The role involves owning product feature development, participating in system design, and maintaining software performance in an agile setting.
Description
We're looking for experienced and exceptional back-end JavaScript developers, with expertise in Node.js. MongoDB, Express, Kubernetes, RabbitMQ, Cassandra and Snowflake.
In this role, you will take full ownership of product and feature development, using cutting-edge technologies, in a fast-paced and professional agile environment.
Responsibilities- End-to-end feature development, from conception to production.
- Participate in system design and architecture planning, for optimal software performance.
- Take on independent responsibilities, while contributing to the team's collective goals.
- Actively learn, adapt and stay up-to-date with the evolving tech landscape, including best practices.
- At least 3 years of hands-on experience in development / engineering, including 2+ years focused specifically on Back-End JavaScript development.
- In-depth understanding of network protocols and security, including TCP/IP, DNS, HTTP, HTTPS, CORS and WebSockets.
- Proficient in system design and architecture to ensure product functionality, performance, scalability, and reliability.
- Fast learner, able to work independently and as a team player.
- Fluent in English, with excellent communication skills.
- Front-end experience with HTML, CSS and React - a significant advantage.
Similar Jobs
Artificial Intelligence • Fintech • Hardware • Information Technology • Sales • Software • Transportation
Conduct red team operations, adversary simulations, penetration testing, and offensive security assessments across cloud environments. Evaluate cloud infrastructure, IAM, CI/CD pipelines, containers, and cloud-native services; identify attack paths and configuration weaknesses; validate detection and response capabilities; track emerging attacker techniques; and drive remediation through concise reporting and stakeholder communication.
Top Skills:
Ci/Cd PipelinesCloud EnvironmentsCloud-Native ServicesContainerized WorkloadsIamMitre Att&Ck
Artificial Intelligence • Edtech • Machine Learning • Software
Own and scale QuillBot’s global affiliate program across 2,000+ partners. Responsibilities include recruiting and onboarding partners, negotiating commissions and contracts, managing tracking and payments, analyzing CAC, ROAS, LTV, fraud, and partner ROI, optimizing budgets and incentives, running structured tests, supporting creative assets, and collaborating with Product, Data, Engineering, Finance, and Legal on attribution, compliance, and revenue quality.
Top Skills:
Affiliate Management PlatformsAttribution TrackingDashboardsFraud Detection SystemsImpactPartnerstack
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
Lead pricing modeling and experimentation to optimize margin, conversion, and retention. Build elasticity and willingness-to-pay models, run causal and bandit experiments, decompose merchant economics, and develop agentic deal tooling. Own end-to-end data pipelines, ETL, monitoring, and visualization. Evaluate AI systems for accuracy, bias, and drift, and partner with cross-functional teams to translate results into pricing strategy and automation.
Top Skills:
Agentic AiLlmsLookerNumpyPandasPythonRRagSnowflakeSQLTableau
What you need to know about the London Tech Scene
London isn't just a hub for established businesses; it's also a nursery for innovation. Boasting one of the most recognized fintech ecosystems in Europe, attracting billions in investments each year, London's success has made it a go-to destination for startups looking to make their mark. Top U.K. companies like Hoptin, Moneybox and Marshmallow have already made the city their base — yet fintech is just the beginning. From healthtech to renewable energy to cybersecurity and beyond, the city's startups are breaking new ground across a range of industries.


