOps Engineer
Worcester, MA
$60 - $70
+ Data Engineering
ContractWorcester, Massachusetts
To Apply for this Job Click Here
Role Overview
We’re looking for someone who can take the lead on building and maintaining release and deployment systems for an advanced software platform connected to physical devices. This person should be comfortable navigating complex cloud setups, managing services running in containers, and contributing to a codebase written in modern systems languages.
What You’ll Tackle
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Set up and manage automated delivery workflows across a major cloud platform, using its full feature set
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Handle container-based environments that support software controlling hardware
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Work through deployment and compilation issues in a modular, service-based system written mostly in Python and C++
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Partner with developers to get up to speed on a sophisticated codebase powering a next-generation physical product
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Make progress independently using thorough documentation and working examples-without needing close oversight
Must-Haves
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5+ years working in roles focused on infrastructure, tooling, or systems
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Hands-on experience managing containers, cloud resources, and release automation (experience with a typed scripting language is key)
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Solid programming fundamentals: understanding data structures and algorithms, and fluency in at least one mainstream language such as Python or C++
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US-based and eligible for federal work (background check required)
Bonus Skills
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Background working with physical hardware, robotics, or edge-connected devices
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Familiarity with declarative environment config tools (e.g., tools that define infra as code)
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Exposure to low-level container runtimes
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Knowledge of modular application design and orchestrated service patterns
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Worked within iterative project management frameworks (or close variants)
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Experience with logging and alerting systems tied to cloud infrastructure
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Enjoys refining development processes and tooling
Other Notes
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We’re open to individuals with 5 to 20+ years in the software world
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This is a US-only opportunity, and all candidates must pass a background screen before joining
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Two technical interviews will be required: one internal, one with the client
To Apply for this Job Click Here
Fullstack Web Systems Applications Engineer
Magnolia
$150000 - $170000
+ Data Engineering
PermanentMagnolia, Texas
To Apply for this Job Click Here
Full Stack Web Applications System Engineer
Remote | HQ in Texas
$150,000-$170,000 base salary
THE COMPANY
Headquartered in Texas, this forward-thinking company combines computer vision, AI, and automation to bring intelligence and precision to industrial quality systems. As their product and customer base expand, they’re growing their engineering team with a focus on technical excellence and ownership.
THE ROLE
As a Full Stack Web Applications System Engineer, you’ll be responsible for the entire lifecycle of web applications-from frontend UI and backend APIs to CI/CD pipelines and production support. In this role, full stack means truly full stack-you’ll architect interfaces, write Python services, manage deployments, and help guide product direction alongside the core engineering team.
SKILLS & EXPERIENCE
- 7+ years of professional experience in full-stack web application development
- Proven ability to handle everything from UI to backend to infrastructure-full ownership of application lifecycle
- Strong proficiency in Vue.js, Python, TypeScript, and Node.js
- Experience designing secure APIs, implementing robust UI architectures, and deploying applications in cloud environments
- Familiarity with AWS, Linux, Docker, and Kubernetes (bonus)
- Hands-on experience with CI/CD pipelines, DevOps tools, and production system reliability
THE BENEFITS
- $150,000-$170,000 USD salary
- 100% remote – Work from anywhere in the U.S.
- High-impact role with ownership and decision-making authority across the full application lifecycle
- Collaborate with a high-caliber technical team in a fast-moving, product-focused environment
To Apply for this Job Click Here
Founding Full-Stack Engineer
New York
$200000 - $300000
+ Data Engineering
PermanentNew York
To Apply for this Job Click Here
Founding Full-Stack Engineer (React + Rust)
AI Infrastructure – Open Source
$200,000 – $300,000 + Equity (~1%)
Onsite – Williamsburg, NYC
Join a deeply technical AI startup as a founding engineer, building the open-source infrastructure powering the future of LLM optimization. With world-class backers and a team of Stanford, Oxford, and CMU alumni, this is an opportunity to own critical product features from day one and help shape a category-defining developer platform.
