Full Stack Engineer ID55426

Department: Engineering
Specialization: Developer
Experience: Middle Senior
Technologies: Java
Client: Mark43
Technical flow: Java / React.js
Engineering technical flow: Java / React.js
Non-engineering technical flow: none
  • What you will do

  • Work full-stack with a backend emphasis;
  • Build and maintain a microservice for federated queries, query status tracking, results handling, and device/configuration management;
  • Write interface agents to extract data from external interfaces;
  • Implement and improve real-time features using Redis, AWS, and WebSockets;
  • Own part of the data layer using MySQL, S3, and migration tools;
  • Build secure and robust services ensuring reliability and quality;
  • Contribute to a React and TypeScript client;
  • Embed solutions across the existing product line;
  • Build search forms and integrate APIs with real-time updates using WebSockets;
  • Display query status, results, and history in a responsive UI;
  • Collaborate with engineers and stakeholders on design and implementation;
  • Translate user workflows into APIs and UI flows in collaboration with product teams;
  • Participate in code reviews, design discussions, and continuous improvement of architecture and practices.
  • Must haves

  • 4+ years of backend development experience with Java (preferably Java 11+);
  • Hands-on experience with Spring Boot and OpenAPI for building REST APIs;
  • Experience with WebSockets or other real-time/streaming technologies;
  • Solid understanding of relational databases such as MySQL, including schema design, indexing, and query optimization;
  • Experience with database migration tools such as Flyway or Liquibase;
  • Practical experience with Redis or message/event systems;
  • Experience deploying and operating services on AWS or another cloud provider;
  • Ability to write automated backend tests (unit and integration);
  • Familiarity with CI/CD processes;
  • Hands-on experience with AI coding tools;
  • Professional experience with React and TypeScript or strong JavaScript;
  • Experience integrating REST APIs on the frontend and handling loading and error states;
  • Familiarity with frontend testing frameworks such as Jest;
  • Upper-intermediate English level.
  • Nice to haves

  • Experience with React Query or similar server-state libraries;
  • Experience with React Hook Form or other advanced form libraries;
  • Experience with Redis pub/sub or Redis Streams in production;
  • Experience with Infrastructure as Code such as Terraform;
  • Familiarity with AWS services such as Lambda, API Gateway, EventBridge, and S3;
  • Experience in domains with data sensitivity, auditing, or role-based access requirements.

As a Full Stack Engineer, you will build and scale real-time, data-driven services that power federated search and seamless user experiences across complex systems. Working with Java, Spring Boot, React, TypeScript, and AWS, you’ll develop microservices, design APIs, and deliver responsive interfaces with live updates. This role offers strong ownership of the data layer and architecture, close collaboration with stakeholders, and the opportunity to innovate using modern cloud and real-time technologies.

The benefits of joining us

Professional growth

Accelerate your professional journey with mentorship, TechTalks, and personalized growth roadmaps

Competitive compensation

We match your ever-growing skills, talent, and contributions with competitive USD-based compensation and budgets for education, fitness, and team activities

A selection of exciting projects

Join projects with modern solutions development and top-tier clients that include Fortune 500 enterprises and leading product brands

Flextime

Tailor your schedule for an optimal work-life balance, by having the options of working from home and going to the office – whatever makes you the happiest and most productive.

Your AgileEngine journey starts here

1

2 min

Tell us about yourself

2

2 sec

Confirm requirements

3

30 - 60 min

Pass a short test

4

5 min

Record a short video

→ Introduce yourself on a video, instead of waiting for an interview

5

Live interview

Ace the technical interview with our team

→ Schedule a call yourself right away after your video is reviewed

6

Live interview

Final interview with your team

→ Get to know the team you will be working with

7

Get an offer

As quick as possible

Our geography

UTC-5
WASHINGTON DC USA
UTC-5
MIAMI USA
UTC-6
MEXICOMexico
UTC-5
ColombiaColombia
UTC-3
BrazilBrazil
UTC-3
ArgentinaArgentina
UTC+2
UkraineEurope
UTC+1
PolandEurope
UTC+0
PortugalPortugal
UTC+5:30
IndiaIndia

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