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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.

Principal Python Engineer, London, Europe's Largest Equities Exchange   We are working exclusively with one of the world's largest exchange operators on a Principal Python Engineer hire in London. This is a senior individual contributor role within a small, highly skilled engineering team building and expanding the data pipeline and event streaming infrastructure that powers the largest equities exchange in Europe.   The Role   You will lead complex engineering projects end to end, working closely with business development and sales teams to deliver new products and features, and mentoring engineers across Europe and the US. The team takes software craftsmanship seriously — testable, maintainable code, pair programming and TDD are core to how they work.   Tech Stack   Expert Python, advanced SQL, deep Linux knowledge PostgreSQL, Snowflake Apache Kafka, Apache Airflow Django, Flask or FastAPI TDD, BDD, pair programming Java familiarity a plus   What They Are Looking For   Principal or Staff level Python engineer with strong leadership skills Degree in Computer Science or related field preferred Financial markets experience a strong plus — market data, order management, algorithmic trading or financial systems integration Someone who takes genuine pride in code quality and engineering standards   The Package   Competitive salary and incentive compensation Private medical including dental, private GP service, life insurance 7% pension contribution, no employee contribution required 25 days holiday rising to 30, complimentary lunch daily 4 days in office, London  

? Hiring: Python Software Engineer | London | 4 Days On-Site   £80-90K +15% Bonus   I'm working with a leading financial markets and trading technology organisation that is looking for a Python Software Engineer to join its engineering team in London. You'll help build and enhance critical market infrastructure, including data pipelines, event streaming platforms, and real-time systems that support high-volume trading environments.   ? What you'll be doing: • Building reliable, scalable Python applications and services • Designing and enhancing data pipelines and event-driven architectures • Working closely with product, commercial and engineering teams to deliver new features • Contributing to system design, R&D initiatives, and technology improvements • Troubleshooting complex technical and operational challenges • Participating in production support and continuous improvement activities   ? Key requirements: • Strong Python development experience • Solid understanding of algorithms and data structures • Strong SQL skills and experience writing complex queries • Linux knowledge • Commitment to writing clean, maintainable, and testable code   ? Desirable experience: • TDD, BDD, or other testing methodologies • PostgreSQL and/or Snowflake • Django, Flask, or FastAPI • Apache Kafka • Apache Airflow • Java

Job title: Senior Front End Rails Engineer Job type: Contract  Contract Length: 12-Month Contract (Ongoing) Rate: $70 - $85 per hour Role Location: US Remote The company:  A fast-growing AI-native learning platform helping organizations train employees, customers, and partners at scale. Unlike competitors who bolt AI onto legacy systems, this platform was built AI-first from the ground up — with a natural-language agentic interface connecting content creation, administration, delivery, personalization, and analytics in one unified system. They help companies launch training in minutes, not months, and are actively redefining the LMS industry Role and Responsibilities: As a Senior Front End Rails Engineer, you will architect and build core systems that power the platform at scale. You'll own complex technical challenges, drive design decisions, and set a high bar for code quality, performance, and reliability. You'll also mentor engineers, influence best practices, and partner closely with cross-functional teams to deliver impactful software.  Job Requirements:   7+ years of professional software engineering experience in scalable, high-performance production environments Strong proficiency in Ruby on Rails, JavaScript, and at least one modern frontend framework (React, Vue, or Angular) Deep expertise in OOP principles and system architecture Hands-on experience with cloud platforms (AWS, Azure, or GCP) and distributed systems Demonstrated technical leadership — mentoring engineers, facilitating alignment, contributing to sound technical decision-making Strong communicator, able to articulate technical concepts clearly to cross-functional stakeholders   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 Fullstack Engineer Job type: Contract Contract length: 12 months (initial) Rate: TBC Role location: Remote (Must be in the EU) The company: A well-established European fintech business operating across multiple countries, focused on payment solutions for e-commerce and retail. With a team of 700+ across several European offices, they are building a unified commerce platform used by businesses across the continent. Role and responsibilities: Architect, develop, and maintain end-to-end fullstack solutions using TypeScript, Node.js, and Vue.js Build and scale microservices with a focus on performance and reliability Implement Infrastructure as Code (IaC) using Terraform or Pulumi Manage cloud infrastructure on GCP, leveraging Kubernetes for container orchestration Build and maintain CI/CD pipelines (CircleCI, GitHub Actions, ArgoCD) Monitor and troubleshoot system performance using observability tooling (e.g. Datadog) Deliver responsive, mobile-first, cross-browser UIs to a high standard Collaborate closely with product, design, and engineering teams Mentor junior team members and support knowledge sharing across the team Job requirements: 6+ years of fullstack development experience with strong TypeScript and Node.js skills 2+ years of experience with Vue.js (or comparable frameworks such as React or Angular) Solid understanding of microservices architecture and relational/NoSQL databases (e.g. PostgreSQL) Hands-on experience with GCP, Kubernetes, and containerised deployments Proficiency with CI/CD tooling and testing frameworks (Jest, Cypress) Experience with component libraries, design systems, and frontend architecture best practices Strong communicator with a collaborative, mentoring mindset Fintech or payments industry experience is a plus

