Senior Backend Engineer (AdTech) ID52365

Department: Engineering
Specialization: Developer
Experience: Senior
Locations: Ukraine
Client: Leap Tools
Technical flow: Python
Engineering technical flow: Python
Non-engineering technical flow: none
  • What you will do

  • Architect, build, and evolve core systems for the Ads platform;
  • Design APIs and services supporting campaign management, targeting, delivery, attribution, and reporting;
  • Build and optimize high-throughput, low-latency systems processing large volumes of events and data;
  • Own critical systems end-to-end, including design, implementation, deployment, monitoring, and ongoing improvements;
  • Drive architectural decisions and establish patterns that support scalability, reliability, and developer productivity;
  • Collaborate closely with product, data, and partner teams to translate business requirements into robust technical solutions;
  • Provide technical leadership through design reviews, system discussions, and mentoring other engineers;
  • Contribute to engineering best practices, documentation, and long-term platform vision;
  • Participate in hiring and help grow a strong, high-performing team.
  • Must haves

  • 5 years of software development experience building scalable systems (backend programming languages/frameworks, e.g. Java, .NET, Python, Node.js etc);
  • Experience with AdTech (This may include experience with DSPs, SSPs, ad exchanges, affiliate programs, Prebid.js, Prebid Server, Google Ad Manager, Amazon UAM/TAM, OpenRTB, identity and addressability solutions, as well as ad operations workflows);
  • Deep understanding of computer science fundamentals (algorithms, data structures, networking, databases);
  • Proven experience designing and scaling distributed systems focusing on performance, observability, and fault tolerance;
  • Strong architectural instincts and the ability to make high-leverage technical decisions that impact multiple teams and systems;
  • Demonstrated ability to influence and mentor senior engineers, guide teams through ambiguity, and elevate engineering practices across the board;
  • Exceptional ownership mindset — you drive initiatives forward, raise the bar, and deliver lasting impact;
  • Excellent communication and cross-functional collaboration skills;
  • Availability to work till 1pm EST (till 8 pm Kyiv time);
  • Comfortable operating in a fast-paced, high-autonomy, product-driven environment;
  • Experience with e-commerce and catalog management is preferred;
  • Familiarity with Python, Django, Kubernetes, PostgreSQL, and AWS is strongly preferred, but deep expertise in analogous systems and a willingness to learn are welcome;
  • Upper-intermediate English level.
  • Nice to haves

  • Strong experience with complex ETL flows and high-throughput systems is highly preferred.

We are looking for a Senior Backend Engineer to architect and build the core systems of a next-generation AdTech platform that embeds products directly into visual experiences. You will design high-throughput, low-latency services for campaign delivery, targeting, attribution, and partner integrations using Python, Django, Kubernetes, and AWS. This is an early-stage initiative where senior engineers define the technical direction and system architecture from the ground up.

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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