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AI, ML, & Data Engineering

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AI, ML, & Data Engineering

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Job Title: Senior Full Stack Engineer Job Type: Contract Contract Length: Initial 12 months Rate: €350 - €380 per day Role Location: Remote (Europe) The Company: A leading European technology company is seeking an experienced Senior Full Stack Engineer to support the development of a scalable digital platform used by businesses across multiple markets. The organisation operates internationally and is focused on delivering high-quality, customer-centric solutions. Role and Responsibilities: Design, build, and maintain full stack applications using TypeScript, Node.js, and modern frontend frameworks (Vue.js preferred). Develop and scale microservices with a focus on performance, reliability, and maintainability. Build responsive, user-friendly web applications and optimise frontend performance. Implement Infrastructure as Code (Terraform or Pulumi) and support cloud-native deployments. Manage and improve cloud infrastructure, primarily within GCP and Kubernetes environments. Create and maintain CI/CD pipelines using modern DevOps tooling. Monitor application health, troubleshoot issues, and improve system observability. Collaborate closely with product, design, and engineering teams to deliver high-quality solutions. Mentor engineers and contribute to technical best practices. Job Requirements: 6+ years of full stack software engineering experience. Strong expertise in TypeScript and Node.js. Commercial experience with Vue.js or similar frameworks such as React or Angular. Experience building microservices and working with SQL and NoSQL databases. Strong knowledge of cloud technologies, particularly GCP, Kubernetes, and containerised applications. Experience with Infrastructure as Code tools such as Terraform or Pulumi. Familiarity with CI/CD tools including GitHub Actions, CircleCI, or ArgoCD. Experience with testing frameworks such as Jest or Cypress. Strong communication and stakeholder management skills. Previous experience within fintech, payments, or highly regulated environments is advantageous. Accessibility Statement: We make an active choice to be inclusive towards everyone every day. Please let us know if you require any accessibility adjustments throughout the application or interview process. Our Commitment to Diversity, Equity, and Inclusion: Our mission is to empower every person, regardless of their background or circumstances, with an equitable opportunity to achieve the career they deserve. We are committed to building diverse and inclusive teams and welcome applications from all qualified candidates.

Job title: Senior Software Engineer Job type: Permanent Salary: $150K – $225K + Equity  Role Location: Boston, United States The Company: We’re partnering with a well-funded, fast-scaling healthtech startup reinventing musculoskeletal care using proprietary AI and 3D-printing technology. The business has developed a web-based, sensor-free AI vision platform that transforms a 30-second scan into a clinically approved, precision-manufactured medical device. Already trusted by Fortune 50 employers, major health systems, and national manufacturers, the platform is expanding access to preventative care for hundreds of thousands of Americans. Fresh off a stealth funding round led by top-tier VCs, the company is: Growing 10x year-over-year Profitable month over month Scaling rapidly toward $100M ARR Operating with a high-ownership, execution-first culture out of Boston This is a rare opportunity to join at a true inflection point - early enough to shape the company, late enough to have real traction. Role and Responsibilities:  We’re hiring one of the founding engineers to help build and scale the core systems behind an AI-driven healthcare platform. You’ll have real ownership from day one, with a clear path to leading engineering as the company grows. You’ll influence architecture, technical direction, and engineering culture - while working on technology that measurably improves patient outcomes. Job Requirements: Strong experience with TypeScript and AWS, including infrastructure and architectural decision-making Proven experience building and scaling backend systems for real-time or AI-enabled applications Deep understanding of API design and developer-facing platforms Experience optimizing data pipelines and system performance at scale Strong fundamentals in security, reliability, and fault-tolerant system design Product-focused: You think deeply about user impact Ownership-driven: You want responsibility, not hand-holding Clear communicator: You can challenge ideas and collaborate effectively Bias to action: You move fast and ship often Mission-motivated: You want your work to change lives, not just metrics Build technology that helps people move without pain Join early enough to shape architecture, culture, and leadership Operate in a no-bureaucracy, high-trust environment Receive meaningful equity in a rapidly scaling, VC-backed healthtech company Clear runway to Head of Engineering as the business grows Accessibility Statement: Read and apply for this role in the way that works for you by using our Recite Me assistive technology tool. Click the circle at the bottom right side of the screen and select your preferences. We make an active choice to be inclusive towards everyone every day.? Please let us know if you require any accessibility adjustments through the application or interview process. Our Commitment to Diversity, Equity, and Inclusion: Signify’s mission is to empower every person, regardless of their background or?circumstances, with an equitable chance to achieve the careers?they deserve. Building a diverse future, one placement at a?time. Check out our DE&I page here

