Experience Strong knowledge of Java 11+ and modern Java frameworks Experience writing efficient, scalable, and high-performance Java applications Familiarity with multithreading, concurrency, and distributed computing Big Data & DistributedSystems Knowledge: Strong understanding of how distributedsystems function, particularly in large-scale data environments Hands More ❯
Requirements: Expertise in Java (version 11 or higher) with 8-12 years of hands-on commercial development experience. Proficient in understanding and working with distributedsystems, specifically technologies such as Hadoop and Apache Hive. Mandatory experience with Apache Spark for big data processing. Familiarity with streaming technologies, particularly … years of relevant experience in software development, with a focus on Java programming. Proven track record of working on complex projects in a distributedsystems environment. Qualification: Bachelor’s degree in computer science, Software Engineering, or a related field. Relevant certifications in Java or software development methodologies are More ❯
belfast, antrim, united kingdom Hybrid / WFH Options
Ocho
development lifecycle from architecture and design to deployment and monitoring Driving technical and architectural decisions that enhance the scalability, security, and efficiency of backend systems Leading and mentoring junior engineers, fostering best practices and high-quality code standards Optimizing system performance for large-scale, data-intensive applications Collaborating with … have: 5+ years of backend development experience in Java or Go A strong background in cloud platforms (AWS, GCP, or Azure) Experience working with distributedsystems, event-driven architectures, and microservices Deep understanding of data-intensive systems (databases, messaging systems, event-driven processing) A solid grasp More ❯
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 distributedsystems such as Kafka, Kubernetes, S3, DynamoDB, MongoDB or any other NoSQL database More ❯
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 distributedsystems such as Kafka, Kubernetes, S3, DynamoDB, MongoDB or any other NoSQL database #J-18808-Ljbffr More ❯
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 distributedsystems such as Kafka, Kubernetes, S3, DynamoDB, MongoDB or any other NoSQL database Job Family Group: Technology Job Family: Applications Development Time Type More ❯
Boot. Experience with containerisation (Docker), orchestration (Kubernetes) and cloud platforms (we use Microsoft Azure!). Knowledge of different architectural patterns. Working experience with scalable distributed systems. An insatiable curiosity about software engineering and technology. Demonstrated leadership abilities, with a passion for coaching and mentoring less-experienced developers. A strong More ❯
belfast, antrim, united kingdom Hybrid / WFH Options
Ocho
with CI/CD pipelines and modern deployment workflows Experience with cloud platforms (GCP, AWS, or Azure) Strong understanding of system design, APIs, and distributedsystems Collaborative mindset, comfortable working with remote teams across time zones Desirable Skills: Familiarity with containerisation technologies (Docker, Kubernetes) Experience with messaging systemsMore ❯
belfast, antrim, united kingdom Hybrid / WFH Options
Ocho
and scalable architecture. Were hiring for Principal and Staff-level Engineers with deep Python and AWS expertise engineers who think beyond code to shape systems, influence decisions, and mentor others. You'll be instrumental in evolving a platform that digitises complex workflows and surfaces operational insights in real time. … What Youll Be Doing Architecting and building production-grade backend services and APIs using Python (Django or Flask). Designing distributedsystems on AWS, with performance, resilience, and scalability top of mind. Leading by example through clean code, mentoring, and clear technical direction. Owning CI/CD workflows … AWS and modern infrastructure tooling (Terraform, Docker, Kubernetes). Experience delivering microservices, REST APIs, and serverless or container-based architectures. Track record of owning systems end-to-end, including monitoring, alerting, and zero-downtime releases. CI/CD fluency Jenkins, GitHub Actions, CircleCI or similar. Strong communication and mentorship More ❯
belfast, antrim, united kingdom Hybrid / WFH Options
Ocho
term buildout. The immediate need is for a hands-on Senior Backend Developer with strong experience in serverless AWS architecture, Python-based microservices, and distributed systems. You'll join a remote-first team that spans across the US, and the UK, collaborating through Slack and working with autonomy and … and event-driven infrastructure. Key Responsibilities: * Design and develop cloud-native backend services using Python and AWS Lambda * Build scalable microservices and event-driven systems using SQS, SNS, and EventBridge * Contribute to API development (REST/GraphQL) and data integration pipelines * Collaborate with cross-functional teams on architecture and … a SaaS or cloud-first environment * Strong Python backend development experience * Deep understanding of AWS serverless tools (Lambda, DynamoDB, API Gateway, etc.) * Experience building distributedsystems and event-driven architecture * Familiarity with GraphQL APIs and scalable API design * Exposure to cloud observability (tracing, metrics, logging) and DevOps workflows More ❯
strong software engineering fundamentals (OO design, test-driven development, unit testing, code reuse, code reviews) as well as hands-on experience with highly scalable distributedsystems across the full software lifecycle (design, build, test, deploy, support). We love people who are willing to explore new areas, learn More ❯
a contract basis. This company is renowned for its engineering excellence, and they're looking for a Senior Backend Engineer who can take their distributedsystems to the next level. As a Senior Backend Engineer, you'll be working on mission-critical, data-intensive applications that push the … reviews, design discussions, and knowledge sharing. Senior Backend Engineer (Go) - Key Requirements: Significant professional experience in software development, with a strong focus on backend systems Proficiency in Go/Golang and proven expertise in AWS, Kubernetes, and Docker Experience with end-to-end software engineering, including system design and More ❯
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 ❯
belfast, antrim, united kingdom Hybrid / WFH Options
MCS Group
a microservices environment. Strong background in AWS (Lambda, ECS, DynamoDB, S3, etc.) and cloud-native architecture. A track record of building and scaling complex distributed systems. Leadership experience with a passion for developing others and promoting engineering excellence. A proactive mindset, strong problem-solving ability, and a love for More ❯
Do you dream in Java? Do you get excited about distributedsystems? Does the idea of tackling greenfield projects make you excited? The Gig: Were on a mission to build a next-levelplatforma mix of shiny new greenfield work and some exciting enhancements to existing systems. No boring More ❯
Ensure that best practices and standards are followed as part of the application development life cycle. Participate in SDLC, Agile SCRUM. Analyze existing software systems and propose solutions to improve overall design, architecture, and efficiency. Troubleshoot and debug applications. Ensure applications meet performance and scalability requirements. Stay up to … date with the latest technologies and industry trends. Mandatory Skills Experience as a Java software developer. This will be tested at interview. Messaging Systems experience (Kafka, Nats, Solace, TiBCo, RabbitMQ, etc.). Experience working with SQL and databases such as Oracle, SQL Server, Hadoop, etc. Agile SCRUM. Experience with … SOAP/REST), DB2 Database, JMS, MQ, NDM, SFTP. Acquainted with industry best practices and standards, software development tools, and techniques. Experience in developing distributed systems. Experience in the use of Containers (Docker, Kubernetes). Nice to have skills Experience in Low Latency Software Development. Experience in C++. Experience More ❯