Distributed Systems Jobs in Northern Ireland

23 of 23 Distributed Systems Jobs in Northern Ireland

Staff Software Engineer

Belfast, United Kingdom
Proofpoint
instrumental in designing, developing, and maintaining petabyte-scale production platforms with a strong emphasis on resilience, performance, and developer experience. You'll work on distributed systems, deployment infrastructure, and internal service frameworks, enabling teams across the organization to deliver with speed, security, and reliability. Your day-to-day … Architect, build, and maintain scalable, fault-tolerant systems that support petabyte-scale workloads in production • Lead development of RESTful APIs using Java or similar high-performance languages (e.g., Go, Kotlin, Scala) • Contribute to the evolution of our internal platform by improving core infrastructure components and abstractions • Design and optimize … data pipelines and backend systems leveraging distributed technologies like Apache Kafka and Cassandra • Drive platform modernization through Kubernetes-based deployments and configuration management using tools like Puppe • Champion best practices in CI/CD, observability, security, and cloud-native architecture • Collaborate with product and engineering teams to understand More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Back End Developer

Northern Ireland, United Kingdom
Hybrid / WFH Options
Ocho
first senior engineers in a newly formed UK/Northern Ireland delivery team. Whether your strength lies in Golang/Kubernetes or Python-based systems, your work will shape the next-gen backend of a global-scale, data-intensive cloud platform. You’ll operate in a fully remote, high … autonomy environment alongside top-tier engineers across the US and UK. Your focus will be on building scalable APIs, distributed microservices, and backend infrastructure that powers cloud intelligence at scale. Key Responsibilities • Design and build cloud-native services using Golang or Python • Develop scalable microservices and distributed systems … years in software engineering, preferably in cloud-first or SaaS companies • Strong backend development experience with either: Golang , ideally with experience in Kubernetes-based systems • Proven experience in distributed systems and asynchronous architecture • Familiarity with scalable API development (REST/GraphQL) • Strong understanding of CI/CD More ❯
Posted:

Site Reliability Engineer III - Markets

Belfast, Northern Ireland, United Kingdom
Hybrid / WFH Options
CME Group
team. The Application Site Reliability Engineer III - Markets will help ensure the reliability and performance of our Markets trading and real-time post-trade systems; systems where latency, performance and the capacity to seamlessly facilitate the busiest trading days in the world economy are critical requirements. The successful … improve system performance and efficiency Act as a mentor to L2 and L1 resources in the Application SRE department. Skills Experience with Linux-based systems and Cloud-based platform(s). Experience and knowledge of working with distributed systems and working with Docker & Kubernetes Exposure to working More ❯
Posted:

Senior Back End Engineer

Belfast, United Kingdom
Hybrid / WFH Options
VanRath
cloud-native platforms that support global trading and data services. You'll be part of a collaborative, Agile team responsible for delivering business-critical systems with a focus on scalability, performance, and continuous improvement. The Role As a Senior Back-End Software Engineer, you will play a vital role … in designing and building distributed, event-driven systems in a cloud environment. You'll work closely with architects and product owners, lead by example in engineering best practices, and support more junior developers within the team. Key Responsibilities Design and develop scalable, distributed systems using modern … resolve technical and delivery challenges Essential Criteria Commercial experience developing in C#/.NET Core Strong understanding of event-driven architecture and cloud-native systems Experience designing and building RESTful APIs Hands-on experience with relational databases (e.g., SQL Server, MySQL) Proven ability to work across the full software More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

AI Software Engineer

Belfast, United Kingdom
Hybrid / WFH Options
Nisos
LLMs) for natural language processing of intelligence data Develop robust APIs and microservices that handle real-time threat analysis at scale Implement computer vision systems for image and video analysis in OSINT investigations Build and optimize vector databases for semantic search across massive intelligence datasets Establish best practices for … engineering and fine-tuning Large Language Models Proficient in vector databases (Pinecone, Weaviate, Milvus) and embedding technologies Expert in building RAG (Retrieval-Augmented Generation) systems at scale Strong experience with MLOps practices and model deployment pipelines Proficient in cloud AI services (AWS SageMaker/Bedrock) Deep understanding of distributed systems and microservices architecture Expert in data pipeline platforms (Apache Kafka, Airflow, Spark) Proficient in both SQL (PostgreSQL, MySQL) and NoSQL (Elasticsearch, MongoDB) databases Strong containerization and orchestration skills (Docker, Kubernetes) Experience with infrastructure as code (Terraform, CloudFormation) Expertise in building real-time streaming architectures Experience building production More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

