1 to 25 of 30 Clean Code Jobs in Northern Ireland

Senior Backend Engineer

Hiring Organisation
Inspire People
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Permanent, Part Time, Work From Home
Salary
£80,000
products. * Develop and maintain platform tooling, automation, observability, monitoring and CI/CD capabilities. * Build software solutions using Python and modern engineering practices. * Write clean, maintainable code and infrastructure-as-code solutions to support service delivery. * Embed Site Reliability Engineering principles including SLIs, SLOs, error budgets … with engineers, architects, product teams and stakeholders whilst coaching and mentoring colleagues. Essential Skills for the Senior Backend Engineer (Site Reliability) include: * Experience writing clean, maintainable code in at least one programming language. * Experience designing, operating and improving distributed systems, focusing on reliability, performance and user outcomes. * Experience ...

Sr. Software Developer Engineer - Testing

Location
Bangor, Northern Ireland, United Kingdom
automation frameworks (including framework creation, enhancements, and long-term maintenance). Write and maintain automated tests using Java and C#, applying strong engineering practices (clean code, reuse, maintainability). Author, test, and evangelize AI optimization Agents, Skills, and Instructions that speed test automation generation and execution. Guide product … Skills, and related AI assets focused on automating and optimizing test management lifecycle with an AI First mindset. Familiarity with Terraform/Infrastructure as Code concepts. Experience creating dashboards/metrics for quality, automation health, and pipeline outcomes. Experience testing distributed systems, microservices, and complex integrations. Location Expectation: This ...

Lead Java Developer (VP)

Location
Belfast City District, Northern Ireland, United Kingdom
with a strong focus on onboarding new regulations. This is an active engineering leadership position where you will guide a team of developers, write clean, production-grade code, design system components, and troubleshoot complex data processing issues. You will work closely within an Agile team, collaborating with business … translate regulatory requirements into reliable, scalable software solutions. Lead and Mentor: Guide and support a team of software engineers, fostering a collaborative environment, conducting code reviews, and promoting technical excellence. Regulatory Onboarding: Drive the technical execution of onboarding new regulatory requirements, ensuring the platform is adaptable to evolving global ...

Software Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
modern technologies and engineering practices. What you'll be doing Designing, developing and maintaining software applications Building new functionality and improving existing systems Writing clean, scalable and maintainable code Working with APIs, databases and third party integrations Identifying and resolving technical issues Contributing to technical design and architectural … discussions Participating in code reviews and development standards Writing and maintaining automated tests Supporting deployment and CI/CD processes Working with product and business teams to understand requirements Contributing to continuous improvement across the engineering function What we're looking for We are looking for someone with solid ...

Senior Software Developer

Location
Belfast, Northern Ireland, United Kingdom
Specification, Design, and Planning of upcoming features Build, maintain, test (including automated functional tests) and release our well architected services by writing correct and clean code consistently and following best practices Apply the Enea software development process which adopt Agile methodologies along with modern CI/CD tooling ...

Senior Software Engineer (Java) - Fixed Income (AVP)

Location
Belfast City District, Northern Ireland, United Kingdom
consuming RESTful web services using Java and Spring Boot. Build Tools: Maven or Gradle for project management and build automation. Proven ability to develop clean, testable code. Understanding of relational database concepts and knowledge in SQL. Experience with Jira, Git/Bitbucket, Gradle and CI/CD tools, e.g. ...

Full Stack Developer - Assistant Vice President

Location
Belfast City District, Northern Ireland, United Kingdom
best practices, object‐oriented programming (OOP) principles, and design patterns. Contribute to the continuous integration and continuous delivery (CI/CD) pipelines. Manage source code effectively using tools such as Git or Bitbucket. Promote and apply clean coding principles and maintain high quality using tools like Sonar. Design … threading, Collections framework, and Spring Framework. Solid understanding of software engineering best practices, OOP, design patterns, and CI/CD pipelines. Experience with source code management tools (Git or Bitbucket). Understanding of clean coding principles and code quality measurements using tools like Sonar. Demonstrated ability ...

