A technology company in Dublin is seeking an experienced software engineer to join their Inference team. The role involves building and maintaining critical AI systems that serve numerous users worldwide. Candidates should have significant experience with distributed systems, as well as a solid grasp of Kubernetes and cloud infrastructure. The ideal applicant will also possess a Bachelor's degree in a related field. We offer competitive compensation and promote a hybrid working model. #J-18808-Ljbffr

Senior Software Engineer (Python) | Trading Technology Our client is a leading global proprietary trading firm operating at the intersection of technology, quantitative research, and financial markets. With a strong engineering culture and a long-term outlook on technology investment, they build highly performant, research-driven trading systems that operate at scale across global markets. They are seeking a Senior Software Engineer (Python) to join a core options trading strategy development team in Dublin. This role sits close to trading and quantitative research, building critical platforms that underpin research, analysis, and live trading. The Role As a Senior Software Engineer, you will be responsible for the ongoing development, maintenance, and evolution of a Python-based quantitative research and trading platform . This platform enables researchers and traders to rapidly analyse data, test ideas, and deploy new trading strategies in a production environment. You will work closely with Traders, Quantitative Researchers, and Strategy Developers , contributing directly to new trading capabilities and improving the performance, stability, and usability of core systems. Key Responsibilities Design, build, and maintain a Python-based platform supporting quantitative research and trading Continuously improve system stability, performance, and usability Collaborate directly with traders and quantitative researchers to enable new trading behaviours and workflows Work with large-scale datasets, building and maintaining production-grade data pipelines Develop and support distributed, message-based systems used in live trading environments Participate in the deployment, monitoring, and support of production systems Contribute ideas and technical solutions to improve processes, tooling, and architecture Required Background Degree in Computer Science, Engineering, or a related technical/scientific discipline 5+ years of professional Python development experience Strong experience with the Python scientific ecosystem (e.g. NumPy, pandas, SciPy) Experience building server-side software and distributed, message-based systems Exposure to web services and Python development frameworks Experience across the full software development lifecycle Familiarity with agile development practices What They're Looking For A pragmatic engineer who enjoys working close to the business and seeing real-world impact Someone comfortable owning systems and driving continuous improvement Strong communication skills and the ability to work effectively with non-engineering stakeholders High attention to detail and the ability to adapt to changing priorities A willingness to learn new technologies and propose innovative technical solutions Self‑motivated, accountable, and comfortable working in a fast‑paced trading environment Why Join? Work directly on systems that influence real-time trading decisions Collaborate with top-tier traders and quantitative researchers Operate in a meritocratic, low-bureaucracy engineering culture Tackle complex technical and data challenges at scale Long‑term, stable environment with significant investment in technology Apply Now! Dublin, County Dublin, Ireland Referrals increase your chances of interviewing at Selby Jennings by 2x Job Details Seniority level: Mid‑Senior level Employment type: Full‑time Job function: Finance Industries: Capital Markets, Financial Services, and Investment Management #J-18808-Ljbffr

The MongoDB Query Execution Team is hiring software engineers who want to join us in developing a fast and modular distributed query system. Our engineers work on implementing and maintaining execution algorithms, building new query language features, tuning database performance, and more to help power our customers' critical workloads. This role can be based out of our Dublin office or remotely in Ireland. Position Expectations Understand and improve current functionality of the MongoDB query engine Contribute high quality C++ code and give and solicit feedback in code reviews Identify, design, implement, test, and support new features related to query performance and robustness, query language enhancements, diagnostics for query performance problems, and integration with other products and tools Work constructively with peers to deliver excellent technical solutions Candidate Profile 5+ years of experience in systems programming Experience in databases and/or data management systems is a huge plus, but not a requirement Hands-on experience building industrial-strength software Solid computer science fundamentals, with strong competencies in data structures, algorithms, and software design/architecture Experience with large code bases, preferably in C++, C, Rust or a similar compiled language B.Sc in Computer Science or similar field, or equivalent practical experience Interest in the theory and practice of database query engines. Hands-on experience or M.Sc./Ph.D in the domain is a plus Success Measures In three months you’ll have contributed to the development of a project slated for the next major version, as well as fixed a few bugs in a minor version of our latest stable release series In six months, you’ll have taken on code review responsibilities and are independently delivering complex functionality and squashing bugs independently In twelve months, you’re leading the development of a new major feature and are helping to mentor new engineers on the team MongoDB is committed to providing any necessary accommodations for individuals with disabilities within our application and interview process. To request an accommodation due to a disability, please inform your recruiter. MongoDB is an equal opportunities employer. #J-18808-Ljbffr

Senior Machine Learning Scientist Join to apply for the Senior Machine Learning Scientist role at Intercom Intercom is the AI Customer Service company on a mission to help businesses provide incredible customer experiences. Our AI agent Fin, the most advanced customer service AI agent on the market, lets businesses deliver always-on, impeccable customer service and ultimately transform their customer experiences for the better. Fin can also be combined with our Helpdesk to become a complete solution called the Intercom Customer Service Suite, which provides AI enhanced support for the more complex or high touch queries that require a human agent. Founded in 2011 and trusted by nearly 30,000 global businesses, Intercom is setting the new standard for customer service. Driven by our core values, we push boundaries, build with speed and intensity, and consistently deliver incredible value to our customers. What’s the opportunity? Intercom’s Machine Learning team is responsible for defining new ML features, researching appropriate algorithms and technologies, and rapidly getting first prototypes in our customers’ hands. We are an extremely product focused team. We work in partnership with Product and Design functions of teams we support. Our team’s dedicated ML product engineers enable us to move to production fast, often shipping to beta in weeks after a successful offline test. We are very passionate about applying machine learning technology, and have productized everything from classic supervised models, to cutting-edge unsupervised clustering algorithms, to novel applications of transformer neural networks. We test and measure the real customer impact of each model we deploy. What will I be doing? Identify areas where ML can create value for our customers Identify the right ML framing of product problems Working with teammates and Product and Design stakeholders Conduct exploratory data analysis and research Deeply understand the problem area Research and identify the right algorithms and tools Being pragmatic, but innovating right to the cutting-edge when needed Perform offline evaluation to gather evidence an algorithm will work Work with engineers to bring prototypes to production Plan, measure & socialize learnings to inform iteration Partner deeply with the rest of team, and others, to build excellent ML products What skills might I need? Broad applied machine learning knowledge 3-5 years applied ML experience Practical stats knowledge (experiment design, dealing with confounding etc) Intermediate programming skills Strong communication skills, both within engineering teams and across disciplines. Comfort with ambiguity Typically have advanced education in ML or related field (e.g. MSc) Scientific thinking skills Bonus skills & attributes Track record shipping ML products PhD or other experience in a research environment Deep experience in an applicable ML area. E.g. NLP, Deep learning, Bayesian methods, Reinforcement learning, clustering Strong stats or math background Visualization, data skills, SQL, matplotlib, etc. Benefits Competitive salary and equity in a fast-growing start-up We serve lunch every weekday, plus a variety of snack foods and a fully stocked kitchen Regular compensation reviews - we reward great work! Pension scheme & match up to 4% Peace of mind with life assurance, as well as comprehensive health and dental insurance for you and your dependents Flexible paid time off policy Paid maternity leave, as well as 6 weeks paternity leave for fathers, to let you spend valuable time with your loved ones If you’re cycling, we’ve got you covered on the Cycle-to-Work Scheme. With secure bike storage too MacBooks are our standard, but we’re happy to get you whatever equipment helps you get your job done Relocation support for those moving to our offices Policies Intercom has a hybrid working policy. We believe that working in person helps us stay connected, collaborate easier and create a great culture while still providing flexibility to work from home. We expect employees to be in the office at least three days per week. We have a radically open and accepting culture at Intercom. We avoid spending time on divisive subjects to foster a safe and cohesive work environment for everyone. As an organization, our policy is to not advocate on behalf of the company or our employees on any social or political topics out of our internal or external communications. We respect personal opinion and expression on these topics on personal social platforms on personal time, and do not challenge or confront anyone for their views on non-work related topics. Our goal is to focus on doing incredible work to achieve our goals and unite the company through our core values. Intercom values diversity and is committed to a policy of Equal Employment Opportunity. Intercom will not discriminate against an applicant or employee on the basis of race, color, religion, creed, national origin, ancestry, sex, gender, age, physical or mental disability, veteran or military status, genetic information, sexual orientation, gender identity, gender expression, marital status, or any other legally recognized protected basis under federal, state, or local law. #J-18808-Ljbffr