Job title: Senior Machine Learning Engineer Job type: Permanent Salary: $230K - $300,000 + Equity  Role Location: San Francisco, United States The Company: We’re partnering with a well-funded, fast-scaling healthtech startup reinventing musculoskeletal care using proprietary AI and 3D-printing technology. The business has developed a web-based, sensor-free AI vision platform that transforms a 30-second scan into a clinically approved, precision-manufactured medical device. Already trusted by Fortune 50 employers, major health systems, and national manufacturers, the platform is expanding access to preventative care for hundreds of thousands of Americans. Fresh off a stealth funding round led by top-tier VCs, the company is: Growing 10x year-over-year Profitable month over month Scaling rapidly toward $100M ARR Operating with a high-ownership, execution-first culture out of Boston This is a rare opportunity to join at a true inflection point - early enough to shape the company, late enough to have real traction. Role and Responsibilities:  We’re hiring a Senior Machine Learning Engineer to help build the core AI systems behind a next-generation healthcare platform that turns smartphone video into clinically accurate 3D models of human anatomy. You will own the pipeline that bridges raw computer vision data and physical 3D-printed medical solutions, transforming noisy real-world scans into precise, CAD-compatible models used to improve patient outcomes. This role sits at the intersection of machine learning, computer graphics, biomechanics, and real-world manufacturing. You’ll work closely with engineers, researchers, and product leaders to design systems that translate cutting-edge ML research into reliable production technology used in healthcare. Job Requirements: Strong experience building production AI systems around LLMs, OCR, and unstructured data workflows. Proven track record shipping applied AI products, not just prototyping models offline. Deep familiarity with modern LLM workflows including prompting, structured outputs, tool use, retries, fallbacks, guardrails, and model evaluation. Experience with document intelligence systems such as OCR pipelines, document extraction, classification, post-processing, and confidence-based review flows. Experience with voice or conversational AI, or adjacent systems involving transcripts, call automation, and conversational extraction. Strong proficiency in Python and comfort working in production codebases with APIs, queues, and backend services. Experience deploying and operating AI systems in AWS or similar cloud environments, including serverless or event-driven architectures. Strong instincts around evaluation, benchmarking, monitoring, and quality assurance for real-world AI systems. Ability to work across structured and unstructured data and design systems that are robust to noisy, incomplete, and ambiguous inputs. Accessibility Statement: Read and apply for this role in the way that works for you by using our Recite Me assistive technology tool. Click the circle at the bottom right side of the screen and select your preferences. We make an active choice to be inclusive towards everyone every day.? Please let us know if you require any accessibility adjustments through the application or interview process. Our Commitment to Diversity, Equity, and Inclusion: Signify’s mission is to empower every person, regardless of their background or?circumstances, with an equitable chance to achieve the careers?they deserve. Building a diverse future, one placement at a?time. Check out our DE&I page here

Job title: Backend Engineer (Rust) Job type: Permanent Salary: ~€100,000 Role Location: Paris, France (On-site, 5 days per week) The company: An early-stage, product-focused technology company building a large-scale platform. The team is international, collaborative, and focused on creating high-performance systems while fostering deep technical expertise and ownership. Role and responsibilities: Design, build, and maintain scalable backend systems capable of handling high traffic and rapid growth. Develop and maintain shared Rust components used across backend and mobile platforms. Collaborate closely with iOS, Android, and backend engineers to deliver seamless cross-platform experiences. Contribute to feature design, architecture discussions, and technical decision-making. Continuously improve engineering practices and contribute to a culture of learning and innovation. Job requirements: Commercial or open-source experience with Rust or another systems programming language (e.g. C++, C, OCaml). Experience building and maintaining distributed systems in production. Familiarity with technologies such as Kafka, Redpanda, Cassandra, ScyllaDB, or similar. Strong problem-solving skills with an ownership mindset. Interest in building consumer-facing products is advantageous. English communication skills required; additional languages are not essential. Benefits: Competitive salary and comprehensive healthcare. Enhanced family leave policies. Generous annual leave package + company shutdowns. Company-wide summer and winter shutdown periods. Relocation support, including visa sponsorship where applicable. Temporary accommodation on arrival and relocation assistance. Support with local administration and language lessons. Modern central office with excellent transport links. Accessibility Statement: We make an active choice to be inclusive towards everyone every day. Please let us know if you require any accessibility adjustments throughout the application or interview process. Our Commitment to Diversity, Equity, and Inclusion: Signify's mission is to empower every person, regardless of their background or circumstances, with an equitable opportunity to achieve the career they deserve. We are committed to building diverse and inclusive teams where everyone can thrive.

