Senior Python Developer

Senior Python Developer
Location: Dublin (Hybrid - 3 days onsite)
Contract: Long-term contract (minimum 6 months)

About the Role

We are seeking an experienced Senior Python Developer with strong enterprise engineering expertise to design, build, and maintain complex, scalable systems within a regulated global banking environment.

This opportunity is ideal for a hands-on engineer who combines strong coding ability with ownership, collaboration, and clear communication. You will contribute to mission-critical services across distributed systems, Real Time streaming pipelines, OpenShift deployments, and high-throughput data platforms.

Please note: project allocation may vary depending on business needs, and your experience will be aligned to the most appropriate team.

Key Responsibilities

Core Engineering & Application Development
. Develop, optimise, and maintain scalable Python applications and internal platforms
. Write clean, maintainable, and well-tested code aligned with enterprise standards
. Conduct detailed code reviews and promote engineering best practices
. Mentor peers and contribute to high-quality coding patterns

Cloud, Deployment & Platform Operations
. Deploy, manage, and troubleshoot applications on OpenShift (containers, routes, pods, config maps, secrets, operators)
. Collaborate with SRE and Platform teams to ensure resilient and observable systems

Streaming, Messaging & Distributed Systems
. Build and support Real Time pipelines using Apache Kafka (producers, consumers, schema evolution, partitioning, offsets)
. Ensure reliability, ordering guarantees, and performance optimisation across distributed services

Distributed SQL & Data Platforms
. Work with Starburst/Trino for high-performance distributed SQL across federated datasets
. Apply strong SQL expertise for complex queries and performance tuning
. Integrate applications with Hitachi S3 for secure and scalable storage access

Caching & Performance Engineering
. Implement and tune Redis-based caching solutions for low-latency and high-volume workloads

Delivery & Agile Collaboration
. Work closely with cross-functional engineering squads, product owners, and data teams
. Use JIRA for sprint planning, tracking, and workflow management
. Participate actively in grooming, peer reviews, and continuous improvement initiatives

Required Experience

Essential Technical Skills
. Strong Python development within enterprise, multi-developer environments
. Experience building scalable production applications (not Scripting/automation-only backgrounds)
. Hands-on OpenShift production deployment and support
. Practical experience with Apache Kafka
. Professional Git workflows and code review processes
. Starburst/Trino for distributed query processing
. Advanced SQL (joins, CTEs, window functions, performance tuning)
. Experience integrating with Hitachi S3
. Redis caching in high-throughput systems
. Confident use of JIRA in Agile environments

Behavioural & Professional Qualities
. Strong communication skills with global stakeholders
. Analytical mindset with strong problem-solving ability
. Proactive, self-directed, and accountable
. High ownership of deliverables and system health
. Collaborative team player who elevates overall engineering quality

Preferred/Nice to Have
. Microservices architecture and distributed transactions
. CI/CD pipelines (Jenkins, Azure DevOps, GitHub Actions)
. Exposure to enterprise security, compliance, and secret management

We use generative AI tools to support our candidate screening process. This helps us ensure a fair, consistent, and efficient experience for all applicants. Rest assured, all final decisions are made by our hiring team, and your application will be reviewed with care and attention.

Please be advised if you haven't heard from us within 48 hours then unfortunately your application has not been successful on this occasion, we may however keep your details on file for any suitable future vacancies and contact you accordingly.

Pontoon/Adecco is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive.