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13 front end developer jobs found

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ION Group
Full time
 
Senior Software Engineering Manager
ION Group London, UK
Lab49 is an award-winning specialist consultancy that  creates bespoke technology  in partnership with the most important companies in finance.  We were founded in 2002 to bring Silicon Valley solutions to Wall Street’s door. Since then, we have worked on successive waves of technological change, including distributed computing, high-speed automation, enterprise UX and digital distribution (for which Lab49 was among the first significant practices established on Wall Street), DevOps, cloud and data science.     Today, we are an established partner in financial markets, having delivered hundreds of projects for clients including all the world’s tier-one investment banks and many of the largest buy-side firms globally.    Being part of Lab49 means bringing your drive and creativity into an environment where your contributions will make immediate impact. Engineers will work in cross functional teams, consulting directly with our clients, shaping not only technical solutions to...

Nov 22, 2025
ION Group
Full time
 
Lead C#/.NET Developer, Boston
ION Group Boston, MA, USA
As a Lead C#/.NET Developer at Lab49, you’ll play a key role in designing and building modern, service-oriented applications that power the world’s leading financial institutions. You’ll work across the full stack - from robust backend services built with cutting-edge C# to sleek, high-performance front-end interfaces using modern web technologies and frameworks. This is a hands-on, impactful role where you’ll collaborate with cross-functional teams to deliver innovative, scalable solutions that make a real difference in global financial markets.   What You'll Do Design and build high-performance, testable C#/.NET microservices leveraging the latest in cloud, containerization, and messaging technologies. Collaborate on software architecture and technical design decisions that shape scalable, enterprise-grade financial solutions. Contribute as part of an Agile/Scrum team, translating user stories into clean, maintainable code and delivering working software each...

Dec 15, 2025
ION Group
Full time
 
Senior Web UI Developer (React), Mexico City
ION Group Mexico City, CDMX, Mexico
Lab49 is an award winning specialist consultancy that creates bespoke technology in partnership with the most important companies in finance.   We were founded in 2002 to bring Silicon Valley solutions to Wall Street’s door. Since then, we have worked on successive waves of technological change, including distributed computing, high-speed automation, enterprise UX and digital distribution (for which Lab49 was among the first significant practices established on Wall Street), DevOps, cloud and data science.   Today, we are an established partner in financial markets, having delivered hundreds of projects for clients including all the world’s tier-one investment banks and many of the largest buy-side firms globally.  Being part of Lab49 means bringing your drive and creativity into an environment where your contributions will make immediate impact. Engineers work in cross functional teams, consulting directly with our clients, shaping not only technical solutions...

Nov 22, 2025
ION Group
Full time
 
Senior C#/.NET Consultant, Budapest
ION Group Budapest, Hungary
The Role  LAB49 is currently seeking an experienced C#/.NET Developer with a primary focus on back-end development. This is a unique opportunity to elevate your career with an unparalleled experience in one of the world's most dynamic business hubs.    As a Senior C#/.NET Developer at LAB49, you will be at the forefront of driving transformative change for our esteemed Financial Services clients. Operating within an Agile environment, you will tackle complex and challenging projects, leveraging your robust experience to design and construct the next generation of technology solutions.        RESPONSIBILITIES: Design and create software solutions using mainly C#/.NET. Be passionate about high code quality, scalability, reliability and security. Building, deploying and maintaining applications, microservices and data pipelines on various platforms. Create APIs to integrate with front-end and other third-party applications. Work with our clients in...

Nov 22, 2025
ION Group
Full time
 
Senior Java Consultant, Budapest
ION Group Budapest, Hungary
Lab49 has an opportunity available for a Senior Java Developer to lead work on complex and challenging projects to drive transformative change for our top- tier Financial Services clients. Operating in an Agile environment, the Java Developer will have strong server-side experience to work on next- generation financial systems.   Responsibilities Build distributed systems that deal with actor-based concurrency, reactive programming, distributed in-memory data grids, messaging that goes beyond plain JMS as we fully expect to participate in shaping the future of financial technology stacks Work on server side JVM-based projects Hit the ground running with the typical Java or Scala JVM ecosystem stack (Spring and its subprojects, Guice, Guava, Maven, Hibernate, Jetty, etc.) Retool continuously as the technology landscape changes every few years Be able to pick up other technologies along the whole development stack, including front-end and other non-JVM ecosystems...

Nov 22, 2025
ION Group
Full time
 
Principal .NET Developer, New York
ION Group New York, NY, USA
Lab49 seeking an experienced Principal .NET Developer with a primary focus in back-end technologies such as   C#/.NET. This is a unique opportunity to elevate your career and gain unparalleled experience in one of the world's most dynamic business hubs.    As a Principal .NET Developer at Lab49, you will be at the forefront of driving transformative change for our esteemed Financial Services clients. Operating within an Agile environment, you will tackle complex and challenging projects, leveraging your robust experience in front-end frameworks to design and construct the next generation of technology solutions.    Required Skills and Experience: 10+ years of commercial-grade web development experience.    5+ years of solid hands-on experience in either functional coding in .NET development.  Collaborate with designers and other partners to provide input on design & wireframing.    Experience with Agile development methodologies.    Experience in...