AI Staff Engineer

Belfast, United Kingdom
Hybrid / WFH Options
Nisos Group
LLMs) for natural language processing of intelligence data Develop robust APIs and microservices that handle real-time threat analysis at scale Implement computer vision systems for image and video analysis in OSINT investigations Build and optimize vector databases for semantic search across massive intelligence datasets Establish best practices for … engineering and fine-tuning Large Language Models Proficient in vector databases (Pinecone, Weaviate, Milvus) and embedding technologies Expert in building RAG (Retrieval-Augmented Generation) systems at scale Strong experience with MLOps practices and model deployment pipelines Proficient in cloud AI services (AWS SageMaker/Bedrock) Deep understanding of distributed systems and microservices architecture Expert in data pipeline platforms (Apache Kafka, Airflow, Spark) Proficient in both SQL (PostgreSQL, MySQL) and NoSQL (Elasticsearch, MongoDB) databases Strong containerization and orchestration skills (Docker, Kubernetes) Experience with infrastructure as code (Terraform, CloudFormation) Expertise in building real-time streaming architectures Experience building production More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior DevOps/SRE

Belfast, Northern Ireland, United Kingdom
JR United Kingdom
Cloud and Cloud at customer. We offer unique opportunities for smart, hands-on engineers with the expertise and passion to solve difficult problems in distributed highly available services and virtualized infrastructure. In this role, you will streamline delivery by optimizing practices, improving communications and collaborations, and creating automation. Your … provisioning, configuration, deployment, and patching of network components React to production deficiencies by continuously implementing automation, self-healing, and real-time monitoring to production systems Conduct periodic on call duties Solve complex and difficult problems and build automation to prevent problem recurrence Participate in cloud service capacity planning and … demand forecasting, software performance analysis and system tuning. Partner with distributed teams in prototyping new solutions Stay informed of new technologies Required Qualification: 7+ years of software development experience a distributed systems environment, preferably in the cloud BS or MS degree in Computer Science, or equivalent experience More ❯
Posted:

Site Reliability Engineer (Applications)

Belfast, Northern Ireland, United Kingdom
H&R Talent
enablers. The ideal candidate will be passionate about improving reliability and removing toil by identifying opportunities for automation and building platforms to make the systems more 'reliable by default'. Responsibilities: Evangelise the SRE mindset and implement best practices across the environment. Understand the business and find ways to … measure and enhance resilience across the application estate. Eliminate the toil that emerges with complex, distributed systems by automating where possible. Work as both an individual contributor and collaboratively to find new ways of improving the reliability, availability, security, and performance of the infrastructure. Accelerate the migration strategy … to more cloud-native, distributed applications. Improve productivity and developer experience through automation and interface improvements in local tool chains, IDEs, CI/CD. Requirements: Expert level scripting/coding skills in one or more languages (Python/Golang etc.). Expert knowledge of observability systems (Prometheus/ More ❯
Posted:

Software Engineer

Belfast, United Kingdom
Citigroup Inc
excellent communication skills and can manage multiple priorities simultaneously. Basic Qualifications Bachelor's degree in computer science or engineering field involving software programming or systems engineering Hands-on professional software development experience Proficiency in programming in Java, Python, JavaScript or React Hands on experience of building RESTful APIs using … rapidly changing environment Preferred Qualifications Experience of working in investment bank or financial services industry Experience of using cloud services such as AWS and distributed systems such as Kafka, Kubernetes, S3, DynamoDB, MongoDB or any other NoSQL database Job Family Group: Technology Job Family: Applications Development Time Type More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Java/Microservices Developer - VP