Job title: Sr. Software Engineer Job type: Contract Contract Length: 6-months Rate: $30 - $40 per hour Role Location: Remote - Latam The Company: A fast-paced, product-led engineering team building a mission-critical collaborative editing platform used by professional writers across live television, AAA video game production, and soon film. Think Google Docs, but purpose-built for the entertainment industry, with a robust API that acts as infrastructure for entire production teams. Role and Responsibilities:  Own end-to-end engineering across front end and back end - most work centers on complex front-end UX interaction and rendering Participate in Infrastructure as Code development and optimization using Terraform and AWS Contribute to team culture through clear communication, closing the loop on decisions, and collaborating effectively with both technical and non-technical teammates Participate in incident response and operational support — the team owns its own ops and handles rare incidents directly Job Requirements: 7+ years of hands-on software engineering experience Mastery of React/Next.js and TypeScript with deep experience in complex, interactive front-end development beyond standard web applications Experience with real-time collaboration tools or low-latency distributed system challenges; understanding of persistent data structures Strong communication skills and high EQ - able to work closely in a small, agile team and collaborate effectively with non-technical stakeholders Familiarity with back-end frameworks: NestJS, Prisma, Node.js Comfortable working with Postgres, Terraform, and AWS Experience with CI/CD pipelines and a no-console-changes discipline Experience with Stripe or Okta 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    ?   

Senior SRE Manager, London, Global Exchange Operator London based, 4 days in office   We are working exclusively with one of the world's largest exchange operators, a business that sits at the heart of global financial markets across equities, options, futures and FX. They are looking for a Senior SRE Manager to be based in London, leading platform reliability across their European operations and global trading hours coverage.   The Role This is a senior leadership position sitting at the centre of a follow-the-sun support model. You will have direct oversight of SRE teams across European and APAC time zones, owning platform availability, incident response and operational excellence for some of the world's most critical low latency trading infrastructure. Alongside the people leadership element, you will be technically hands-on, troubleshooting complex production issues, driving automation and contributing directly to platform performance and capacity planning.   Tech Stack Low latency, bare-metal trading platforms bare metal Linux systems only (no cloud or kubernetes) UNIX shell, SQL, Python, C++ TCP/IP and Multicast networking   What They Are Looking For Proven SRE or technical operations leadership in financial markets or similarly critical infrastructure Strong understanding of US and European market structure, equities, options or futures Experience leading distributed, globally dispersed teams Excellent communicator, able to bridge technical and business stakeholders across time zones Background in software engineering or systems, network and database administration

