Java Jobs in Belfast

26 to 50 of 50 Java Jobs in Belfast

Senior DevOps Engineer

Belfast, United Kingdom
Menlo Ventures
infrastructure security, including access controls, encryption, and vulnerability assessments, focusing on engineering security solutions. Collaborate on CI/CD (TeamCity) pipelines to automate software deployment, including the build platform (Java, Gradle Enterprise) and QA/Testing tooling to drive DevEx up and CFR to zero, emphasizing engineering and self-service automation. Define and maintain cloud engineering best practices and standards … environment. Excellent experience in Infrastructure-As-Code (IaC) best practices (Terraform). Experience in software development in general, with skills in a high-level language (e.g., Python, JavaScript, TypeScript, Java) and familiarity with modern development practices Understanding of Cloud Observability, Monitoring, and Tracing tools (Datadog, CloudWatch, Jaeger, ELK) and how best to leverage to support effective MTTR and mitigate high More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Backend Software Engineer

Belfast, United Kingdom
Upwind Security, Inc
entire lifecycle of various short-term projects, from initial design and development to deployment, monitoring, and maintenance in a production environment Performing reliability and performance analysis on Golang/Java-based applications Contributing to technical and architectural designs, performing capacity planning, defining SLOs, and working with other teams to implement Conducting design and code reviews as part of a wider … Science in Computer Science/Software Engineering or a related field 1+ years of experience with Backend Engineering in a high-level programming language (preferably Golang and/or Java) Experience with cloud platforms and products (AWS, GCP, Azure) Experience with continuous integration and deployment (CI/CD) Experience with microservices-based architecture More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer

Belfast, United Kingdom
Upwind Security, Inc
entire lifecycle of various short-life projects, from initial design and development to deployment, monitoring and maintenance in a production environment Performing reliability and performance analysis on Golang/Java based applications Contributing to technical and architectural designs, performing capacity planning, defining SLOs and working with other teams to implement Conducting design and code reviews as part of a wider … Science in Computer Science/Software Engineering or related field 1+ years of experience with Backend Engineering in a high-level programming language (e.g. ideally Golang and/or Java) Experience with cloud platforms and products (e.g. AWS, GCP and Azure) Experience with continuous integration and deployment (CI/CD) Experience with microservices based architecture More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Head of Engineering

Belfast, United Kingdom
Hybrid / WFH Options
VanRath
and ensure production stability Communicate effectively with senior leadership on technical strategy and risks Play an active role in hiring, mentoring, and upskilling engineering talent Technical Environment Languages: C#, Java, JavaScript/TypeScript (React), C++ Architecture: Event-driven, Microservices, Micro Frontends DevOps: GitLab, TeamCity, CI/CD pipelines Cloud: AWS (hybrid infrastructure) Tools: Git, automated testing frameworks, GraphQL (desirable) Methodologies More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Back End Engineer

Belfast, United Kingdom
Hybrid / WFH Options
VanRath
environment Desirable Experience Knowledge of WPF application development Exposure to financial services or trading systems Understanding of the FIX protocol Experience with AWS services and cloud automation Knowledge of Java , JavaScript , or React Familiarity with microservices and serverless architecture Experience with TDD , BDD , or similar test-first methodologies What's on Offer Competitive base salary Annual bonus scheme Private healthcare More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Development and Delivery Engineer

Belfast, United Kingdom
Hybrid / WFH Options
StormHarvester
updates. Curious and willing to onward develop and learn. Desirable Criteria Benefits: Familiarity and experience with agile development in delivery Experience in other programming languages, specifically C++, C# or Java Experience in Automation/Testing frameworks Experience of Continuous Integration/Development Experience of API integration/development Experience of test/deployment automation Experience of AWS services Free parking More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer

Belfast, United Kingdom
Kainos Smart
and supportive to everyone you deal with. • You share information, knowledge and experience, understanding the mutual benefits of team working. DESIRABLE: • Experience with JavaScript/Node.js . • Experience with Java . • Experience of NoSQL for data storage. • Experience with GitHub . • Experience of Azure DevOps Pipelines . • Experience of using a cloud technology platform, such as Amazon Web Services (AWS More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer II (DevOps)

Belfast, United Kingdom
Divvy Cloud Corp
AWS services, including EC2, EKS or ECS, IAM, VPC networking, S3. Networking and linux system administration skills Comfortable with one or more of the following languages: Python, Ruby, Javascript, Java, Bash Working knowledge with one or more of the following - Terraform, CloudFormation, Chef, Ansible, Puppet Passionate about Cloud Security and developer experiences Goal-driven, positive attitude with strong communication skills More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

