Software Engineer

Mercer is investing in a major, multi-year project to integrate a new centralized trading platform and modernize core systems using advanced, cloud-based technologies. As part of the Software Engineering team, you'll collaborate with colleagues across Europe to develop robust, scalable solutions for trading and portfolio management, working directly with business stakeholders and contributing to a dynamic, innovative technology environment. This is a unique opportunity to make a significant impact and grow your skills in a forward-thinking company.

We will count on you to:

• Deliver complete software solutions using best practices to ensure performance and reliability.
• Work directly with business stakeholders to understand requirements and translate them into compatible software solutions.
• Develop a strong understanding of financial markets to engage effectively with business partners.
• Collaborate with DataOps, DevOps, and infrastructure teams to ensure projects use the most appropriate technologies.
• Participate in production support, including monitoring and managing applications, APIs, overnight batches, and data feeds.
• Stay current with emerging technologies and bring innovative ideas to the team.
• Represent the firm's engineering brand through industry engagement (meetups, conferences, blogging, open source).
• Contribute to a culture of learning and knowledge sharing within the team.

What you need to have:

• Minimum 2 years of relevant industry experience.
• Strong Python skills, with production experience in building API services and microservices.
• Experience with SQL and NoSQL databases; ability to write performant queries.
• Ability to troubleshoot production issues and implement long-term fixes.
• Familiarity with event-driven architectures (or a strong desire to learn).
• Experience with Big Data technologies (Hive, Apache Nifi, Apache Airflow) is a plus, but not required.
• Willingness to learn and support C#/.NET applications as needed, with new development focused on Python.

What Makes You Stand Out:

• Curiosity and a drive to investigate and solve problems, including exploring unfamiliar technologies.
• Strong communication skills, with the ability to work effectively in a team and with business stakeholders.
• Ability to work autonomously and know when to seek assistance.
• Experience mentoring junior engineers.
• Motivation to learn and grow in the role.
• Enjoyment of varied work and collaboration with broader engineering and business teams.
• Proven ownership of tasks and ability to drive them to completion.
• Energetic, enthusiastic, and self-driven work ethic.
• Clear, concise verbal and written communication skills.
• Pragmatic approach to problem-solving and flexibility to adapt to changing requirements.

Why join our team:

• 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 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.
• An opportunity to work in a fast-growing, innovative company with lots of room for progression and career growth;
• A fail-friendly environment that encourages learning and initiative;
• A yearly budget and the opportunity to build your flexible benefits package (up to 20% of your annual salary);
• 30+ days off (25 legal days off , 1 extra day off on your birthday, public holiday replacement days, extra buy/sell from your benefits budget);
• Performance Bonus scheme
• Matching charity contributions, charity days off, and the Pay it Forward charity challenge;
• Core benefits - Pension, Life and Medical Insurance, Meal Vouchers, Travel Insurance;
• We champion flexible working, and our mission is to help you find YOUR work-life balance, whether that's standard working, flex-time working, or working from home

Marsh McLennan (NYSE: MMC) is a global leader in risk, strategy and people, advising clients in 130 countries across four businesses: Marsh, Guy Carpenter, Mercer and Oliver Wyman. With annual revenue of $24 billion and more than 90,000 colleagues, Marsh McLennan helps build the confidence to thrive through the power of perspective. For more information, visit , or follow on LinkedIn and X.

Marsh McLennan is committed to creating 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, or any other characteristic protected by applicable law.

Marsh McLennan 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 McLennan 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.

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