Jobs at Djinni

About the Client & Project We are partnering with a well-established UK-based e-commerce retailer operating across the US, UK, and APAC markets under 16+ partner brands. They run a high-volume, subscription-driven commerce model with complex multi-market business logic. The team is currently mid-way through a major platform modernisation — moving from a legacy monolith to a modern MACH architecture.

Responsibilities:

• Build AWS Lambda microservices (Node.js/TypeScript) behind API Gateway, integrated with Commerce Tools and D365.
• Design and optimise DynamoDB data models and access patterns for high-throughput e-commerce.
• Contribute to CI/CD pipelines and collaborate with DevOps on infrastructure automation.
• Support knowledge transfer to client engineers on AWS serverless best practices.

• Delegate multi-step tasks to AI agents; review diffs, verify output, and maintain accountability for what gets committed.

   

Requirements:

• Experience: 5+ years in Software Development 
• Backend: Strong, production-grade proficiency in Node.js and TypeScript.
• Cloud5/Serverless: Production-grade expertise with AWS Lambda, API Gateway, and DynamoDB (not just theoretical).
• Architecture: Robust experience with microservices architecture and greenfield development.
• AI Tooling: You are a self-sufficient builder who ships fast, communicates clearly across international teams, and operates AI agents as a genuine force multiplier — delegating, verifying, and iterating, not just prompting.
• English level: Upper-Intermediate+
• Tech Stack Ecosystem (Nice-to-Have): Exposure to ECS, Commerce Tools, Netlify, Contentful, D365, or Akamai

We offer*:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*not applicable for freelancers

We are looking to hire a Senior Full Stack Developer who will take part in development and maintenance services for customized software solutions for large European customer, a provider of innovative software solutions for the public sector.
The client is a technology service provider specializing in digital solutions for public sector organizations. The company focuses on developing secure, scalable platforms that support administrative processes, data management, and digital transformation initiatives.

The project includes software application development in the tax administration domain. The system under development is the tax administration system that covers taxation processes in one of the European countries. This is the complex system that covers the full life-cycle of tax declarations processing and tax calculations and assessments that included integration with multiple external systems. The project team consist of 20+ people.

Responsibilities:

• Implement software components according to the design specifications
• Perform system integration and testing, problem troubleshooting, and resolution
• Perform unit testing of software components
• Participate in estimating project efforts and delivery timelines
• Proactively collaborate with teammates and communicate with the Project Stakeholders to ensure that the Project efforts proceed efficiently and with predictability
• Provide technical input into product roadmaps
• Participate in triage activities (incident analysis and prioritization)
• Support and optimize CI/CD processes

Project Tech Stack 
Backend (Java): Spring, Quarkus. Frontend: Angular (latest versions)
Data & Integration: PostgreSQL,RESTEasy, Hibernate / Panache, Kafka
Architecture, DevOps & Tools: Microservices, Maven, Flyway, Docker, Kubernetes, GitLab, Jira, ArgoCD, Grafana

Qualifications

• 6+ years of experience in Java development
• 3+ years of experience in Angular front‑end development
• Strong experience with Spring Framework, Quarkus
• Understanding of microservices architecture and containers (Docker/Kubernetes)
• Experience with relational databases (PostgreSQL or other RDBMS)
• Experience with REST/SOAP integrations and messaging (Kafka, ActiveMQ)
• Good understanding of testing principles
• Ability to communicate confidently in English

Additional Information

We offer:

• Culture of Relentless Performance: join an unstoppable technology development team with a 99% project success rate and more than 30% year-over-year revenue growth.
• Competitive Pay and Benefits: enjoy a comprehensive compensation and benefits package, including health insurance, and a relocation program.
• Work From Anywhere Culture: make the most of the flexibility that comes with remote work.
• Growth Mindset: reap the benefits of a range of professional development opportunities, including certification programs, mentorship and talent investment programs, internal mobility and internship opportunities.
• Global Impact: collaborate on impactful projects for top global clients and shape the future of industries.
• Welcoming Multicultural Environment: be a part of a dynamic, global team and thrive in an inclusive and supportive work environment with open communication and regular team-building company social events.
• Social Sustainability Values: join our sustainable business practices focused on five pillars, including IT education, community empowerment, fair operating practices, environmental sustainability, and gender equality.

Company Description

Miratech helps visionaries change the world. We are a global IT services and consulting company that brings together enterprise and start-up innovation. Today, we support digital transformation for some of the world's largest enterprises. By partnering with both large and small players, we stay at the leading edge of technology, remain nimble even as a global leader, and create technology that helps our clients further enhance their business. We are a values-driven organization and our culture of Relentless Performance has enabled over 99% of Miratech's engagements to succeed by meeting or exceeding our scope, schedule, and/or budget objectives since our inception in 1989. 
Miratech has coverage across 5 continents and operates in over 25 countries around the world. Miratech retains nearly 1000 full-time professionals, and our annual growth rate exceeds 25%.

Job Description

We are looking to hire a Senior Java Developer who will take part in development and maintenance services for customized software solutions for large European customer, a provider of innovative software solutions for the public sector.
The client is a technology service provider specializing in digital solutions for public sector organizations. The company focuses on developing secure, scalable platforms that support administrative processes, data management, and digital transformation initiatives.

The project includes software application development in the tax administration domain. The system under development is the tax administration system that covers taxation processes in one of the European countries. This is the complex system that covers the full life-cycle of tax declarations processing and tax calculations and assessments that included integration with multiple external systems. The project team consist of 20+ people.

Responsibilities:

• Implement software components according to the design specifications
• Perform system integration and testing, problem troubleshooting, and resolution
• Perform unit testing of software components
• Participate in estimating project efforts and delivery timelines
• Proactively collaborate with teammates and communicate with the Project Stakeholders to ensure that the Project efforts proceed efficiently and with predictability
• Provide technical input into product roadmaps
• Participate in triage activities (incident analysis and prioritization)

• Support and optimize CI/CD processes

   

Project Tech Stack 
Backend (Java): Spring, Quarkus. Frontend: Angular (latest versions)
Data & Integration: PostgreSQL,RESTEasy, Hibernate / Panache, Kafka
Architecture, DevOps & Tools: Microservices, Maven, Flyway, Docker, Kubernetes, GitLab, Jira, ArgoCD, Grafana

Qualifications

• 6+ years of experience in Java development
• Strong experience with Spring Framework, Quarkus
• Understanding of microservices architecture and containers (Docker/Kubernetes)
• Experience with relational databases (PostgreSQL or other RDBMS)
• Experience with REST/SOAP integrations and messaging (Kafka, ActiveMQ)
• Good understanding of testing principles

• Ability to communicate confidently in English

   

Additional Information

We offer:

• Culture of Relentless Performance: join an unstoppable technology development team with a 99% project success rate and more than 30% year-over-year revenue growth.
• Competitive Pay and Benefits: enjoy a comprehensive compensation and benefits package, including health insurance, and a relocation program.
• Work From Anywhere Culture: make the most of the flexibility that comes with remote work.
• Growth Mindset: reap the benefits of a range of professional development opportunities, including certification programs, mentorship and talent investment programs, internal mobility and internship opportunities.
• Global Impact: collaborate on impactful projects for top global clients and shape the future of industries.
• Welcoming Multicultural Environment: be a part of a dynamic, global team and thrive in an inclusive and supportive work environment with open communication and regular team-building company social events.

• Social Sustainability Values: join our sustainable business practices focused on five pillars, including IT education, community empowerment, fair operating practices, environmental sustainability, and gender equality.

   

* Miratech is an equal opportunity employer and does not discriminate against any employee or applicant for employment on the basis of race, color, religion, sex, national origin, age, disability, veteran status, sexual orientation, gender identity, or any other protected status under applicable law.

We are looking for a Unity Developer to build a high-quality mobile game inspired by the gameplay principles of Subway Surfers, optimized for both iOS and Android platforms.

The project focuses on creating a polished, engaging, and performant endless runner experience using Unity URP (Universal Render Pipeline), with smooth gameplay, responsive controls, and scalable architecture for future content updates.

🚀 Project Overview

• Genre: Endless Runner
• Platform: iOS & Android
• Engine: Unity
• Rendering Pipeline: URP (Universal Render Pipeline)
• Art Style: Stylized / Casual Mobile

🎯 Responsibilities

• Develop core endless-runner gameplay mechanics
• Implement lane-switching, jumping, sliding, and obstacle avoidance systems
• Create procedural or segment-based level spawning systems
• Implement collectible, progression, and reward systems
• Develop player progression, upgrades, and unlockable content
• Optimize gameplay and rendering performance for mobile devices
• Integrate UI, animations, VFX, and audio systems
• Collaborate with artists and designers to achieve the desired player experience
• Write clean, scalable, and maintainable code

🛠 Required Skills

• Strong commercial experience with Unity
• Experience developing mobile games for iOS and Android
• Deep understanding of C#
• Experience with Unity URP
• Strong knowledge of:
  • Character controllers
  • Mobile input systems
  • Object pooling
  • Performance optimization
  • Mobile memory management
  • Addressables
• Experience integrating third-party SDKs

🎮 Core Features

The project includes:

• Endless runner gameplay
• Character movement system
• Dynamic obstacle spawning
• Collectibles and currency systems
• Mission / achievement systems
• Cosmetic unlocks and progression
• In-game shop
• Daily rewards
• Save/load system
• Analytics integration
• Ads and In-App Purchases (IAP)

📱 Mobile Requirements

• Android & iOS support
• Touch-optimized controls
• 60 FPS target performance
• Fast loading times
• Optimized memory usage
• Support for multiple screen resolutions and aspect ratios

⭐ Nice to Have

• Experience developing games similar to:
  • Subway Surfers
  • Temple Run
  • Minion Rush
  • Sonic Dash
• Experience with Firebase
• Experience with live operations systems
• Experience with multiplayer or social features
• Published mobile games in the App Store or Google Play

📦 Deliverables

• Complete Unity project
• Clean, documented source code
• Mobile-optimized gameplay systems
• Integration of provided art assets
• Playable builds for iOS and Android
• Technical documentation where necessary

👤 Ideal Candidate

We are looking for someone who:

• Has shipped mobile games
• Understands player retention and mobile game loops
• Can balance quality and performance
• Communicates clearly and proactively
• Can work independently and deliver milestones on time

We are looking for a developer who can build a polished, scalable, and highly engaging endless runner experience ready for launch on mobile platforms.

We’re looking for a Product Data Analyst who can transform data into clear product direction in a fast-scaling environment. In this role, you’ll help shape how Zeely grows across user flows, experiments, and core product decisions — uncovering insights, identifying bottlenecks, and enabling smarter, data-driven decisions at every step.

Zeely AI is an all-in-one AI marketing platform that helps small businesses and marketing teams grow faster and achieve their goals through high-performing content and automation. Our platform enables users to create ad creatives, UGC videos, viral content, banners, and more, as well as launch effective paid and organic campaigns across Meta channels.

In simple terms, we’ve made world-class AI marketing tools and solutions accessible to businesses that previously could only get this level of support from large brands with expensive marketing teams.

A few things that define where we are today:

• 4 years on the market — a stable, profitable company backed by top international investors;

• 4x growth over the past year;

• 1,000,000+ businesses already use Zeely, and that number keeps growing every day;

• Top 3 in our category in the US market;

• 150+ specialists on the team;

• US-focused, with a global user base.

Your challenges:

• Uncover patterns in user behavior and product engagement;

• Evaluate acquisition and activation funnels;

• Turn data into product insights and growth hypotheses;

• Build decision-support dashboards (e.g., in Tableau);

• Run and analyze A/B tests with product teams;

• Establish strong analytics practices across the company.

You’re a match if you have:

• 3+ years in Data/Product Analytics;

• Solid SQL skills & experience with relational databases;

• Proficiency with Tableau, Looker, Power BI, or similar;

• Good grasp of statistics and experimentation (A/B tests);

• Understanding of product/growth metrics and LTV modeling;

• Intermediate+ English.

Bonus points for:

• Experience with pandas/numpy;

• Working knowledge of ETL processes or dbt.

Why It’s Exciting to Work With Us:

• Build AI-powered tools with real impact, helping over one million small businesses grow, compete, and launch ads without agencies or complex marketing setups.

• Join a strong A-level team of experienced professionals who set a high bar and push each other to do better work.

• Remote-first approach: work from anywhere, with access to our offices in Warsaw and Kyiv.

• We take care of the essentials. Paid time off, sick leaves, and financial support with private entrepreneurship matters.

• Regular performance reviews to ensure your growth is transparent and rewarded.

Process:

Recruiter Call → Hiring Manager Interview → Test Task → Team Interview → Reference check → Offer.

Ready to join one of the fastest-growing AI startups in Eastern Europe?

Let’s talk.

SnoopGame QA is in search of a Trainee/Junior QA. We specialize in manual game testing services, catering to publishers and developers worldwide.

Over the past decade, we've meticulously tested more than 1500 games spanning various genres, from Hyper Casual to AAA. Presently, we proudly stand as Ukraine's foremost company, equipped with remarkable achievements and the proficiency to conduct diverse manual testing across multiple platforms.

Our core mission is to deliver game QA precisely tailored to meet the standards necessary to ensure the quality of games that are accessible to all. Our objective is to contribute to a gaming world that is more enjoyable and accessible for everyone.

Responsibilities:

• Plan testing and compile test documentation.
• Participate in the testing process at all stages of development.
• Communicate with individuals involved in the development process.
• Verify corrected defects.
• Prepare error reports and more.

Required Skills:

• English proficiency: at least B2.
• Understanding of modern gaming applications.
• Knowledge of testing theory.
• Ability to write test documentation.
• A rich gaming experience in various genres.
• Desire to develop in game development testing with the best experts in this field.

We offer:

• Working hours: 10:00 AM to 7:00 PM (including 1-hour lunch break).
• Paid vacation: 20 workdays per year, 10 sick days per year.
• Gradual salary increase to $800 over 1.5 years.
• Using Confluence, Slack, and Trello for smooth communication and collaboration.
• English lessons with a native speaker and interactive sessions (exercises, quizzes, games).
• Performance reviews and rewards based on contributions.
• Corporate sessions with a psychologist, including 1-on-1 meetings and open feedback culture.
• Equipment provided.
• Public holidays are day off.
• Team-building events and corporate activities.
• A friendly team of gaming and tech enthusiasts.

We are looking for an experienced Senior Backend Engineer to join a fast-growing product company and help build scalable backend services, core platform capabilities, and new product features used by customers worldwide.

As part of a highly collaborative engineering team, you will take ownership of backend solutions from design to production, contribute to architectural decisions, and help ensure the reliability and performance of mission-critical systems.

Responsibilities

• Design, develop, and maintain backend services and APIs using Java.
• Build and deliver end-to-end features and new platform capabilities.
• Collaborate closely with product managers and engineering teams.
• Participate in architectural discussions and technical decision-making.
• Ensure service reliability, scalability, and performance.
• Participate in on-call rotations and production support activities.
• Contribute to engineering best practices, knowledge sharing, and continuous improvement.

Requirements

• 5+ years of hands-on experience in Java backend development.
• Strong experience with relational databases and SQL.
• Experience designing and developing RESTful APIs and web services.
• Solid understanding of Linux-based environments.
• Experience working in Agile development teams.
• Passion for writing clean, maintainable, and reusable code.
• Self-motivated, proactive, and results-driven mindset.
• B.Sc. in Computer Science or equivalent practical experience.

Nice to Have

• Experience with microservices architecture and distributed systems.
• Experience building and scaling highly available applications.
• Hands-on experience with caching technologies such as Redis or Memcached.
• Experience with messaging systems (RabbitMQ or similar).
• Familiarity with reactive frameworks such as Spring WebFlux or RxJava.
• Experience with Kafka, Spark, or other streaming/data-processing platforms.
• Experience with parser generators such as ANTLR or JavaCC.

United by a mission to solve global market challenges through technology, we are expanding our team with a Solution Architect who will play a key role in presales.

This role requires a proactive, business-minded expert who will collaborate closely with the CTO and help shape technical strategy for new opportunities.

Requirements:

• 7+ years in software development with proven experience as a Solutions Architect;
• Background in service-based IT companies, including participation in presales processes;
• Deep knowledge of modern architectural patterns: microservices, event-driven architecture, modular monolith, API-first design etc;
• Hands-on experience with cloud platforms: AWS, Azure, or GCP;
• Knowledge of data privacy, compliance, and security best practices;
• Experience with Architecture-as-Code (PlantUML, Mermaid etc);

Key Responsibilities:

◦ Presales & Client Engagement

• Analyze client requirements and translate them into a clear technical vision and architecture;
• Prepare technical proposals and documentation.

