Jobs Developers

Bumpy is currently the fastest-growing dating app in the market, with over 20,000,000+ installs in just a few years. We are scaling even faster, and you have the chance to be part of this exciting journey.

Historically, international online dating has been plagued by hookup culture, language and cultural barriers, bots, and scams. Our mission is to change that. Regardless of skin color, language, or location, we aim to help people find their international soulmate easily and safely.

What will you do:

• Lead mobile team and implement best practices;
• Take care and control code quality;
• Develop & improve of our existing mobile products;
• Coordinate with other teams (Backend/QA/Design);
• Release mobile apps to AppStore & GooglePlay;
• Keep low-level error rates and monitoring.

Who are you:

• Proactive Engineer;
• Strong problem-solver;
• Leader with effective team collaboration;
• Analytical and communication mindset person;

Knowledge we need:

• React Native;
• Typescript;
• Deep understanding of React Native architecture;
• Understanding how to develop high performing code on React Native stack;
• MobX.

Optional:

• Native Java for Android;
• Native Objective-C for iOS;
• Experience in native modules/views development for both Android & iOS;
• Experience in TDD & CI/CD;

• Detox / Jest.

   

We offer:

• One of key roles in company;
• Lead the development of the mobile product;
• Real opportunity to ship competitive product to global market;
• Remote work;
• Flexible working schedule;
• Startup spirit;
• Own features end-to-end;
• You’ll work close with CTO.

We also require an experience in a developing products from very beginning and til supporting your code in production with real customers.

Let’s Bump!

NerdySoft is looking for a Senior/Lead .NET Engineer to join our mission of building an innovative financial technology platform used by global institutions.

Requirements:

• 5+ years of commercial experience with the .NET platform (C#);
• Proficiency with C# 9–10, .NET 6–8;
• Experience working with databases: Azure SQL, Cosmos DB, PostgreSQL;
• Automated testing (functional, performance, resiliency);
• Good understanding of microservice architecture;
• Practical skills with serverless solutions (Azure Functions, Azure Container Apps);
• Messaging systems (Azure Service Bus, Event Grid, Event Hub);
• Working knowledge of Infrastructure as Code (Terraform, Helm);
• Secure coding;
• Cloud computing expertise (preferably Azure);
• Understanding of event-driven architecture;
• Experience in building integration solutions with external systems;
• FinTech background is mandatory;
• Ability to mentor less experienced engineers;
• ​​Strong communication skills;
• English level — B2+.

Nice to have:

• Experience of threat modelling;
• Any knowledge/experience working on globally distributed systems.

Responsibilities:

• Design, develop and deliver new product services, as well as enhance existing platform components;
• Work within one of our engineering teams to develop a cloud-native fintech platform used by global financial institutions;
• Contribute to architectural and technical decisions, ensuring scalability, performance, and security;
• Take ownership of the full development lifecycle — from design and implementation to production monitoring and support;
• Work as part of one of the client’s engineering teams to deliver iterative value while staying aligned with long-term product goals;

• Mentor and support less experienced engineers, sharing knowledge and improving engineering standards.

   

We offer:

• Comfortable workplace and modern office facilities;
• Flexible working hours with no overtime and the ability to work remotely;
• Regular salary review based on employee performance;
• 50% compensation for certifications, conferences, training, and other working events;
• 50% compensation for English courses;
• 18 working days of annual paid (and additional days of leave for company loyalty);
• Paid sick leaves;
• Medical insurance and sports compensation;
• And much more!

New long-term project for an Energy client, where we will create a microservice platform to support various business cases. You will be part of a team, where we’ll have C# engineers, AQAs, POs, and Scrum Masters.

Requirements:

• 5+ years of experience as .Net developer. At least 2 years as a Lead developer 
• Proven experience in working with architects from the client-side
• Proven experience with Azure, Azure DevOps
• Proven experience working on a microservice-based project
• Ability to mentor mid-junior engineers
• OOP Development, Design Patterns, Best Practices
• Good English to work with clients directly

Job responsibilities:

• Strong problem-solving and follow-up skills; must be proactive and take initiative
• Professionalism and ability to maintain the highest level of confidentiality
• Create robust code and translate business logic into project requirements
• Develop code using development best practices, and an emphasis on security best practices
• Leverage technologies to support business needs to attain high reusability and maintainability of current and newly developed systems
• Provide system design recommendations based on technical requirements
• Work independently on development tasks with a minimal amount of supervision
• Write effective unit tests and integration tests to ensure high-quality software delivery
• Support Lead, Scrum Master and PO

New long-term project for an Energy client, where we will create a microservice platform to support various business cases. You will be part of a team, where we’ll have C# engineers, AQAs, POs, and Scrum Masters.

Requirements:

• 4+ years of experience as .Net developer. 
• Proven experience in working with architects from the client-side
• Proven experience with Azure, Azure DevOps
• Proven experience working on a microservice-based project
• Ability to mentor mid-junior engineers
• OOP Development, Design Patterns, Best Practices
• Good English to work with clients directly

Job responsibilities:

• Strong problem-solving and follow-up skills; must be proactive and take initiative
• Professionalism and ability to maintain the highest level of confidentiality
• Create robust code and translate business logic into project requirements
• Develop code using development best practices, and an emphasis on security best practices
• Leverage technologies to support business needs to attain high reusability and maintainability of current and newly developed systems
• Provide system design recommendations based on technical requirements
• Work independently on development tasks with a minimal amount of supervision
• Write effective unit tests and integration tests to ensure high-quality software delivery
• Support Lead, Scrum Master and PO

We’re expanding our engineering team and looking for developers who are comfortable building production-grade React and Node.js applications for early-stage companies in healthcare, fintech, and AI.

Although the role is primarily front-end oriented, the ability to contribute to backend services in Node.js is important.

You’ll join a team with clear processes, a modern stack, and a strong engineering culture.
 

What you will do

• Develop web applications using React and related tooling.
• Build and maintain backend services and APIs with Node.js (Nest.js or similar frameworks).
• Work with cloud environments and containerized setups using tools like Docker, Kubernetes, AWS, or GCP.
• Participate in architectural discussions, propose improvements, and help maintain technical standards.
• Implement new features from specification to production.

What we expect

• Solid knowledge of JavaScript (ES6+) and TypeScript.
• Strong practical experience with React
• Familiarity with Node.js (Nest.js or Express).
• Experience developing APIs using Node.js frameworks.
• Understanding of relational or NoSQL databases (Postgres, MongoDB, Firebase, Supabase).
• Ability to write maintainable, well-structured code and follow best practices.
• English at an Intermediate level or higher.

Additional advantages

• Experience with major cloud providers (AWS, Google Cloud).
• Experience with React Native
• Practical understanding of Docker/Kubernetes.
• Familiarity with CI/CD pipelines (GitHub Actions, GitLab CI, CircleCI).

What we offer

• Engaging projects built with a modern, well-supported tech stack.
• A review process that ensures consistent feedback and knowledge sharing.
• A culture focused on continuous learning and professional development.
• Full remote work with a team distributed across multiple countries.
• Competitive compensation in USD with periodic performance reviews.
• Flexible payment methods tailored to your location.
• Work schedule aligned with your time zone.
• English practice sessions.
• Paid sick leave and annual vacation (15 business days).
• Regular team activities online.
• Coverage of monthly psychologist support sessions.

GlobalLogic has been engaged in exploring opportunities to implement ML/AL/GenAI-powered applications for multinational industrial conglomerate since 2023, aiming to enhance business efficiency. 

You will be working on projects implying complex data processing pipelines for predictive maintenance anaylitics.
 

