StrongSD

Joined in 2019
42% answers
StrongSD is an international outsourcing company providing professional web and mobile development service for clients from the US, Singapore and Western Europe.
Our philosophy is “quality over quantity” and “people over money” in everything.
StrongSD invest time and money to own products, contributing to open source projects and educational programs. We’re a mature team of 80 people with a great mix of previous professional experience. Our backgrounds are diverse, both culturally and professionally. One thing we all have in common, though, is that we are passionate about making StrongSD successful IT company.
  • · 150 views · 22 applications · 8d

    Senior Java Engineer (Poland)

    Full Remote · Poland · 7 years of experience · English - B2
    Description You value simplicity and effectiveness, and you’re excited by the opportunity to make a meaningful impact. You can reason through trade-offs, build for scale,and adapt quickly to evolving priorities. Requirements: 5+ years of backend...

    Description

    You value simplicity and effectiveness, and you’re excited by the opportunity to make a meaningful impact. You can reason through trade-offs, build for scale,and adapt quickly to evolving priorities.

     

    Requirements:

    • 5+ years of backend development experience with a strong command of Java and the Spring ecosystem.
    • Proven track record of shipping production-grade systems in cloud environments.
    • Experience with distributed systems and messaging frameworks such as Apache Kafka (via AWS MSK).
    • Strong understanding of containerization, orchestration (Kubernetes), and deployment workflows.
    • Familiarity with observability tools and incident response best practices.
    • Excellent communication skills and a collaborative mindset.
       

    Duties:

    • Design, implement, and maintain backend services that are secure, scalable, and mission-critical.
    • Collaborate with cross-functional teams to deliver end-to-end solutions from concept to deployment.
    • Work across the stack from backend systems to infrastructure components such as ALB/NLB, and Kubernetes.
    • Take ownership of projects, driving architecture, design, and implementation decisions.
    • Write clean, maintainable, and well-tested code in Java, and contribute to automation and tooling in Python when necessary.
    • Monitor production systems, respond to incidents, and continuously improve system reliability and performance.
    • Participate in On-Call rotation to ensure high availability and rapid response to production issues.
    • Participate in code reviews, knowledge sharing, and mentoring of junior engineers.

     

    Benefits:

    • A competitive salary and flexible compensation package
    • Professional development tools (mentorship program, tech talks and trainings)
    • Medical insurance
    • Free corporate English classes and speaking clubs with a native speaker
    • Various corporate events
    More
  • · 38 views · 20 applications · 13d

    SEO Specialist (Product / FinTech / Framer)

    Full Remote · Ukraine · 3 years of experience · English - B2
    We are a fast-growing AI-driven financial services product company building modern infrastructure for global businesses. We combine financial technology - company incorporation, business accounts and cards, spend management, accounting, and tax - with...

    We are a fast-growing AI-driven financial services product company building modern infrastructure for global businesses.

    We combine financial technology - company incorporation, business accounts and cards, spend management, accounting, and tax - with AI-powered advisory services. Our mission is to simplify financial operations so founders can focus on growing their companies.

    Our team includes former founders, fintech operators, engineers, accountants, and creatives working together in a fast-moving, high-ownership environment.

    We are looking for a product-focused SEO Specialist who will work directly with leadership and product design to drive organic growth and search visibility.

    This is not a content-only SEO role. You will help shape product and marketing decisions through search data and translate SEO strategy into implementation-ready tasks for engineering execution.


    You will collaborate directly with:

    • CEO / Leadership - growth priorities, product direction, market positioning
    • Product Designer - landing structure, UX flows, information architecture
    • Engineering & Framer Developer - implementation of SEO tasks and technical improvements

      Requirements
       
    • 3-5+ years SEO experience (product or startup environment preferred)
    • Strong technical SEO knowledge
    • Experience working cross-functionally with product, design, and engineering
    • Ability to translate SEO insights into technical implementation tasks
    • Strong analytical thinking and data-driven mindset


      Nice to Have
       

    • FinTech / SaaS / Web3 experience 
    • Framer understanding (not mandatory)
    • Conversion optimisation mindset
    • Experience working in fast-moving startup environments
       


      Duties
    • Define SEO roadmap aligned with product and growth goals
    • Conduct keyword and search intent research
    • Perform competitor and SERP analysis
    • Identify organic growth opportunities
    • Define site structure and internal linking strategy
    • Define metadata, schema markup, and indexing strategy
    • Plan Core Web Vitals optimisation strategy
    • Prepare implementation-ready tasks for engineering and Framer developer
    • Track performance via Google Search Console, GA4, and SEO tools
    • Deliver insights and optimisation recommendations

       


       

    More
  • · 92 views · 18 applications · 26d

    Sr. Software Engineer (Java) Python is a plus

    Full Remote · Poland · 6 years of experience · English - B2
    Who You Are: You are a backend engineer with a deep understanding of distributed systems and microservices architecture. You value simplicity and effectiveness, and you’re excited by the opportunity to make a meaningful impact. You can reason through...

    Who You Are:

    You are a backend engineer with a deep understanding of distributed systems and microservices architecture. You value simplicity and effectiveness, and you’re excited by the opportunity to make a meaningful impact. You can reason through trade-offs, build for scale,

    and adapt quickly to evolving priorities.

    Responsibilities:

    • Design, implement, and maintain backend services that are secure, scalable, and mission-critical.
    • Collaborate with cross-functional teams to deliver end-to-end solutions from concept to deployment.
    • Work across the stack from backend systems to infrastructure components such as ALB/NLB, and Kubernetes.
    • Take ownership of projects, driving architecture, design, and implementation decisions.
    • Write clean, maintainable, and well-tested code in Java, and contribute to automation and tooling in Python when necessary.
    • Monitor production systems, respond to incidents, and continuously improve system reliability and performance.
    • Participate in On-Call rotation to ensure high availability and rapid response to production issues.
    • Participate in code reviews, knowledge sharing, and mentoring of junior engineers.

    Technologies We Use:

    Languages: Java, Python

    Frameworks: Spring Framework, Apache Mina, Netty●

    Cloud & Infrastructure: AWS (MSK, S3, Aurora/PostgreSQL, ALB/NLB), Docker,

    Kubernetes, Helm

    Monitoring & CI/CD: Grafana, CircleCI

    Proxies & Messaging: Envoy

    Qualifications:

    5+ years of backend development experience with a strong command of Java and the Spring ecosystem.

    Proven track record of shipping production-grade systems in cloud environments. Experience with distributed systems and messaging frameworks such as Apache Kafka

    (via AWS MSK).

    Strong understanding of containerization, orchestration (Kubernetes), and deployment

    workflows.

    Familiarity with observability tools and incident response best practices.

    Excellent communication skills and a collaborative mindset.

    Performance Indicators:

    • Timely delivery of scalable, maintainable backend systems.
    • System reliability, performance, and uptime metrics.
    • Responsiveness to incidents and ability to mitigate production issues.
    • Contributions to improving engineering processes and infrastructure.
    • Leadership in architectural and design discussions.
    More
  • · 206 views · 36 applications · 26d

    Senior Software Engineer (Node.js)

    Full Remote · Countries of Europe or Ukraine · 8 years of experience · English - B2
    Description: We are looking for a Senior Software Engineer to design, build, and evolve a robust serverless backend infrastructure. You will take ownership of cloud engineering initiatives, ensure system reliability and scalability, and help shape an...

    Description:

    We are looking for a Senior Software Engineer to design, build, and evolve a robust serverless backend infrastructure. You will take ownership of cloud engineering initiatives, ensure system reliability and scalability, and help shape an AI-first development culture. This role involves architecting distributed systems, scalable APIs, and secure payment and subscription integrations, all while maintaining enterprise-grade standards for performance and reliability.

     

    Requirements:

    • 10+ years of professional software development experience.
    • Advanced proficiency in Node.js and Python with a strong grasp of asynchronous programming.
    • Hands-on experience with AWS serverless technologies (Lambda, API Gateway, DynamoDB, S3, SQS, SNS).
    • Strong knowledge of database design and optimization (SQL and NoSQL).
    • Experience implementing CI/CD pipelines and automated testing frameworks.
    • Demonstrated expertise in site reliability engineering (SRE), including monitoring and failover strategies.
    • Excellent analytical and communication skills with the ability to work in distributed teams.
    • Background in SaaS product development and familiarity with SaaS-specific scalability challenges.
    • Experience working within Agile methodologies.
       

    Would be a plus:

    • Familiarity with AWS security and compliance best practices.
    • Experience in real-time analytics or event-driven architectures.
    • Knowledge of C# or additional backend languages.
    • Experience designing microservices architectures.
    • Exposure to high-traffic consumer applications.
    • Understanding of networking and URL routing logic (e.g., link shortening and redirection).
       

    Duties:

    • Architect and build scalable, high-availability backend systems leveraging serverless cloud technologies.
    • Collaborate closely with product, design, and operations teams to deliver seamless user experiences.
    • Lead AI-driven engineering initiatives, ensuring long-term maintainability and scalability.
    • Mentor and guide engineers, promoting a culture of technical excellence.
    • Design, develop, and maintain backend services in Node.js and Python within AWS environments (Lambda, API Gateway, DynamoDB, SQS, SNS, etc.).
    • Collaborate with front-end teams for efficient client-server integration (React.js).
    • Implement best practices in monitoring, logging, and automated alerting.
    • Conduct code reviews, troubleshoot production issues, and drive continuous improvement.
    • Maintain clear and comprehensive technical documentation.
    • Proactively identify architectural enhancements to improve system resilience and performance.
    • Work autonomously with a strong sense of ownership and accountability.

     

    Benefits:

    • A competitive salary and flexible compensation package
    • Flexible working format: remote, office-based, co-working space
    • Professional development tools (mentorship program, tech talks and trainings)
    • Medical insurance
    • Free corporate English classes and speaking clubs with a native speaker
    • Various corporate events
    More
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