Posted 23 June, 2026
Senior Applications Developer
Marsh McLennan
Dublin, Dublin, Ireland
Full Time
Reference: 1281578012
Company:
Marsh
Description:
Senior Engineer - API and Java
Company: Marsh
Description:
Marsh is the world's leading insurance broker and risk advisor, helping organizations manage complex risks and protect people, assets, and reputations. The Innovation Centre in Dublin, Ireland has been established to capitalize on deep technical expertise, global scale, and advanced data & analytics, to enable Marsh to deliver tailored solutions and collaborative service.
We are currently seeking an exceptional Senior Engineer to join our Business and Client Services Delivery team and provide technical hands-on, delivery oriented, innovative software solutions.
What can you expect?
We will count on you to:
• Provide technical hands-on expertise to the distributed technology teams building and maintaining APIs, Node and Java apps.
• Design platforms, core software components, and enterprise-wide applications.
• Be a change agent with technology development using cloud-native architecture patterns in a distributed environment.
• Collaborate with other Marsh teams on new and existing product development opportunities.
• Continuously learn about new technologies and help keep the entire group stay abreast of industry developments and evolving best practices, including embracing AI tools.
• Help define and ensure adherence to technology standards, agreed architecture, and engineering best practices, across the platform and implementation teams.
• Work with senior business and technology stakeholders across the world to translate business needs into technical solutions that drive value.
What you need to have:
• 8+ years of commercial experience with a proven track record of successfully delivering global and highly scalable customer-facing digital products and capabilities.
• Understanding of design patterns and applicability to use cases.
• Core Java development experience, familiar with Java 8 and higher.
• Hands-on experience in Java development and skills with the Spring boot framework.
• Practical experience of NestJS / NodeJS or similar stack.
• Experience with event-driven, asynchronous and reactive programming patterns.
• Experience in Microservices design and best practices.
• Hands on proficiency in Relational database, Postgres in specific, and NoSQL databases such as MongoDB.
• Experience with AWS product stack, SQS, SNS, Redis etc.
• Knowledge of code quality parameters and GIT branching concepts.
• Experience with API Gateways such as Apigee.
• Experience writing test cases, understands static code analysis, code coverage etc.
• Experience with observability tools for managing distributed services and in SaaS platform operational analytics, including insights on user activity and other relevant metrics.
• Understanding of Security and Identity Management processes, best practices, and technologies - experience with OIDC, OAuth2 and Okta is advantageous.
• DevOps knowledge, including CI/CD tooling, automated testing, microservice release management and associated best practices.
What makes you stand out:
• You're a technical expert with personal curiosity for technology, trends and standards - someone that other engineers want to work with.
• Great communication and interpersonal skills, comfortable working in a distributed environment, with an ability to form great working relationships across teams, locations, and time zones.
• As a Back-end Developer you will be part of highly technical team tasked to deliver various features on R&D automation platform using latest tech stack.
What you will be rewarded with:
• We help you be your best through professional development opportunities, interesting work, and supportive leaders.
• We foster a vibrant and inclusive culture where you can work with talented colleagues to create new solutions and have an impact for colleagues, clients, and communities.
• Our scale enables us to provide a range of career opportunities, as well as benefits and rewards to enhance your well-being.
Research shows that while men apply to jobs when they meet an average of 60% of the criteria, women and other less represented groups tend to only apply when they check every box. So if you think you have what it takes, but don't necessarily meet every single point on what is needed, please still get in touch.
#MMCIC
Marsh (NYSE: MRSH) is a global leader in risk, reinsurance and capital, people and investments, and management consulting, advising clients in 130 countries. With annual revenue of over $24 billion and more than 90,000 colleagues, Marsh helps build the confidence to thrive through the power of perspective. For more information, visit corporate.marsh.com, or follow us on LinkedIn and X.
Marsh is committed to embracing a diverse, inclusive and flexible work environment. We aim to attract and retain the best people and embrace diversity of age, background, disability, ethnic origin, family duties, gender orientation or expression, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, Traveller community, or any other characteristic protected by applicable law. We are an equal opportunities employer. We are committed to providing reasonable support to any candidate with a disability/health condition to allow them to fully participate in the recruitment process. We welcome candidates to contact us at [email protected] to discuss any specific needs.
Marsh is committed to hybrid work, which includes the flexibility of working remotely and the collaboration, connections and professional development benefits of working together in the office. All Marsh colleagues are expected to be in their local office or working onsite with clients at least three days per week. Office-based teams will identify at least one "anchor day" per week on which their full team will be together in person.
Marsh (NYSE: MRSH) is a global leader in risk, reinsurance and capital, people and investments, and management consulting, advising clients in 130 countries. With annual revenue of over $27 billion and more than 95,000 colleagues, Marsh helps build the confidence to thrive through the power of perspective. For more information, visit corporate.marsh.com, or follow us on LinkedIn and X.
Marsh is committed to embracing a diverse, inclusive and flexible work environment. We aim to attract and retain the best people and embrace diversity of age, background, disability, ethnic origin, family duties, gender orientation or expression, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, Traveller community, or any other characteristic protected by applicable law. We are an equal opportunities employer. We are committed to providing reasonable support to any candidate with a disability/health condition to allow them to fully participate in the recruitment process. We welcome candidates to contact us at [email protected] to discuss any specific needs.
Marsh is committed to hybrid work, which includes the flexibility of working remotely and the collaboration, connections and professional development benefits of working together in the office. All Marsh colleagues are expected to be in their local office or working onsite with clients at least three days per week. Office-based teams will identify at least one "anchor day" per week on which their full team will be together in person.