Projects tech stack: Kubernetes, Terraform, Helm, LLM, ML, AI, Asyncio, Python, Pandas, HayStack, Azure Blob Storage, Azure DevOps, SQL Alchemy, Docker, Docker Compose, PySpark, PostgreSQL, FastAPI

Requirements:

• 4+ years of professional software engineering (Python-centric), including production services at scale
• 2+ years working with GPU-accelerated AI/ML workloads (training and/or high-throughput inference)
• Proven experience ingesting and processing meteorological/climate datasets (NetCDF/GRIB/Zarr) with xarray/dask
• Track record deploying GPU inference with Triton on Kubernetes (autoscaling, A/B, canary, monitoring)
• Strong system design skills (throughput/latency/SLA thinking) and clean, testable code
• Would be good – Bachelor’s/Master’s in CS, Math, Physics, Atmospheric Science, or equivalent practical experience

Job responsibilities:

You will be engaged into the following activities:

• Design, build, and own Earth-2–backed microservices that deliver real-time weather insights into product workflows
• Operationalize AI models (e.g., FourCastNet/CorrDiff or similar): packaging, optimization (mixed precision, TensorRT), and Triton deployment
• Ingest & curate meteo data pipelines, implement preprocessing (regridding, normalization, gap-fill) with xarray/dask
• Optimize GPU performance end-to-end: memory, throughput, batching, concurrency; profile and remove bottlenecks
• Expose APIs (REST/gRPC) with FastAPI, implement versioning, auth, and rate-limiting; write clear SDK/client wrappers
• Integrate geospatial analytics to align predictions with assets, sites, and routes in energy use-cases
• Harden production logging, metrics, tracing, incidents, cost & capacity planning
• Collaborate with data scientists, product, and platform engineers to prioritize impact and ship incrementally
• Document models, data contracts, runbooks, and validation results; contribute to internal best practices and code reviews

What You’ll Work On:

• Climate-aware risk scoring
• Environment-aware automation
• Temporal & geospatial context layers

Tools

• NVIDIA: Earth-2, Omniverse, Modulus, Triton, CUDA, TensorRT
• Python/AI: PyTorch/JAX, xarray/dask, CuPy/Numba, RAPIDS, MLflow
• Geo/Climate: NetCDF/GRIB/Zarr, CF conventions, GDAL/Rasterio, GeoPandas
• Platform: FastAPI, Docker, Kubernetes, Terraform, Helm, Azure Blob, Azure DevOps, PostgreSQL/PostGIS, PySpark

Perion is an international technology company delivering cutting-edge digital marketing solutions. We are actively growing and expanding our team in Ukraine, collaborating with colleagues from the USA and Israel. If you want to work with modern technologies, real products, and a supportive professional team — this role is for you.

Company website: https://perion.com

Key functions:

• Develop user interfaces and write clean, well-structured JavaScript code using various libraries.
• Build interactive UI elements, animations, and engaging visual experiences.
• Collaborate closely with Project Managers and cross-functional teams to bring ideas to life.

Requirements:

• 0.5+ years of any commercial experience.
• Ability to hand-code HTML and CSS from scratch.
• Experience working with design layouts in Photoshop, Adobe XD, etc.
• Advanced JavaScript knowledge.
• Upper-Intermediate English or higher.

Would be a plus:

• Experience in web development (internship or courses are also acceptable).
• General knowledge of AI things.
• GSAP and other animation libraries.
• Video editing & compression.
• After Effects.
• PIXI JS, Three JS, Phazer.

• Experience with API.

   

We offer:

• Competitive salary.
• Career and professional growth opportunities, including mentoring and training.
• The chance to work on exciting international projects with real impact.
• US working hours for smooth communication with the team.
• A supportive, friendly environment where your ideas matter.

Here’s what our hiring journey looks like:

-> Initial Screening
-> Interview with HR
-> Test task
-> Technical interview
-> Manager interview
-> Job Offer

Interested? :)

Please send us your CV in English, along with your salary expectations.


Some links to see demos (turn off your Adblock)

demo.perion.com/creative/97339
demo.perion.com/creative/92023
demo.perion.com/creative/105704
demo.perion.com/creative/107747
demo.perion.com/creative/115064
demo.perion.com/creative/109595
demo.perion.com/creative/133942

Our Technological R&D Center is where innovation takes shape. It’s the heartbeat of our technical evolution, where we don’t just follow trends — we define how they work within the Apple ecosystem. 

As a Senior Research Engineer, you will work in a cross-functional squad with engineers and researchers, where you can blend deep engineering research with high-impact commercial delivery, without the friction of bureaucracy. Your research won't just sit on a shelf; it will power the next generation of MacPaw products.