Belfast, United Kingdom
Hybrid / WFH Options
Citigroup Inc
in unit test framework like junit and mockito. Experience in any cloud technologies like Openshift/PCF/AWS/GCP. Experience with building distributed systems, using solutions such as Spark, Big Data Technologies would be preferred but not mandatory. Knowledge of Big Data querying tools (Cloudera stack More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

Belfast, Northern Ireland, United Kingdom
Hybrid / WFH Options
Arqit Quantum Inc
practice · Demonstrable passion for software development through self-learning, personal projects, competitions etc. · Experience of triage, RCA and fix for software issues within a distributed system · Competence in multiple programming languages · Experience of database development (SQL and NoSQL) · Experience with design patterns, refactoring, OO design and related areas · Strong More ❯
Posted:

Lead Java Software Engineer

Belfast, Northern Ireland, United Kingdom
Visa
a second across 80M merchants, 15k Financial Institutions, and billions of everyday people. While working with us you’ll get to work on complex distributed systems and solve massive scale problems centered on new payment flows, business and data solutions, cyber security, and B2C platforms. The Opportunity: As … that any single candidate would fulfill all of these characteristics. For instance, we have exciting team members who are really focused on building scalable systems but didn’t work with payments technology or web applications before joining Visa. This is a hybrid position. Expectation of days in office will More ❯
Posted:

Senior Staff Software Engineer

Belfast, Northern Ireland, United Kingdom
Visa
a second across 80M merchants, 15k Financial Institutions, and billions of everyday people. While working with us you’ll get to work on complex distributed systems and solve massive scale problems centered on new payment flows, business and data solutions, cyber security, and B2C platforms. The Opportunity: As … that any single candidate would fulfill all of these characteristics. For instance, we have exciting team members who are really focused on building scalable systems but didn’t work with payments technology or web applications before joining Visa. This is a hybrid position. Expectation of days in office will More ❯
Posted:

Senior Software Engineer (hyperscale)

Belfast, Northern Ireland, United Kingdom
JR United Kingdom
impact. As a member of our diverse and skilled teams, you will have the opportunity to solve and design solutions to challenging problems in distributed systems, virtualised infrastructure, and highly available services. The Responsibilities On a typical day, you will be working as part of a small, focused … software in data-centres across the globe. Analysing, diagnosing and debugging issues across a full breadth of our stack Debug, maintain and improve existing systems, with a focus on performance and reducing operational burden. Scaling our operations by building tooling and automation. Participating in the software engineering community at More ❯
Posted:

Principal Software Engineer

Belfast, United Kingdom
Hybrid / WFH Options
VanRath
years in software engineering, with strong design and coding experience in .NET, Java, or similar languages Deep experience with SaaS platforms, public APIs, and distributed systems architecture Strong background in databases, caching, systems integration, and performance optimisation Experience in payment processing or financial services is a significant More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Head of Engineering

Belfast, United Kingdom
Hybrid / WFH Options
VanRath
technical innovation and delivery excellence. The Role As Head of Engineering, you'll be responsible for leading multiple agile development teams delivering mission-critical systems for the Energy & Commodities business line. Reporting directly to the divisional CIO, you will drive modernisation, engineering excellence, and cultural transformation while ensuring high … complex enterprise environments Proven full-stack engineering leadership with deep knowledge of modern software design and architecture Hands-on technical competence and experience with distributed systems, low latency architecture, and modern cloud platforms Strong people leadership, communication, and mentoring skills Financial services or commodities markets experience (preferred) Comfortable More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Solutions Architect

Belfast, Northern Ireland, United Kingdom
Hybrid / WFH Options
JR United Kingdom
DB. Extensive experience designing and delivering APIs, microservices, and event-driven systems. Skilled in architectural best practices such as domain-driven design, CQRS, and distributed systems thinking. Strong understanding of CI/CD, containerisation, and cloud-native infrastructure. Familiarity with frontend architecture (Angular or similar) and its integration More ❯
Posted:

Software Engineer (Frontend)

Belfast, United Kingdom
Bazaarvoice
strong software engineering fundamentals (OO design, test-driven development, unit testing, code reuse, code reviews) as well as hands-on experience with highly scalable distributed systems across the full software lifecycle (design, build, test, deploy, support). We love people who are willing to explore new areas, learn More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer - Search Quality (Remote - United Kingdom)