Full-Stack Java Microservices Engineer — Hybrid

Location
Belfast City District, Northern Ireland, United Kingdom
Java/J2EE, Spring Boot, and RESTful services while optimizing SQL and CI/CD pipelines. You will lead a team of developers, promote clean code, and help advance cloud-native data platforms across the Institutional Data Platform and Citi Enterprise Data Organization, with a hybrid work model ...

macOS Software Engineer / Senior macOS Software Engineer TLNT1 NI

Hiring Organisation
Andor Technology
Location
Belfast, UK
scientific breakthroughs. Our low-light imaging cameras, spectroscopy solutions and microscopy systems help researchers develop cancer treatments, explore the depths of space, and advance clean energy innovations. We are experts in measuring light down to a single photon and capturing events occurring within one billionth of a second. … development practices. Experience across the full software development lifecycle, from requirements gathering through testing and support. Strong knowledge of software architecture, design patterns and Clean Code principles. Excellent understanding of data structures, algorithms and computational complexity. Knowledge of Agile software development methodologies. Proven ability to learn quickly, take ...

Lead Data Scientist - Workday Products

Hiring Organisation
Kainos
Location
Belfast, UK
Employment Type
Full-time
applying advanced statistical techniques, machine learning, and AI principles to solve complex business problems. Strong programming skills in Python, with an emphasis on writing clean, efficient, and maintainable code to enable scalable and production-grade AI/ML solutions. Extensive experience with machine learning frameworks (e.g., Scikit-learn ...

Senior Java Microservices Engineer - Hybrid

Location
Belfast City District, Northern Ireland, United Kingdom
impact software, design robust microservices, and own critical data pipelines that support risk management across the organization. Join a globally distributed team focused on clean code, scalable solutions, and mentorship, with opportunities to influence architectures and improve outcomes while benefiting from a flexible hybrid model. #J-18808-Ljbffr ...

Senior Full Stack Developer

Location
Belfast, Northern Ireland, United Kingdom
cutting-edge web applications that serve millions of users worldwide. Responsibilities Design and develop scalable web applications Collaborate with product and design teams Write clean, maintainable code Participate in code reviews Requirements 5+ years of full-stack development experience Expert knowledge of React and Node.js Experience with ...

Senior Data Scientist - Workday Products

Location
Belfast City District, Northern Ireland, United Kingdom
applying mathematics, statistics, and machine learning principles to derive actionable insights from complex datasets. Proficient in Python programming, with a focus on writing clean, efficient, and maintainable code for developing and deploying reliable AI/ML solutions in production environments. Hands‐on experience using machine learning frameworks (e.g. ...

Senior kdb+ Engineer

Location
Belfast, Northern Ireland, United Kingdom
guide junior and mid-level developers, fostering a culture of technical excellence. Own the full development lifecycle by developing, testing, supporting and maintaining all code for client applications Drive innovation by staying ahead of the curve in kdb+, q, and emerging technologies. What You Bring 5+ years of hands … both technical and non‐technical stakeholders. Experience in capital markets or investment banking, understanding of the domain and its demands. A passion for clean, performant code and continuous improvement. Bonus Points For Experience with AI tooling (Claude, Co‐Pilot) Experience with Python, cloud platforms (AWS, GCP, Azure ...

Solutions Architect

Location
Lisburn, Northern Ireland, United Kingdom
quality software applications using C# and the .NET framework. Build and integrate APIs, services, and data access layers using ASP.NET and REST APIs. Write clean, efficient, and maintainable code following best practices. Perform unit testing, debugging, and troubleshooting to ensure reliability and performance. Collaboration & Delivery Work closely with … product owners, designers, and cross‐functional engineering teams. Participate in code reviews and technical discussions. Support evaluation and selection of tools, technologies, and frameworks. Engage with agile development processes. Essential Criteria Bachelor’s degree in Computer Science, Software Engineering, or a related field. 1–3 years’ experience in software ...

kdb+ Contractor (Capital Markets)

