Senior Software Engineer (Full-stack React/Typescript)

Who We Are

Massive Rocket is a high-growth Braze & Snowflake agency that has made significant strides in connecting digital marketing teams with product and engineering units. Founded just 5 years ago, we have experienced swift growth and are now at a crucial juncture, aspiring to reach $100M in revenue. Our focus is on delivering human experiences at scale, leveraging the latest in web, mobile, cloud, data, and AI technologies. We pride ourselves on innovation and the delivery of cutting-edge digital solutions.

Every role at Massive Rocket is Entrepreneurial - Successful people at Massive Rocket will not only think about their role but understand the roles around them, their goals and contribute to the success and growth of their team, customers and partners.

What We Offer

🚀 Fast-moving environment – you will never stop learning and growing

❤️ Supportive and positive work culture with an emphasis on our values

🌍 International presence – work with team members in Europe, the US, and around the globe

🪐 100% remote forever

🍕 Organised team events and outings

What we’re looking for

Massive Rocket, a global Martech agency specializing in Braze and Snowflake, is looking for a talented Senior Software Engineer ( Full-stack React/Typescript) to join our growing team. We work with clients across the U.S., U.K., and European Union, delivering cutting-edge marketing technology solutions. In this role, you will be responsible for developing internal products and crafting client solutions using React. 

As a Senior Full Stack React/TypeScript Engineer, you will be a key technical contributor within the engineering team, driving the development and maintenance of a cutting-edge platform. You will be responsible for designing and implementing complex features across the entire stack, ensuring high performance and scalability, and contributing to both front-end and back-end systems.

If you’re passionate about engineering, thrive in a global environment, and are eager to work on innovative projects, we’d love to hear from you.

Responsibilities

- Architect and develop full-stack features: Design, develop, and maintain high-quality, scalable, and secure features across the entire technology stack, including React-based front-end interfaces and Next.js-powered back-end APIs and server-side rendering.

- Contribute to architectural decisions: Participate in architectural discussions, propose solutions, and contribute to the evolution of both front-end and back-end architectures within the Next.js framework.

- Optimize performance: Identify and address performance bottlenecks across the entire stack, optimize application code, and ensure a smooth and responsive user experience, leveraging Next.js features for optimization.

- Build robust APIs: Design and implement RESTful APIs and GraphQL endpoints using Next.js API routes to power the front-end application and integrate with other services.

- Work with databases: Interact with databases (SQL and NoSQL), including data modeling, query optimization, and ensuring data integrity.

- Optimize performance: Identify and address performance bottlenecks, optimize application code, and ensure a smooth and responsive user experience.

- Collaborate effectively: Work closely with designers, product managers, and backend engineers to translate requirements into technical solutions and ensure seamless integration.

- Stay ahead of the curve: Continuously learn and evaluate new technologies and trends in front-end development to keep the platform at the cutting edge.

Experience

- Extensive experience: 5+ years of proven experience as a Full Stack Engineer or similar role with a strong focus on React, TypeScript and Next.JS.

- Deep React expertise: Mastery of React.js, including advanced concepts like state management (Redux, Zustand), performance optimization, and server-side rendering.

- Next.js expertise: Strong understanding of Next.js and experience building server-rendered React applications, utilizing features like API routes, data fetching methods, and serverless functions.

- TypeScript proficiency: Expert-level proficiency in TypeScript and its application in building robust and type-safe applications at scale.

- API integration: Extensive experience with RESTful APIs and integrating with complex backend systems.

- Testing and quality assurance: Strong understanding of testing frameworks (Jest, Cypress) and best practices for ensuring code quality and application stability.

- Strong architectural understanding: Ability to design and implement complex systems, considering factors like scalability, maintainability, and security.

- Collaboration and Communication: Effective communicator and team player, comfortable working with cross-functional teams to deliver high-quality solutions.

- Agency experience: Experience working in an agency setting with clients

- English C1 Level: strong communication skills with professional level of proficiency in english

Desired Qualities:

- Innovative Problem-Solver: A creative thinker who can efficiently solve complex problems and adapt to new technologies and changing product requirements.

- Quality Advocate: Passion for quality and a dedication to understanding the user’s perspective and how it impacts the product's overall experience.

- Effective Communicator: Strong interpersonal and communication skills, with the ability to articulate issues, solutions, and concepts to technical and non-technical stakeholders alike.

- Leadership: The aptitude to mentor others and lead by example in software engineering practices is highly valued.

Bonus Points:

- Experience with UI/UX design principles and tools.

- Familiarity with DevOps practices and CI/CD pipelines.

- Experience with cloud technologies (e.g., Azure, AWS).

- Knowledge of medical device regulations and compliance.

During the process, please note the following requirements and preparations:

• Massive Rocket has a Bring Your Own Device (BYOD) policy — you will be expected to use your own equipment for work.

• A valid work visa is required — Massive Rocket does not provide sponsorship at this time.

• You may be asked to provide proof of identification, such as a passport, ID card, or utility bill (gas, water, electricity).

• Two references may be requested — please be prepared to share names, relationship to you, and contact details (email and mobile).

• Contractors only: Proof of incorporation and valid insurance coverage is required.

Note: Please ensure that your qualifications closely match the criteria outlined in the job description. Applications not meeting the specified criteria may not be processed or considered for this position.