We’re looking for a seasoned Senior Developer (10 years experience) who thrives in architecting scalable systems and leading by example. You’ll work across microservices hosted in AWS contributing to both technical delivery and the strategic direction of our technology stack. You’ll be a polyglot engineer confident in JavaScript/TypeScript but adaptable to other technologies as needed.
* Plan lead and actively contribute to the development of web/mobile applications in an agile environment
* Operate with a high degree of independence making informed decisions and knowing when to seek input or elevate issues.
* Take full ownership of project delivery from design to production ensuring quality, security and maintainability.
* Demonstrate a strong sense of accountability for the systems you build and influence.
* Alongside other senior members of the team contribute to the strategy and architectural decisions that support the growth of the services we offer to our members and clients
* Collaborate with product managers, architects, data engineers and business stakeholders to align technical solutions with business goals.
* Take ownership of understanding the whole system and take responsibility for knowledge sharing across the team.
* Provide technical support and mentoring to junior team members
* Continuously improve system robustness, performance and security.
Qualifications
* Extensive experience in full stack JavaScript/TypeScript development utilising
* Strong experience with front-end web development technologies such as ReactJS, VueJS, Angular
* Experience of mobile app development using ReactNative
* Deep understanding of security, scalability and non‑functional testing.
* Keeps informed of the latest technologies and can introduce them into existing systems when appropriate
* Experience designing and developing applications utilising databases such as Postgres, MS SQL Server
* Experience supporting and mentoring junior developers with technical queries and best practice
* Skilled in AWS (ECS, Lambda, API Gateway, S3, etc.) or similar cloud environments.
* Excellent communication skills
* Self‑motiv and delivery focussed
* Strong understanding of Agile process
Desirable
* Experience working with ReactJS component libraries
* Experience building out CI/CD frameworks and build pipelines
* Experience using IaC tools such as Terraform or CDK
* Experience working
* Experience building ELT data pipelines
* Experience building AI tools and leveraging LLMs
Work Location
* Hybrid work environment. 1–2 days a month in office
* Located in Milton Park just south of Oxford and close to Didcot Parkway
Additional Information
Employee Benefits
* 25 days annual leave
* Participation in a company bonus scheme linked to personal and company performance
* Group Life Cover 4× salary
* Pension 4%/4% employee/employer contributions
* Vitality after probation
* Staff discount scheme
* Discounted gym membership
About M3 EU
M3 EU is at the forefront of healthcare innovation offering digital solutions across healthcare, life sciences, pharmaceuticals and more. Since our inception in 2000 we’ve seen remarkable growth fuelled by our mission to utilize the internet for a healthier world and more efficient healthcare systems.
Our success is anchored in our trusted digital platforms that engage physician communities globally, facilitating impactful medical education, precise job placement and insightful market research. M3 EU prides itself on a dynamic and innovative environment where every team member contributes to global health advancements.
Joining M3 EU means being part of a dedicated team striving to make a significant difference in healthcare. We provide a unique opportunity for you to be at the cutting edge of healthcare innovation shaping the future in a meaningful career. Embrace the chance to drive change with M3 EU.
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Remote Work
Yes
Employment Type
Full‑time
Key Skills
* Spring
* .NET
* C/C++
* Go
* React
* OOP
* C#
* AWS
* Data Structures
* Software Development
* Java
* Distributed Systems
Experience: years
Vacancy: 1
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