5 Jun 2025 BBBH58331 Principal Java Engineer €100000.00 - €110000.00 per annum Dublin

Belfast, United Kingdom
Hybrid / WFH Options
MCS Group
Principal Java Engineer (Backend) - Scale-Up Security Tech - Remote/Hybrid (Ireland/NI) €105-111k + 10% bonus + Equity Event-Driven Microservices Java AWS Hands-on Leadership An innovative scale-up is looking for a Principal Java Engineer to help them re-architect a critical platform used by law enforcement, emergency response, and global enterprise retailers. With … rebuilding their platform from a monolithic legacy system to a modern, event-driven microservices architecture hosted on AWS. What you'll do Lead the design and build of scalable Java microservices in an event-driven architecture Help re-architect a platform used by thousands of users globally - high visibility, high impact Work closely with product, QA, design, and senior engineering … mentoring, and code reviews Champion best practices in software design, performance, and system reliability Be a key voice in technical strategy and architecture discussions About you 6+years' experience with Java and Spring Boot, strong backend focus Currently in a Principal, Staff or Tech Lead hands-on role Expertise in microservices and event-driven systems (Kafka, SNS/SQS, etc.) Solid More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Core Java Developer (AVP) Belfast

Belfast, United Kingdom
Hybrid / WFH Options
Citigroup Inc
Core Java Developer (AVP) Belfast Overview Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services … of automated integration testing. Provide second line support, including out of hours, for the processes and components you develop. Key Skills and Experience required Primary development expertise in core Java development, including knowledge of collections, IO, multi-threading and generic You will be a highly motivated self-starter who is comfortable taking on new challenges and picking up and learning More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Test Engineer - Automation

Belfast, United Kingdom
MCS Group
Appium, or similar. In terms of the tech, our client works with TypeScript, Angular 18, PHP (Symfony), REST APIs, Node.js (Lambda), MySQL (Aurora), AWS, Kubernetes, Docker, with Kotlin/Java and Swift for mobile. Experience across a combination of these technologies, or a demonstrated ability to pick up new technologies quickly, is required. Ideally you will have experience testing mobile More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Test Engineer - Contract

Belfast, UK
Hybrid / WFH Options
MCS Group
is a hybrid role, requiring three days per week in their Belfast office. This Senior Software Tester will bring a blend of manual and automation testing experience, with solid Java, JavaScript and TypeScript skills. While the team is currently working with Playwright, they're happy to consider candidates with experience in Selenium, Cypress, or similar. This is a fantastic opportunity … forward-thinking approach, particularly around incorporating AI into testing frameworks The Person Proven experience in manual and automated testing across web and back-end applications Strong programming skills in Java, JavaScript and Typescript Solid experience with UI testing (e.g. Playwright, Selenium, Cypress) Experience in API testing SQL proficiency - essential for database query and validation Experience working in Agile teams and More ❯
Posted:

6 Jul 2025 BBBH58796 Senior Test Engineer - Contract £80000 - £90000 per annum Belfast

Belfast, United Kingdom
Hybrid / WFH Options
MCS Group
is a hybrid role, requiring three days per week in their Belfast office. This Senior Software Tester will bring a blend of manual and automation testing experience, with solid Java, JavaScript and TypeScript skills. While the team is currently working with Playwright, they're happy to consider candidates with experience in Selenium, Cypress, or similar. This is a fantastic opportunity … forward-thinking approach, particularly around incorporating AI into testing frameworks The Person Proven experience in manual and automated testing across web and back-end applications Strong programming skills in Java, JavaScript and Typescript Solid experience with UI testing (e.g. Playwright, Selenium, Cypress) Experience in API testing SQL proficiency - essential for database query and validation Experience working in Agile teams and More ❯
Employment Type: Permanent
Salary: GBP 80,000 - 90,000 Annual
Posted:

Lead Test Automation Engineer

Belfast, United Kingdom
EverQuote, Inc
degree in an Information Technology or Computer Science related field. 8+ years of software engineering or QA automation experience Strong coding skills in at least one modern language (e.g. Java, Python, TypeScript) Proven experience with UI and API testing tools (e.g., Selenium, Playwright, Cypress, Postman) Deep understanding of software testing principles, methodologies, and lifecycle Experience with CI/CD pipelines More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Database Engineer Belfast, Northern Ireland, United Kingdom

Belfast, United Kingdom
TRG Screen
writing unit, integration, and regression tests for database code Solid understanding of RESTful patterns and data-access layers for service-oriented architectures Nice-to-have C#/.NET or Java experience for writing micro-services that wrap data logic Exposure to cloud SQL services (Azure SQL, AWS RDS, or GCP Cloud SQL) Familiarity with AI-assisted coding/documentation tools More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Consultant, Software Development Engineer in Test (SDET), Engineering AI & Data, Engineering, T ...

