Location: Dublin, Ireland (Hybrid – 3 Days Onsite, 2 Days Remote) Contract: 6-Month Rolling (Long-Term Potential) Rate: Competitive Daily Rate Stelfox is partnering with a leading Dublin-based organization currently expanding its technology team. We are seeking experienced Senior Python Developer to join on a contract basis and play a key role in delivering high-impact, agile-driven projects. Key Responsibilities Develop clean, maintainable, and well-tested code aligned with industry best practices. Design and implement scalable backend solutions using Python. Collaborate closely with UX/UI teams to deliver seamless, user-focused features. Identify and resolve performance bottlenecks to optimise application efficiency. Translate business requirements into robust, efficient technical solutions. Contribute to code reviews and drive continuous improvement initiatives. Required Skills & Experience 5+ years of hands‑on professional experience in Python development. Strong expertise in Flask and Django frameworks. Experience with CI/CD and DevOps tools, including Git, Jenkins, Artifactory, and Ansible. Comfortable working within Linux/UNIX environments. Solid understanding of SQL and relational database systems. Demonstrated experience building and maintaining RESTful APIs. Experience working in Agile environments with strong communication and collaboration skills. This is an excellent opportunity to join a fast-growing team, contribute to meaningful projects, and work within a dynamic, technology-focused environment. #J-18808-Ljbffr
Stelfox Tech Recruitment is seeking an experienced Senior Python Developer for a Dublin-based organization on a 6-month rolling contract. This role offers a hybrid work model with 3 days onsite and 2 days remote. The ideal candidate will have 5+ years in Python development, strong expertise in Flask and Django frameworks, and experience with CI/CD and DevOps tools. This is a fantastic opportunity to join a fast-growing team and contribute to impactful projects. #J-18808-Ljbffr
Stelfox is working closely with a forward thinking AI-powered SaaS Fintech provider who are scaling their engineering function in Ireland / Cork as the look to launch their platform/product into further markets which will require them to further scale their existing distributed, event-driven microservices backend. We are looking to recruit Backend engineers who enjoy scaling complex problems and takes ownership of end-to-end services from systems design right through to pushing code into production environment with a growing event-based platform that clients rely heavily on. Why join this team? Fast growing product, that will expand into new market and is being AI into their product architecture. Ability to own your work and make high visible impact within the team/company. Join a team that are heavy believers/users of AI assisted tools to enhance their productivity and speed of execution (their spend on tokens is nearly as high as their spend on Azure:-) ) Work on a modern technology stack that isn't hampered by legacy code or bad engineering practices. Everyone codes in the tech org, including the CTO so continuously brainstorming and looking for ways to always be innovating while running a platform at scale. Be a part of a team that has a startup vibe to engineering yet is backed by an industry leader in their space (The rewards of a scaleup without the pressures of chasing the next funding round). Example tooling & tech stack you will be working on / exposed to: Distributed, event-driven microservices backend using .Net Core, Akka.Net / Actor systems, Azure and related technologies. .Net 8, C#, F#, Angular, Typescript, MongoDB, Azure SQL, Elasticsearch, AKS, Docker, Kubernetes, APIs, Copilot / Claude plus a range of others tooling. If you are currently operating as a Backend / Senior Backend engineer who involved understanding and solving complex problems when it comes to system performance, scalability, observability & monitoring or tooling that enhances live production platforms, then we would like to hear from you! Note - the company operate a hybrid working policy that consists of 1 day in office, 4 days WFH so giving a good balance to engineering teams/staff. Please note, applicants will need to have legal authorisation to work in Ireland. #J-18808-Ljbffr
Stelfox is working closely with a forward thinking AI-powered SaaS Fintech provider who are scaling their engineering function in Ireland / Cork as the look to launch their platform/product into further markets As we expand the team in Ireland (Cork), we are looking to recruit a Frontend Engineer to help build a complex multi-tenant SaaS platform. This is a product engineering UI role (not resolving or taking UI tickets), meaning you will design, develop and maintain robust frontend applications built in Angular & Typescript. You will be able to handle complex application state, asynchronous behaviour, permission, validation, edge cases and failure modes. Why join this team? Fast growing product, that will expand into new market and is being AI into their product architecture. Ability to own your work and make high visible impact within the team/company. Join a team that are heavy believer and users of AI assisted tools to enhance their productivity and speed of execution (their spend on tokens is nearly as high as their spend on Azure). Work on a modern technology stack that isn't hampered by legacy code or bad engineering practices. Everyone codes in the tech org, including the CTO so continuously brainstorming and looking for ways to always be innovating while running a platform at scale. Be a part of a team that has a startup vibe to engineering yet is backed by an industry leader in their space (The rewards of a scaleup without the pressures of chasing the next funding round). Experience we are looking for: Strong frontend engineering fundamentals. Strong experience building modern frontend applications in Typescript. Strong experience with Angular in production systems. Good understanding of component design, application structure, state management and maintainable SPA architecture. Use good judgement about when to keep solutions simple and when to invest in stronger abstraction or structure. If you are operating in a comparable role as outlined above, then feel free to apply today for immediate consideration. Note - the company operate a hybrid working policy that consists of 1 day in office, 4 days WFH so giving a good balance to engineering teams/staff. Please note, applicants will need to have legal authorisation to work in Ireland. #J-18808-Ljbffr
Stelfox Tech Recruitment is seeking a Principal / Staff Backend Engineer for a leading AI-powered SaaS Fintech provider in Cork, Ireland. You will play a vital role in scaling their event-driven microservices backend and guiding system design. Strong knowledge of .Net Core and distributed systems is essential. This position operates under a hybrid working policy with one day in office and four days remote, offering a dynamic startup-like environment backed by a prominent industry player. #J-18808-Ljbffr
Location - Hybrid (Dublin or Cork City) We are looking to recruit a Backend Software Engineer for a Server‑side web engineering team who has ambition to step into a Senior engineer role and enjoys taking ownership for the code, features and tasks they create when deploying into production and happy to advance a product forward for customers. You will be joining a small (yet growing) highly successful product company who are building and delivering a complex first mover product to their industry domain with a growing customer base. Why Join? Part of a high standards engineering team, headquartered from Ireland, who believe in proper design, clean and maintainable coding standards and bring ideas and thoughts to the table. The company does not have 10 layers of management and decision makers so you are not in meetings for the sake of meetings You get to engage directly with the C‑suite team daily. You get to directly impact the core product in a market segment that is highly lucrative as a domain. The team are quite agile so you don't need to be stuck in technical debt for your career if this is holding you back, instead use your time and energy to advance their SaaS product modules further for the benefits of customers. Modern Tech Stack - Typescript, Node.js, React, AWS Services (EC2, Lambda, RDS, Cloudwatch plus many others), Docker containers, Kubernetes, IaC to list a few. Preferred Experience A degree or Masters in Computer Science, IT, Mathematics or equivalent is preferred. 4-6+ years commercial experience as a Backend Software Engineer, preferably creating and deploying applications/services onto cloud infrastructure (AWS). Strong OOP & OO Design experience, understand the importance of good design and coding standards. Experience creating applications/services using a Microservices / Serverless architecture approach. Strong experience in REST API's. Solid exposure to SQL / NoSQL databases. Experience with Docker containers, IaC tools is preferred. Note - we are open to considering candidates who wish to work from either the Dublin or Cork office on a hybrid basis. #J-18808-Ljbffr
Stelfox Tech Recruitment is seeking an experienced Backend Engineer to join a fast-growing AI-powered SaaS Fintech provider in Cork, Ireland. This role involves scaling complex systems and taking ownership of the entire service lifecycle from design to deployment. You'll work with modern technologies like .NET Core, Docker, and Kubernetes, in a hybrid environment that offers a blend of remote and on-site work. If you have experience in event-driven architectures and backend engineering, we would love to hear from you. #J-18808-Ljbffr
Stelfox Tech Recruitment is seeking a Frontend Engineer in Cork, Ireland, to contribute to a complex multi-tenant SaaS platform. The ideal candidate will have strong skills in frontend engineering, Typescript, and Angular, responsible for designing and maintaining robust applications. This role offers a balance between office and remote work, allowing team members to excel in a dynamic, AI-driven environment. Join a fast-growing company with a startup vibe but stable industry leadership. #J-18808-Ljbffr