Belfast, United Kingdom
Hybrid / WFH Options
Yelp USA
love to have you on board! The Search Quality team is looking for a data-oriented backend engineer to build and improve our internal systems to better support prototyping, testing, and scaling the next generation of Search with us. You'll be working closely with engineers on multiple teams … backend platforms to support prototyping, testing, and scaling our Search systems. Work closely with product-focused backend engineers on the team to build efficient systems for Search Annotations, Recall, and LLM-backed search experiences in general. Team up with other engineering groups, such as Ads and Market Engineering, to … build cohesive backend systems that support our shared visions. Contribute to our next gen, smarter search roadmap, vision, and execution. What it takes to succeed: Fluency in an object-oriented language (like Python or Java) Experience with databases (SQL and NoSQL), Unix, developing within a Continuous Integration/Deployment More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Solutions Engineer Sales

Belfast, United Kingdom
Hybrid / WFH Options
Cloudsmith Ltd
the world's most potent artifact management platform, built by developers for developers. Our platform supports over 30 formats spanning languages, containers, and operating systems, with enterprise-grade features, including vulnerability and security scanning, world-class policy management and enforcement, and web-scale to handle the Fortune 500. Organizations … re building mission-critical infrastructure that powers software delivery for organizations worldwide. We operate at the cutting edge of cloud-native technology, tackling complex distributed systems challenges that directly impact millions of developers. Now is an exciting time to join us as we revolutionize how organizations deliver and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

UX Prototyping Lead

Belfast, United Kingdom
Hybrid / WFH Options
Cloudsmith Ltd
world's most potent artifact management platform, built by developers for developers. Our platform supports over 30 formats spanning languages, container formats, and operating systems, with enterprise-grade features, including vulnerability and security scanning, world-class policy management and enforcement, and web-scale to handle the Fortune 500. Organizations … re building mission-critical infrastructure that powers software delivery for organizations worldwide. We operate at the cutting edge of cloud-native technology, tackling complex distributed systems challenges that directly impact millions of developers. Now is an exciting time to join us as we revolutionize how organizations deliver and … as production software, working with one of our larger engineering squads. As well as this prototyping role, you will also work on our design systems and public-facing channels, such as our brand website and documentation website. Key Responsibilities In this role, your responsibilities will be: Opportunity identification: Working More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer (Equities)

Belfast, Northern Ireland, United Kingdom
TP ICAP Group
schema design and optimization. Proficient in WPF application design. Demonstrable experience in message and event-based asynchronous messaging. Capable of writing and maintaining a distributed real-time system. Skilled in designing components of a distributed system. Knowledge and use of AWS (or a similar cloud platform), including deployment … Delivering a proof of concept (POC) to the required level of detail to validate an approach. Proficient in writing test tools and documentation of systems Desired Background and experience of financial/trading platforms and knowledge of financial markets Knowledge of FIX protocol and ability to handle FIX interactions. More ❯
Posted:

Senior Java Developer - Belfast

Belfast, United Kingdom
Hybrid / WFH Options
Citigroup Inc
for a markets-wide strategic risk management platform. We're looking for skilled Java Developers to enhance our platform and integrate it with trading systems across markets. Role Overview/What You'll Do Collaborate with management to integrate functions and identify system enhancements. Solve critical issues by evaluating … analysts. Key Skills and Experience Required Extensive Core Java experience with strong knowledge of data structures, design patterns, and SOLID principles. Experience with messaging systems like Kafka and Solace. Proficiency in Spring framework and cloud technologies (Docker/Kubernetes/OpenShift). Familiarity with Jira, Bitbucket, and Gradle. Experience … with document databases (MongoDB). Experience developing multi-threaded, distributed systems. Experience with testing frameworks like JUnit and Cucumber. Solid understanding of the FIX protocol. Beneficial Skills and Experience Experience with Chronicle framework or low-latency programming. Experience with time-series databases like KDB. Experience with Equities trading OMS. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted: