Permanent Java Jobs in Belfast

1 to 25 of 135 Permanent Java Jobs in Belfast

Senior Java Software Engineer

Belfast, Northern Ireland, United Kingdom
Ocho
Java Engineer – Cloud (GCP or AWS) | Scalable Systems | Product Environment Are you a Java engineer who thrives on building scalable, cloud-native systems? Want to make a tangible impact on modern product development in a fast-moving team? My client is looking for a Java Engineer with strong experience in … testing, and resilience of services. Take ownership of cloud infrastructure components using GCP or AWS services. Essential Skills and Experience: Strong commercial experience with Java (Java 11 or newer) . Hands-on experience with GCP or AWS , including services such as Cloud Run, Pub/Sub, BigQuery, S3, Lambda, or … with CI/CD pipelines, containerisation (Docker), and infrastructure-as-code tools (e.g., Terraform, CloudFormation). Desirable: Experience with Spring Boot or other modern Java frameworks. Exposure to event-driven architecture or messaging systems (Kafka, Pub/Sub). Familiarity with Kubernetes and cloud security best practices. Why Join? Work More ❯
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Senior Java Software Engineer

belfast, antrim, United Kingdom
Hybrid / WFH Options
G.Digital
Senior Java Developer - £75k | FinTech | remote | Java, React, AWS, TypeScript G.Digital have exclusively partnered with a growing FinTech who are looking for a Senior Java Engineer. 🔧 What You’ll Do: Design, develop, and maintain high-performance Java applications Collaborate with cross-functional teams to define, design, and ship new features … of applications Mentor junior developers and provide technical leadership Advocate for clean, scalable, and maintainable code ✅ What you will need: 5+ years of professional Java development experience Experience working with TypeScript to help with frontend bottlenecks Strong understanding of Spring/Spring Boot, REST APIs, and microservices architecture Solid knowledge … plus Excellent problem-solving skills and a team-first mindset 💡 Bonus Points For: Experience with Python 🚀 Package up to £75k remote working bonus Senior Java Developer - £75k | FinTech | remote | Java, React, AWS, TypeScript More ❯
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Technical Lead

belfast, antrim, United Kingdom
Hybrid / WFH Options
Version 1
patterns, including microservices and message-driven architectures Hands-on developing/coding experience using the following technologies: Frontend ( React, Angular, JavaScript, TypeScript) Backend ( Node.js , Java, Spring Boot, Hibernate) NFR/Non-Functional requirement understanding and experience developing applications with this in mind Strong experience with Test-Driven Development (TDD) approach More ❯
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Software Engineer

Belfast, United Kingdom
Hybrid / WFH Options
Keller Executive Search
Computer Science, Software Engineering, or a related field. 2+ years of experience in software development, with proficiency in one or more programming languages (e.g., Java, C#, Python, etc.). Experience in designing and developing API services and RESTful applications. Familiarity with databases (SQL and NoSQL) and cloud technologies (AWS, Azure More ❯
Employment Type: Permanent
Salary: GBP Annual
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Full Stack Software Engineer

Belfast, United Kingdom
Cprvision
tools, focusing on seamless deployment and operational efficiency Programming Proficiency: Strong skills in scripting and programming with experience in languages such as Python, Bash, Java, C#, or Node.js, suitable for diverse development and automation tasks. Project Management and Delivery: Proven ability to plan, manage, and deliver large-scale cloud transformation More ❯
Employment Type: Permanent
Salary: GBP Annual
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Software Engineer (Assistant Vice President)

Belfast, United Kingdom
Citigroup Inc
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 popular frameworks like Spring Experience of following TDD and clean code principles Proficiency More ❯
Employment Type: Permanent
Salary: GBP Annual
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Software Engineer

Belfast, United Kingdom
Citigroup Inc
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 popular frameworks like Spring Experience of following TDD and clean code principles Proficiency More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principal Software Engineer (Rates & FX)

Belfast, United Kingdom
TP ICAP Group
platforms and knowledge of financial markets Knowledge of FIX protocol and ability to handle FIX interactions In-depth knowledge of AWS services Experience with Java, JavaScript or React Experience with serverless architecture and microservices Experience with TDD, BDD or similar approaches Band & Level - Manager, 7 Company Statement We know that More ❯
Employment Type: Permanent
Salary: GBP Annual
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Solutions Architect

belfast, antrim, United Kingdom
Hybrid / WFH Options
Annapurna
or equivalent technical role. • Proven track record designing enterprise-level solutions across various platforms and technologies. • Proficiency in at least one programming language (e.g., Java, Python, C#). • Strong understanding of cloud platforms (AWS, Azure, or Google Cloud) and modern architectural approaches. • Hands-on experience with APIs, microservices, containerisation (e.g. More ❯
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Software Engineer in Test - Integration

