Full Stack Engineer – Backend Focused, Node.js, React

Oxylabs.io

Backend-Focused Full Stack Engineer developing client-facing products that power a global B2B data intelligence platform with cutting-edge technologies.

Posted 7/8/2026full-timeVilnius • 🇱🇹 LithuaniaJuniorMid-Level💰 €4,700 - €6,300 per monthWebsite

Tech Stack

Tools & technologies

JavaScriptNext.jsNode.jsPostgresReactTypeScript

About the role

Key responsibilities & impact

Design, develop, and maintain back-end services and RESTful APIs using Node.js and TypeScript.
Build and optimize API endpoints for client-facing products.
Work with PostgreSQL databases and Prisma ORM – schema design, query optimization, migrations.
Develop and maintain integrations with third-party services (payment systems, email services, CRM).
Develop and support front-end features using React.js and Next.js.
Leverage AI tools and contribute to integrating AI-powered features into products.
Collaborate with Product Managers and Design team to plan and refine requirements for new features.
Take ownership of delivering features through all development phases, including code review, QA, and production.
Monitor alert systems and respond proactively to errors or incidents.
Proactively research and introduce new tools, technologies, and solutions to enhance our tech stack.
Share knowledge, insights, and best practices with fellow team members to foster a collaborative environment.
Participate in creating well-thought-out technical plans for feature implementation.

Requirements

What you’ll need

2+ years of professional full stack development experience.
Proficiency in JavaScript and TypeScript.
Experience with Node.js for back-end development.
Experience with React.js and Next.js for front-end development.
Experience designing and building RESTful APIs.
Comfortable using AI tools (LLMs, code assistants) in daily workflows.
Can-do attitude and proactive problem-solving approach. Eagerness to constantly learn new things.
Ability to understand business requirements and translate them into technical solutions.
Proficiency in Lithuanian and English languages.

Benefits

Comp & perks

Gross salary: 4700-6300 EUR/month. Keep in mind that we are open to discuss a different salary based on your skills and competences.
Growth & Learning: 40+ internal learning options, external conferences, mentorship, and year-round knowledge-sharing.
Health & Well-being: Private health insurance, psychotherapy, on-site well-being consultants, 24/7 gym access, and a wellness app.
Celebration & Community: Team events, an overseas workation, quarterly team-building budgets, and plenty of ways to mark milestones together. Plus bonus vacation days, paid life-moment days off, barista coffee, and all the tools you need.

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

JavaScriptTypeScriptNode.jsReact.jsNext.jsRESTful APIsPostgreSQLPrisma ORMAI ToolsSchema Design

Soft Skills

Proactive Problem-SolvingCan-Do AttitudeCollaborationKnowledge SharingEagerness to Learn