Job title: Senior Backend Software Engineer — Python Job type: Contract Contract Length: 12 Months Rate: $35 — $45 per hour Role Location: Monterrey, MX | Hybrid The company: A fast-growing technology company building the infrastructure that powers a modern, regulated digital entertainment platform. Their proprietary engine enables partners to launch fully customized, legally compliant products that combine real-time social interactions, predictive gameplay, and entertainment in one unified experience — driving engagement, retention, and revenue at scale. This is a high-growth environment where backend engineers own critical systems, work across compliance-heavy domains, and directly influence the technical direction of a platform used by operators globally.   Role and Responsibilities: Design & Develop Backend Systems — Build scalable, resilient APIs and backend components supporting web, mobile, and third-party integrations Optimize Performance, Security & Compliance — Enhance system performance, implement security best practices, and ensure adherence to AML, KYC, data privacy, and relevant regulatory frameworks Data Infrastructure & Analytics — Develop and maintain data pipelines for analytics, fraud detection, geolocation, and regulatory reporting Technical Ownership & Collaboration — Partner with product, security, compliance, and data teams to translate requirements into effective technical solutions Operational Excellence — Participate in incident response, monitoring, and root cause analysis to ensure system stability and security Mentorship & Innovation — Share knowledge with team members, promote best practices, and explore emerging technologies in fintech, AI fraud detection, and regulated digital platforms Job Requirements: Proven experience designing, building, and scaling high-performance backend systems Strong expertise in Python for backend development, automation, and data processing Proficiency in API development, CI/CD processes, and infrastructure automation Experience in data pipeline architecture, analytics, and geolocation-based access controls Ability to mentor junior engineers and contribute to architectural decisions Familiarity with security and compliance frameworks (AML, KYC, data privacy) and performance tuning Excellent collaboration skills across cross-functional, globally distributed teams 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 Software Engineer (Typescript, Node, NextJS, React, React Native, GCP)   Job type: Contract (B2B)   Contract Length: Long term, rolling contract   Rate: €300-€350+ per day (depending on experience)   Role Location: Anywhere in the EU (such as Poland, Georgia, Serbia, etc)   The company: A leading SaaS company with a global presence in automation within the manufacturing sector   Role and Responsibilities: Signify have partnered up with a European Automation organisation specialising in offering a solution to large manufacturing industries across the globe. We are hiring for a Senior Full Stack Engineer to work on a digital transformation programme and work on a flagship product.   Job Requirements: 6+ years engineering experience React Native, Typescript (NodeJS), NexrtJS, React,  and some cloud (ideally GCP) 50/50 full stack development Spearheading projects and taking ownership of a product (SaaS) Good communication skills and enjoys bringing new ideas to the table A team player to collaborate working on complex projects   Interview process: 1st stage interview, 2nd stage interview, Final chat.   If you are interested, please apply to this advert or email your CV to iqbal.miah@signify-tech.com   Please note - all applicants must be based in in the EU and work via B2B   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.

Job title: Senior React Native Developer   Job type: Contract (B2B)   Contract Length: Long term, rolling contract   Rate: €350+ per day (depending on experience)   Role Location: Anywhere in the EU (such as Poland, Georgia, Serbia, etc)   The company: A leading SaaS company with a global presence in automation within the manufacturing sector   Role and Responsibilities: Signify have partnered up with a European Automation organisation specialising in offering a solution to large manufacturing industries across the globe. We are hiring for a Senior React Native Engineer to work on a digital transformation programme and work on a flagship product.   Job Requirements: 6+ years engineering experience React Native, Typescript (NodeJS) and full stack experience 80% mobile, 20% full stack Spearheading projects and taking ownership of a product (SaaS) Good communication skills and enjoys bringing new ideas to the table A team player to collaborate working on complex projects   Interview process: 1st stage interview, 2nd stage interview, Final chat.   If you are interested, please apply to this advert or email your CV to iqbal.miah@signify-tech.com   Please note - all applicants must be based in in the EU and work via B2B   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.