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

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

Company Name

Harrington Starr

Job Title

Cryptocurrency Cyber Security Specialist

Job Description

Job title: Cryptocurrency Cyber Security Specialist Role Summary: Drive security strategy and controls for cryptocurrency, blockchain, and digital asset solutions within a financial services environment. Directly report to the Information Security Lead and act as both technical and business SME to ensure exposure stays within risk appetite. Expactations: * Own end‑to‑end security lifecycle for crypto products. * Deliver actionable risk assessments and threat models. * Collaborate with cross‑functional teams to design, implement, and monitor controls. Key Responsibilities: * Provide security oversight and expert guidance on crypto‑related initiatives. * Conduct security assessments and threat modeling of crypto assets and services. * Design and implement risk‑mitigation controls with Business, Operations, and IT. * Monitor control performance, investigate alerts, and verify effectiveness. * Apply consistent cybersecurity practices, methodologies, and tools across the organization. Required Skills: * Practical, hands‑on experience with cryptocurrencies and related technologies. * Experience designing, implementing, or managing crypto security controls. * Strong communication skills for technical and non‑technical audiences. * Solid understanding of security best practices and control frameworks (e.g., NIST, ISO 27001). * Knowledge of financial services and digital‑asset initiatives. Required Education & Certifications: * Bachelor’s degree in Computer Science, Cybersecurity, Information Technology, or related field (preferred). * Professional certifications such as CISSP, CISM, CISA, or equivalent (preferred).

London, United kingdom

Hybrid

26-11-2025

Company Name

Harrington Starr

Job Title

Software Engineer - Java

Job Description

Job title: Software Engineer – Java (Backend) Role Summary: Design, develop, and maintain scalable, high‑performance backend services for an AI‑driven wealth management platform. Lead greenfield feature development, refactor existing systems, and shape distributed architecture to support automation, integrations, and client operations at scale. Expectations: - 3+ years of experience building distributed, high‑performance backend systems. - Proven expertise in Java 17/21, including TDD, DDD, and CI/CD practices. - Strong foundation in computer science or related field. - Comfortable delivering features in AWS cloud environments. - Excellent problem‑solving, communication, and teamwork skills. - Fluent English; right to work in the UK required. Key Responsibilities: - Architect and implement scalable microservices and APIs. - Design and evolve distributed systems for automation, integrations, and client operations. - Write clean, maintainable Java code with a focus on TDD, DDD, and CI/CD pipelines. - Lead greenfield feature development while improving existing systems. - Ensure performance, reliability, and observability through monitoring and alerts. - Collaborate with AI engineers, designers, and product teams to deliver impactful features. - Contribute to architectural discussions, code reviews, and technical planning. Required Skills: - Java 17/21, microservices, API design, REST, gRPC. - Distributed systems, event‑driven architecture, messaging queues. - PostgreSQL, Redis, relational and NoSQL data modeling. - CI/CD tooling (Jenkins, GitHub Actions, GitLab CI). - TDD, automated testing frameworks (JUnit, TestNG). - Cloud experience – AWS (EC2, ECS/EKS, RDS, S3, Lambda). - Strong grasp of design patterns, SOLID principles, and clean code. - Problem‑solving, debugging, and performance tuning. - Effective written and verbal communication. Required Education & Certifications: - Bachelor’s or equivalent degree in Computer Science, Mathematics, or a related technical field. - Optional: AWS Certified Solutions Architect or equivalent cloud certification.

London, United kingdom

Remote

Junior

04-12-2025