◦ Architecture & Technical Leadership

• Design system architecture, define technology stacks, integration patterns, and core components;
• Apply modern architectural patterns to meet business and technical requirements.

◦ Delivery Support

• Oversee the technical start of delivery to ensure architectural alignment and implementation consistency;
• Provide ongoing consultation and architectural guidance to delivery teams.

What we offer:

• Access to learning opportunities — internal and external training, certification reimbursement.
• 18 paid vacation days, 10 public holidays compensated, and up to 10 paid sick days.
• Up to $300/year for English classes + free speaking club.
• Up to $180/year for sports activities.
• Mentorship and knowledge sharing — people you can really learn from.
• Career maps and growth plans to support your professional development.
• New equipment provision, and accounting support if needed.
• Competitive market-level salary with regular reviews.
• Additional perks and compensations such as insurance fund, gifts etc.
• Psychological safety and supportive culture.
• Company values that align with yours.
• Social responsibility — support the Armed Forces

EvoPlay is an IT company that has been building an ecosystem of B2B products and services for the online gaming industry for over 10 years — including innovative gaming platforms, advanced marketing solutions, and analytical tools.
 

As we continue to grow, we are looking for a Customer Success Manager who will play a key role in bridging communication between our clients and product teams.
 

Responsibilities:
 

• Manage and develop long-term relationships with B2B clients using the platform
• Lead onboarding of new partners and support the launch of their programs
• Advise clients on how to effectively use platform features and maximize value
• Gather and analyze client feedback, translating insights into product improvements
• Collaborate with support, product, and engineering teams to resolve client issues
• Monitor client activity and proactively drive engagement and success
• Contribute to improving customer experience and internal processes
   

Requirements:
 

• 2+ years of experience in an IT company as a Customer Success Manager or in a similar role
• Hands-on experience working with B2B clients
• Understanding of SaaS products and digital platforms
• Basic knowledge of web technologies, APIs, and client-server architecture
• Ability to analyze technical issues and clearly communicate them to engineering teams
• Experience with task management tools (Jira, Linear, or similar) and cross-functional collaboration
• Understanding of SDLC and familiarity with Agile and Waterfall methodologies
• Strong analytical skills and ability to work with data and metrics
• English level: Upper-Intermediate or higher
   

We offer:
 

• 20 working days of paid vacation annually
• 22 sick leave days
• Medical insurance
• Corporate discount program
• Access to courses, training, and a self-learning library
• Internal mobility and rotation program
• Flexible working hours (start between 8:00–11:00)
• Group discussions and one-on-one sessions with a psychologist

Tax is much more than reporting and compliance when you operate global digital products used by millions of people worldwide. In this role, you’ll become part of an international business environment where tax intersects with high-growth subscription products, complex cross-border operations, and multiple jurisdictions. You'll work closely with experienced professionals, external advisors, financial institutions, and internal stakeholders, gaining hands-on exposure to international taxation while helping ensure compliance and operational excellence across a global group of companies.

In this role, you will

• Support tax compliance processes for group companies across multiple jurisdictions, including Cyprus, the USA, and Portugal
• Prepare and structure financial and transactional data required for tax calculations, reporting, and filings
• Assist with tax return preparation and coordinate with external tax advisors on VAT, GST, sales tax, corporate tax, and other tax matters
• Monitor tax deadlines, maintain the group tax calendar, and ensure timely completion of tax-related obligations
• Prepare and coordinate KYC/AML documentation requests from banks, payment providers, and business partners
• Monitor changes in tax legislation across relevant jurisdictions and prepare analytical summaries for internal stakeholders
• Participate in internal and external audits, support process improvements, and contribute to enhancing tax compliance efficiency
  