Marsh
Description:
Senior Engineer - API and Java
Company: Marsh
Description:
Marsh is the world's leading insurance broker and risk advisor, helping organizations manage complex risks and protect people, assets, and reputations. The Innovation Centre in Dublin, Ireland has been established to capitalize on deep technical expertise, global scale, and advanced data & analytics, to enable Marsh to deliver tailored solutions and collaborative service.
We are currently seeking an exceptional Senior Engineer to join our Business and Client Services Delivery team and provide technical hands-on, delivery oriented, innovative software solutions.
What can you expect?
- To help shape our critical technology initiative.
- The chance to work with senior engineers around the world, to deliver a large-scale Platform that will transform our business.
- To be part of our exciting, strategic R&D tech hub that delivers industry-leading digital solutions for clients and colleagues.
- Use AI tools to support design ideation, workflows, and expedite solutions and delivery.
We will count on you to:
• Provide technical hands-on expertise to the distributed technology teams building and maintaining APIs, Node and Java apps.
• Design platforms, core software components, and enterprise-wide applications.
• Be a change agent with technology development using cloud-native architecture patterns in a distributed environment.
• Collaborate with other Marsh teams on new and existing product development opportunities.
• Continuously learn about new technologies and help keep the entire group stay abreast of industry developments and evolving best practices, including embracing AI tools.
• Help define and ensure adherence to technology standards, agreed architecture, and engineering best practices, across the platform and implementation teams.
• Work with senior business and technology stakeholders across the world to translate business needs into technical solutions that drive value.
What you need to have:
• 8+ years of commercial experience with a proven track record of successfully delivering global and highly scalable customer-facing digital products and capabilities.
• Understanding of design patterns and applicability to use cases.
• Core Java development experience, familiar with Java 8 and higher.
• Hands-on experience in Java development and skills with the Spring boot framework.
• Practical experience of NestJS / NodeJS or similar stack.
• Experience with event-driven, asynchronous and reactive programming patterns.
• Experience in Microservices design and best practices.
• Hands on proficiency in Relational database, Postgres in specific, and NoSQL databases such as MongoDB.
• Experience with AWS product stack, SQS, SNS, Redis etc.
• Knowledge of code quality parameters and GIT branching concepts.
• Experience with API Gateways such as Apigee.
• Experience writing test cases, understands static code analysis, code coverage etc.
• Experience with observability tools for managing distributed services and in SaaS platform operational analytics, including insights on user activity and other relevant metrics.
• Understanding of Security and Identity Management processes, best practices, and technologies - experience with OIDC, OAuth2 and Okta is advantageous.
• DevOps knowledge, including CI/CD tooling, automated testing, microservice release management and associated best practices.
What makes you stand out:
• You're a technical expert with personal curiosity for technology, trends and standards - someone that other engineers want to work with.
• Great communication and interpersonal skills, comfortable working in a distributed environment, with an ability to form great working relationships across teams, locations, and time zones.
• As a Back-end Developer you will be part of highly technical team tasked to deliver various features on R&D automation platform using latest tech stack.
What you will be rewarded with:
• We help you be your best through professional development opportunities, interesting work, and supportive leaders.
• We foster a vibrant and inclusive culture where you can work with talented colleagues to create new solutions and have an impact for colleagues, clients, and communities.
• Our scale enables us to provide a range of career opportunities, as well as benefits and rewards to enhance your well-being.
Research shows that while men apply to jobs when they meet an average of 60% of the criteria, women and other less represented groups tend to only apply when they check every box. So if you think you have what it takes, but don't necessarily meet every single point on what is needed, please still get in touch.
#MMCIC
Marsh (NYSE: MRSH) is a global leader in risk, reinsurance and capital, people and investments, and management consulting, advising clients in 130 countries. With annual revenue of over $24 billion and more than 90,000 colleagues, Marsh helps build the confidence to thrive through the power of perspective. For more information, visit corporate.marsh.com, or follow us on LinkedIn and X.
Marsh is committed to embracing a diverse, inclusive and flexible work environment. We aim to attract and retain the best people and embrace diversity of age, background, disability, ethnic origin, family duties, gender orientation or expression, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, Traveller community, or any other characteristic protected by applicable law. We are an equal opportunities employer. We are committed to providing reasonable support to any candidate with a disability/health condition to allow them to fully participate in the recruitment process. We welcome candidates to contact us at [email protected] to discuss any specific needs.
Marsh is committed to hybrid work, which includes the flexibility of working remotely and the collaboration, connections and professional development benefits of working together in the office. All Marsh colleagues are expected to be in their local office or working onsite with clients at least three days per week. Office-based teams will identify at least one "anchor day" per week on which their full team will be together in person.
Marsh (NYSE: MRSH) is a global leader in risk, reinsurance and capital, people and investments, and management consulting, advising clients in 130 countries. With annual revenue of over $27 billion and more than 95,000 colleagues, Marsh helps build the confidence to thrive through the power of perspective. For more information, visit corporate.marsh.com, or follow us on LinkedIn and X.
Marsh is committed to embracing a diverse, inclusive and flexible work environment. We aim to attract and retain the best people and embrace diversity of age, background, disability, ethnic origin, family duties, gender orientation or expression, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, Traveller community, or any other characteristic protected by applicable law. We are an equal opportunities employer. We are committed to providing reasonable support to any candidate with a disability/health condition to allow them to fully participate in the recruitment process. We welcome candidates to contact us at [email protected] to discuss any specific needs.
Marsh is committed to hybrid work, which includes the flexibility of working remotely and the collaboration, connections and professional development benefits of working together in the office. All Marsh colleagues are expected to be in their local office or working onsite with clients at least three days per week. Office-based teams will identify at least one "anchor day" per week on which their full team will be together in person.