Belfast, United Kingdom
CME Group Inc
Continuously improve the test automation framework and processes. Contribute to improving team processes and methodologies and following best practices. Essential Criteria Competent in Python, Java or alternative object-oriented language(s). Competent working in a Linux command line driven environment. Experience of writing and refactoring both manual and automated More ❯
Employment Type: Permanent
Salary: GBP Annual
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Staff AI/ML Engineer

belfast, antrim, United Kingdom
Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
by example. Strong communication and stakeholder engagement skills. A degree in Computer Science, Engineering, Data Science, or a similar field. Tech Stack Highlights Python Java AWS (including Bedrock) Claude Terraform Docker MySQL GitHub & GitHub Actions Perks and Benefits Competitive salary package 25 days holiday (Not including bank holidays) Flexible remote More ❯
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Full Stack Software Engineer - Healthcare

belfast, antrim, United Kingdom
Princeton Biopartners
Mastery of modern web technologies & Javascript is essential: React, CSS, Node, Angular, etc. Proficient in at least one all purpose imperative language: Python (ideal), Java, C++, etc. Familiar with modern DevOps/CloudOps best practices - test driven development, CI/CD, etc. Desirable: prior experience with Azure and NoSQL Desirable More ❯
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Principal QA Engineer

Belfast, United Kingdom
Hybrid / WFH Options
Instil
of testing and executing against web applications, APIs, and microservices. Proficiency in one or more programming/scripting languages (e.g., JavaScript, Python, C# or Java). Extensive experience with test automation tools, frameworks and good practice approaches. Strong knowledge of performance testing and performance testing tools such as JMeter. Familiarity More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Product Security Engineer

Belfast, United Kingdom
Smarsh, Inc
expertise in secure software development, secure coding practices, and OWASP Top 10/CWE 25. Strong technical proficiency in modern programming languages (e.g., Python, Java, JavaScript, Go, or C#). Experience with cloud-native security (AWS, Azure, GCP) and securing containerized environments (Docker, Kubernetes). Proficiency in security testing tools More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior PHP Developer

belfast, antrim, United Kingdom
Hybrid / WFH Options
Space Executive
Backend Developer with DevOps experience, possessing the following: • Proven expertise (5+ years) in backend development with proficiency in PHP and experience in Python or Java as a plus. • Familiarity with PHP frameworks, preferably Laravel. • In-depth knowledge of relational databases (MySQL) and NoSQL systems (e.g., Elasticsearch). • Hands-on experience More ❯
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Software Engineer II (DevOps)

Belfast, United Kingdom
Divvy Cloud Corp
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 More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Test Automation Engineer

Belfast, United Kingdom
EverQuote, Inc
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 More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Java Developer (Senior Vice President)

Belfast, United Kingdom
Citigroup Inc
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 More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Rust Engineer | Remote | FinTech

belfast, antrim, United Kingdom
Hybrid / WFH Options
UMATR
tools Clear communication skills with a proactive, team-oriented mindset Experience across the full software development lifecycle 💡 Bonus Points For Experience with C++ or Java Exposure to crypto, trading, or finance-related platforms Familiarity with Docker, Kubernetes, CI/CD (GitHub Actions, GitLab, Jenkins, etc.) Prior contributions to open-source More ❯
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Senior DevOps Engineer - Platform Delivery

Belfast, United Kingdom
Divvy Cloud Corp
with strong communication skills Proficient in AWS services, including EC2, RDS, EMR, VPC networking, S3, etc. Comfortable with one or more of: Python, Ruby, Java, Groovy, Bash Working knowledge with one or more of: Terraform, Ansible, Kubernetes, Podman Familiar with Istio, Karpenter, Kong, Cassandra, ElasticSearch, Jenkins, Argo, Spinnaker, Git Linux More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack Engineer

belfast, antrim, United Kingdom
eTeam
Skills Minimum of 6-9 years of experience with a history of hands on development in at least one of the following programming languages: Java, C#, C/C++, Python, Javascript, Ruby. Significant experience using and implementing Web Services (REST, SOAP, RPC, RMI) and monitoring APIs. Familiarity with network communication More ❯
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Senior Software Engineer

Belfast, Northern Ireland, United Kingdom
Hybrid / WFH Options
Search 5.0
expertise to encourage their development and strengthen the team's overall skillset. Skills Profile Strong command of JVM-based languages, with openness to Kotlin, Java, Scala, or Groovy. Experience delivering scalable, production-quality software solutions end-to-end. Focused on outcomes, with practical experience in service-oriented and microservices architectures. More ❯
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Senior DevOps Engineer

belfast, antrim, United Kingdom
Hybrid / WFH Options
Growing Start up
Datadog, Prometheus, and Grafana Debugging complex systems using tools like strace, dtrace, and beyond Supporting a tech stack that includes Rust, Python, Go, C++, Java, and more 🧠 What You Bring: 5+ years’ experience in DevOps or Systems Engineering 3+ years in fast-moving startups (teams under 50 is a must More ❯
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Principal Software Engineer

Belfast, United Kingdom
Hybrid / WFH Options
Instil
that values quality, robustness, and knowledge sharing. Need to have: A minimum of 8 years post-graduate experience in the software industry. Expertise in Java, Kotlin, Typescript, or C#. Expertise in React or Angular. Experience developing cloud-native solutions and modern frontend applications. Experience developing secure and robust architectures. Experience More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

SAP BTP Technical Specialist

belfast, antrim, United Kingdom
Swissport
as Web IDE, Business Application Studio, and SAP Cloud SDK Solid understanding of cloud computing concepts and architectures Proficiency in programming languages such as Java, JavaScript, and Python Familiarity with RESTful APIs and microservices architecture Knowledge of DevOps practices and tools (e.g., Git, Jenkins, Docker) Strong problem-solving and analytical More ❯
Posted:
Java
Belfast
10th Percentile
£42,500
25th Percentile
£50,000
Median
£55,000
75th Percentile
£60,000