  It’s all about you
• Higher education in Finance, Accounting, Economics, or Law
• At least 1 year of experience in international taxation within Big4, an international group of companies, or a consulting firm
• Basic understanding of indirect taxes, including VAT, GST, and sales tax
• Understanding of corporate taxation principles and taxation of legal entities within international structures
• Knowledge of the basic principles of international taxation
• Understanding of IFRS / IAS principles and financial reporting fundamentals
• Strong Excel skills, including Pivot Tables, XLOOKUP or INDEX-MATCH functions, and data analysis formulas
• English proficiency at B2 level or higher for working with business documentation and international correspondence
• High attention to detail and accuracy when working with financial and tax documentation
• Ability to manage multiple tasks simultaneously and meet deadlines
• Proactive approach, strong sense of ownership, and willingness to learn and grow in an international tax environment
• Ability to handle sensitive information with confidentiality and professionalism
• Would be a plus
• Understanding of the taxation logic behind international B2C businesses, digital services, SaaS, subscription models, or mobile applications
• Experience with tax reporting in EU, US, or other international jurisdictions
• Experience working with payment systems, FinTech companies, or payment service providers (PSPs)
• Familiarity with ERP systems such as SAP, Microsoft Dynamics, 1C, or similar platforms
  
  What we offer
• Care and support: 
• 20 paid vacation days, 15 sick days, and 6 additional days off for family events
• Up to 10 additional days off for public holidays
• 100% medical insurance coverage
• Sports and equipment reimbursement
• Team building events, corporate gifts, and stylish merch
• Maternity Recovery Support Allowance
• Financial and legal support
• Position retention and support for those who join the Armed Forces of Ukraine
• Participation in social initiatives supporting Ukraine
  
   
• Comfortable working environment:
• Work from our Kyiv hub or remotely with a flexible schedule 
• Modern equipment or depreciation of your own tools
  
   
• Investment in your future:
• Collaborate with a highly-skilled team of Middle & Senior professionals, sharing practical cases and expertise in the social networking niche
• 70% of our heads and leads have grown into their roles here – so can you!
• Performance-oriented reviews and Individual Development Plans (IDPs)
• Reimbursement for professional courses and English classes
• Corporate library, book club, and knowledge-sharing events
  
  Hiring process
• Intro call
• Test Task
• Hiring Team Interview
• Final Interview
• Reference check
• Polygraph
• Offer
  
   

Job Description:

We are seeking a highly skilled Senior Python Developer with a minimum of 5 years of experience to join our dynamic team. The ideal candidate will have a strong background in Python development, along with expertise in the following tech stack: Mongo DB, FAST API framework, PostgreSQL, SqlAlchemy, Unit tests, and AWS.

Responsibilities:

Design, develop, and maintain scalable and robust backend solutions using Python and associated technologies.

Collaborate with cross-functional teams to define, design, and ship new features.

Ensure high performance and responsiveness of applications by optimizing code and database queries.

Write efficient, reusable, and reliable Python code following best practices.

Implement unit tests and conduct code reviews to ensure code quality and maintainability.

Work closely with DevOps teams to deploy applications on AWS infrastructure.

Troubleshoot and debug production issues and provide timely resolution.

Stay updated with the latest trends and technologies in Python development and suggest improvements to enhance system performance and efficiency.

Requirements:

Bachelor's degree in Computer Science, Engineering, or a related field.

Minimum of 5 years of experience in Python development.

Proficiency in working with Mongo DB, FAST API framework, PostgreSQL, SqlAlchemy, Unit tests, and AWS.

Strong understanding of object-oriented programming concepts and design patterns.

Experience with RESTful API development and integration.

Familiarity with containerization technologies like Docker.

Excellent problem-solving and analytical skills.

Strong communication and interpersonal skills, with the ability to collaborate effectively in a team environment.

Ability to work in a fast-paced and dynamic environment, handling multiple tasks simultaneously.

We are seeking an experienced Python developer to join our growing team.  The successful candidate will have a strong background in Python development, leadership skills, and a passion for delivering high-quality software solutions.

Key Responsibilities:

Lead and mentor a team of Python developers in the design, development, and delivery of software solutions.

Collaborate with cross-functional teams, including product managers, designers, and other engineering teams, to ensure project success.

Provide technical guidance and expertise to team members, fostering a culture of continuous learning and improvement.

Architect, design, and implement robust and scalable solutions using the project tech stack: Python, Mongo DB, FAST API framework, PostgreSQL, SqlAlchemy, Unit tests, and AWS.

Ensure code quality, performance, and adherence to coding standards through code reviews and continuous integration practices.

Collaborate with stakeholders to gather requirements and translate them into technical specifications.

Troubleshoot and resolve complex technical issues, ensuring the team meets project deadlines and goals.

Requirements:

Proven experience as a Python Developer with a strong understanding of Python best practices.

Previous experience in a leadership or mentoring role, guiding and developing junior developers.