Job Title: Senior AI Engineer Job Type: Contract Contract Length: 6+ Months (Extension Potential) Rate: Competitive Hourly Rate (DOE) Role Location: Central Florida (Hybrid and Onsite Opportunities) The Company: Signify Technology is partnering with innovative organizations across Central Florida that are investing in Artificial Intelligence, Machine Learning, and next-generation software solutions. We are actively building a network of experienced AI Engineers for upcoming consulting engagements with clients ranging from high-growth startups to established enterprise organizations. If you're passionate about developing cutting-edge AI solutions and enjoy working on impactful technology projects, we'd love to hear from you. Role and Responsibilities: Design, develop, and deploy AI-powered applications using modern machine learning frameworks. Build and optimize Large Language Model (LLM) integrations for enterprise applications. Develop Retrieval-Augmented Generation (RAG) pipelines and intelligent automation solutions. Collaborate with software engineers, data teams, and business stakeholders to deliver scalable AI products. Create and consume RESTful APIs to integrate AI services into existing platforms. Deploy and support AI solutions within AWS, Azure, or Google Cloud environments. Monitor, optimize, and improve model performance, scalability, and reliability. Participate in architecture discussions and contribute to best practices for AI development. Job Requirements: 5+ years of professional software engineering experience. 2+ years of hands-on experience developing production AI or Machine Learning solutions. Strong programming experience with Python. Experience working with LLM frameworks such as LangChain, LlamaIndex, OpenAI APIs, Anthropic, or similar technologies. Experience implementing Retrieval-Augmented Generation (RAG) solutions. Familiarity with vector databases such as Pinecone, Weaviate, Chroma, or Milvus. Experience building and integrating RESTful APIs. Cloud experience with AWS, Azure, or Google Cloud Platform. Experience using Git and modern CI/CD practices. Excellent communication skills and the ability to work within cross-functional Agile teams. Preferred Qualifications: Experience with Hugging Face or open-source LLMs. Kubernetes and containerization experience. MLOps experience. Experience developing AI agents or autonomous workflows. Previous consulting or client-facing experience. Experience within SaaS, Healthcare Technology, FinTech, Robotics, Manufacturing, or Cloud Technology environments. Accessibility Statement: We make an active choice to be inclusive towards everyone every day. Please let us know if you require any accessibility adjustments through the application or interview process. Our Commitment to Diversity, Equity, and Inclusion: Signify’s mission is to empower every person, regardless of their background or circumstances, with an equitable chance to achieve the careers they deserve. Building a diverse future, one placement at a time. Check out our DE&I page here.

Job title: DevOps Engineer  Job type: Contract  Contract Length: 3 month rolling Rate: Up to $160 per hour Role Location: San Francisco - Hybrid, downtown  The company:  A formidable AI product studio based in San Francisco, which have launched products including a digital twin for online commerce, predictions markets and its own proprietary open source LLM.  $60 mill in funding so far, with a an extensive customer base for its various products.  Role and Responsibilities:  Design, build, and maintain cloud infrastructure using infrastructure-as-code Build and improve CI/CD pipelines to support frequent, reliable deployments Manage containerized workloads and orchestration for production services. Support GPU or compute-heavy workloads used for AI training and inference Partner with engineering teams to troubleshoot production issues and improve system reliability. Contribute to security and compliance practices across the infrastructure Job Requirements:   Multi cloud experience: (AWS, GCP, or Azure).  Deep Terraform and Kubernetes experience.  Experience building and maintaining CI/CD pipelines Strong scripting ability (Python, Bash, or similar).  AI pilled and experience working in an VC backed scale up.  Accessibility Statement: We make an active choice to be inclusive towards everyone every day.? Please let us know if you require any accessibility adjustments through the application or interview process. Our Commitment to Diversity, Equity, and Inclusion:  Signify’s mission is to empower every person, regardless of their background or?circumstances, with an equitable chance to achieve the careers?they deserve. Building a diverse future, one placement at a time. 