THE COMPANY
This stealth-mode startup is building an open-source platform that helps teams optimize LLMs in production – think observability, inference routing, and programmatic evaluation in one powerful feedback loop. The company is backed by investors behind OpenAI, ClickHouse, and Anthropic, and has years of runway to support deep open-source investment.
THE ROLE
As Founding Full-Stack Engineer, you will:
- Lead the build of the observability dashboard and core user-facing tools
- Work in React and Rust to craft high-performance, developer-first experiences
- Collaborate directly with the CEO, CTO, and ML researchers to shape product and infrastructure
- Contribute open source code that impacts the broader LLM/devtools ecosystem
- Influence product direction and engineering culture as a true early team member
YOUR SKILLS & EXPERIENCE
- Strong technical foundation with experience driving 0→1 product builds
- Proficiency in React and Rust (must-have)
- Experience designing technical UIs for engineers/ML users
- Track record of OSS contributions or a strong GitHub presence is a plus
- Passionate about developer experience and the craft of software engineering
- Open to H1B or O1 transfer for exceptional candidates
BENEFITS
- $200K-$300K base + meaningful equity (~1%)
- Work alongside an all-technical founding team from Stanford, Oxford, CMU, AWS, and Meta
- Learn from leaders in OSS (Radix UI, RemixJS), Rust, and ML research (NeurIPS, Meta AI)
- Contribute to open-source every day
- Onsite collaboration in a top-tier Brooklyn workspace
To Apply for this Job Click Here
Founding Engineer
New York
$140000 - $180000
+ Data Engineering
PermanentNew York
To Apply for this Job Click Here
Found Engineer
AI Technology
New York, NY
$150,000 – $180,000 + Equity
We’re partnering with a fast-growing AI-native startup that’s revolutionizing hotel operations through automation. They are looking for a Technical Co Founder who can build their engineering team.
The Role:
This is an opportunity to be the first technical leader at a company solving massive, overlooked problems in hospitality. As the Founding Engineer, you’ll lead development across the stack and help bring AI-native workflows-from chatbots to pricing agents-to life. You’ll work directly with the CEO and founding team to architect scalable systems, own key business outcomes, and help define the product experience end-to-end.
Key Responsibilities:
- Build and scale the platform across the full stack (Python, Node, React, AWS)
- Implement agentic solutions using AI frameworks like LangChain and RAG pipelines
- Collaborate closely with the founding team to shape product and technical direction
- Manage and mentor engineers as the team scales
- Translate complex business needs into simple, reliable software that drives results
- Establish engineering best practices, timelines, and delivery standards
Skills and Experience:
- Strong experience in fullstack development using Python, Node.js, and React
- Entrepreneurial mindset-hungry, resourceful, and ready to own the outcome
- Proficiency in AWS and building production SaaS applications
- Exposure to AI/ML concepts, especially chatbots and retrieval-augmented generation
- Exceptional communication and collaboration skills
- Must be NYC-based or open to relocating for a hybrid culture
The Benefits:
As a Founding Engineer, you’ll receive a $150,000 – $180,000 salary plus a performance-based bonus, along with equity. You’ll also help shape the future of a company with massive upside, clear product-market fit, and a team ready to move fast.
Keywords
Founding Engineer, Fullstack, Python, React, Node, AI, LangChain, SaaS, Hospitality Tech, NYC, Startup, Agentic Workflows, Dynamic Pricing, Technical Co-Founder
To Apply for this Job Click Here
Senior Data Scientist / Engineer
Paris
€45000 - €60000
+ Data Engineering
PermanentParis, ÃŽle-de-France
To Apply for this Job Click Here
SENIOR DATA SCIENTIST / ENGINEER
UP TO 60K€ PACKAGE
2-3 JOURS DE TÉLÉTRAVAIL
Python – SQL – Pyspark – AWS – Tableau
Une startup parisienne dans le domaine de la santé recherche un Senior Data Scientist / Engineer expérimenté. Si l’environnement startup vous intéresse, alors cette offre est faite pour vous !
