Harrington Starr

About the Company

Harrington Starr is a multi-award winning financial technology recruitment business based in London, Belfast and New York City. Founded in 2010, we are specialists in technology, change & transformation and sales recruitment and have helped clients and candidates across 5 continents.

Our diverse range of clients include banks, hedge funds, vendors, service providers, payment providers, asset managers, start-ups, disruptors and many more. The one thing they have in common though is that they trust Harrington Starr with their most important asset: people.

We are passionate about helping our customers grow their teams, their brands, their networks and their careers. After all, your success is our business! Speak to us today to see how we can help.

We take your privacy very seriously and as such, we want to be as transparent as possible. To read more, head over to our Privacy Policy for more details by visiting our website.

Listed Jobs

Company Name

Harrington Starr

Job Title

Artificial Intelligence Engineer

Job Description

Job Title: Artificial Intelligence Engineer Role Summary: Build, deploy, and maintain AI/ML systems for a fintech platform, owning end‑to‑end development from prototyping to production, and driving innovation in model development and MLOps. Expactations: Deliver production‑ready features, maintain high code quality, iterate quickly on models, collaborate with founders, and self‑direct learning of new AI techniques. Key Responsibilities: • Design, train, and fine‑tune machine learning and language models for trading data. • Develop scalable MLOps pipelines and infrastructure on cloud platforms. • Convert business problems into technical AI solutions and prototype rapidly. • Deploy models to production, monitor performance, and iterate for improvement. • Stay current with AI research, evaluate new methods, and propose adoption. • Collaborate cross‑functionally with product, engineering, and data teams. Required Skills: • Python programming with deep learning frameworks (PyTorch or TensorFlow). • Experience building/fine‑tuning large language models and RAG pipelines. • Cloud platform proficiency (AWS, GCP, or Azure) and containerization (Docker). • Strong understanding of MLOps, CI/CD, and model serving. • Ability to work autonomously, manage full project lifecycle, and adapt quickly. Required Education & Certifications: • Bachelor’s degree or higher in Computer Science, Data Science, or related field. • Relevant certifications in AI/ML or cloud platforms are a plus.

London, United kingdom

On site

18-09-2025

Company Name

Harrington Starr

Job Title

Generative AI Engineer

Job Description

**Job Title:** Generative AI Engineer **Role Summary:** Lead end-to-end development of production-grade AI/ML systems, including LLM-powered applications, agentic workflows, and scalable MLOps pipelines. Autonomously design and deploy solutions that integrate AI into core platforms while collaborating with cross-functional teams. **Expectations:** Senior-level expert with extensive commercial experience delivering AI features. Proven ability to solve complex problems, drive projects independently, and apply cutting-edge AI technologies in a production environment. **Key Responsibilities:** - Architect and implement scalable AI/ML systems, including LLM applications and RAG pipelines. - Optimize vector databases and develop custom models for specific use cases. - Design and maintain MLOps pipelines for deployment, monitoring, and scaling. - Build API/back-end services to integrate AI capabilities into platforms. - Collaborate with product teams to translate business challenges into technical solutions. **Required Skills:** - Expert Python and API development (FastAPI/Flask). - Deep learning frameworks (PyTorch/TensorFlow). - AI orchestration tools (LangChain, LlamaIndex, Haystack). - MLOps expertise: Docker, Kubernetes, and cloud platforms (AWS/Azure/GCP). - Advanced model fine-tuning, benchmarking, and RAG pipeline optimization. **Required Education & Certifications:** - Bachelor’s/Master’s in Computer Science, AI, or related field. - Proven track record: Senior AI/ML or backend engineering experience delivering production-level AI systems.

London, United kingdom

On site

18-09-2025

Company Name

Harrington Starr

Job Title

Director of Engineering

Job Description

**Job Title**: Director of Engineering **Role Summary**: Lead engineering strategy and delivery of trading technology solutions for a global investment bank. **Expectations**: Translate complex business needs into scalable technical solutions, manage development teams, and drive cloud and agile adoption. **Key Responsibilities**: - Oversee end-to-end delivery of software solutions for trading platforms. - Develop and maintain the regional technology roadmap for system consolidation and scalability. - Lead, mentor, and manage high-performing development teams. - Oversee vendor relationships, compliance, and regulatory reporting. - Implement agile methodologies, CI/CD, and cloud (Azure) integration. **Required Skills**: - Advanced full-stack .NET/.NET Core, C#, SQL, Python, and cloud (Azure) expertise. - Proven leadership in managing high-performing technical teams. - Experience with financial products, regulatory requirements, and Agile/DevSecOps practices. - Strong analytical, problem-solving, and cross-stakeholder communication skills. **Required Education & Certifications**: Not specified.

London, United kingdom

Hybrid

29-09-2025

Company Name

Harrington Starr

Job Title

Automation Test Lead

Job Description

Job Title: Automation Test Lead Role Summary: Lead automation test POC evaluating UiPath Test Suite for capital markets applications, designing frameworks, and developing automated test scripts to validate financial software functionality, performance, and reliability. Expectations: Deliver POC outcomes to shape future test automation strategies. Collaborate cross-functionally to align automation requirements with business goals. Key Responsibilities: - Design and implement test automation POC framework using UiPath - Develop/maintain automated test scripts for financial applications - Execute automation across banking systems to validate functionality/performance - Integrate UiPath with CI/CD pipelines and report evaluation results - Present POC findings to leadership and stakeholders - Translate business requirements into automation use cases with QA/Business Analyst teams - Rapid prototype and refine test scenarios for automated validation Required Skills: - Hands-on expertise in UiPath Studio/Orchestrator/Test Suite - Proficiency in Java/VB.NET/C# for automation script development - Experience with test frameworks (Selenium, Cucumber, Postman) - Financial services testing experience (front/middle/back office systems) - Understanding of RPA concepts, CI/CD pipelines, and Agile methodologies - Stakeholder communication and problem-solving in POC environments Required Education & Certifications: Bachelor’s degree in Computer Science/related field. UiPath certification preferred.

London, United kingdom

Hybrid

Senior

01-10-2025