In this role, you will:

• Research and implement technical solutions for on-device AI model execution on macOS
• Build functional prototypes and adapt them to the evolving requirements. You will bridge the gap between R&D hypotheses and stable, high-performance technology
• Develop internal tools and frameworks for the TR&D team to accelerate the testing of new AI approaches and facilitate the early adoption of innovative technologies across MacPaw
• Partner with AI researchers, designers, and product teams to clarify technical details, define edge cases, and propose architectural solutions in high-uncertainty environments
• Conduct deep-dive sessions for the engineering team on research findings, document successful implementation cases, and act as a technical expert in joint projects with academic institutions

Skills you’ll need to bring:

• Strong knowledge of the Apple ecosystem
• Profound background with Swift/Objective-C
• Practical experience with building application prototypes from scratch
• Upper-intermediate English & fluent Ukrainian

As a plus:

• Basic understanding of ML concepts (embeddings, tokens, LLM architecture)
• Practical experience with Python
• Experience working with MLX
• Knowledge of macOS internals
• Background in product-focused companies

What We Offer:

• We are a Ukrainian company, and we stand with Ukraine against the russian aggression
  We maintain workplaces for the mobilized Macpawians and provide financial support to colleagues or their families affected by the war. Here, you can also read about the MacPaw Foundation, which intends to help save the lives of Ukrainian defenders and provide relief to as many civilians as possible.
• We are committed to our veterans
  Our Veteran Career and Empowerment Program is designed to ensure our veterans and active military personnel receive the recognition, support, and opportunities they deserve.
• Hybrid work model
  Whether to work remotely or at the hub is entirely up to you. If you decide to mix it, our Kyiv office, which works as a coworking space, is open around the clock. The office is supplied with UPS and Starlink for an uninterrupted work process.
• Your health always comes first
  We guarantee medical insurance starting on your first working month. For those abroad, you can receive a yearly Medical insurance allowance as compensation for managing your medical expenses.
• Flexible working hours
  You can choose a schedule that is comfortable for you. No one here tracks your clock in/out because MacPaw is built on trust and cooperation.
• Space to grow both professionally and personally
  Education opportunities to grow both hard and soft skills, annual development reviews, and internal community.
• Teams we are proud of
  We build honest, transparent, and reliable relationships within teams. Every Macpawian can improve processes and implement their ideas. We encourage open and constructive feedback and provide training for Macpawians on giving and receiving feedback.
• Office designed for people (and pets)
  Our office has it all: a spacious workplace with enough room for sitting up, lying down, and running around; a gym for recreation; cozy kitchens; a sleeping/meditation room; and a terrace with a view where we throw summer parties. Also, we have two cats living in the office, and you are welcome to bring your pets to the office (we have separate floors for cats and dogs).
• Time-off policy that covers life’s needs
  Convenient personal time-off policy to help you take care of essential matters in your personal life, and parental leaves. On top of all that, sabbaticals are open after 5 years of being with MacPaw.
• Join social initiatives with MacPawCares
  MacPaw participates in numerous humanitarian aid and charity projects across many fields, and you are welcome to jump in to make the world a better place.
• We’re an equal-opportunity employer. Here is a safe place for applicants of all backgrounds
  We are hiring talented humans. Meaning with all our variety of backgrounds and identities, including service members and veterans, women, members of the LGBTQIA+ community, individuals with disabilities, and other often underrepresented groups. MacPaw does not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.
  
  *Some benefits are under development, and new adjustments are possible.

We are looking for a Lead Full Stack Software Engineer (React + Node.js skills) to join our team! 
 

Our customer is the European online car market with over 30 million monthly users, with a market presence in 18 countries. As a Lead Engineer, you will play a pivotal role in shaping the future of online car markets and enhancing the user experience for millions of car buyers and sellers.
 

