LEAD SOFTWARE ENGINEER (AWS, REACT, NODE.JS)

ABOUT THE COMPANY

LITIT, a joint venture between NTT DATA and Reiz Tech, is a company with deep-rooted industry know-how, dedicated to innovation within the IT sector. Its primary focus is delivering high-quality solutions in the DACH region. With a commitment to excellence, LITIT combines the best of German precision, Japanese work ethics, and Lithuanian talent to provide unparalleled IT service and support to its clients.

ABOUT THE CLIENT

Our client is a leading global reinsurance organization with a long-standing reputation in risk management, insurance, and financial services. Operating across major international markets, the company partners with insurers worldwide to provide innovative risk transfer solutions and support resilience against complex and large-scale risks.

With a strong focus on data-driven decision-making, digital transformation, and advanced analytics, the organization continues to evolve its capabilities to address emerging global challenges, including climate-related risks, cyber threats, and other systemic exposures.

ABOUT THE ROLE

We are looking for an experienced Lead Software Engineer (Tech Lead) to join our engineering organization and lead one of our product teams. This role combines hands-on software development with technical leadership and solution architecture responsibilities.

The successful candidate will play a key role in designing, building, and delivering scalable, secure, and user-centric cloud-native applications. You will work closely with engineers, product teams, and client stakeholders to drive technical excellence, establish engineering best practices, and ensure successful delivery of high-quality solutions.

This position requires strong expertise in AWS cloud services, modern web technologies, data engineering, and DevOps practices, alongside excellent communication and stakeholder management skills.

RESPONSIBILITIES

• Lead and support a product team as a hands-on Tech Lead.

• Split and structure project work, ensuring efficient delivery and clear ownership.

• Review code, select appropriate design patterns, and mentor developers in delivering high-quality user stories.

• Actively contribute to software development within a cloud-native AWS environment using TypeScript.

• Design and develop modern frontend applications using React, Next.js, and Tailwind-based frameworks.

• Implement backend services in Node.js and TypeScript to support ETL processes, machine learning workflows, and risk insight solutions.

• Architect, develop, and maintain REST APIs with secure authentication mechanisms, including OAuth/OIDC and HMAC patterns.

• Ensure security and compliance through implementation of IAM/CIAM policies, TLS/KMS encryption, and audit logging.

• Design and implement CI/CD pipelines using Azure DevOps and GitLab Flow.

• Collaborate with client stakeholders and engineering teams to ensure scalable, secure, and maintainable solutions.

• Drive engineering best practices, technical standards, and architectural excellence across the team.

REQUIREMENTS

• Proven experience as a Lead Software Engineer, Tech Lead, or Senior Full Stack Developer in a hands-on engineering role.

• Strong frontend development experience with React, Next.js, TypeScript, Flowbite CSS, and Tailwind-based frameworks.

• Strong backend development experience with Node.js, TypeScript, and REST API design and development.

• Hands-on experience with AWS cloud services, including Lambda, Fargate, API Gateway, CloudFront, S3, DynamoDB, Glue, Athena, Lake Formation, IAM, Secrets Manager, VPC Endpoints, PrivateLink, and Step Functions.

• Experience designing and implementing REST APIs, gRPC services, OAuth/OIDC authentication, EventBridge, SQS, and webhook integrations.

• Experience integrating solutions with OEM and insurer systems.

• Strong knowledge of Infrastructure as Code (IaC) using Terraform and CDK for Terraform (CDKTF).

• Experience with Azure DevOps pipelines, environment configuration management, and deployment automation.

• Solid DevOps expertise, including Git workflows, branching strategies, Docker, Amazon ECR, automated testing, release gates, and CI/CD best practices.

• Strong understanding of application and cloud security principles, including IAM/CIAM (Entra), TLS/KMS encryption, WAF, and multi-tenant architectures.

• Proven ability to review code, establish engineering standards, and drive software quality across a development team.

• Strong software architecture and solution design skills for cloud-native applications.

• Excellent communication and stakeholder management skills, with the ability to build trusted relationships with clients and cross-functional teams.

• Experience working in Agile product teams and mentoring developers to deliver high-quality solutions.

• Willingness and readiness to travel as required by project or client needs is expected. This may include occasional domestic or international travel, sometimes on short notice.

WHAT WE OFFER

• Salary range: €4500 - €6500 (GROSS) / month.

• Learning opportunities with compensated certificates, learning lunches, and language lessons.

• Chance to switch projects after one year.

• Team building twice a year.

• Office in Vilnius, Lithuania that offers themed lunches and a pet-friendly environment.

• Remote work opportunities.

• Flexible time off depending on a project.

• Seasonal activities with colleagues.

• Additional health insurance and loyalty days for Lithuanian residents.

• Referral bonuses.

• Recognition of important occasions of your life.