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

Junior/Mid-level Cloud Platform Engineer

Job Description

Job title: Junior/Mid-level Cloud Platform Engineer Role Summary: Design, deploy, and manage scalable cloud infrastructure for FinTech services, ensuring reliability, security, and performance across global liquidity markets. Expactations: Fast‑learning, detail‑oriented engineer with strong GCP, Terraform, Kubernetes, Docker, and Python skills; experience with AI/ML integrations (Claude, Gemini) and a proactive approach to automation and monitoring. Key Responsibilities: - Build and maintain GCP infrastructure using Terraform as IaC. - Deploy, orchestrate, and scale containerized workloads on Kubernetes clusters. - Develop Python scripts for automation, data pipelines, and CI/CD workflows. - Integrate AI/ML models (Claude, Gemini) into production pipelines. - Collaborate with cross‑functional teams to deliver secure, high‑availability services. - Monitor performance, troubleshoot incidents, and implement continuous improvement. Required Skills: - Proficiency in Google Cloud Platform (Compute, Storage, Networking, IAM). - Advanced Terraform scripting and module reuse. - Kubernetes administration and Docker containerization. - Python development (scripting, automation, API integration). - Familiarity with AI/ML model deployment (Claude, Gemini or similar). - Strong problem‑solving, communication, and documentation skills. Required Education & Certifications: - Bachelor’s degree in Computer Science, Engineering, or related field. - GCP Professional Cloud Architect or equivalent certification strongly preferred.

London, United kingdom

Hybrid

Mid level

13-11-2025

Company Name

Harrington Starr

Job Title

Principal Software Engineer

Job Description

**Job Title:** Principal Software Engineer **Role Summary:** Lead architecture and engineering for a global real‑time payments platform, balancing hands‑on development with strategic influence across multiple teams. **Expectations:** Deliver enterprise‑level design, mentor engineering staff, drive scalability and resilience, stay abreast of emerging technologies, and shape the technical vision for a complex, high‑performance SaaS system. **Key Responsibilities:** 1. Define and maintain architectural direction for the payments platform. 2. Provide leadership, mentorship, and stakeholder management across engineering teams. 3. Drive enterprise‑level design decisions, ensuring scalability, performance, and resilience. 4. Contribute to key deliverables through active coding and code reviews. 5. Monitor and evaluate emerging technologies, influencing long‑term technical strategy. **Required Skills:** - 10+ years in enterprise architecture and software engineering. - Deep expertise in .NET and experience building SaaS/API platforms. - Proven record designing highly scalable, high‑performance systems. - Strong leadership, mentoring, and stakeholder communication skills. **Required Education & Certifications:** - Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field. - Relevant certifications (e.g., Microsoft Certified: Azure Solutions Architect Expert, AWS Certified Solutions Architect – Professional) preferred but not mandatory.

United kingdom

Remote

Senior

18-11-2025

Company Name

Harrington Starr

Job Title

Dotnet Developer

Job Description

Job Title: Dotnet Developer Role Summary: 6‑month contract .NET developer focused on Business Intelligence applications. Build, maintain, and support C#/.NET solutions that interact with SQL Server and Oracle databases while ensuring compliance with change‑management and release processes. Expectations: Deliver stable, high‑quality code on time; troubleshoot and resolve production incidents; collaborate with distributed teams; uphold documentation standards; be available for occasional out‑of‑hours support for critical systems. Key Responsibilities: - Develop and maintain C#/.NET applications for BI services. - Analyze business requirements and design technical solutions. - Write and optimize T‑SQL and PL/SQL scripts for data analysis. - Support production environments, diagnose issues, and implement fixes. - Deploy and support Citrix and application servers for web and Windows apps. - Participate in change‑management, release cycles, and documentation. Required Skills: - Strong proficiency in C# and the .NET Framework (Windows and web applications). - Advanced SQL Server (T‑SQL) and Oracle (PL/SQL) development. - Experience with application deployment, environment maintenance, and version control. - Unit testing, QA processes, and technical documentation. - Troubleshooting across servers, databases, and distributed environments. Required Education & Certifications: - Bachelor’s degree in Computer Science, Information Technology, or a related field. - Relevant certifications (e.g., Microsoft Certified: .NET Developer, Oracle SQL Certified) are advantageous.

London, United kingdom

Hybrid

25-11-2025

Company Name

Harrington Starr

Job Title

Software Engineer

Job Description

Job title: Software Engineer – Full Stack .NET Developer Role Summary: Full‑stack .NET developer responsible for designing, building and supporting enterprise‑grade finance and regulatory reporting applications in a regulated banking environment. Expectations: Deliver robust, compliant, production‑ready software; collaborate across technical and non‑technical teams; adhere to Agile workflows and CI/CD best practices; maintain and optimise SQL Server and Oracle components. Key Responsibilities - Design, develop, and maintain .NET applications for Windows and web platforms. - Build, optimise, and support SQL Server and Oracle database components (PL/SQL & T‑SQL). - Create and integrate APIs, and contribute to end‑to‑end application architecture. - Apply software design principles, unit testing, and automated pipeline deployment. - Support finance and regulatory reporting systems, ensuring accuracy and compliance. - Participate in Agile ceremonies: sprint planning, stand‑ups, reviews, and retrospectives. - Conduct code reviews and provide constructive technical feedback. Required Skills - Strong proficiency in C#, .NET (including .NET Core). - Object‑oriented design and solid understanding of design patterns. - Experience with Oracle and SQL Server in enterprise contexts. - Background developing or supporting banking finance or regulatory reporting solutions. - Knowledge of DevOps practices, CI/CD pipelines, and automation tools. - Excellent written and verbal communication; ability to give technical feedback. Required Education & Certifications - None specified; relevant degree or equivalent experience in Computer Science or related field preferred.

London, United kingdom

Hybrid

26-11-2025