Belfast, United Kingdom
Hybrid / WFH Options
Deloitte LLP
SOAP UI, Serenity, SpecFlow, Cucumber, Jenkins, CircleCI, TeamCity, Docker, Kubernetes, Terraform, JMeter, Gatling A strong interest in implementing automation frameworks that cover API, web, mobile, console and desktop applications Java or C# certification Connect to your business -Technology and Transformation Distinctive thinking, deep expertise, innovation and collaborative working. That's what connects us. That's what makes us Deloitte. If More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Director of Engineering (Java)

Belfast, UK
Hybrid / WFH Options
Ocho
a hands-on, high-accountability leadership role for a technically proficient Director of Engineering who thrives in scale-up conditions. You'll oversee multiple globally distributed development teams spanning Java-based backend services, React front-end applications, full-stack systems, and QA automation, while also shaping product delivery, architecture, and engineering culture. Key Responsibilities: * Lead distributed engineering teams delivering secure … scalable RESTful and GraphQL APIs built in Java * Support front-end delivery using React and , and oversee internal tooling built with ASP.NET * Embed quality throughout the SDLC, supporting QA teams using Playwright, SpecFlow, and Testiny * Collaborate with Product, Architecture, and Compliance teams to shape and deliver a value-driven roadmap * Guide architectural decisions to ensure performance, resilience, and scalability across … of direct feedback, coaching, and autonomy at all levels of the engineering organisation Essential Criteria: * Proven experience leading multi-disciplinary engineering teams across global locations * Strong technical background in Java, microservices architecture, and distributed systems * Comfort operating in lean, fast-moving environments with limited layers of support * Ability to mentor senior engineers, lead effective 1:1s, and support individual growth More ❯
Posted:

Senior Software Analyst - AVP

Belfast, United Kingdom
Hybrid / WFH Options
Citigroup Inc
personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency. Qualifications: Experience in a product development/product management environmenta Relevant experience within core java and spark Experience in systems analysis and programming of java applications Experience using big data technologies (e.g. Java Spark, hive, Hadoop) Ability to manage multiple/competing priorities and manage More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

EDM Senior Support Engineer

Belfast, United Kingdom
Kainos Smart
with Extend and/or Cloud technologies preferably AWS. Experience with working with web service technologies (REST, SOAP). Experience developing Extend applications. Strong development experience in working with Java/Node JS languages. Experience developing serverless AWS apps. Experience working with CI/CD pipelines. Experience developing & coding within agile delivery environments. Experience of having a great customer focus. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Staff Engineer

Belfast, UK
Hybrid / WFH Options
Ocho
software houses. Youll work closely with some of the most well known names in the business, in a pattern that suits you and your lifestyle Skills: Python AWS Go Java Benefits: Work From Home More ❯
Posted:

Data Scientist Manager

Belfast, United Kingdom
Hybrid / WFH Options
Avature
love to hear from you. Experience working with data: wrangling, cleaning, and transforming datasets for analysis. Familiarity with tools such as Alteryx, DataRobot, SAS, Databricks, SPSS, R, Python, Scala, Java, or Spark. Exposure to data visualisation platforms like Tableau or Power BI. Understanding of machine learning concepts and algorithms (e.g. classification, clustering, regression). Interest in or experience with Natural More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Consultant, Android Developer, Deloitte Digital

Belfast, United Kingdom
Hybrid / WFH Options
Deloitte LLP
Android Developer, certain essential professional experiences and skills are typically required: Extensive experience in Kotlin is crucial, as it's the primary language for modern Android development. Knowledge of Java is also beneficial for maintaining and updating legacy code. Deep familiarity with the Android SDK and its components, including different versions and how to deal with different screen sizes. Experience More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

QA Automation Engineer - (AVP)

Belfast, United Kingdom
Hybrid / WFH Options
Citigroup Inc
We are looking for a highly-skilled Automation Engineer with strong hands-on experience in Java and Selenium. The ideal candidate should have investment banking experience with a track record of QA in Front Office Trading Systems, excellent communication skills and expertise in industry-standard tools like Jira, ALM, Zephyr, Confluence, Jenkins, OpenShift, and Jenkins pipelines. Key Responsibilities Develop automation More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Consultant, Android Developer, Deloitte Digital

Belfast, United Kingdom
Deloitte LLP
Android Developer, certain essential professional experiences and skills are typically required: Extensive experience in Kotlin is crucial, as it's the primary language for modern Android development. Knowledge of Java is also beneficial for maintaining and updating legacy code. Deep familiarity with the Android SDK and its components, including different versions and how to deal with different screen sizes. Experience More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Data Scientist Consultant in Belfast - KPMG Ireland

Belfast, United Kingdom
WorksHub
should have experience in cleaning and transforming datasets for analysis. They should also be familiar with a range of tools including: Alteryx DataRobot SAS Databricks SPSS R Python Scala Java Spark In addition, exposure to data visualization platforms such as Tableau or Power BI would be beneficial. A solid understanding of machine learning concepts is also important for this role. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
Java
Belfast
10th Percentile
£42,500
25th Percentile
£50,000
Median
£55,000
75th Percentile
£60,000