Are you passionate about building high-performance, user-friendly applications and driving technical vision at scale?
We are looking for a Staff Front-End Engineer to join our distributed, innovative engineering team working on a next-generation SaaS video communication platform. This role offers both strategic influence and hands-on impact, combining architecture ownership with direct contribution to product excellence.
At Sigma Software, we deliver high-quality solutions for global customers, fostering a culture of collaboration, transparency, and innovation. You will work in a friendly environment with talented engineers across multiple countries, solving complex challenges in high-load, real-time systems.
Why join us? You will gain the opportunity to shape architecture decisions, mentor a strong team, and grow in an environment that values technical leadership and continuous improvement.
CUSTOMER
Our Customer is a fast-growing European SaaS company specializing in browser-based video communication solutions. Their platform enables organizations to host webinars, virtual meetings, product demos, and training sessions entirely in the browser, without downloads or installations. Serving thousands of teams worldwide, the company is recognized for seamless user experiences.
PROJECT
The flagship product integrates event management, interactive engagement tools (chat, Q&A, polls), third-party system integrations, and advanced analytics to deliver high-quality virtual events. Built to handle high-traffic, real-time environments, it focuses on performance, scalability, and usability. The engineering team embraces modern JavaScript frameworks and robust architecture practices to continuously evolve the product.
Job Description- Own and drive the front-end technical vision and architecture ensuring scalability, performance, and long-term maintainability
- Define, evolve, and document front-end standards, frameworks, and best practices including design system direction
- Design and implement scalable front-end solutions leveraging APIs, webhooks, and system integrations
- Identify, analyze, and resolve performance and scalability bottlenecks in high-load, real-time environments
- Lead architectural and technical discussions, challenge assumptions, and influence decisions across Engineering, Product, and other stakeholders
- Collaborate closely with back-end, Product, and Design teams to deliver cohesive, customer-driven solutions
- Provide technical leadership and mentorship to front-end engineers and other technical team members
- Support team growth by contributing to technical interviews, candidate evaluation, and profile definition
- Take ownership in ambiguous or early-stage initiatives driving solutions from concept and prototypes to production
- Strong expertise in JavaScript and modern front-end development with hands-on experience in Vue.js
- Proven track record of owning front-end architecture in complex, production-grade applications
- Strong architectural judgment and ability to predict system behavior at scale
- Solid background in building high-traffic, real-time, or data-heavy front-end systems
- Strong technical knowledge of APIs, webhooks, and SaaS integrations
- Proficiency in web technologies including TypeScript, GraphQL, REST, etc.
- Deep understanding of performance optimization, scalability, and front-end bottlenecks in production
- Experience designing or evolving design systems, UI frameworks, and front-end guidelines
- Experience contributing to or supporting front-end hiring decisions
- At least an Upper-Intermediate level of English
WILL BE A PLUS
- Proven experience in a Tech Lead and/or Software Architect role
- Experience with pre-sales engagements and collaboration with account teams
- Background in a startup or scale-up SaaS environment
- Familiarity with automation platforms such as Zapier, Make, etc.
- Experience defining technical guidelines, processes, and internal tooling
PERSONAL PROFILE
- Passion for architecture, scalability, and performance in high-load systems
- Strong leadership in technical discussions and mentoring
- Ability to thrive in distributed, collaborative environments
- Comfortable working with ambiguity and driving initiatives from concept to delivery
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What We Do
Sigma Software Group, an award-winning and trusted IT partner, has been serving customers for over 21 years, providing comprehensive IT solutions to various businesses, ranging from startups to established software product houses. As one of Europe's substantial IT consultancies, it brings together a dedicated workforce of over 2,100 professionals in 40 offices across 19 countries. With a diverse client base, including more than 300 enterprises, including Fortune 500 stalwarts, Sigma Software Group is a preferred choice for developing solutions that help businesses create cutting-edge products while meeting their unique needs. Sigma Software Group operates as a dynamic ecosystem of tech companies, offering 25 ready-to-implement innovative products and 40+ value-added services. Furthermore, Sigma Software Group is committed to fostering innovation through initiatives such as the Sigma Software Labs business incubator, Sigma Software University, the SID Venture Partners VC Fund, UA Tech Network, Techosystem, the European Business Association, and other collaborative efforts. Since 2015, Sigma Software Group has consistently earned recognition on the IAOP's prestigious World's Top 100 Outsourcing list. The company's accomplishments have also been acknowledged by prominent global media outlets such as Forbes, CNBC, The Times, and Reuters
