Senior Cloud-Native React Developer – Financial Technology
Offer summary

(Summary generated by AI based on the full job description)

The project focuses on fintech with cloud-native scalable web applications using React, TypeScript, and AWS. Main responsibilities include architecting and developing modern applications, migrating to cloud-native solutions, creating serverless designs with AWS Lambda, and managing infrastructure with Terraform. Strong knowledge of databases like MongoDB and ElasticSearch is required. Benefits include medical care, multisport access, Pluralsight subscription, and flexible working hours.

you can start ASAP

Senior Cloud-Native React Developer – Financial Technology

Company: ITDS Polska Sp. z o.o.

from: 27 May 2026
to: 26 June 2026
23 100 - 31 500net (+ VAT)/ mth.B2B contract (full-time)
salary not specifiedcontract of employment
Salary details
basic salary
Offer parameters
level:senior
working mode:full office
location:Warszawa, Masovian
Warszawa, Masovian

Requirements

Expected technologies

React.js
React Native
TypeScript
AWS
Lambda
Batch
CloudWatch
Terraform
MongoDB
Elasticsearch
S3

Operating system

Windows

Our requirements

  • 8+ years of practical software engineering experience
  • Strong expertise in React and TypeScript
  • Hands-on experience with AWS services, especially Lambda, Batch, and CloudWatch
  • Proficiency with Terraform or similar Infrastructure-as-Code tools
  • Solid understanding of relational and non-relational databases (MongoDB, ElasticSearch, S3)
  • Knowledge of RESTful API design and development
  • Excellent communication skills to engage with non-technical stakeholders
  • Bachelor's degree in Computer Science, Engineering, Mathematics, or related field

Optional

  • Experience with CI/CD pipelines
  • Familiarity with serverless architecture best practices
  • Knowledge of AI development tooling in cloud environments

Your responsibilities

  • Architect and engineer modern web applications using React, TypeScript, and AWS services
  • Lead technical decision-making and provide architectural guidance to the development team
  • Develop and maintain serverless solutions utilizing AWS Lambda, Batch, and CloudWatch
  • Write Infrastructure-as-Code with Terraform to streamline deployment and infrastructure management
  • Collaborate with designers, product managers, and stakeholders to translate requirements into robust solutions
  • Support migration of legacy systems toward cloud-native, React-based architectures
  • Optimize CI/CD pipelines for automated, efficient deployment
  • Work with cloud storage solutions such as S3, MongoDB, and ElasticSearch

About the project

As a Senior React Developer with AWS, you will be working for our client, a global leader in financial technology dedicated to transforming the industry with innovative, cloud-native web solutions. Join this high-impact project to shape the future of digital banking platforms, leveraging AI, microservices, and modern development practices. Be a vital part of a forward-thinking environment driving cutting-edge cloud migration strategies, delivering scalable and high-performance systems across international markets.
Empower the Future of Financial Technology — Design Scalable, Cloud-Native Applications with React and AWS
Warszawa-based opportunity with on-site work model
Only candidates with an existing legal right to work in the European Union will be considered for this role.

This is how we organize our work

This is how we work

at the client's siteagilescrum

This is how we work on a project

  • Continuous Deployment
  • Continuous Integration

#GETREADY to meet with us!

ITDS Business Consultants is involved in many various, innovative and professional IT projects for international companies in the financial industry in Europe. We offer an environment for professional, ambitious, and driven people.
We would like to meet you. If you are interested please apply and attach your CV in English or Polish, including a statement that you agree to our processing and storing of your personal data.

ITDS’s Whistleblower Procedure

📌 You can report violations in accordance with ITDS’s Whistleblower Procedure available here: https://itds.pl/wp-content/uploads/2025/03/INFORMATION-ON-PROCEDURE-FOR-REPORTING-BREACHES-AND-PROTECTION-OF-WHISTLEBLOWERS-AT-ITDS-POLSKA.pdf
Company

What we offer

  • Stable and long-term cooperation with very good conditions
  • Enhance your skills and develop your expertise in the financial industry
  • Work on the most strategic projects available in the market
  • Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years
  • Participate in Social Events, training, and work in an international environment
  • Access to attractive Medical Package
  • Access to Multisport Program
  • Access to Pluralsight
  • Flexible hours

Benefits

  • sharing the costs of sports activities
  • private medical care
  • flexible working time
  • fruits
  • integration events
  • corporate gym
  • saving & investment scheme
  • no dress code
  • coffee / tea
  • drinks
  • christmas gifts
  • birthday celebration
  • sharing the costs of a streaming platform subscription
  • access to +100 projects
  • access to Pluralsight

Recruitment stages

  • 1.
    online interview
  • 2.
    online interview

ITDS Polska Sp. z o.o.

ITDS supports financial service providers to take the next steps.
We identify what’s possible, every day. Opportunities in the areas of technology, organization, and digitization.
We see where banks, insurers, payment companies, or fintech can go and how they can get there.
That’s why we want to stimulate you to ramp up your ambition. Forget what you perceive as restraints and step towards the new reality.
ITDS in Poland - Pure player in new Technologies & Financial Industry
+300 IT implementation professionals
+20 clients in the Banking, Insurance, Payment & Fintech Industry
ITDS excels in digital strategy delivery and implementation of best-of-breed lending solutions. ITDS has delivered successful strategic projects throughout Europe since 1998. We combine the experience we’ve accumulated with in-depth knowledge of technologies, business processes, and EU legislation to unlock new business opportunities.

This is how we work

Senior Cloud-Native React Developer – Financial Technology
23.1k–31.5k zł / mth. (B2B)
I apply to:
ITDS Polska Sp. z o.o.
Warszawa, Masovian
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