Senior Software Engineer

8 Months ago • 5 Years + • Backend Development

Job Summary

Job Description

Senior Software Engineer needed for social sports gaming platform. Must have Python, Django, distributed systems and Kafka experience.
Must have:
  • Python & Django
  • Distributed Systems
  • Apache Kafka
  • AWS or Cloud
Good to have:
  • Microservices
  • Scalable Solutions
  • Performance Optimization
  • Unit & Integration Tests
Perks:
  • Welcoming & Friendly
  • Stimulating & Rewarding

Job Details

Fliff unpacks sports gaming into social, free-to-play games for all types of sports fans. We've built a social sports gaming experience that allows users to compete for leaderboard positioning, to achieve badges and build their status within the game.

We are pioneering play-for-fun sports gaming, with our flagship social sportsbook experience that includes sweepstakes promotions and loyalty rewards. We provide sports fans with fun, engaging, and free-to-play alternatives to real money gaming.

If you are passionate about technology and thrive in a dynamic environment, we want you on our team! Fliff is seeking a skilled Senior Software Engineer to join our growing team. You’ll be part of a cross-functional team responsible for the full software development life cycle, from conception to deployment.

The Role

    • Design, develop, and maintain high-performance distributed systems using Python and Django
    • Collaborate with cross-functional teams to define, design, and ship new features
    • Architect and implement scalable solutions to handle large volumes of traffic
    • Write clean, maintainable, and efficient code
    • Optimize backend systems for maximum performance, scalability, and reliability
    • Write unit, integration, and end-to-end tests to ensure software quality and reliability
    • Mentor junior engineers and participate in code reviews

Experience Required

    • 5+ years of overall software development experience
    • Experience with distributed systems and microservices
    • Strong understanding of data structures, algorithms and best practices
    • Proficiency in Python and Django
    • Hands-on experience with Apache Kafka in a production environment
    • Experience using AWS or another cloud provider
    • Excellent communication and problem-solving skills
We are a multinational company with our headquarters based in Philadelphia, and offices in New York, Austin, and Sofia, Bulgaria. Wherever we are in the world, we pride ourselves on being a close-knit, focused team that is welcoming and friendly, and the work that we do is always interesting and rewarding. Wherever we are in the world, we pride ourselves on being a close-knit, focused team that is:

Welcoming and Friendly
We want to reflect the diversity of the cities we serve. By creating an inclusive culture where everyone can thrive, we’ll make Fliff better for employees and customers alike.

Lively and Creative
We respect and value each other’s ideas, experience and expertise. There is no such thing as a bad idea; only ideas that are executed and ideas that are discarded after consideration.

Stimulating and Rewarding
We know bright minds love a challenge, and we understand your desire to see your hard work pay off. We’ll make sure your daily tasks align with your career ambitions as we grow together.

Similar Jobs

Lionsgate Games - Manager, Social Media Marketing

Lionsgate Games

Santa Monica, California, United States (On-Site)
2 Weeks ago
Twitch - Mobile Engineering Intern [Dec 2025/Spring 2026]

Twitch

San Francisco, California, United States (On-Site)
3 Months ago
Target - Data Scientist

Target

Bengaluru, Karnataka, India (On-Site)
4 Months ago
Warner Bros Discovery - Senior Manager, Merchandising Analytics

Warner Bros Discovery

St Leonards, New South Wales, Australia (On-Site)
3 Months ago
Easygo - Data Scientist

Easygo

Melbourne, Victoria, Australia (On-Site)
3 Weeks ago
Homa games - Senior Machine Learning Engineer

Homa games

Paris, Île-de-France, France (On-Site)
7 Months ago
LeoVegas - Node.js Engineer

LeoVegas

Málaga, Andalusia, Spain (On-Site)
4 Months ago
SiftHub - Senior Software Engineer (Backend)

SiftHub

Mumbai, Maharashtra, India (On-Site)
4 Months ago
King - 2025 Summer Internship - Developer Intern - Barcelona

King

Barcelona, Catalonia, Spain (On-Site)
3 Weeks ago
Argus Labs - Software Engineer (Infrastructure/Backend)

Argus Labs

(Remote)
3 Weeks ago

Get notifed when new similar jobs are uploaded

Similar Skill Jobs

NVIDIA - Signal and Power Integrity Engineer

NVIDIA

Shenzhen, Guangdong Province, China (On-Site)
1 Month ago
ByteDance - Research Scientist Graduate (Foundation Model, Vision and Language) - 2025 Start (PhD)

ByteDance

San Jose, California, United States (On-Site)
3 Months ago
NVIDIA - Design Verification Infrastructure Engineer

