Principal Tech Lead (React)
Job Summary
Job Description
Lab49 is seeking a Principal Tech Lead with React expertise to join a key project for a new client in finance. The role involves leading a team of UI engineers, building modern digital products for buy-side research analysts and portfolio managers, and collaborating directly with clients. Responsibilities include leading the design and build of a research portal using modern web and mobile technologies, managing UI engineering teams, designing technical implementations, acting as a hands-on engineer and architect, managing client relationships, contributing to business development by creating pitches, and strengthening the UI engineering community within Lab49. The position requires a strong understanding of industry trends, excellent leadership, problem-solving, and decision-making skills. The company emphasizes close collaboration and expects on-site presence.
Must have:
- 10+ years of software design and development experience
- 5+ years leading Agile teams
- Primary skillset focused on UI & mobile
- Experience in effective leadership and problem-solving
- Experience designing technical solutions and managing integrations
- Experience managing project teams and client interaction in finance/consulting
- Passion for technology and industry trends
- Experience with JavaScript and TypeScript
- Experience with modern frameworks like React
- Experience with cloud platforms and CI/CD practices
- Strong understanding of testing, quality, and code reviews
Good to have:
- Experience in asset management or buy-side firms
- Exposure to research workflows and technology
- Backend engineering experience (e.g., .NET, Java, Python)
- Experience with financial products (e.g., Bloomberg, Symphony)
- Experience with tools like Salesforce, Databricks
Perks:
- Exposure to diverse financial environments, business domains, technologies, and people
- Accelerated career growth
- Opportunities for learning and development as an engineer and consultant
14 skills required
Job Details
Lab49 is an award-winning specialist consultancy thatcreates bespoke technologyin 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 business problems but delivering them into production.
The Principal Tech Lead will play a critical leadership role on a key project for a strategic new Lab49 client. Working in a collaborative cross functional project team, with direct client-facing interactions, you will have an opportunity to lead a team of engineers and build modern digital products for buy side research analysts and portfolio managers. You will report to the Interactive Practice Head, and work shoulder-to-shoulder with Product and UX experts from Lab49. In addition to the Lab49 project team, you will collaborate with client product and engineering stakeholders to guide the build phase of an exciting new initiative.
What you’ll be doing:
- Partnering with our client to lead the design and build of a research portal using modern web and mobile development technology and techniques. You will be responsible for managing a team of UI engineers, and the relationships with other key contributors to deliver great software.
- Design, document, and plan for the technical implementation and delivery of working software into production.
- Act as a hands-on engineer and architect to support ongoing project work. Lead and actively participate in projects, serving as a role model for project teams and collaborating with other practices to ensure successful outcomes.
- Partner with client counterparts and stakeholders to maintain and build relationships, maintaining a commercial approach. Develop strong relationships with clients as a strategic partner and technical advisor, contributing to expanding our footprint and securing follow-on work.
- Partner with the Lab49 business development team to create and deliver compelling pitches, defining problems, captivating clients, presenting solutions, and working out engagement terms. Build and reinforce your professional network through active engagement in industry events and public speaking opportunities.
- Contribute to the Interactive Practice: The UI engineering team within Lab49. This means bringing your passion and opinionated view of what makes for great UI development to the wider UI engineering community within Lab49.
- Assist in developing effective management skills and practices among line managers in the Engineering practice, fostering strategic career planning and development for the engineering team as a whole.
What you should have:
- 10+ years of hands-on experience designing and building complex, commercial-grade software applications, with 5+ years leading Agile teams.
- A primary engineering skillset focused on user interface & mobile.
- Proven track record in effective leadership, problem-solving, and decision-making.
- Experience designing holistic technical solutions, managing integrations with third party services and APIs, and deploying applications into production.
- Experience managing project teams and interacting with clients in finance, consulting, or start-up environments.
- A passion for technology and innovation, staying informed about the latest industry trends through active participation in industry events, meet-ups, and more.
- Experience with JavaScript and TypeScript, with modern frameworks specifically React although experience with similar frameworks is welcome (e.g., Angular, Vue, or others).
- Experience with one or more cloud platforms with a working understanding of contemporary SDLC practices such as continuous delivery.
- Strong understanding of the value of testing, quality, continuous integration, source control, and code reviews.
- Experience in capital markets, financial markets/products, consulting is highly desirable.
Bonus points:
- Experience working in asset management, specifically buy side firms. Exposure to research workflows and technology is highly desired.
- Backend engineering experience, ideally with .NET, Java, and/or Python.
- Experience working with common financial products such as Bloomberg, Symphony, or other tools commonly used in a finance context such as Salesforce, Databricks, and others.
Lab49 is an established partner for most financial institutions on Wall Street. You will gain exposure into a variety of environments, business domains, technologies, and people. Your ability to bring drive and creativity to the role will be the key component to success at Lab49. The broad and intense exposure to a variety of challenges accelerates your career growth, and Lab49’s structure is designed to enable you to learn and grow as an engineer and consultant.
Workplace Expectations
At Lab49, we prioritize close collaboration — with each other and with our clients. For this role, we expect a presence of at least 3–4 days per week on-site with clients in Boston. In addition, regular travel to client offices outside Boston is possible. We believe that consistent in-person engagement helps build strong partnerships, drives better outcomes, and accelerates growth and innovation.
The base salary range for this role is $170,000 - $210,000. Placement within the range provided above is based on the individual’s relevant experience and skills for the role and level.
Lab49/ION is committed to maintaining a supportive and inclusive environment for people with diverse backgrounds and experiences. We respect the varied identities, abilities, cultures, and traditions of the individuals who comprise our organization and recognize the value that different backgrounds and points of view bring to our business.
Lab49/ION adheres to an equal employment opportunity policy that prohibits discriminatory practices or harassment against applicants or employees based on any legally impermissible factor.
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About The Company
We’re visionary innovators who are delivering mission-critical trading and workflow automation software to financial institutions, corporations, central banks, and governments. By combining our passion for automation with a strategic view on the industries we serve, we design solutions that improve decision-making, simplify complex processes, and empower people. Simply put, we help our customers do more, faster and better than before. We believe our investments in research and development are shaping the future of automation and enabling our customers to transform their business. And we embrace the power of community, working with each other and with our customers to succeed through a positive culture of continuous improvement.
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