Java Developer

Synechron; Sheffield; Sur place; GBP 90 000 - 130 000; Plein temps

Résumé du poste

Synechron seeks a Senior Cloud-Native Full-Stack Engineer to design, develop, and operate scalable enterprise applications. You will build Java/Spring Boot microservices, deploy on Kubernetes, and manage data stores across SQL and NoSQL databases while leveraging Kafka for event-driven architecture.

You will work across front-end tech (React/Angular/Vue) and CI/CD pipelines, using tools like Jenkins, Terraform, Helm, and observability stacks. Strong cloud and security practices are required.

Qualifications

• 8+ years of software engineering experience with Java and Spring Boot.
• Strong knowledge of microservices and distributed-system design.
• Hands-on production experience with Kubernetes and Docker.
• Practical experience with Istio or another service mesh.
• Databases fundamentals and multiple DB types (SQL/NoSQL).
• Experience with Kafka and cloud platforms (AWS/GCP/Azure).
• CI/CD, observability, incident response, and reliability mindset.
• Frontend familiarity with React, Angular, or Vue.js and AI tooling awareness.

Responsabilités

• Design and develop scalable Java/Spring Boot microservices.
• Build resilient distributed systems with caching, retries, and circuit breakers.
• Deploy and manage applications on AWS, GCP, or Azure.
• Operate workloads on Kubernetes, including deployments and autoscaling.
• Implement Istio for traffic mgmt, mTLS, and observability.
• Design relational and NoSQL data models and DB tuning.
• Build event-driven solutions using Apache Kafka.
• Develop front-end apps with React/Angular/Vue.js.
• Create CI/CD pipelines with Jenkins, GitHub Actions, or GitLab CI and Infra as code with Terraform/Helm.
• Monitor and troubleshoot with Prometheus, Grafana, and OpenTelemetry; ensure security and DR.

Connaissances

Java

Spring Boot

Microservices

Kubernetes

AWS

GCP

Azure

PostgreSQL

MySQL

MongoDB

Kafka

Docker

Istio

React

Angular

Vue.js

CI/CD

Jenkins

Prometheus

Grafana

OpenTelemetry

Terraform

Helm

AI tools

LLMs

Outils

Docker

Terraform

Helm

OpenTelemetry

Description du poste

Synechron is a global technology consulting firm that helps leading organizations accelerate digital transformation through innovation, expertise, and agility. With more than 16,500 professionals across around 60 offices in over 20 countries, we combine deep industry knowledge with advanced capabilities in AI, cloud, cybersecurity, and data engineering. Our regional teams, supported by strategic delivery centers, provide scalable, cost-efficient solutions tailored to local markets. Through our award-winning Synechron FinLabs accelerators and strategic partnerships with AWS, Microsoft, Databricks, Salesforce, and ServiceNow, we enable clients to innovate fast and lead with confidence. For more information on the company, please visit our website or LinkedIn community.

Diversity, Equity, and Inclusion:

Diversity & Inclusion are fundamental to our culture, and Synechron is proud to be an equal opportunity workplace and an affirmative-action employer. Our Diversity, Equity, and Inclusion (DEI) initiative ‘Same Difference’ is committed to fostering an inclusive culture – promoting equality, diversity and an environment that is respectful to all. We strongly believe that a diverse workforce helps build stronger, successful businesses as a global company. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We empower our global workforce by offering flexible workplace arrangements, mentoring, internal mobility, learning and development programs, and more.

All employment decisions at Synechron are based on business needs, job requirements and individual qualifications, without regard to the applicant’s gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.

Job Description:

We are seeking a highly experienced Senior Cloud-Native Full-Stack Engineer to design, develop, and operate scalable, secure, and resilient enterprise applications. The ideal candidate will have strong hands-on expertise across Java, Spring Boot, microservices, Kubernetes, cloud platforms, databases, Kafka, DevOps, observability, front-end technologies, and AI tools.

Key Responsibilities

• Design and develop scalable Java/Spring Boot microservices.
• Build resilient distributed systems using timeouts, retries, circuit breakers, caching, and asynchronous processing.
• Deploy and manage applications on AWS, GCP, or Azure.
• Develop and operate production workloads on Kubernetes, including deployments, services, ingress, autoscaling, configuration, and troubleshooting.
• Implement service-mesh capabilities using Istio, including traffic management, mTLS, security policies, and observability.
• Design and optimize relational and NoSQL databases based on application requirements.
• Build scalable and highly available event-driven solutions using Apache Kafka.
• Develop responsive front-end applications using React, Angular, or Vue.js.
• Build CI/CD pipelines and automate infrastructure using tools such as Jenkins, GitHub Actions, GitLab CI, Terraform, or Helm.
• Implement monitoring, logging, tracing, and alerting using Prometheus, Grafana, OpenTelemetry, ELK, or equivalent tools.
• Apply secure coding, cloud security, disaster recovery, and high-availability practices.
• Use AI-assisted development tools and contribute to AI/LLM-enabled solutions.
• Participate in architecture discussions, code reviews, mentoring, and technical leadership.

Required Qualifications:

• 8+ years of software engineering experience, with significant production experience in Java and Spring Boot.
• Strong knowledge of microservices and distributed-system design.
• Hands-on production experience with Kubernetes and Docker.
• Practical experience with Istio or another service mesh.
• Strong database fundamentals, including data modeling, indexing, transactions, replication, partitioning, and query optimization.
• Experience with PostgreSQL, MySQL, Oracle, MongoDB, Redis, DynamoDB, Cassandra, or equivalent technologies.
• Strong experience with Kafka, including partitions, consumer groups, replication, offsets, retention, ordering, and scalability.
• Experience with at least one major cloud platform: AWS, GCP, or Azure.
• Strong understanding of SDLC, Agile delivery, CI/CD, automated testing, release management, and production support.
• Experience with observability, incident response, performance tuning, and reliability engineering.
• Working knowledge of React, Angular, or Vue.js.
• Familiarity with LLMs, generative AI, prompt engineering, AI coding assistants, or agentic applications.
• Excellent communication, analytical, leadership, and problem-solving skills.

Preferred Qualifications:

• Experience building mission-critical, high-availability systems.
• Experience with multi-region architectures, zero-downtime deployments, and disaster recovery.
• Experience with OpenTelemetry, Terraform, Helm, Kafka Streams, GraphQL, or gRPC.
• Cloud or Kubernetes certifications.
• Experience mentoring engineers and leading technical design initiatives.