Nov 22, 2025
ION Group
Full time
 
Senior Web UI Consultant (React), Budapest
ION Group Budapest, Hungary
Lab49 is an award winning specialist consultancy that creates bespoke technology in partnership with the most important companies in finance. We were founded in 2002 to bring Silicon Valley solutions to Wall Street’s door. Since then, we have worked on successive waves of technological change, including distributed computing, high-speed automation, enterprise UX and digital distribution (for which Lab49 was among the first significant practices established on Wall Street), DevOps, cloud and data science. Today, we are an established partner in financial markets, having delivered hundreds of projects for clients including all the world’s tier-one investment banks and many of the largest buy-side firms globally. Being part of Lab49 means bringing your drive and creativity into an environment where your contributions will make immediate impact. Engineers will work in cross functional teams, consulting directly with our clients, shaping not only technical solutions to...

Nov 22, 2025
ION Group
Full time
 
Senior Web UI Developer (Angular), Budapest
ION Group Budapest, Hungary
Lab49 is an award winning specialist consultancy that creates bespoke technology in partnership with the most important companies in finance. We were founded in 2002 to bring Silicon Valley solutions to Wall Street’s door. Since then, we have worked on successive waves of technological change, including distributed computing, high-speed automation, enterprise UX and digital distribution (for which Lab49 was among the first significant practices established on Wall Street), DevOps, cloud and data science. Today, we are an established partner in financial markets, having delivered hundreds of projects for clients including all the world’s tier-one investment banks and many of the largest buy-side firms globally. Being part of Lab49 means bringing your drive and creativity into an environment where your contributions will make immediate impact. Engineers will work in cross functional teams, consulting directly with our clients, shaping not only technical solutions to...

Nov 22, 2025
ION Group
Full time
 
Tech Lead (Angular), New York
ION Group New York, NY, USA
Lab49 is an award-winning specialist consultancy that creates bespoke technology in partnership with the most important companies in finance.    We were founded in 2002 to bring Silicon Valley solutions to Wall Street’s door. Since then, we have worked on successive waves of technological change, including distributed computing, high-speed automation, enterprise UX and digital distribution (for which Lab49 was among the first significant practices established on Wall Street), DevOps, cloud and data science.    Today, we are an established partner in financial markets, having delivered hundreds of projects for clients including all the world’s tier-one investment banks and many of the largest buy-side firms globally.   Being part of Lab49 means bringing your drive and creativity into an environment where your contributions will make immediate impact. Engineers will work in cross functional teams, consulting directly with our clients, shaping not only technical...

Nov 22, 2025
ION Group
Full time
 
Senior Software Engineer (Workflow)
ION Group Budapest, Hungary
The Role: As a Senior Software Engineer, you will play a crucial role in designing, developing, and maintaining web applications across both front-end and back-end systems. You will be responsible for collaborating with cross-functional teams, developers, product managers to deliver high-quality software solutions. You will be expected to implement best practices in coding, testing, and deployment, ensuring scalability, performance, and security. Strong problem-solving skills, excellent communication, and the ability to adapt to new challenges in a fast-paced environment is essential for this role.   Key Responsibilities: Collaboratively work within your delivery team to continuously deliver quality software to production Develop, test and support production software Perform code reviews Write and execute automated unit and integration tests Apply your experience and knowledge to solve both common and complex issues Exercise significant independent...

Nov 22, 2025
ION Group
Full time
 
Principal Software Engineer (React), Mexico City
ION Group Mexico City, CDMX, Mexico
Lab49  is an award-winning specialist consultancy that  creates bespoke technology  in partnership with the most important companies in finance. We were founded in 2002 to bring Silicon Valley solutions to Wall Street’s door. Since then, we have worked on successive waves of technological change, including distributed computing, high-speed automation, enterprise UX and digital distribution (for which Lab49 was among the first significant practices established on Wall Street), DevOps, cloud and data science. Today, we are an established partner in financial markets, having delivered hundreds of projects for clients including all the world’s tier-one investment banks and many of the largest buy-side firms globally. Being part of Lab49 means bringing your drive and creativity into an environment where your contributions will make immediate impact. Engineers will work in cross functional teams, consulting directly with our clients, shaping not only technical solutions to...

Nov 22, 2025
ION Group
Full time
 
Principal Web UI Developer (React), Budapest
ION Group Budapest, Hungary
Lab49 is an award winning specialist consultancy that  creates bespoke technology  in partnership with the most important companies in finance. We were founded in 2002 to bring Silicon Valley solutions to Wall Street’s door. Since then, we have worked on successive waves of technological change, including distributed computing, high-speed automation, enterprise UX and digital distribution (for which Lab49 was among the first significant practices established on Wall Street), DevOps, cloud and data science. Today, we are an established partner in financial markets, having delivered hundreds of projects for clients including all the world’s tier-one investment banks and many of the largest buy-side firms globally. Being part of Lab49 means bringing your drive and creativity into an environment where your contributions will make immediate impact. Engineers will work in cross functional teams, consulting directly with our clients, shaping not only technical solutions to...

Nov 22, 2025
ION Group
Full time
 
Lead UI Engineer (React), New York
ION Group New York, NY, USA
Lab49 is an award-winning specialist consultancy that  creates bespoke technology  in partnership with the most important companies in finance.    We were founded in 2002 to bring Silicon Valley solutions to Wall Street’s door. Since then, we have worked on successive waves of technological change, including distributed computing, high-speed automation, enterprise UX and digital distribution (for which Lab49 was among the first significant practices established on Wall Street), DevOps, cloud and data science.       Today, we are an established partner in financial markets, having delivered hundreds of projects for clients including all the world’s tier-one investment banks and many of the largest buy-side firms globally.    Being part of Lab49 means bringing your drive and creativity into an environment where your contributions will make immediate impact. Engineers will work in cross functional teams, consulting directly with our clients, shaping not only technical...

Nov 22, 2025
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