Solid understanding of the project tech stack, including Python, Mongo DB, FAST API framework, PostgreSQL, SqlAlchemy, Unit tests, and AWS.

Experience in designing and implementing scalable and maintainable software solutions.

Strong problem-solving skills and the ability to thrive in a fast-paced, collaborative environment.

Excellent communication skills, with the ability to convey technical concepts to both technical and non-technical stakeholders.

Nice to Have:

Certification in Python or relevant technologies.

Experience with Martech.

About the Project:

Glasses Project is a Ruby on Rails application for creating and publishing customized eyewear models. Users can build product variations based on a set of components (frames, temples, lenses, colors, etc.) and publish them to a WordPress-based online store.

Responsibilities

• Maintain and improve existing functionality, fix bugs
• Monitor the correct product publishing flow between the app and WordPress
• Develop new features according to client requirements

• Potentially participate in building Glasses Shop — a separate Ruby on Rails app for selling eyewear (as an alternative to WordPress)

   

Requirements

• 2+ years of commercial experience with Ruby / Ruby on Rails
• Experience working in a project cooperation model
• Basic understanding of Redis and its methods
• Experience with Sidekiq or understanding of how background jobs work
• Ability to work independently and deliver results

• English proficiency sufficient for reading technical documentation

   

Nice to have

• Basic familiarity with WooCommerce API (or willingness to explore the documentation as needed)

We offer

• Flexible part-time schedule
• Remote work
• Hourly rate 7-12 USD

• Friendly and supportive team

   

Please note: we use a time tracker.
 

🚀 Join our team!

Some roles let you pick one platform. This one lets you own them all.

Massive is a fast-growing proxy and AI data infrastructure company. Our Monetization SDK powers millions of users across desktop, mobile, and smart TV — and we're looking for a Senior SDK Engineer to own it.

This isn't a ticket-driven maintenance role. You'll make real architectural decisions, ship across four platforms, and directly impact how millions of users experience our core product. Small team, high ownership, no layers between you and the work that matters.

Responsibilities

✔ Maintain and enhance our existing SDKs across Android/FireOS (Kotlin), Tizen/WebOS (JavaScript), Windows (C++), and iOS (Swift).

✔ Develop new features and capabilities based on business requirements and partner feedback.

✔ Collaborate with backend, infrastructure, and product teams to improve SDK performance, reliability, and user experience.

✔ Research and implement optimizations to minimize resource consumption while maximizing efficiency.

✔ Design and implement robust testing strategies for multi-platform SDK releases.

✔ Create and maintain comprehensive documentation for internal teams and external partners.

✔ Investigate and resolve complex platform-specific issues across different operating systems and devices.

✔ Drive architectural decisions for SDK design patterns and cross-platform compatibility.

Requirements

✔ 4+ years of experience in software engineering with a focus on SDK or library development.

✔ Proficiency in at least one primary language: Kotlin (strongly preferred), JavaScript, or C++ — with willingness to learn others.

✔ Experience with mobile and/or TV platform development.

✔ Strong understanding of memory management, threading, and performance optimization across platforms.

✔ Experience with SDK distribution mechanisms (package managers, build systems, dependency management).

✔ Strong debugging and troubleshooting skills across multiple environments.

✔ Self-directed and comfortable working in a fast-paced startup environment.

Why join Massive?

Fully Remote

You work best when you work where you want. We support a fully remote team so you can live and work where is best for you.

Work from Home Stipend

Being a fully remote team, we want to ensure your home office is comfortable. We provide a $500 WFH stipend to get your space upgraded!

Unlimited Vacation

Take the time you need: relax, rest and recover! We want our team working at their best so take the days you need.

Health Insurance

Our team is our most valuable resource so we do our part in helping cover health insurance for all team members. We offer different benefits based on if you are located in the USA or International.

Health & Wellness Benefit

We care about your well-being. Every team member receives $50 per month toward health and wellness, whether it's for fitness, mindfulness, or self-care.

Continuous Learning

We believe in always growing. That's why we provide $50 per month toward education — online courses, books, or workshops to keep your skills sharp.

Access to Cutting-Edge Tools

As part of our mission, you'll have access to the latest AI and technology tools, helping you stay ahead and do your best work.

Ready to Apply?

Let’s connect and discuss the details!