Responsibilities:

• Maintenance of existing services (e.g., bug fixes, security updates, improvements in Java, Scala, and TypeScript)
• Migrating legacy services to new technologies 
• Creating and managing online ads for private users (Web)
• Running user profile services to store and manage user data
• Be able to communicate with UX Designer to challenge hard-to-implement design elements and agree with them on lower-effort alternatives

Requirements: 

• 5+ years of commercial development experience
• TypeScript, React, and Node.js - Backend for Frontend pattern used - strong must
• Good HTML and CSS skills
• DevOps background - nice to have
• Java experience - nice to have
• Experience with AWS (Dynamo DB, EKS, RDS) - nice to have
• Great interpersonal and communication skills
• Upper-Intermediate level of English is a must

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’re looking for a Junior Salesforce dev who wants real tasks, real growth, and a team that actually supports you! You will jump into a live project with experienced SF engineers, work on real Apex/LWC features, and level up way faster than you expected!

Location: Lviv (office or remote)
Format: Full-time

The client is a large international nonprofit membership organization focused on knowledge sharing and professional development in the field of engineering (USA). You will work on the Salesforce part of the system, collaborating directly with the client’s engineering team

Our team: 5 developers (custom development on several projects), 9 QA engineers
Client team: 10-15 Salesforce developers, an experienced Salesforce technical manager who supports architectural decisions

Required skills:
1–2 years of hands-on commercial Salesforce development experience
Experience writing Apex classes, triggers, and SOQL queries
Basic knowledge of LWC (simple components, calling Apex)
Understanding of Flows and when to use declarative vs coded solutions
Basic knowledge of the Salesforce data model and security (CRUD/FLS)
Ability to work with core configuration (validation rules, layouts, profiles, permission sets)
Basic JavaScript knowledge
Experience writing unit tests
English — Upper-Intermediate (B2) or higher — written and verbal communication

Would be a plus:
Experience with VS Code, Git, Salesforce Extensions
Knowledge of SFDX or Change Sets
Basic understanding of REST API and Apex callouts
Salesforce certifications (Platform Developer I, Administrator)

Responsibilities:
Develop and maintain small to medium features on Salesforce
Write and update Apex classes, triggers, and unit tests
Build and support simple LWC components and Flows
Configure core Salesforce functionality: validation rules, layouts, permissions
Troubleshoot issues in configuration and custom code
Work closely with developers, admins, QA, and product owners

If you would like more details, please feel free to contact me or submit your resume through the site.
The next step is a short interview with me, 15-30 minutes.
Then — an interview with your future manager — 60 minutes.
In case of success — offer!

I will organize all stages ASAP

We highly value transparency and communication. Our recruitment process includes feedback at every stage, ensuring you are consistently informed and engaged.

So if you’re a person who loves teamwork and communicating with interesting people, you’re more than welcome to our team :)

Olha Melnychuk
HR Managers, DevCom

Location: Remote

About Elevated Living Product

Elevated Living has been improving the resident experience for over seven years. We created a single, all-in-one platform that makes it easy for property managers and resident staff to work together. Our goal is simple: to provide the best experience for residents by replacing multiple, confusing apps with one easy solution.

This is a stable, long-term project that continues to grow, and you'll have the chance to be part of its ongoing success.

Our primary technology stack revolves around JavaScript. We use React for the front-end, Node.js for the back-end, and React Native for mobile development.

About the role: 

We’re looking for a senior React Native engineer to strengthen our platform engineering team. You’ll architect core mobile systems, build native-to-RN bridges, manage Fastlane pipelines, and lead OTA update strategies for a high-impact US product.

What skills are essential to us?
 

• 5+ years of development experience with React Native
• Practical knowledge of Vanilla JavaScript and TypeScript
• Experience working with REST APIs
• Hands-on experience with state management: Redux, Context API or MobX
• Strong understanding of ECMAScript specifications
• Good knowledge of Git and modern branching workflows
• English — Upper-Intermediate+

Advanced platform & mobile engineering skills (core for this Senior role):

• Understanding of Fastlane build pipelines
• Ability to write Native to React Native Bridges (iOS and/or Android)
• Experience with CodePush and/or Expo Updates

Bliscore is building a talent pool of Middle .NET / React Engineers for upcoming web projects.

We’re looking for engineers who combine strong backend expertise with solid frontend skills and are ready to take ownership of features in growing B2B products.