Stelfox is working closely with a forward thinking AI-powered SaaS Fintech provider who are scaling their engineering function in Ireland / Cork as the look to launch their platform/product into further markets which will require them to further scale their existing distributed, event-driven microservices backend. One of the key hire we are looking to recruit, is for a Principal / Staff level Backend engineer who enjoys scaling complex problems and takes ownership of end-to-end services from systems design, architecture right through to pushing code into live production environment with a growing event-based platform that clients rely heavily on. As a Principal engineer, you will work closely with both the CTO & Head of Engineering to future-proof the scalability, performance and new feature development for their core platform, while leading by example to the rest of the engineering team in Ireland / Europe. Why join this team? Fast growing product, that will expand into new market and is being AI into their product architecture. Ability to own your work and make high visible impact as a key engineering hire within the team/company. Join a team that are heavy believer and users of AI assisted tools to enhance their productivity and speed of execution (their spend on tokens is nearly as high as their spend on Azure) Work on a modern technology stack that isn't hampered by legacy code or bad engineering practices. Everyone codes in the tech org, including the CTO so continuously brainstorming and looking for ways to always be innovating while running a platform at scale. Be a part of a team that has a startup vibe to engineering yet is backed by an industry leader in their space (The rewards of a scaleup without the pressures of chasing the next funding round). Example tooling & tech stack you will be working on / exposed to: Distributed, event-driven microservices backend using .Net Core, Akka.Net / Actor systems, Azure and related technologies. .Net 8, C#, F#, Angular, Typescript, MongoDB, Azure SQL, Elasticsearch, AKS, Docker, Kubernetes, APIs, Copilot / Claude plus a range of others tooling. What will you be doing: Guiding system design and raising engineering standards. Identify systemic risks, challenge weak designs and ensure the system/platform behaves predictably in production. You role will help enable the teams to deliver faster and with more confidence. Work across teams to shape system design in a distributed, event-driven architecture Lead investigation of complex production issues across services, data stores, and asynchronous processes Identify root causes of performance problems, data inconsistencies, and scaling issues Enforce high standards in code review and system design across teams Mentor engineers to improve system thinking, debugging ability, and production awareness Establish and reinforce patterns for building reliable and scalable systems If you are currently operating as a Principal / Staff / Lead or Senior engineer in a comparable role as outlined above, feel free to apply for immediate consideration. Note - the company operate a hybrid working policy that consists of 1 day in office, 4 days WFH so giving a good balance to engineering teams/staff. Please note, applicants will need to have legal authorisation to work in Ireland. #J-18808-Ljbffr
Reporting to the Senior IT Security Manager, the Senior Cloud & Kubernetes Security Engineer is a hands‑on cloud and container security specialist. This role is responsible for securing large‑scale, multi‑cloud, and Kubernetes‑based environments. You will define and enforce security standards, hardening baselines, and detection capabilities, partnering with DevOps, networking, and SOC teams to embed security into design and automation. This is 12 month initial contract term with a view to extension. Long‑term / rolling contract. Hybrid (1 day onsite per week) Responsibilities Deploy and manage CSPM, CNAPP, and CWPP solutions for continuous posture management across multi‑cloud and Kubernetes environments. Build and maintain "Security as Code" using Terraform, CloudFormation, or Bicep, and policy‑as‑code. Define and enforce cloud security reference architectures and guardrails based on Zero Trust and Least Privilege principles. Integrate cloud telemetry (GCP Audit Logs, CloudTrail, Azure Monitor, K8s audit logs) with SIEM/SOAR platforms for enhanced visibility. Own the security posture of containerized workloads (GKE, AKS, EKS); define security baselines for images, registries, and runtimes. Optimize cloud‑native security controls including Identity and Access Management (IAM), network security (WAFs, VPC controls), and data protection (KMS/Vault). Harden clusters through secure configuration of RBAC, Network Policies, and Admission Controllers. Investigate and respond to cloud security incidents, providing triage, containment, and forensic support. Stay up to date with current vulnerabilities, attacks, and countermeasures relevant to cloud‑native ecosystems. Qualifications Cloud Expertise: Hands‑on experience with at least two major public clouds (GCP and Azure preferred; AWS and OCI a plus). Technical Skills: Proficiency in scripting (Python preferred; Bash or Go a plus) and working knowledge of Infrastructure as Code (IaC). Experience: 5+ years of progressive experience in Information Security, with at least 3+ years focused on Cloud security and 2+ years on Kubernetes/Container security. Container Security: Strong expertise in Kubernetes security controls (RBAC, Secrets, Ingress, TLS) and container runtime internals. Compliance & Frameworks: Knowledge of information security standards (e.g., ISO 27001, SOC 2, NIST) and CIS Benchmarks for Cloud and Kubernetes. Professional Certifications: CISSP, CKS (Certified Kubernetes Security Specialist), or cloud‑specific certifications (GCP Professional Cloud Security Engineer, Azure Security Engineer) are highly desirable. Soft Skills: Proven ability to influence engineering teams without direct authority and experience working in multi‑national corporate environments. #J-18808-Ljbffr