Job Title: Senior Bioinformatics Scientist Job Type: Permanent Salary: $170,000–$190,000 USD per year + bonus Role Location: San Francisco, CA (hybrid role) Visa Requirements: No sponsorship provided. The Company: Our client is an emerging leader within biotechnology, headquartered in the vibrant tech hub of San Francisco, California. Their mission is to empower scientists worldwide by accelerating biotech research through innovative DNA sequencing and analysis tools. Every day, thousands of innovators—including Nobel Prize winners, biotech startups, and research labs—rely on their solutions to drive world-changing discoveries in healthcare, sustainability, and beyond. In 2024, they saved researchers 2 million hours, transforming their productivity. Join their dynamic, collaborative team to shape the future of science. Role and Responsibilities: As a Senior Bioinformatics Scientist, you’ll lead the charge in building cutting-edge bioinformatics workflows that power faster, smarter science. Collaborating with a passionate team of scientists, bioinformaticians, and software engineers, you’ll drive innovation and mentor others in a creative, high-impact environment. Your key responsibilities include: Designing and optimizing high-performance bioinformatics pipelines for processing thousands of daily samples, leveraging tools like Snakemake and cloud deployments. Innovating sequence analysis workflows for bulk/single-cell RNAseq, differential gene expression, and large-scale genomics, ensuring robust and scalable solutions. Troubleshooting complex sequencing data challenges, from biological artifacts to platform-specific issues, to ensure reliable outputs. Developing intuitive web tools (e.g., Streamlit, R Shiny) and data visualizations to transform raw bioinformatics data into actionable insights. Providing thought leadership and mentoring junior team members, fostering a culture of innovation and collaboration. Staying ahead of industry trends, integrating emerging bioinformatics tools to enhance our offerings for biopharma and research clients. Job Requirements: Education and Experience: PhD in Biological Sciences, Bioinformatics, Computational Biology, or related field, with 3+ years of experience developing production-level bioinformatics pipelines. Required Qualifications: Deep expertise in analyzing bulk/single-cell RNAseq data and performing differential gene expression using state-of-the-art tools. Significant experience building production-level Snakemake (or Nextflow) pipelines, with local and cloud-based deployments. Strong knowledge of sequence analysis (alignment, assembly) and molecular biology, with experience in Oxford Nanopore and Illumina sequencing. Proficiency in Python (numpy, pandas, Jupyter, Biopython) and package management (e.g., Conda). Hands-on experience with Docker, Apptainer, or Singularity for containerized workflows. Expertise in Git/GitHub and Linux shell scripting for version control and automation. Proficiency in developing intuitive web tools for bioinformatics reporting (e.g., R Shiny, Streamlit). Familiarity with public genomic data repositories (e.g., NCBI, Ensembl) and large-scale genomic data processing. Strong communication skills and ability to write clean, maintainable, production-ready code. Preferred Qualifications: Experience with compiled languages (C++, Rust) for performant software development. 1+ year of molecular biology wet lab experience. Demonstrated ability to develop novel bioinformatics algorithms. Strong interest in creating intuitive data visualizations for scientific insights.   Benefits: Competitive Compensation: Highly competitive remuneration. Generous Time Off: 4 weeks paid time off + 10 paid holidays. Comprehensive Health Coverage: Health, dental, and vision insurance, plus life insurance and mental health coverage. Retirement and Wellness: 401(k) with matching, Health Advocate services, and gym membership. Impactful Work: Contribute directly to accelerating biotech research, supporting novel therapies and sustainability. Innovative Environment: Work with cutting-edge tools (e.g., Snakemake, Streamlit, AWS) and collaborate with top-tier researchers. Supportive Culture: Join a passionate, inclusive team that values creativity, mentorship, and professional growth.

Job title: Senior Salesforce Commerce Cloud Developer Job type: Contract Contract Length: 6-months Rate: $25 per hour Role Location: 100% Remote (LATAM) The company: This opportunity is with a growing checkout and payments technology company that's rethinking how people complete purchases online. They power one-click checkout for well-known retail and fashion brands, connecting into a network of tens of millions of US shoppers, helping merchants convert more of their traffic into completed purchases. Role and Responsibilities: This is a senior, high-ownership role. You'd be leading complex SFCC builds, working deep in SFRA, and driving performance and architecture decisions rather than just executing tickets. There's also a mentorship component, guiding junior developers on SFCC best practices as the team scales. The stack leans heavily on JavaScript, with real focus on advanced customization, site speed, and getting the most out of what SFCC and its ecosystem of third-party tools can do. Lead development of complex SFCC applications, drawing on strong programming skills and deep platform knowledge Mentor junior developers on SFCC development techniques and best practices Optimize SFCC code for performance, site speed, and scalability Design and architect software solutions on SFCC that are built to scale and easy to maintain Push adoption of advanced SFCC features and third-party tools to extend what the application can do Work closely with cross-functional teams to fit SFCC components into the broader e-commerce setup Job Requirements: Salesforce Commerce Cloud (SFCC) experience with working knowledge of SFRA (Storefront Reference Architecture) 3+ years of hands-on experience with Salesforce Commerce Cloud JavaScript development Experience with APIs and web services Experience with database technologies Advanced understanding of algorithms and data structures Basic IT infrastructure knowledge Experience designing and building software modules for production applications Comfortable writing and implementing unit tests Familiarity with CI/CD pipelines Accessibility Statement: We make an active choice to be inclusive towards everyone every day. Please let us know if you require any accessibility adjustments through the application or interview process. Our Commitment to Diversity, Equity, and Inclusion: Signify's mission is to empower every person, regardless of their background or circumstances, with an equitable chance to achieve the careers they deserve. Building a diverse future, one placement at a time. Check out our DE&I page here

??????Job title: Senior Acumatica Construction Consultant Job type: Permanent Salary: $110,000 - $130,000 + bonus Role Location: US Remote Visa requirements: US Work Authorization Required (no visa sponsorship) The company: Our client is a leading Acumatica partner delivering successful ERP implementations for clients across the construction sector. They are looking for a Senior Acumatica Construction Consultant to join their growing team and play a key role in leading these implementations from end to end. Role and responsibilities: Leading end-to-end Acumatica ERP implementations for construction clients. Gathering business requirements and translating them into effective ERP solutions. Configuring Acumatica Construction Edition, including project accounting, job costing, payroll, retainage, compliance, and subcontract management. Facilitating workshops and providing trusted advisory services to stakeholders. Delivering user training and post-go-live support. Collaborating with technical consultants and developers on solution design and customisations. Mentoring junior consultants and contributing to best practices across the consulting team.   Job requirements: Minimum 4+ years of hands-on Acumatica consulting experience. Strong experience implementing Acumatica Construction Edition or delivering ERP solutions within construction, contractors, engineering, or specialist trades. Deep understanding of construction business processes, including: Project Accounting Job Costing Project Management Change Orders Retainage Progress Billing Compliance & Subcontract Management Excellent client-facing consulting and stakeholder management skills. Strong workshop facilitation, business analysis, and solution design experience. Ability to manage multiple client projects in a fast-paced consulting environment. Acumatica certifications are highly desirable. Benefits: Competitive base salary with performance-related incentives. Comprehensive health, dental, and vision insurance. 401(k) retirement plan with employer contribution. Generous paid time off and paid holidays. Flexible and/or remote working arrangements. Professional development support, including certifications and training. Opportunities for career growth within a growing organisation. Accessibility Statement: Read and apply for this role in the way that works for you by using our Recite Me assistive technology tool. Click the circle at the bottom right side of the screen and select your preferences.     We make an active choice to be inclusive towards everyone every day.? Please let us know if you require any accessibility adjustments through the application or interview process.     Our Commitment to Diversity, Equity, and Inclusion: Signify’s mission is to empower every person, regardless of their background or?circumstances, with an equitable chance to achieve the careers?they deserve. Building a diverse future, one placement at a?time.   Check out our DE&I page here  

Job title: Senior QA Engineer (Mobile) Job type: Contract Contract Length: 12 months. Rate: €400 per day Role Location: Berlin, Germany (Hybrid – 2 days per week on-site) All candidates must be based in Germany, and able to work B2B/as a contractor to be considered. Those who cannot will not be considered The company: An established European fintech company providing payment infrastructure to e-commerce and retail businesses across multiple countries. The team you'd join supports mobile point-of-sale applications used by merchants in retail and hospitality settings. Role and Responsibilities: Test Android and iOS point-of-sale applications that connect with card payment terminals, receipt printers and barcode scanners Build and maintain test automation in TypeScript, integrated with the team's test management tooling Design and maintain test plans for new and existing features, keeping test case coverage up to date Test communication between in-house applications, including customer-facing displays Cover API and database testing across teams Take an active role in exploring AI tools to support day-to-day QA work Take part in code reviews and testing across multiple environments Job Requirements: 4+ years' experience testing mobile applications on iOS and Android Test automation experience in TypeScript with tools such as Appium or similar cloud device testing platforms Strong background in test case design and structured test planning Solid knowledge of data structures and databases, particularly PostgreSQL and SQLite Experience testing APIs, for example with Postman Experience testing hardware devices and inter-device communication Experience in release management Fintech, payments, retail or hospitality POS background is a plus Playwright and Selenoid experience is a plus Accessibility Statement: We make an active choice to be inclusive towards everyone every day. Please let us know if you require any accessibility adjustments through the application or interview process. Our Commitment to Diversity, Equity, and Inclusion: Signify's mission is to empower every person, regardless of their background or circumstances, with an equitable chance to achieve the careers they deserve. Building a diverse future, one placement at a time.