A global financial services firm based in Dublin is seeking an experienced Vice President to join their Client Experience Platform team with a focus on Private and Real Assets. This leadership position is crucial for implementing digital workflow solutions to enhance clients' web experiences on the CitcoOne platform. The ideal candidate will transform traditional client interactions into user-friendly digital experiences while collaborating with team members to elevate client satisfaction. This is a senior role reporting to the Senior Vice President of Client Experience Platform. #J-18808-Ljbffr

We’re hiring a Head of IT to own and scale our internal IT, cyber security, and compliance foundations as we grow. This is a hands‑on leadership role in a deep‑tech engineering environment: you’ll build a secure, reliable, and well‑governed IT stack that supports fast iteration, high‑performance compute needs, and a mixed estate of cloud + on‑prem + lab/engineering infrastructure. You’ll define the operating model, implement security controls and processes, manage key vendors/MSSPs, and lead incident response—while keeping the company productive and moving quickly. Build and execute a scalable IT & security roadmap aligned to company growth, product, and engineering needs. Own the company’s cybersecurity program: policies, controls, risk register, and continuous improvement. Implement and manage identity and access management (SSO, MFA, RBAC, joiner/mover/leaver) across all systems. Establish endpoint, network, and cloud security standards (EDR, patching, encryption, vulnerability management, logging). Lead security incident response planning, tabletop exercises, playbooks, and post‑incident remediation. Define and run IT service management (ticketing, SLAs, asset lifecycle, procurement, device standards, knowledge base). Own business continuity / disaster recovery and backup strategy (including recovery testing and auditability). Partner with Engineering/IT stakeholders on secure lab/engineering environments (segmented networks, data handling, tool access). Manage third‑party risk and vendor relationships (MSP/MSSP, SaaS, hardware suppliers), including security reviews and contracts. Support audits and customer/partner due diligence (e.g., ISO 27001/SOC 2 readiness), ensuring evidence collection and control ownership. Experience and Qualifications 7+ years in IT / infrastructure / security roles, with ownership of IT operations in a scaling environment (startup/scale‑up preferred). Demonstrated experience standing up security processes from scratch (policies, controls, governance) in a fast‑moving org. Strong working knowledge of cloud platforms (AWS/Azure/GCP) and modern SaaS ecosystems, with security‑by‑design mindset. Hands‑on capability across identity (SSO/MFA), endpoint management, networking, and security tooling (EDR, SIEM/logging). Experience operating in engineering‑heavy environments (R&D, hardware, lab systems, HPC/compute, mixed OS/toolchains). Proven ability to drive risk‑based decision making and communicate trade‑offs clearly to execs and technical teams. Track record managing vendors/outsourcers/MSP/MSSP and holding them accountable to measurable outcomes. Familiarity with security frameworks (ISO 27001, SOC 2, NIST/CSF, CIS Controls) and audit/evidence practices. Experience with compliance and data protection expectations (e.g., GDPR), and building pragmatic controls without slowing teams down. Leadership experience (direct or matrix) with the ability to coach, prioritize, and scale IT support as headcount grows. If you are a highly motivated and experienced Head of IT looking for a new, challenging and very rewarding role, we encourage you to apply for this exciting opportunity. At Equal1, you’ll be at the forefront of quantum computing innovation—working alongside world‑class scientists and engineers to shape the future of this transformative technology. Your work will have real impact, contributing to groundbreaking research and the advancement of unified quantum‑classical computing. You’ll thrive in a fast‑paced, collaborative startup environment that values curiosity, creativity, and continuous learning. With opportunities to engage in cutting‑edge projects, partner globally across academia and industry, and grow both personally and professionally, Equal1 offers a uniquely rewarding place to do meaningful, world‑changing work. #J-18808-Ljbffr

Senior Software Engineer - Customer Experience Platform Apply for the Senior Software Engineer - Customer Experience Platform role at Hopper . About The Team The Customer Experience (CX) Product team owns the entire post-booking journey, from the moment a trip is booked through changes, disruptions, refunds, and customer support interactions. We build and operate the systems that enable fast, high-quality support at scale, including: Customer self-serve experiences within the Hopper app and partner-integrated flows Internal agent platforms that enable efficient, high-quality human resolution HTS Assist, Hopper’s flagship agentic AI platform, used internally and offered as a B2B solution for global travel partners Together, these platforms support millions of travelers across chat, voice, web, and third‑party channels, powering seamless post-booking experiences worldwide. About The Job As a Software Engineer on the CX Platform team, you will design, build, and evolve the core systems behind Hopper’s post‑booking experience. Your work will directly impact customers, internal support agents, and the continued expansion of HTS Assist across AI‑driven voice and chat. You’ll collaborate closely with Product, Design, AI, Data, and Operations partners to deliver intelligent, scalable customer service systems, including conversational AI workflows, self‑service customer journeys, internal tools used by thousands of agents, and infrastructure that enables partner‑specific experiences. You’ll report to a Senior Engineering Manager and work alongside engineers focused on platform services, integrations, AI orchestration, and self‑service UX. What Would Your Day‑to‑Day Look Like Design, build, and improve the backend and/or full‑stack systems that power HTS Assist, internal agent tools, and customer self‑serve flows. Develop scalable APIs, microservices, and orchestration logic that support complex post‑booking journeys across AI, chat, voice, and web. Partner with product, design, AI, and operations teams to deliver features that streamline customer experiences and enhance agent efficiency. Integrate with external systems, such as telephony, CRM, identity, or booking platforms, to support both internal use cases and partner deployments. Own features end‑to‑end, from technical design through implementation, testing, deployment, monitoring, and iteration. Contribute to architectural decisions, code reviews, reliability improvements, and ongoing enhancements to engineering best practices. Analyze system performance and user behavior to identify opportunities for automation, optimization, and cost reduction. Minimum Qualifications 3+ years of experience in software engineering, ideally building large‑scale distributed systems or customer‑facing applications. A strong technical background with modern frontend and backend development, distributed systems, APIs, and cloud infrastructure. Experience designing, building, and maintaining RESTful APIs, microservices, or event‑driven systems. Experience with databases (PostgreSQL, MySQL, NoSQL) and cloud platforms (AWS, GCP, or similar). Ability to break down complex problems, make pragmatic tradeoffs, and ship iteratively. Strong communication skills and comfort collaborating with cross‑functional teams. Preferred Qualifications Experience with conversational AI, LLM orchestration, or automation systems. Experience building customer service, CRM, telephony, contact center, or workflow automation tools. Familiarity with React, TypeScript, or modern frontend frameworks for engineers who want to contribute full‑stack. Experience integrating with external systems (e.g., telephony APIs, identity providers, payment gateways, CRMs). Knowledge of travel industry technologies (PSS/GDS, hotel PMS/CRS) is a plus, though not required. #J-18808-Ljbffr

FS Technology Consulting - Technical Delivery Lead -Banking & Credit - Manager/Snr Manager - Dublin Location: Dublin 2 At EY, we’re all in to shape your future with confidence. We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help to build a better working world. FS Technology Consulting -Technical Delivery Lead – Banking & Credit – Manager / Senior Manager - Dublin General Information Location: Dublin Available for VISA Sponsorship: Yes Business Area: Platforms Contract Type: Full Time - Permanent In EY FS Ireland, we are expanding our Consulting practice and building our Technology Consulting team as a key component of our NextWave Strategy. NextWave is EY’s global strategy and ambition to deliver long-term value to clients, people and society. It is inspired by the way innovations spread through society. We are actively recruiting high achieving individuals with Project Management expertise on technology-enabled transformation projects/programmes within Financial Services. When you join EY FS Ireland, you will be working with the best people on the most complex financial service issues, helping to shape the future of financial services. By joining the Technology Consulting team, you will work in high-performing teams that deliver exceptional client service, enabling organizations to grow, innovate, protect, and optimise their business performance – playing your part in building a better working world. Your Key Responsibilities: Lead the technical delivery of banking projects from inception to completion, ensuring they are delivered on time with high quality standards. Collaborate with solution architects, product owners, engineering and test leads to drive delivery. Ensure the successful completion of all major activities, tasks and deliverables pertaining to the requirement analysis and mapping stage. Develop and maintain a detailed project plans and track progress and manage changes in project scope, schedule, and costs. Oversee the implementation, development and testing of Credit and / or Core Banking systems. Stay abreast of the latest Banking industry trends to drive innovation within the company. Mentor and support team members, fostering a culture of continuous learning and development. Assist clients in leading discussions with various Banking vendors on transformation projects. Skills and Attributes for Success To qualify for the role, you must have: 8+ years of strong experience in technical project management, with a focus on banking systems. Strong experience in stakeholder management. Have knowledge and proven experience of working with IT Software Development Lifecycle methodologies (SDLC) majoring in Agile (Scrum / Kanban). Have ability to build and manage relationships across business and technology stakeholders. Strong understanding of banking applications and architecture and industry regulations. Good understanding of Credit or Core Banking systems. Proven track record of delivering complex technical projects end to end on time and within budget. Excellent leadership, communication, and interpersonal skills. Experience in delivering business value from technology as well as communicating the value to senior business stakeholders. Experience working in banks across multiple product domains (e.g., Retail, Corporate, SME, Treasury). Ability to work effectively in a fast-paced, agile environment. Experience with various project management tools and methodologies. Proven self-motivation to take initiative and master new tasks quickly. Demonstrated ability to work under pressure to meet tight deadlines and approach work methodically with attention to detail. Have a strong academic record including a third level degree, preferably in IT or relevant field. Having worked in the consulting industry is advantageous. What we look for Someone who is passionate about reaching their full potential and excelling in their career. Someone with energy, enthusiasm and courage who enjoys solving complex problems and variety in their day-to-day working life. Someone who enjoys working as part of a community which values integrity, respect, teaming, and inclusiveness. What working at EY offers Support and coaching from some of the most engaging colleagues around. Opportunities to develop new skills and progress your career. The freedom and flexibility to handle your role in a way that’s right for you. We offer a competitive remuneration package. Our comprehensive Total Rewards package includes support for flexible working and career development, and with FlexEY you can select benefits that suit your needs, covering holidays, health and well-being, insurance, savings and a wide range of discounts, offers and promotions. About EY As a global leader in assurance, tax, transaction, and advisory services, we are using the finance products, expertise, and systems we have developed to build a better working world. Inclusion & Diversity We hold a collective commitment to foster an environment where all differences are valued and respected, practices are equitable and everyone experiences a sense of belonging: Inclusion, diversity, and equity are part of who we are at EY. We recognise the strength that comes from having a diverse workforce and building a culture where we support all our people to achieve their potential. As an equal opportunities’ employer, we welcome applications from people of all backgrounds. Reasonable accommodations are offered at every stage of our recruitment process. EEO Statement EY is committed to being an inclusive employer and we are happy to consider flexible working arrangements. #J-18808-Ljbffr

An established industry player is seeking a Senior Software Engineer to join their dynamic team. This role involves developing cutting-edge APIs and scalable analytics solutions that empower major global players in the financial sector. You'll have the opportunity to work on innovative technologies like prediction-as-a-service and real-time analytics, collaborating with talented professionals from various fields. If you're passionate about building impactful solutions and thrive in fast-paced environments, this position offers an exciting chance to contribute to meaningful projects that redefine data-driven decision-making. #J-18808-Ljbffr

A financial infrastructure platform is seeking a Solutions Architect in Dublin. The role involves engaging with enterprise users, leading technical discussions, and crafting solutions to enhance user engagement. Candidates should have 4 years of experience in technical roles, including pre-sales. Strong technical knowledge and the ability to code are essential. The position offers a competitive salary ranging from €86,400 to €129,600, along with potential equity and bonuses. #J-18808-Ljbffr