Location
Belfast, Northern Ireland, United Kingdom
guide junior and mid-level developers, fostering a culture of technical excellence. Own the full development lifecycle by developing, testing, supporting and maintaining all code for client applications. Drive innovation by staying ahead of the curve in kdb+, q, and emerging technologies. What You Bring 7+ years of hands … both technical and non‐technical stakeholders. Experience in capital markets or investment banking, understanding of the domain and its demands. A passion for clean, performant code and continuous improvement. Bonus Points For: Experience with AI tooling (Claude, Co‐Pilot) Experience with Python, cloud platforms (AWS, GCP, Azure ...

Remote iOS Engineer: Build Next-Gen Mobile Experience

Location
Belfast City District, Northern Ireland, United Kingdom
work on iOS features in Swift, tackle moderately complex tasks, and collaborate with a small, experienced team. This remote role offers ownership of features, code reviews, and a path to continuously improve tooling, testing, and deployment, with an emphasis on clean code and reliable delivery. #J ...

Mid & Senior Java Developers

Location
Belfast City District, Northern Ireland, United Kingdom
preferred) REST APIs and microservice architecture SQL databases and data modelling CI/CD pipelines and modern development practices A passion for writing clean, maintainable, well-tested code Just as importantly, you'll enjoy collaborating with others, sharing ideas and continuously improving the way software is delivered. What ...

Software Engineer

Location
Lisburn, Northern Ireland, United Kingdom
Relevant Bachelor's degree, or equivalent level of skills and experience, MSc or higher preferred. Strong knowledge of core Java skills. Ability to write clean, bug‐free code that is easy to understand, and easily maintainable. Experience working with multi‐threaded applications and core Java libraries (Spring). ...

kdb+ Engineer

Location
Belfast, Northern Ireland, United Kingdom
performance environment this is your opportunity! What You’ll Be Doing Collaborating with business users to define new application requirements. Developing, testing and maintaining clean, performant code for client applications. Supporting project delivery alongside Project Managers and Senior Engineers. Working as part of a close-knit team ...

Front End Engineer - Serve

Location
Belfast, Northern Ireland, United Kingdom
development decisions with growing independence. Handle small-to-medium features independently and begin taking ownership of moderately complex tasks with some guidance. Write clean, maintainable code and actively participates in peer code reviews, providing constructive feedback and adhering to coding standards. Collaborate closely with Product to refine ...

Mobile Software Engineer (iOS) - Olo App

Location
Belfast City District, Northern Ireland, United Kingdom
development decisions with growing independence. Handle small-to-medium features independently and begin taking ownership of moderately complex tasks with some guidance. Write clean, maintainable code and actively participate in peer code reviews, providing constructive feedback and adhering to coding standards. Collaborate closely with Product to refine … when possible. Engage in continuous learning and self-improvement by exploring new technologies and best practices relevant to the team's work. Use Claude Code as part of your daily workflow, and grow your skills through hands‐on AI training designed to help you become highly effective with modern ...

Senior Software Engineer (Python / C++ | Robotics & AI) TLNT1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
development workflows and product features where appropriate Collaborate with hardware, robotics, data science, and QA teams to define technical requirements and system interfaces Write clean, well-tested, maintainable code and contribute meaningfully to code reviews Support debugging and performance optimisation across software and hardware-integrated systems Contribute ...

Full-Stack .NET Developer | Hybrid Belfast

Location
Belfast City District, Northern Ireland, United Kingdom
product team, contribute to both frontend and backend development, and help shape meaningful applications in an agile setting. From day one you will write clean, maintainable code, take part in code reviews, and learn from experienced engineers while advancing your skills within a supportive, growth-oriented environment. ...

Software Developer (NI - hybrid or remote)

Location
Belfast City District, Northern Ireland, United Kingdom
working in an agile environment where you'll contribute to the development and enhancement of meaningful applications. From day one, you'll be writing clean, maintainable code, taking part in code reviews, solving real-world problems, and learning from experienced engineers around you. What You'll Need ...