DevOps & Platform Modernization

Xebia is a full-service digital consultancy with a deep focus on platform engineering and developer experience. They help organizations build internal developer platforms (IDPs) that scale.

Who They Are: Boutique consultancy founded in 2024 specifically to help companies navigate the Redis → Valkey transition. Team includes former Redis core contributors who joined the Valkey fork project. Best For: Companies prioritizing deep Valkey expertise over broad database consulting. Ideal for complex migrations involving Redis Stack modules or Redis 7.4+ compatibility challenges. Red Flags: Very new firm with limited track record. Capacity constraints may lead to waitlists during peak migration demand (expect 2025 to be busy as Redis 6 EOL approaches Jan 31, 2026).

Thoughtworks pioneered many of the patterns used in modern software development, including the "Strangler Fig" pattern for legacy modernization. They are the premium choice for complex, strategic re-architecting where code quality and domain alignment are paramount.

Techzert specializes in end-to-end API modernization consulting with deep expertise in major API management platforms including Google Apigee, IBM API Connect, and Open Tyk. They focus on enterprises modernizing legacy SOAP systems to REST APIs while implementing robust API gateway infrastructure for security, rate limiting, and analytics.

Slalom focuses on a "strategy-first" approach. They are excellent at aligning the business case for modernization with the technical execution. They have deep partnerships with AWS, Azure, and Google Cloud.

Who They Are: European cloud provider (subsidiary of French telecom giant Iliad Group) offering managed databases including Valkey. Focuses on European data sovereignty and GDPR compliance. Best For: EU-based companies prioritizing European data residency, GDPR compliance, and avoiding US cloud providers. Ideal for startups and SMBs with European customer base. Red Flags: Not suitable for global deployments needing multi-region presence outside Europe. Limited enterprise support compared to AWS/GCP.

Who They Are: The company behind Redis. After changing licenses to RSALv2/SSPL in March 2024, they triggered the Valkey fork. Redis Ltd offers Redis Enterprise with proprietary Stack modules. Best For: Companies heavily dependent on Redis Stack modules (RediSearch, RedisJSON, RedisGraph) who cannot migrate to alternatives and are willing to pay for commercial licensing. Alternative To Valkey: For companies where Redis Stack modules are mission-critical and Valkey alternatives (ElasticSearch, PostgreSQL JSONB, Neo4j) require too much reengineering. Trade licensing costs for avoiding migration complexity. Red Flags: Licensing restrictions (RSALv2/SSPL) may violate if you offer Redis as managed service. High annual costs. Consider if Valkey equivalents will emerge (roadmap includes search, JSON modules).

PLANEKS offers specialized API modernization services with a robust technology stack focused on Python frameworks (Django, FastAPI), GraphQL implementation, and cloud infrastructure. They excel at helping organizations transition from legacy REST APIs to modern GraphQL architectures while implementing enterprise-grade security including OAuth 2.0, JWT, and RBAC.

Nearform specializes in building high-performance digital products and platforms. They are experts in Developer Experience (DevEx) and open-source technologies.

N-iX is a leading Eastern European software engineering firm. They offer high-quality engineering talent for modernization projects, often at a more competitive price point than the major US/UK consultancies. Strong in Cloud and DevOps.

Intellias is a global technology partner to Fortune 500 enterprises and top-tier organizations.

Who They Are: Enterprise managed services provider acquired by NetApp in 2023. Offers fully managed Valkey (and other open-source databases) across AWS, Azure, and GCP without cloud provider lock-in. Best For: Companies wanting managed Valkey without tying to a single cloud provider. Ideal for multi-cloud strategies or avoiding AWS/GCP/Oracle vendor lock-in. Red Flags: Monthly costs can exceed self-managed by 2-3x. Best for teams lacking in-house database operations expertise.

The original creators of the mainframe. IBM Consulting is uniquely positioned to modernize IBM Z workloads using their "watsonx Code Assistant" for Z, which uses generative AI to translate COBOL to Java with high accuracy. Best for those staying in the IBM ecosystem or moving to Hybrid Cloud.

Grid Dynamics specializes in enterprise-level digital transformation, with a heavy focus on Retail and CPG sectors. They excel at modernizing monolithic commerce platforms into microservices-based cloud architectures.

EPAM is known for its high-end software engineering capabilities. They don't just "migrate" code; they re-engineer it into modern, scalable digital products. Their "SAMP" platform accelerates modernization while maintaining high code quality standards.

Endava reimagines the relationship between people and technology. They are known for their agile approach to modernization, helping clients evolve their technology stacks iteratively. Endava focuses on breaking down monoliths and adopting cloud-native architectures to improve speed and scalability.

Contino is a global DevOps and cloud transformation consultancy. They specialize in building enterprise-grade platforms and upskilling internal teams to run them.

Cognizant is ranked #1 in Application Modernization by HFS. Their "Skygrade" platform acts as a force-multiplier, utilizing generative AI and modern tooling to accelerate holistic cloud-native transformations, particularly in banking and healthcare.

AltexSoft is a technology & solution consulting company co-building digital products. They have a deep niche in Travel Tech but serve various industries. Their modernization services focus on re-architecting legacy systems for scalability and performance, often involving complex data migrations and API integrations.

Accenture is a global professional services powerhouse with deep expertise in mainframe modernization. They combine strategic consulting with massive execution scale, leveraging partnerships with all major cloud providers. Their "myNav" platform helps chart the best migration path.