• Stack: .NET 8, React, TypeScript, PostgreSQL, Azure, Docker.
• Type: Long-term product-focused development.
• Setup: Hybrid (Lviv) or remote.

Your day-to-day tasks will include:

• Developing Estimation Engines: Building backend logic in .NET to handle multi-currency calculations, resource loading, and project timelines.
• Dynamic UI Components: Using React and TypeScript to build complex "Estimation Builders" where users drag-and-drop tasks to see real-time budget updates.
• Data Visualization: Implementing charts and progress bars to help managers visualize project health.
• Database Management: Optimizing PostgreSQL queries to handle large sets of historical estimation data.

• Feature Ownership: Taking a task from a Jira ticket to a production-ready feature through code reviews and CI/CD.

   

What’s in it for you (Perks & Benefits):

• Single Product: No outsourcing. You work on one codebase and see the long-term results of your decisions.
• Support: You’ll have a lead to consult with and a clear plan for your next salary/level review.
• Lviv & Remote: We have a modern office in Lviv (with paid lunches), but you’re free to work from home.
• High-End Tech: We provide a powerful laptop and any extra equipment you need.
• Rest: 18 vacation days + 10 personal days off + 5 sick leaves.
• Education: We pay for your professional courses and certifications.
• Support: Full accounting support. We handle the taxes, you get the salary.

Hiring Process :

1. Intro Call with Recruiter (15-30 min) 📞
2. Technical Task (1-1.5 hours) 💻
3. Technical Interview with Tech Lead (1 hour) 🤝

# ai researcher in metalearning 

- client: ai product development company from germany
- product: cogit - ai agent-based automation platform
- experience: machine learning, self-optimization systems, prompt engineering, llm evaluation
- tasks:
   - architect the agent.maker meta-framework with sub-agents (instruction.maker, config.maker, screen.maker)
   - develop self-improvement loops for iterative prompt refinement
   - build evaluation framework for agent output quality (instructions.md, config.yaml generation)
   - implement llm observability and tracing (phoenix/arize integration)
   - create quality metrics for generated agents (tool usage accuracy, task completion rate)
   - develop prompt mutation strategies based on execution feedback
   - build fitness evaluation for config parameters (model selection, temperature tuning)
   - implement learning mechanisms from agent execution logs
   - create benchmarks comparing models (gemini vs claude) for different agent tasks
- languages: python
- libraries: google adk, anthropic sdk, phoenix tracing, pydantic, yaml

# senior full-stack developer

- company: ai product development company from germany
- product: cogit - ai agent-based automation platform
- experience: web development, python backend, typescript frontend, ai agent interfaces
- tasks:
   - build frontend and backend components for agent management dashboard
   - develop cogit.panel interface for agent interaction (react/typescript)
   - implement endpoints for agent communication and creation
   - build real-time status updates during agent workflows
   - implement session management and conversation history
   - create user authentication flow with jwt tokens
   - improve multi-tenant data isolation across frontend and backend
   - improve azure services (blob storage, ai search, email)
   - improve email processing interface with outlook/graph api
- languages: typescript, python 
- libraries: react, nestjs, redux toolkit, prisma, azure sdk, fastapi, google adk 

🚀 Senior Software Engineer | Cybersecurity Startup
📍 Location: Israel | Work model: Hybrid

We’re looking for a Senior Software Engineer with a Cybersecurity background and a true startup mentality. Join a fast-growing team building cutting-edge SaaS solutions that protect modern software development environments.

What we’re looking for:

5+ years in software engineering

Experience with C#, Python, Node.js, Java, or Go

Solid frontend skills (React, TypeScript, or similar)

Knowledge of relational databases & data modeling

Familiarity with cloud platforms (AWS/GCP/Azure) & containerized environments (Docker/Kubernetes)

Cybersecurity experience is a must

Bonus: exposure to AI/ML, LLM-powered agents, or security-focused engineering

Strong communication skills, collaborative mindset, and ability to lead technical decisions

Why join:

Work on cutting-edge challenges in AI, DevSecOps & cloud-native systems

Hybrid work model in Israel

Be part of a fast-paced startup shaping the future of software security

💡 Startup mentality required – you’ll move fast, innovate, and have real impact!