LE POSTE
Rattaché au Head of Data, vous rejoindrez l’équipe data composée de deux personnes. Vous serez en charge de l’extraction, la collecte et l’interprétation des données à fort enjeux business. Vos missions au quotidien :
- Collecter, centraliser et organiser les données s’assurant de leur qualité et leur disponibilité
- Détecter et corriger les données erronées, doublons ou incohérences, tout en garantissant un entrepôt de données bien structuré
- Améliorer occasionnellement des pipelines de données, concevoir des algorithmes d’analyse et des modèles prédictifs fiables, créer des POC sur des sujets IA
- Créer des dashboards, rapports et visualisations claires pour aider les équipes métier à exploiter les données
- Suivre les innovations data, proposer de nouvelles approches/outils pour améliorer les pratiques du pôle data
VOTRE PROFIL
- Bac+5 au sein d’une top 10 école d’ingénieur en mathématiques, statistiques ou data science
- Minimum 3 ans expérience sur un poste similaire au sein d’une startup/scaleup
- Expérience solide avec Python, SQL, Pyspark
- Maîtrise d’un cloud public (AWS, GCP ou Azure)
- Vous êtes autonome, bon communicant et aimez le travail d’équipe
POUR POSTULER
Merci de joindre votre cv à jour et nous reviendrons vers vous rapidement.
To Apply for this Job Click Here
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Industry Hub
HARNHAM
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Testimonials
Client and
candidate
testimonials
A trusted partner of professionals
across the globe.
We understand the challenges our
customers face and offer the
recruitment solutions needed to drive
business success through Data &
AI.
Candidate – Data Analyst
I’ve had a great experience with Harnham. The recruiter provided great advice and ensured that I understood everything, and even followed up with me after I started my new role to see how I was settling in. I would recommend Harnham as a great recruitment company for anyone looking for a role in data and analytics.
Candidate /
Data Analyst
Client – Director of People Operations
We’ve been collaborating with Harnham to recruit some key positions for our company, and they have been incredible partners. They team has been great and efficient. They understood our needs perfectly and provided us very talented candidates. We'll keep collaborating with them in the future. Thank you for your excellent job!
Client /
Director of People Operations
Candidate – Senior Data Engineer
I've been a Senior Data Engineer for about 4-5 years and Harnham is one of the best recruitment agencies I worked with. There was a time when my offer fell through and the recruiter I was working with at Harnham jumped in to the rescue and scheduled interviews for me within a couple of days. Really good agency and some great people.
Candidate /
Senior Data Engineer
Candidate – Market Research Analyst
Thanks to Harnham, I am now in a role that suits me. My recruiter was able to quickly identify the skills I had to offer and match me up with his client. It was a win-win for everyone. I was given great advice throughout the process, and I also appreciated the follow-ups that I received.
Candidate /
Market Research Analyst
Candidate – Chief Data Officer
It was a real treat to work with Harnham. My recruiter consistently went above and beyond to ensure that I navigated through the recruitment process as smooth as possible. I had been in contact with other professional at Harnham in the past and I can attest that the level of professionalism is always top-notch.
Candidate /
Chief Data Officer
Client – Data Direction – Broadcast Media
I have worked with Harnham for over 2 years now as our main Analytics Recruiter partner and I am very pleased with the overall service and the people we have hired via Harnham. Harnham’s team is very good at understanding our recruitment needs and always come back with relevant and well scanned CVs, which saves me precious time.
Client /
Data Direction – Broadcast Media
Candidate – Digital Media and Analytics
I've recently got a short-term contract role through Harnham, and things couldn't have gone better! My recruiter was incredibly helpful throughout the entire process. They also provided incredible admin support so that I could focus on the actual job in hand, rather than having to spend too much time dealing with these matters.
Candidate /
Digital Media and Analytics
Client – Director of Customer Data Science – Apparel
The team at Harnham have been outstanding in helping our company build a market-leading data science team. Harnham’s communication is great, and the recruiter’s take a consultative approach that’s really focused on provided value for both their clients and their candidates. They provide strong candidates that help us fill our roles with high achievers who are also a great fit for our culture.