NVIDIA

Bengaluru, Karnataka, India (On-Site)
1 Month ago
Fabric - Applied Cryptographer, ZKP Research

Fabric

New York, New York, United States (Remote)
4 Months ago
Microsoft - Research Intern - MSR Intelligent Networked Systems

Microsoft

Redmond, Washington, United States (On-Site)
1 Month ago
Mozilla - Staff Machine Learning Engineer, Gen AI

Mozilla

Sweden (Remote)
4 Months ago
Tesla - Algorithms Engineer, Autobidder (Electricity Markets/Energy Trading)

Tesla

North Holland, Netherlands (On-Site)
1 Week ago
Twitch - Software Engineer II - iOS

Twitch

San Francisco, California, United States (On-Site)
3 Months ago

Get notifed when new similar jobs are uploaded

Jobs in Sofia, Sofia City Province, Bulgaria

Workato - Talent Sourcer

Workato

Sofia, Sofia City Province, Bulgaria (Remote)
3 Months ago
DraftKings - Senior Software Engineer

DraftKings

Sofia, Sofia City Province, Bulgaria (On-Site)
4 Months ago
Sporty Group - BG Sports Trading Analyst - Night Shifts

Sporty Group

Bulgaria (Remote)
3 Weeks ago
CloudLinux - Senior C Developer (worldwide remote, work anywhere)

CloudLinux

Sofia, Sofia City Province, Bulgaria (Remote)
3 Months ago
PwC - Senior Accountant

PwC

Sofia, Sofia City Province, Bulgaria (On-Site)
2 Months ago
Room 8 Studio - Project Manager, Senior

Room 8 Studio

Bulgaria (On-Site)
2 Months ago
Playtech - .NET Full Stack Developer

Playtech

Sofia, Sofia City Province, Bulgaria (On-Site)
3 Months ago
Playtech - Junior QA Engineer

Playtech

Sofia, Sofia City Province, Bulgaria (On-Site)
3 Months ago
Evolution - Office Coordinator

Evolution

Sofia, Sofia City Province, Bulgaria (On-Site)
1 Week ago
Room 8 Studio - Unreal Engine Cinematic Artist (Trailer Production)

Room 8 Studio

Bulgaria (On-Site)
3 Months ago

Get notifed when new similar jobs are uploaded

Backend Development Jobs

Blazesoft - .Net Core Backend Developer (with Hardware Experience)

Blazesoft

Vaughan, Ontario, Canada (On-Site)
4 Months ago
Tap Nation - Senior Unity Developer Web3 (Freelance)

Tap Nation

New York, New York, United States (Remote)
1 Month ago
Eightfold - Staff Engineer-Backend

Eightfold

Bengaluru, Karnataka, India (Hybrid)
5 Months ago
King - Senior Data Engineer

King

Barcelona, Catalonia, Spain (On-Site)
3 Months ago
Epic Games - Senior Engineer, Patching

Epic Games

(On-Site)
7 Months ago
Hawk Eye Innovations - Backend Java Engineer - Contract

Hawk Eye Innovations

London, England, United Kingdom (On-Site)
1 Week ago
Animoca Brands - Backend Developer

Animoca Brands

Philippines (Remote)
4 Months ago
Epic Games - Engineering Lead

Epic Games

Vancouver, British Columbia, Canada (On-Site)
1 Month ago
Google - Software Engineer III, Site Reliability Engineering, Google Cloud

Google

Seattle, Washington, United States (On-Site)
1 Month ago
The Walt Disney Company - Software Engineer II

The Walt Disney Company

New York, New York, United States (On-Site)
1 Day ago

Get notifed when new similar jobs are uploaded

About The Company

Fliff is the home of social sports gaming. Our social and sweepstakes prediction games offer a new way to have skin-in-the-game that is simpler, interactive, and free to play.



By pairing the social treasures of sports gaming with loyalty rewards and promotions, sports fans can sweat the game without sweating the losses. Fliff combines the best of social gaming, fantasy sports, and sports betting into a fun and easy to use experience.

Sofia, Sofia City Province, Bulgaria (Remote)

Sofia, Sofia City Province, Bulgaria (Remote)

Philadelphia, Pennsylvania, United States (On-Site)

Sofia, Sofia City Province, Bulgaria (Remote)

Sofia, Sofia City Province, Bulgaria (Remote)

New York, New York, United States (On-Site)

View All Jobs

Get notified when new jobs are added by Fliff Inc

Level Up Your Career in Game Development!

Transform Your Passion into Profession with Our Comprehensive Courses for Aspiring Game Developers.

Job Common Plug